convert from u_int*_t to uint*_t

65 files changed, 441 insertions, 441 deletions

diff --git a/firmware/src/dfu/dfu.c b/firmware/src/dfu/dfu.c
index 9d1ad10..da5635d 100644
--- a/firmware/src/dfu/dfu.c
+++ b/firmware/src/dfu/dfu.c
@@ -72,9 +72,9 @@
 
 static int past_manifest = 0;
 static int switch_to_ram = 0; /* IRQ handler requests main to jump to RAM */
-static u_int16_t usb_if_nr = 0;	/* last SET_INTERFACE */
-static u_int16_t usb_if_alt_nr = 0; /* last SET_INTERFACE AltSetting */
-static u_int16_t usb_if_alt_nr_dnload = 0; /* AltSetting during last dnload */
+static uint16_t usb_if_nr = 0;	/* last SET_INTERFACE */
+static uint16_t usb_if_alt_nr = 0; /* last SET_INTERFACE AltSetting */
+static uint16_t usb_if_alt_nr_dnload = 0; /* AltSetting during last dnload */
 
 static void __dfufunc udp_init(void)
 {
@@ -96,11 +96,11 @@ static void __dfufunc udp_init(void)
 static void __dfufunc udp_ep0_send_zlp(void);
 
 /* Send Data through the control endpoint */
-static void __dfufunc udp_ep0_send_data(const char *pData, u_int32_t length,
-					u_int32_t window_length)
+static void __dfufunc udp_ep0_send_data(const char *pData, uint32_t length,
+					uint32_t window_length)
 {
 	AT91PS_UDP pUdp = AT91C_BASE_UDP;
-	u_int32_t cpt = 0, len_remain;
+	uint32_t cpt = 0, len_remain;
 	AT91_REG csr;
 
 	len_remain = MIN(length, window_length);
@@ -147,12 +147,12 @@ static void __dfufunc udp_ep0_send_data(const char *pData, u_int32_t length,
 }
 
 /* receive data from EP0 */
-static int __dfufunc udp_ep0_recv_data(u_int8_t *data, u_int16_t len)
+static int __dfufunc udp_ep0_recv_data(uint8_t *data, uint16_t len)
 {
 	AT91PS_UDP pUdp = AT91C_BASE_UDP;
 	AT91_REG csr;
-	u_int16_t i, num_rcv;
-	u_int32_t num_rcv_total = 0;
+	uint16_t i, num_rcv;
+	uint32_t num_rcv_total = 0;
 
 	do {
 		/* FIXME: do we need to check whether we've been interrupted
@@ -206,10 +206,10 @@ static void __dfufunc udp_ep0_send_stall(void)
 
 
 static int first_download = 1;
-static u_int8_t *ptr, *ptr_max;
-static __dfudata u_int8_t dfu_status;
-__dfudata u_int32_t dfu_state = DFU_STATE_appIDLE;
-static u_int32_t pagebuf32[AT91C_IFLASH_PAGE_SIZE/4];
+static uint8_t *ptr, *ptr_max;
+static __dfudata uint8_t dfu_status;
+__dfudata uint32_t dfu_state = DFU_STATE_appIDLE;
+static uint32_t pagebuf32[AT91C_IFLASH_PAGE_SIZE/4];
 
 static void chk_first_dnload_set_ptr(void)
 {
@@ -218,25 +218,25 @@ static void chk_first_dnload_set_ptr(void)
 
 	switch (usb_if_alt_nr) {
 	case 0:
-		ptr = (u_int8_t *) AT91C_IFLASH + SAM7DFU_SIZE;
+		ptr = (uint8_t *) AT91C_IFLASH + SAM7DFU_SIZE;
 		ptr_max = AT91C_IFLASH + AT91C_IFLASH_SIZE - ENVIRONMENT_SIZE;
 		break;
 	case 1:
-		ptr = (u_int8_t *) AT91C_IFLASH;
+		ptr = (uint8_t *) AT91C_IFLASH;
 		ptr_max = AT91C_IFLASH + SAM7DFU_SIZE;
 		break;
 	case 2:
-		ptr = (u_int8_t *) AT91C_ISRAM + SAM7DFU_RAM_SIZE;
+		ptr = (uint8_t *) AT91C_ISRAM + SAM7DFU_RAM_SIZE;
 		ptr_max = AT91C_ISRAM + AT91C_ISRAM_SIZE;
 		break;
 	}
 	first_download = 0;
 }
 
-static int __dfufunc handle_dnload_flash(u_int16_t __unused val, u_int16_t len)
+static int __dfufunc handle_dnload_flash(uint16_t __unused val, uint16_t len)
 {
-	volatile u_int32_t *p;
-	u_int8_t *pagebuf = (u_int8_t *) pagebuf32;
+	volatile uint32_t *p;
+	uint8_t *pagebuf = (uint8_t *) pagebuf32;
 	int i;
 
 	DEBUGE("download ");
@@ -257,7 +257,7 @@ static int __dfufunc handle_dnload_flash(u_int16_t __unused val, u_int16_t len)
 		return RET_STALL;
 	}
 	chk_first_dnload_set_ptr();
-	p = (volatile u_int32_t *)ptr;
+	p = (volatile uint32_t *)ptr;
 
 	if (len == 0) {
 		DEBUGP("zero-size write -> MANIFEST_SYNC ");
@@ -293,13 +293,13 @@ static int __dfufunc handle_dnload_flash(u_int16_t __unused val, u_int16_t len)
 			flash_page(p-1);
 		}
 	}
-	ptr = (u_int8_t *) p;
+	ptr = (uint8_t *) p;
 #endif
 
 	return RET_ZLP;
 }
 
-static int __dfufunc handle_dnload_ram(u_int16_t __unused val, u_int16_t len)
+static int __dfufunc handle_dnload_ram(uint16_t __unused val, uint16_t len)
 {
 	DEBUGE("download ");
 
@@ -339,7 +339,7 @@ static int __dfufunc handle_dnload_ram(u_int16_t __unused val, u_int16_t len)
 	return RET_ZLP;
 }
 
-static int __dfufunc handle_dnload(u_int16_t val, u_int16_t len)
+static int __dfufunc handle_dnload(uint16_t val, uint16_t len)
 {
 	usb_if_alt_nr_dnload = usb_if_alt_nr;
 	switch (usb_if_alt_nr) {
@@ -350,8 +350,8 @@ static int __dfufunc handle_dnload(u_int16_t val, u_int16_t len)
 	}
 }
 
-#define AT91C_IFLASH_END ((u_int8_t *)AT91C_IFLASH + AT91C_IFLASH_SIZE)
-static __dfufunc int handle_upload(u_int16_t __unused val, u_int16_t len)
+#define AT91C_IFLASH_END ((uint8_t *)AT91C_IFLASH + AT91C_IFLASH_SIZE)
+static __dfufunc int handle_upload(uint16_t __unused val, uint16_t len)
 {
 	DEBUGE("upload ");
 	if (len > AT91C_IFLASH_PAGE_SIZE) {
@@ -364,7 +364,7 @@ static __dfufunc int handle_upload(u_int16_t __unused val, u_int16_t len)
 	chk_first_dnload_set_ptr();
 
 	if (ptr + len > AT91C_IFLASH_END) {
-		len = AT91C_IFLASH_END - (u_int8_t *)ptr;
+		len = AT91C_IFLASH_END - (uint8_t *)ptr;
 		first_download = 1;
 	}
 
@@ -377,7 +377,7 @@ static __dfufunc int handle_upload(u_int16_t __unused val, u_int16_t len)
 static __dfufunc void handle_getstatus(void)
 {
 	struct dfu_status dstat;
-	u_int32_t fsr = AT91F_MC_EFC_GetStatus(AT91C_BASE_MC);
+	uint32_t fsr = AT91F_MC_EFC_GetStatus(AT91C_BASE_MC);
 
 	DEBUGE("getstatus(fsr=0x%08x) ", fsr);
 
@@ -416,15 +416,15 @@ static __dfufunc void handle_getstatus(void)
 
 static void __dfufunc handle_getstate(void)
 {
-	u_int8_t u8 = dfu_state;
+	uint8_t u8 = dfu_state;
 	DEBUGE("getstate ");
 
 	udp_ep0_send_data((char *)&u8, sizeof(u8), sizeof(u8));
 }
 
 /* callback function for DFU requests */
-int __dfufunc dfu_ep0_handler(u_int8_t __unused req_type, u_int8_t req,
-		    u_int16_t val, u_int16_t len)
+int __dfufunc dfu_ep0_handler(uint8_t __unused req_type, uint8_t req,
+		    uint16_t val, uint16_t len)
 {
 	int rc, ret = RET_NOTHING;
 
@@ -473,11 +473,11 @@ int __dfufunc dfu_ep0_handler(u_int8_t __unused req_type, u_int8_t req,
 				goto out;
 			}
 			dfu_state = DFU_STATE_dfuDNLOAD_SYNC;
-			ptr = (u_int8_t *) AT91C_IFLASH + SAM7DFU_SIZE;
+			ptr = (uint8_t *) AT91C_IFLASH + SAM7DFU_SIZE;
 			ret = handle_dnload(val, len);
 			break;
 		case USB_REQ_DFU_UPLOAD:
-			ptr = (u_int8_t *) AT91C_IFLASH + SAM7DFU_SIZE;
+			ptr = (uint8_t *) AT91C_IFLASH + SAM7DFU_SIZE;
 			dfu_state = DFU_STATE_dfuUPLOAD_IDLE;
 			handle_upload(val, len);
 			break;
@@ -652,7 +652,7 @@ out:
 	return 0;
 }
 
-static u_int8_t cur_config;
+static uint8_t cur_config;
 
 /* USB DFU Device descriptor in DFU mode */
 __dfustruct const struct usb_device_descriptor dfu_dev_descriptor = {
@@ -749,9 +749,9 @@ __dfustruct const struct _dfu_desc dfu_cfg_descriptor = {
 static __dfufunc void dfu_udp_ep0_handler(void)
 {
 	AT91PS_UDP pUDP = AT91C_BASE_UDP;
-	u_int8_t bmRequestType, bRequest;
-	u_int16_t wValue, wIndex, wLength, wStatus;
-	u_int32_t csr = pUDP->UDP_CSR[0];
+	uint8_t bmRequestType, bRequest;
+	uint16_t wValue, wIndex, wLength, wStatus;
+	uint32_t csr = pUDP->UDP_CSR[0];
 
 	DEBUGE("CSR=0x%04x ", csr);
 
@@ -798,7 +798,7 @@ static __dfufunc void dfu_udp_ep0_handler(void)
 	/* Handle supported standard device request Cf Table 9-3 in USB
 	 * speciication Rev 1.1 */
 	switch ((bRequest << 8) | bmRequestType) {
-		u_int8_t desc_type, desc_index;
+		uint8_t desc_type, desc_index;
 	case STD_GET_DESCRIPTOR:
 		DEBUGE("GET_DESCRIPTOR ");
 		desc_type = wValue >> 8;
diff --git a/firmware/src/dfu/dfu.h b/firmware/src/dfu/dfu.h
index 27c63b5..fa07281 100644
--- a/firmware/src/dfu/dfu.h
+++ b/firmware/src/dfu/dfu.h
@@ -124,13 +124,13 @@ struct _dfu_desc {
 
 struct dfuapi {
 	void (*udp_init)(void);
-	void (*ep0_send_data)(const char *data, u_int32_t len, u_int32_t wlen);
+	void (*ep0_send_data)(const char *data, uint32_t len, uint32_t wlen);
 	void (*ep0_send_zlp)(void);
 	void (*ep0_send_stall)(void);
-	int  (*dfu_ep0_handler)(u_int8_t req_type, u_int8_t req,
-				     u_int16_t val, u_int16_t len);
+	int  (*dfu_ep0_handler)(uint8_t req_type, uint8_t req,
+				     uint16_t val, uint16_t len);
 	void (*dfu_switch)(void);
-	u_int32_t *dfu_state;
+	uint32_t *dfu_state;
 	const struct usb_device_descriptor *dfu_dev_descriptor;
 	const struct _dfu_desc *dfu_cfg_descriptor;
 };
diff --git a/firmware/src/os/blinkcode.c b/firmware/src/os/blinkcode.c
index 22d4b25..9e88716 100644
--- a/firmware/src/os/blinkcode.c
+++ b/firmware/src/os/blinkcode.c
@@ -28,7 +28,7 @@ struct blinker {
 	enum blinkcode_state state;
 	int num;
 	int cur;
-	u_int8_t led;
+	uint8_t led;
 };
 
 static struct blinker blink_state[NUM_LEDS];
diff --git a/firmware/src/os/dbgu.c b/firmware/src/os/dbgu.c
index 72eaa88..7f1df44 100644
--- a/firmware/src/os/dbgu.c
+++ b/firmware/src/os/dbgu.c
@@ -78,7 +78,7 @@ static void Send_reset(void)
 //* Object              : C handler interrupt function called by the sysirq
 //*                       demultiplexer
 //*----------------------------------------------------------------------------
-static void DBGU_irq_handler(u_int32_t sr)
+static void DBGU_irq_handler(uint32_t sr)
 {
 	static char value;
 
diff --git a/firmware/src/os/fifo.c b/firmware/src/os/fifo.c
index c30ba10..40aa0d0 100644
--- a/firmware/src/os/fifo.c
+++ b/firmware/src/os/fifo.c
@@ -58,7 +58,7 @@ void fifo_check_raise_int(struct fifo *fifo)
 }
 
 
-u_int16_t fifo_data_put(struct fifo *fifo, u_int16_t len, u_int8_t *data)
+uint16_t fifo_data_put(struct fifo *fifo, uint16_t len, uint8_t *data)
 {
 	if (len > fifo_available(fifo)) {
 		len = fifo_available(fifo);
@@ -71,7 +71,7 @@ u_int16_t fifo_data_put(struct fifo *fifo, u_int16_t len, u_int8_t *data)
 		fifo->producer += len;
 	} else {
 		/* difficult: wrap around */
-		u_int16_t chunk_len;
+		uint16_t chunk_len;
 
 		chunk_len = fifo->size - fifo->producer;
 		memcpy(&fifo->data[fifo->producer], data, chunk_len);
@@ -86,9 +86,9 @@ u_int16_t fifo_data_put(struct fifo *fifo, u_int16_t len, u_int8_t *data)
 }
 
 
-u_int16_t fifo_data_get(struct fifo *fifo, u_int16_t len, u_int8_t *data)
+uint16_t fifo_data_get(struct fifo *fifo, uint16_t len, uint8_t *data)
 {
-	u_int16_t avail = fifo_available(fifo);
+	uint16_t avail = fifo_available(fifo);
 
 	if (avail < len)
 		len = avail;
@@ -98,7 +98,7 @@ u_int16_t fifo_data_get(struct fifo *fifo, u_int16_t len, u_int8_t *data)
 		memcpy(data, &fifo->data[fifo->consumer], len);
 	} else {
 		/* difficult case: wrap */
-		u_int16_t chunk_len = fifo->size - fifo->consumer;
+		uint16_t chunk_len = fifo->size - fifo->consumer;
 		memcpy(data, &fifo->data[fifo->consumer], chunk_len);
 		memcpy(data+chunk_len, &fifo->data[0], len - chunk_len);
 	}
@@ -108,8 +108,8 @@ u_int16_t fifo_data_get(struct fifo *fifo, u_int16_t len, u_int8_t *data)
 	return len;
 }
 
-int fifo_init(struct fifo *fifo, u_int16_t size, 
-	      void (*cb)(struct fifo *fifo, u_int8_t event, void *data), void *cb_data)
+int fifo_init(struct fifo *fifo, uint16_t size, 
+	      void (*cb)(struct fifo *fifo, uint8_t event, void *data), void *cb_data)
 {
 	if (size > sizeof(fifo->data))
 		return -EINVAL;
diff --git a/firmware/src/os/fifo.h b/firmware/src/os/fifo.h
index d91c6c2..0b2f8e7 100644
--- a/firmware/src/os/fifo.h
+++ b/firmware/src/os/fifo.h
@@ -6,23 +6,23 @@
 #define FIFO_SIZE	1024
 
 struct fifo {
-	u_int16_t size;		/* actual FIFO size, can be smaller than 'data' */
-	u_int16_t producer;	/* index of producer */
-	u_int16_t consumer;	/* index of consumer */
-	u_int16_t watermark;
-	u_int8_t irq;
-	u_int8_t irq_en;
-	u_int8_t status;
-	void (*callback)(struct fifo *fifo, u_int8_t event, void *data);
+	uint16_t size;		/* actual FIFO size, can be smaller than 'data' */
+	uint16_t producer;	/* index of producer */
+	uint16_t consumer;	/* index of consumer */
+	uint16_t watermark;
+	uint8_t irq;
+	uint8_t irq_en;
+	uint8_t status;
+	void (*callback)(struct fifo *fifo, uint8_t event, void *data);
 	void *cb_data;
-	u_int8_t data[FIFO_SIZE];
+	uint8_t data[FIFO_SIZE];
 };
 
 
-extern int fifo_init(struct fifo *fifo, u_int16_t size, 
-		     void (*callback)(struct fifo *fifo, u_int8_t event, void *data), void *cb_data);
-extern u_int16_t fifo_data_get(struct fifo *fifo, u_int16_t len, u_int8_t *data);
-extern u_int16_t fifo_data_put(struct fifo *fifo, u_int16_t len, u_int8_t *data);
+extern int fifo_init(struct fifo *fifo, uint16_t size, 
+		     void (*callback)(struct fifo *fifo, uint8_t event, void *data), void *cb_data);
+extern uint16_t fifo_data_get(struct fifo *fifo, uint16_t len, uint8_t *data);
+extern uint16_t fifo_data_put(struct fifo *fifo, uint16_t len, uint8_t *data);
 extern int fifo_available(struct fifo *fifo);
 
 #endif
diff --git a/firmware/src/os/flash.c b/firmware/src/os/flash.c
index c729ff8..dabc033 100644
--- a/firmware/src/os/flash.c
+++ b/firmware/src/os/flash.c
@@ -13,34 +13,34 @@
 #define EFCS_CMD_CLEAR_NVM_BIT		0xd
 #define EFCS_CMD_SET_SECURITY_BIT	0xf
 
-static u_int16_t page_from_ramaddr(const void *addr)
+static uint16_t page_from_ramaddr(const void *addr)
 {
-	u_int32_t ramaddr = (u_int32_t) addr;
-	ramaddr -= (u_int32_t) AT91C_IFLASH;
+	uint32_t ramaddr = (uint32_t) addr;
+	ramaddr -= (uint32_t) AT91C_IFLASH;
 	return ((ramaddr >> AT91C_IFLASH_PAGE_SHIFT));
 }
 #define PAGES_PER_LOCKREGION	(AT91C_IFLASH_LOCK_REGION_SIZE>>AT91C_IFLASH_PAGE_SHIFT)
 #define IS_FIRST_PAGE_OF_LOCKREGION(x)	((x % PAGES_PER_LOCKREGION) == 0)
 #define LOCKREGION_FROM_PAGE(x)	(x / PAGES_PER_LOCKREGION)
 
-static int is_page_locked(u_int16_t page)
+static int is_page_locked(uint16_t page)
 {
-	u_int16_t lockregion = LOCKREGION_FROM_PAGE(page);
+	uint16_t lockregion = LOCKREGION_FROM_PAGE(page);
 
 	return (AT91C_BASE_MC->MC_FSR & (lockregion << 16));
 }
 
-static void unlock_page(u_int16_t page)
+static void unlock_page(uint16_t page)
 {
 	page &= 0x3ff;
 	AT91F_MC_EFC_PerformCmd(AT91C_BASE_MC, AT91C_MC_FCMD_UNLOCK |
 				AT91C_MC_CORRECT_KEY | (page << 8));
 }
 
-void flash_page(u_int8_t *addr)
+void flash_page(uint8_t *addr)
 {
-	u_int16_t page = page_from_ramaddr(addr) & 0x3ff;
-	u_int32_t fsr = AT91F_MC_EFC_GetStatus(AT91C_BASE_MC);
+	uint16_t page = page_from_ramaddr(addr) & 0x3ff;
+	uint32_t fsr = AT91F_MC_EFC_GetStatus(AT91C_BASE_MC);
 	DEBUGP("flash_page(0x%x=%u) ", addr, page);
 
 	if (is_page_locked(page)) {
diff --git a/firmware/src/os/flash.h b/firmware/src/os/flash.h
index b812714..b31d167 100644
--- a/firmware/src/os/flash.h
+++ b/firmware/src/os/flash.h
@@ -1,5 +1,5 @@
 #ifndef _FLASH_H
 #define _FLASH_H
-extern void flash_page(u_int8_t *addr);
+extern void flash_page(uint8_t *addr);
 extern void flash_init(void);
 #endif
diff --git a/firmware/src/os/pcd_enumerate.c b/firmware/src/os/pcd_enumerate.c
index 403cef9..0daa2c8 100644
--- a/firmware/src/os/pcd_enumerate.c
+++ b/firmware/src/os/pcd_enumerate.c
@@ -94,8 +94,8 @@ static const struct dfuapi *dfu = DFU_API_LOCATION;
 static struct udp_pcd upcd;
 
 struct epstate {
-	u_int32_t state_busy;
-	u_int32_t state_pending;
+	uint32_t state_busy;
+	uint32_t state_pending;
 };
 
 static const struct epstate epstate[] = {
@@ -140,7 +140,7 @@ void udp_unthrottle(void)
 
 int udp_refill_ep(int ep)
 {
-	u_int16_t i;
+	uint16_t i;
 	AT91PS_UDP pUDP = upcd.pUdp;
 	struct req_ctx *rctx;
 	unsigned int start, end;
@@ -231,7 +231,7 @@ int udp_refill_ep(int ep)
 
 static void udp_irq(void)
 {
-	u_int32_t csr;
+	uint32_t csr;
 	AT91PS_UDP pUDP = upcd.pUdp;
 	AT91_REG isr = pUDP->UDP_ISR;
 
@@ -270,8 +270,8 @@ static void udp_irq(void)
 		udp_ep0_handler();
 	}
 	if (isr & AT91C_UDP_EPINT1) {
-		u_int32_t cur_rcv_bank = upcd.cur_rcv_bank;
-		u_int16_t i, pkt_size;
+		uint32_t cur_rcv_bank = upcd.cur_rcv_bank;
+		uint16_t i, pkt_size;
 		struct req_ctx *rctx;
 
 		csr = pUDP->UDP_CSR[1];
@@ -471,9 +471,9 @@ void udp_reset(void)
 static void udp_ep0_handler(void)
 {
 	AT91PS_UDP pUDP = upcd.pUdp;
-	u_int8_t bmRequestType, bRequest;
-	u_int16_t wValue, wIndex, wLength, wStatus;
-	u_int32_t csr = pUDP->UDP_CSR[0];
+	uint8_t bmRequestType, bRequest;
+	uint16_t wValue, wIndex, wLength, wStatus;
+	uint32_t csr = pUDP->UDP_CSR[0];
 
 	DEBUGE("CSR=0x%04x ", csr);
 
@@ -521,7 +521,7 @@ static void udp_ep0_handler(void)
 	/* Handle supported standard device request Cf Table 9-3 in USB
 	 * speciication Rev 1.1 */
 	switch ((bRequest << 8) | bmRequestType) {
-		u_int8_t desc_type, desc_index;
+		uint8_t desc_type, desc_index;
 	case STD_GET_DESCRIPTOR:
 		DEBUGE("GET_DESCRIPTOR(wValue=0x%04x, wIndex=0x%04x) ",
 			wValue, wIndex);
diff --git a/firmware/src/os/pio_irq.c b/firmware/src/os/pio_irq.c
index d11bd47..921fdf3 100644
--- a/firmware/src/os/pio_irq.c
+++ b/firmware/src/os/pio_irq.c
@@ -27,17 +27,17 @@
 
 struct pioirq_state {
 	irq_handler_t *handlers[NR_PIO];
-	u_int32_t usbmask;
-	u_int32_t usb_throttled; /* atomic? */
+	uint32_t usbmask;
+	uint32_t usb_throttled; /* atomic? */
 };
 
 static struct pioirq_state pirqs;
 
 /* low-level handler, used by Cstartup_app.S PIOA fast forcing and
  * by regular interrupt handler below */
-void __ramfunc __pio_irq_demux(u_int32_t pio)
+void __ramfunc __pio_irq_demux(uint32_t pio)
 {
-	u_int8_t send_usb = 0;
+	uint8_t send_usb = 0;
 	int i;
 
 	//DEBUGPCRF("PIO_ISR_STATUS = 0x%08x", pio);
@@ -59,15 +59,15 @@ void __ramfunc __pio_irq_demux(u_int32_t pio)
 			pirqs.usb_throttled = 1;
 		} else {
 			struct openpcd_hdr *opcdh;
-			u_int32_t *regmask;
+			uint32_t *regmask;
 			opcdh = (struct openpcd_hdr *) irq_rctx->data;
-			regmask = (u_int32_t *) (irq_rctx->data + sizeof(*opcdh));
+			regmask = (uint32_t *) (irq_rctx->data + sizeof(*opcdh));
 			opcdh->cmd = OPENPCD_CMD_PIO_IRQ;
 			opcdh->reg = 0x00;
 			opcdh->flags = 0x00;
 			opcdh->val = 0x00;
 
-			irq_rctx->tot_len = sizeof(*opcdh) + sizeof(u_int32_t);
+			irq_rctx->tot_len = sizeof(*opcdh) + sizeof(uint32_t);
 			req_ctx_set_state(irq_rctx, RCTX_STATE_UDP_EP3_PENDING);
 		}
 	}
@@ -78,23 +78,23 @@ void __ramfunc __pio_irq_demux(u_int32_t pio)
 /* regular interrupt handler, in case fast forcing for PIOA disabled */
 static void pio_irq_demux(void)
 {
-	u_int32_t pio = AT91F_PIO_GetInterruptStatus(AT91C_BASE_PIOA);
+	uint32_t pio = AT91F_PIO_GetInterruptStatus(AT91C_BASE_PIOA);
 	__pio_irq_demux(pio);
 }
 
-void pio_irq_enable(u_int32_t pio)
+void pio_irq_enable(uint32_t pio)
 {
 	AT91F_PIO_InterruptEnable(AT91C_BASE_PIOA, pio);
 }
 
-void pio_irq_disable(u_int32_t pio)
+void pio_irq_disable(uint32_t pio)
 {
 	AT91F_PIO_InterruptDisable(AT91C_BASE_PIOA, pio);
 }
 
-int pio_irq_register(u_int32_t pio, irq_handler_t *handler)
+int pio_irq_register(uint32_t pio, irq_handler_t *handler)
 {
-	u_int8_t num = ffs(pio);
+	uint8_t num = ffs(pio);
 
 	if (num == 0)
 		return -EINVAL;
@@ -111,9 +111,9 @@ int pio_irq_register(u_int32_t pio, irq_handler_t *handler)
 	return 0;
 }
 
-void pio_irq_unregister(u_int32_t pio)
+void pio_irq_unregister(uint32_t pio)
 {
-	u_int8_t num = ffs(pio);
+	uint8_t num = ffs(pio);
 
 	if (num == 0)
 		return;
diff --git a/firmware/src/os/pio_irq.h b/firmware/src/os/pio_irq.h
index 33f4656..b782821 100644
--- a/firmware/src/os/pio_irq.h
+++ b/firmware/src/os/pio_irq.h
@@ -2,12 +2,12 @@
 #define _PIO_IRQ_H
 
 #define NR_PIO 32
-typedef void irq_handler_t(u_int32_t pio);
+typedef void irq_handler_t(uint32_t pio);
 
-extern void pio_irq_enable(u_int32_t pio);
-extern void pio_irq_disable(u_int32_t pio);
-extern int pio_irq_register(u_int32_t pio, irq_handler_t *func);
-extern void pio_irq_unregister(u_int32_t pio);
+extern void pio_irq_enable(uint32_t pio);
+extern void pio_irq_disable(uint32_t pio);
+extern int pio_irq_register(uint32_t pio, irq_handler_t *func);
+extern void pio_irq_unregister(uint32_t pio);
 extern void pio_irq_init(void);
 
 #endif
diff --git a/firmware/src/os/pit.c b/firmware/src/os/pit.c
index 50ec19f..e442265 100644
--- a/firmware/src/os/pit.c
+++ b/firmware/src/os/pit.c
@@ -103,7 +103,7 @@ void timer_add(struct timer_list *tl)
 	local_irq_restore(flags);
 }
 
-static void pit_irq(u_int32_t sr)
+static void pit_irq(uint32_t sr)
 {
 	struct timer_list *tl, *next;
 
@@ -125,21 +125,21 @@ static void pit_irq(u_int32_t sr)
 	}
 }
 
-void pit_mdelay(u_int32_t ms)
+void pit_mdelay(uint32_t ms)
 {
-	u_int32_t end;
+	uint32_t end;
 
 	end = (AT91F_PITGetPIIR(AT91C_BASE_PITC) + ms) % 20;
 
 	while (end < AT91F_PITGetPIIR(AT91C_BASE_PITC)) { }
 }
 
-void mdelay(u_int32_t ms)
+void mdelay(uint32_t ms)
 {
 	return pit_mdelay(ms);
 }
 
-void usleep(u_int32_t us)
+void usleep(uint32_t us)
 {
 	return;
 	return pit_mdelay(us/1000);
diff --git a/firmware/src/os/pit.h b/firmware/src/os/pit.h
index 4a25cc1..4ac717e 100644
--- a/firmware/src/os/pit.h
+++ b/firmware/src/os/pit.h
@@ -20,6 +20,6 @@ extern void timer_add(struct timer_list *timer);
 extern int timer_del(struct timer_list *timer);
 
 extern void pit_init(void);
-extern void pit_mdelay(u_int32_t ms);
+extern void pit_mdelay(uint32_t ms);
 
 #endif
diff --git a/firmware/src/os/pwm.c b/firmware/src/os/pwm.c
index 70858bb..14b9b6c 100644
--- a/firmware/src/os/pwm.c
+++ b/firmware/src/os/pwm.c
@@ -42,7 +42,7 @@
 static AT91PS_PWMC pwm = AT91C_BASE_PWMC;
 
 /* find highest bit set. returns bit (32..1) or 0 in case no bit set  */
-static int fhs(u_int32_t val)
+static int fhs(uint32_t val)
 {
 	int i;
 
@@ -55,16 +55,16 @@ static int fhs(u_int32_t val)
 }
 
 /* set frequency of PWM signal to freq */
-int pwm_freq_set(int channel, u_int32_t freq)
+int pwm_freq_set(int channel, uint32_t freq)
 {
 	/* in order to get maximum resolution, the pre-scaler must be set to
 	 * something like freq << 16.  However, the mimimum pre-scaled frequency
 	 * we can get is MCLK (48MHz), the minimum is MCLK/(1024*255) =
 	 * 48MHz/261120 = 183Hz */
-	u_int32_t overall_div;
-	u_int32_t presc_total;
-	u_int8_t cpre = 0;
-	u_int16_t cprd;
+	uint32_t overall_div;
+	uint32_t presc_total;
+	uint8_t cpre = 0;
+	uint16_t cprd;
 
 	if (freq > MCLK)
 		return -ERANGE;
@@ -104,9 +104,9 @@ void pwm_stop(int channel)
 	AT91F_PWMC_StopChannel(AT91C_BASE_PWMC, (1 << channel));
 }
 
-void pwm_duty_set_percent(int channel, u_int16_t duty)
+void pwm_duty_set_percent(int channel, uint16_t duty)
 {
-	u_int32_t tmp = pwm->PWMC_CH[channel].PWMC_CPRDR & 0xffff;
+	uint32_t tmp = pwm->PWMC_CH[channel].PWMC_CPRDR & 0xffff;
 	
 	tmp = tmp << 16;	/* extend value by 2^16 */
 	tmp = tmp / 100;	/* tmp = 1 % of extended cprd */
@@ -120,7 +120,7 @@ void pwm_duty_set_percent(int channel, u_int16_t duty)
 static int pwm_usb_in(struct req_ctx *rctx)
 {
 	struct openpcd_hdr *poh = (struct openpcd_hdr *) rctx->data;
-	u_int32_t *freq;
+	uint32_t *freq;
 
 	switch (poh->cmd) {
 	case OPENPCD_CMD_PWM_ENABLE:
@@ -138,7 +138,7 @@ static int pwm_usb_in(struct req_ctx *rctx)
 	case OPENPCD_CMD_PWM_FREQ_SET:
 		if (rctx->tot_len < sizeof(*poh)+4)
 			break;
-		freq = (u_int32_t *) ((unsigned char *) poh) + sizeof(*poh);
+		freq = (uint32_t *) ((unsigned char *) poh) + sizeof(*poh);
 		pwm_freq_set(0, *freq);
 		break;
 	case OPENPCD_CMD_PWM_FREQ_GET:
diff --git a/firmware/src/os/pwm.h b/firmware/src/os/pwm.h
index 8836c32..bde34f6 100644
--- a/firmware/src/os/pwm.h
+++ b/firmware/src/os/pwm.h
@@ -1,10 +1,10 @@
 #ifndef _PWM_H
 #define _PWM_H
 
-extern void pwm_freq_set(int channel, u_int32_t freq);
+extern void pwm_freq_set(int channel, uint32_t freq);
 extern void pwm_start(int channel);
 extern void pwm_stop(int channel);
-extern void pwm_duty_set_percent(int channel, u_int16_t duty);
+extern void pwm_duty_set_percent(int channel, uint16_t duty);
 extern void pwm_init(void);
 extern void pwm_fini(void);
 
diff --git a/firmware/src/os/req_ctx.c b/firmware/src/os/req_ctx.c
index 722c099..9aba813 100644
--- a/firmware/src/os/req_ctx.c
+++ b/firmware/src/os/req_ctx.c
@@ -38,8 +38,8 @@
 
 #define NUM_REQ_CTX	(NUM_RCTX_SMALL+NUM_RCTX_LARGE)
 
-static u_int8_t rctx_data[NUM_RCTX_SMALL][RCTX_SIZE_SMALL];
-static u_int8_t rctx_data_large[NUM_RCTX_LARGE][RCTX_SIZE_LARGE];
+static uint8_t rctx_data[NUM_RCTX_SMALL][RCTX_SIZE_SMALL];
+static uint8_t rctx_data_large[NUM_RCTX_LARGE][RCTX_SIZE_LARGE];
 
 static struct req_ctx req_ctx[NUM_REQ_CTX];
 
@@ -79,7 +79,7 @@ struct req_ctx __ramfunc *req_ctx_find_get(int large,
 	return toReturn;
 }
 
-u_int8_t req_ctx_num(struct req_ctx *ctx)
+uint8_t req_ctx_num(struct req_ctx *ctx)
 {
 	return ctx - req_ctx;
 }
diff --git a/firmware/src/os/req_ctx.h b/firmware/src/os/req_ctx.h
index 92c21a7..2b7ca60 100644
--- a/firmware/src/os/req_ctx.h
+++ b/firmware/src/os/req_ctx.h
@@ -13,11 +13,11 @@
 #include <lib_AT91SAM7.h>
 
 struct req_ctx {
-	volatile u_int32_t state;
+	volatile uint32_t state;
 	volatile struct req_ctx *prev, *next;
-	u_int16_t size;
-	u_int16_t tot_len;
-	u_int8_t *data;
+	uint16_t size;
+	uint16_t tot_len;
+	uint8_t *data;
 };
 
 #define RCTX_STATE_FREE                 0
@@ -45,7 +45,7 @@ extern struct req_ctx __ramfunc *req_ctx_find_get(int large, unsigned long old_s
 extern struct req_ctx *req_ctx_find_busy(void);
 extern void req_ctx_set_state(struct req_ctx *ctx, unsigned long new_state);
 extern void req_ctx_put(struct req_ctx *ctx);
-extern u_int8_t req_ctx_num(struct req_ctx *ctx);
+extern uint8_t req_ctx_num(struct req_ctx *ctx);
 unsigned int req_ctx_count(unsigned long state);
 
 #endif /* _REQ_CTX_H */
diff --git a/firmware/src/os/system_irq.c b/firmware/src/os/system_irq.c
index 4c1da31..5f76ea8 100644
--- a/firmware/src/os/system_irq.c
+++ b/firmware/src/os/system_irq.c
@@ -31,9 +31,9 @@
 
 static sysirq_hdlr *sysirq_hdlrs[AT91SAM7_SYSIRQ_COUNT];
 
-void sys_irq(u_int32_t previous_pc)
+void sys_irq(uint32_t previous_pc)
 {
-	u_int32_t sr;
+	uint32_t sr;
 
 	/* Somehow Atmel decided to do really stupid interrupt sharing
 	 * for commonly-used interrupts such as the timer irq */
diff --git a/firmware/src/os/system_irq.h b/firmware/src/os/system_irq.h
index 195b7b9..150c378 100644
--- a/firmware/src/os/system_irq.h
+++ b/firmware/src/os/system_irq.h
@@ -14,7 +14,7 @@ enum sysirqs {
 	AT91SAM7_SYSIRQ_COUNT
 };
 
-typedef void sysirq_hdlr(u_int32_t sr);
+typedef void sysirq_hdlr(uint32_t sr);
 
 extern void sysirq_register(enum sysirqs irq, sysirq_hdlr *hdlr);
 extern void sysirq_init(void);
diff --git a/firmware/src/os/tc_cdiv.c b/firmware/src/os/tc_cdiv.c
index 6f06ba5..bc9d5dd 100644
--- a/firmware/src/os/tc_cdiv.c
+++ b/firmware/src/os/tc_cdiv.c
@@ -31,7 +31,7 @@
 static AT91PS_TCB tcb = AT91C_BASE_TCB;
 
 /* set carrier divider to a specific */
-void tc_cdiv_set_divider(u_int16_t div)
+void tc_cdiv_set_divider(uint16_t div)
 {
 	tcb->TCB_TC0.TC_RC = div;
 
diff --git a/firmware/src/os/tc_cdiv.h b/firmware/src/os/tc_cdiv.h
index 4f2bc02..86882fb 100644
--- a/firmware/src/os/tc_cdiv.h
+++ b/firmware/src/os/tc_cdiv.h
@@ -7,7 +7,7 @@
 static AT91PS_TCB tcb;
 
 extern void tc_cdiv_phase_add(int16_t inc);
-extern void tc_cdiv_set_divider(u_int16_t div);
+extern void tc_cdiv_set_divider(uint16_t div);
 
 static inline void tc_cdiv_phase_inc(void)
 {
diff --git a/firmware/src/os/usb_handler.c b/firmware/src/os/usb_handler.c
index 029891a..52abd64 100644
--- a/firmware/src/os/usb_handler.c
+++ b/firmware/src/os/usb_handler.c
@@ -33,13 +33,13 @@
 
 static usb_cmd_fn *cmd_hdlrs[16];
 
-int usb_hdlr_register(usb_cmd_fn *hdlr, u_int8_t class)
+int usb_hdlr_register(usb_cmd_fn *hdlr, uint8_t class)
 {
 	cmd_hdlrs[class] = hdlr;
 	return 0;
 }
 
-void usb_hdlr_unregister(u_int8_t class)
+void usb_hdlr_unregister(uint8_t class)
 {
 	cmd_hdlrs[class] = NULL;
 }
diff --git a/firmware/src/os/usb_handler.h b/firmware/src/os/usb_handler.h
index 9d5ad48..52814fd 100644
--- a/firmware/src/os/usb_handler.h
+++ b/firmware/src/os/usb_handler.h
@@ -18,8 +18,8 @@ enum usbapi_err {
 
 typedef int usb_cmd_fn(struct req_ctx *rctx);
 
-extern int usb_hdlr_register(usb_cmd_fn *hdlr, u_int8_t class);
-extern void usb_hdlr_unregister(u_int8_t class);
+extern int usb_hdlr_register(usb_cmd_fn *hdlr, uint8_t class);
+extern void usb_hdlr_unregister(uint8_t class);
 
 extern void usb_in_process(void);
 extern void usb_out_process(void);
diff --git a/firmware/src/os/usbcmd_generic.c b/firmware/src/os/usbcmd_generic.c
index aff13eb..c76bcc1 100644
--- a/firmware/src/os/usbcmd_generic.c
+++ b/firmware/src/os/usbcmd_generic.c
@@ -18,14 +18,14 @@
 
 #define OPENPCD_API_VERSION (0x01)
 #define CONFIG_AREA_ADDR ((void*)(AT91C_IFLASH + AT91C_IFLASH_SIZE - ENVIRONMENT_SIZE))
-#define CONFIG_AREA_WORDS ( AT91C_IFLASH_PAGE_SIZE/sizeof(u_int32_t) )
+#define CONFIG_AREA_WORDS ( AT91C_IFLASH_PAGE_SIZE/sizeof(uint32_t) )
 
-volatile u_int32_t config_stack[ CONFIG_AREA_WORDS ];
+volatile uint32_t config_stack[ CONFIG_AREA_WORDS ];
 
 static int gen_setenv(const void* buffer,int len)
 {
     volatile unsigned int i;
-    u_int32_t *dst;
+    uint32_t *dst;
 
     if( len >= sizeof(config_stack) )
 	len=sizeof(config_stack);
@@ -35,7 +35,7 @@ static int gen_setenv(const void* buffer,int len)
     /* retrieve current content to allow partial flashing */    
     
     /* flash changes */
-    dst=(u_int32_t*)CONFIG_AREA_ADDR;
+    dst=(uint32_t*)CONFIG_AREA_ADDR;
     for(i=0;i<CONFIG_AREA_WORDS;i++)
 	*dst++=config_stack[i];
 
@@ -59,7 +59,7 @@ static int gen_usb_rx(struct req_ctx *rctx)
 	struct openpcd_hdr *poh = (struct openpcd_hdr *) rctx->data;
 	struct openpcd_compile_version *ver =
 	    (struct openpcd_compile_version *)poh->data; 
-	u_int32_t len = rctx->tot_len-sizeof(*poh);
+	uint32_t len = rctx->tot_len-sizeof(*poh);
 
         /* initialize transmit length to header length */
         rctx->tot_len = sizeof(*poh);
@@ -107,7 +107,7 @@ static int gen_usb_rx(struct req_ctx *rctx)
 		poh->flags |= OPENPCD_FLAG_RESPOND;
 #ifdef PCD
 		rctx->tot_len += 4;
-		if (rc632_get_serial(NULL, (u_int32_t *)poh->data) < 0) {
+		if (rc632_get_serial(NULL, (uint32_t *)poh->data) < 0) {
 			DEBUGP("ERROR) ");
 			return USB_ERR(USB_ERR_CMD_NOT_IMPL);
 		}
diff --git a/firmware/src/os/usbcmd_generic.h b/firmware/src/os/usbcmd_generic.h
index 4dd0456..61fbd36 100644
--- a/firmware/src/os/usbcmd_generic.h
+++ b/firmware/src/os/usbcmd_generic.h
@@ -1,6 +1,6 @@
 #ifndef _USBAPI_GENERIC_H
 #define _USBAPI_GENERIC_H
 extern void usbcmd_gen_init(void);
-extern int gen_setenv(void* data,u_int32_t pos,u_int32_t length);
-extern int gen_getenv(void* data,u_int32_t pos,u_int32_t length);
+extern int gen_setenv(void* data,uint32_t pos,uint32_t length);
+extern int gen_getenv(void* data,uint32_t pos,uint32_t length);
 #endif
diff --git a/firmware/src/os/wdt.c b/firmware/src/os/wdt.c
index d5c19a3..6e5248e 100644
--- a/firmware/src/os/wdt.c
+++ b/firmware/src/os/wdt.c
@@ -30,7 +30,7 @@
 #undef  WDT_DEBUG
 #endif/*WDT_DEBUG*/
 
-static void wdt_irq(u_int32_t sr)
+static void wdt_irq(uint32_t sr)
 {
 	if (sr & 1)
 		AT91F_DBGU_Frame("================> WATCHDOG EXPIRED !!!!!\n\r");
diff --git a/firmware/src/pcd.h b/firmware/src/pcd.h
index 77c99b2..0a5585f 100644
--- a/firmware/src/pcd.h
+++ b/firmware/src/pcd.h
@@ -7,9 +7,9 @@
 #include <sys/types.h>
 
 struct opcd_cmd_hdr {
-	u_int8_t cmd;
-	u_int8_t arg1;
-	u_int16_t arg2;
+	uint8_t cmd;
+	uint8_t arg1;
+	uint16_t arg2;
 } __attribute__ ((packed));
 
 enum opcd_cmd {
@@ -28,8 +28,8 @@ enum opcd_cmd {
 };
 
 struct opcd_status_hdr {
-	u_int8_t cause,		/* interrupt cause register RC632 */
-	u_int8_t prim_status,	/* primary status register RC632 */ 
+	uint8_t cause,		/* interrupt cause register RC632 */
+	uint8_t prim_status,	/* primary status register RC632 */ 
 } __attribute__ ((packed));
 
 #endif /* _OPENPCD_H */
diff --git a/firmware/src/pcd/main_librfid.c b/firmware/src/pcd/main_librfid.c
index a5a488d..a04c446 100644
--- a/firmware/src/pcd/main_librfid.c
+++ b/firmware/src/pcd/main_librfid.c
@@ -59,30 +59,30 @@ int _main_dbgu(char key)
 }
 
 struct openpcd_l2_connectinfo {
-	u_int32_t proto_supported;	
+	uint32_t proto_supported;	
 
-	u_int8_t speed_rx;
-	u_int8_t speed_tx;
+	uint8_t speed_rx;
+	uint8_t speed_tx;
 
-	u_int8_t uid_len;
-	u_int8_t uid[10];
+	uint8_t uid_len;
+	uint8_t uid[10];
 } __attribute__ ((packed));
 
 struct openpcd_proto_connectinfo {
 } __attribute__ ((packed));
 
 struct openpcd_proto_tcl_connectinfo {
-	u_int8_t fsc;
-	u_int8_t fsd;
-	u_int8_t ta;
-	u_int8_t sfgt;
+	uint8_t fsc;
+	uint8_t fsd;
+	uint8_t ta;
+	uint8_t sfgt;
 
-	u_int8_t flags;
-	u_int8_t cid;
-	u_int8_t nad;
+	uint8_t flags;
+	uint8_t cid;
+	uint8_t nad;
 
-	u_int8_t ats_tot_len;
-	u_int8_t ats_snippet[0];
+	uint8_t ats_tot_len;
+	uint8_t ats_snippet[0];
 } __attribute__ ((packed));
 
 static int init_proto(void)
diff --git a/firmware/src/pcd/main_mifare.c b/firmware/src/pcd/main_mifare.c
index 43729a5..8dd6420 100644
--- a/firmware/src/pcd/main_mifare.c
+++ b/firmware/src/pcd/main_mifare.c
@@ -40,7 +40,7 @@ static struct rfid_reader_handle *rh;
 static struct rfid_layer2_handle *l2h;
 static struct rfid_protocol_handle *ph;
 
-static u_int8_t sector = 0;
+static uint8_t sector = 0;
 
 void _init_func(void)
 {
@@ -74,30 +74,30 @@ int _main_dbgu(char key)
 }
 
 struct openpcd_l2_connectinfo {
-	u_int32_t proto_supported;	
+	uint32_t proto_supported;	
 
-	u_int8_t speed_rx;
-	u_int8_t speed_tx;
+	uint8_t speed_rx;
+	uint8_t speed_tx;
 
-	u_int8_t uid_len;
-	u_int8_t uid[10];
+	uint8_t uid_len;
+	uint8_t uid[10];
 } __attribute__ ((packed));
 
 struct openpcd_proto_connectinfo {
 } __attribute__ ((packed));
 
 struct openpcd_proto_tcl_connectinfo {
-	u_int8_t fsc;
-	u_int8_t fsd;
-	u_int8_t ta;
-	u_int8_t sfgt;
+	uint8_t fsc;
+	uint8_t fsd;
+	uint8_t ta;
+	uint8_t sfgt;
 
-	u_int8_t flags;
-	u_int8_t cid;
-	u_int8_t nad;
+	uint8_t flags;
+	uint8_t cid;
+	uint8_t nad;
 
-	u_int8_t ats_tot_len;
-	u_int8_t ats_snippet[0];
+	uint8_t ats_tot_len;
+	uint8_t ats_snippet[0];
 } __attribute__ ((packed));
 
 /* mifare classic helper */
diff --git a/firmware/src/pcd/main_presence.c b/firmware/src/pcd/main_presence.c
index 4ead264..cca2cac 100644
--- a/firmware/src/pcd/main_presence.c
+++ b/firmware/src/pcd/main_presence.c
@@ -37,7 +37,7 @@
 
 #define RAH NULL
 
-u_int32_t delay_scan,delay_blink,last_uid,last_polled_uid;
+uint32_t delay_scan,delay_blink,last_uid,last_polled_uid;
 static struct rfid_reader_handle *rh;
 static struct rfid_layer2_handle *l2h;
 
@@ -54,10 +54,10 @@ static int usb_presence_rx(struct req_ctx *rctx)
 		if(last_polled_uid)
 		{
             	    rctx->tot_len += 4;
-		    poh->data[0]=(u_int8_t)(last_polled_uid>>24);
-		    poh->data[1]=(u_int8_t)(last_polled_uid>>16);
-		    poh->data[2]=(u_int8_t)(last_polled_uid>> 8);
-		    poh->data[3]=(u_int8_t)(last_polled_uid    );
+		    poh->data[0]=(uint8_t)(last_polled_uid>>24);
+		    poh->data[1]=(uint8_t)(last_polled_uid>>16);
+		    poh->data[2]=(uint8_t)(last_polled_uid>> 8);
+		    poh->data[3]=(uint8_t)(last_polled_uid    );
 		    last_polled_uid=0;
 		}
                 break;
@@ -124,16 +124,16 @@ int _main_dbgu(char key)
 
 void _main_func(void)
 {
-	u_int32_t uid;
+	uint32_t uid;
 	int status;
 	
 	status = rfid_layer2_open(l2h);
         if (status >= 0  && l2h->uid_len==4)
 	{
-	    uid=((u_int32_t)l2h->uid[0])    |
-		((u_int32_t)l2h->uid[1])<< 8|
-		((u_int32_t)l2h->uid[2])<<16|
-		((u_int32_t)l2h->uid[3])<<24;
+	    uid=((uint32_t)l2h->uid[0])    |
+		((uint32_t)l2h->uid[1])<< 8|
+		((uint32_t)l2h->uid[2])<<16|
+		((uint32_t)l2h->uid[3])<<24;
 			
 	    delay_scan=100;
 		
diff --git a/firmware/src/pcd/main_pwm.c b/firmware/src/pcd/main_pwm.c
index 50fd363..271daaf 100644
--- a/firmware/src/pcd/main_pwm.c
+++ b/firmware/src/pcd/main_pwm.c
@@ -39,14 +39,14 @@
 
 #define RAH NULL
 
-static u_int8_t force_100ask = 1;
-static u_int8_t mod_conductance = 0x3f;
-static u_int8_t cw_conductance = 0x3f;
-static u_int16_t duty_percent = 22;
+static uint8_t force_100ask = 1;
+static uint8_t mod_conductance = 0x3f;
+static uint8_t cw_conductance = 0x3f;
+static uint16_t duty_percent = 22;
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-static u_int32_t pwm_freq[] = { 105937, 211875, 423750, 847500 };
-static u_int8_t pwm_freq_idx = 0;
+static uint32_t pwm_freq[] = { 105937, 211875, 423750, 847500 };
+static uint8_t pwm_freq_idx = 0;
 
 static void rc632_modulate_mfin()
 {
@@ -61,11 +61,11 @@ static void rc632_modulate_mfin()
 #define COND_MANT(x)	(x & 0x0f)
 #define COND_EXP(x)	((x & 0x30) >> 4)
 
-static const u_int16_t rsrel_expfact[] = { 1000, 1925, 3706, 7133 };
+static const uint16_t rsrel_expfact[] = { 1000, 1925, 3706, 7133 };
 
-static u_int32_t calc_conduct_rel(u_int8_t inp)
+static uint32_t calc_conduct_rel(uint8_t inp)
 {
-	u_int32_t cond_rel;
+	uint32_t cond_rel;
 
 	cond_rel = COND_MANT(inp) * rsrel_expfact[COND_EXP(inp)];
 	cond_rel = cond_rel / 1000;
@@ -73,14 +73,14 @@ static u_int32_t calc_conduct_rel(u_int8_t inp)
 	return cond_rel;
 }
 
-static const u_int8_t rsrel_table[] = {
+static const uint8_t rsrel_table[] = {
 	0, 16, 32, 48, 1, 17, 2, 3, 33, 18, 4, 5, 19, 6, 7, 49, 34, 20,
 	8, 9, 21, 10, 11, 35, 22, 12, 13, 23, 14, 50, 36, 15, 24, 25,
 	37, 26, 27, 51, 38, 28, 29, 39, 30, 52, 31, 40, 41, 53, 42, 43,
 	54, 44, 45, 55, 46, 47, 56, 57, 58, 59, 60, 61, 62, 63 };
 
 
-static const u_int16_t cdivs[] = { 128, 64, 32, 16 };
+static const uint16_t cdivs[] = { 128, 64, 32, 16 };
 static int cdiv_idx = 0;
 
 static void help(void)
diff --git a/firmware/src/pcd/main_reqa.c b/firmware/src/pcd/main_reqa.c
index 717926a..ae4b4a1 100644
--- a/firmware/src/pcd/main_reqa.c
+++ b/firmware/src/pcd/main_reqa.c
@@ -83,25 +83,25 @@ static const char frame_14443a[] = {
 	0x00, 0xff, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66,
 };
 
-static void reg_inc(u_int8_t reg)
+static void reg_inc(uint8_t reg)
 {
-	u_int8_t val;
+	uint8_t val;
 	opcd_rc632_reg_read(RAH, reg, &val);
 	opcd_rc632_reg_write(RAH, reg, val++);
 	DEBUGPCRF("reg 0x%02x = 0x%02x", reg, val);
 }
 
-static void reg_dec(u_int8_t reg)
+static void reg_dec(uint8_t reg)
 {
-	u_int8_t val;
+	uint8_t val;
 	opcd_rc632_reg_read(RAH, reg, &val);
 	opcd_rc632_reg_write(RAH, reg, val--);
 	DEBUGPCRF("reg 0x%02x = 0x%02x", reg, val);
 }
 
-static u_int8_t ana_out_sel;
-static u_int8_t mfout_sel;
-static u_int8_t speed_idx;
+static uint8_t ana_out_sel;
+static uint8_t mfout_sel;
+static uint8_t speed_idx;
 
 static void help(void)
 {
@@ -114,7 +114,7 @@ static void help(void)
 		 "{: dev cdiv     }: inc cdiv");
 }
 
-static u_int16_t cdivs[] = { 128, 64, 32, 16 };
+static uint16_t cdivs[] = { 128, 64, 32, 16 };
 
 int _main_dbgu(char key)
 {
diff --git a/firmware/src/pcd/rc632.c b/firmware/src/pcd/rc632.c
index 731574c..41fee19 100644
--- a/firmware/src/pcd/rc632.c
+++ b/firmware/src/pcd/rc632.c
@@ -72,7 +72,7 @@ static const AT91PS_SPI pSPI = AT91C_BASE_SPI;
 /* SPI irq handler */
 static void spi_irq(void)
 {
-	u_int32_t status = pSPI->SPI_SR;
+	uint32_t status = pSPI->SPI_SR;
 
 	DEBUGPSPIIRQ("spi_irq: 0x%08x ", status);
 
@@ -95,8 +95,8 @@ static void spi_irq(void)
 }
 
 #ifdef SPI_USES_DMA
-static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len, 
-			  u_int8_t *rx_data, u_int16_t *rx_len)
+static int spi_transceive(const uint8_t *tx_data, uint16_t tx_len, 
+			  uint8_t *rx_data, uint16_t *rx_len)
 {
 	DEBUGPSPI("DMA Xfer tx=%s\r\n", hexdump(tx_data, tx_len));
 	if (*rx_len < tx_len) {
@@ -129,12 +129,12 @@ static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len,
 }
 #else
 /* stupid polling transceiver routine */
-static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len, 
-		   u_int8_t *rx_data, u_int16_t *rx_len)
+static int spi_transceive(const uint8_t *tx_data, uint16_t tx_len, 
+		   uint8_t *rx_data, uint16_t *rx_len)
 {
-	u_int16_t tx_cur = 0;
-	u_int16_t rx_len_max = 0;
-	u_int16_t rx_cnt = 0;
+	uint16_t tx_cur = 0;
+	uint16_t rx_len_max = 0;
+	uint16_t rx_cnt = 0;
 
 	/* disable RC632 interrupt because it wants to do SPI transactions */
 	AT91F_AIC_DisableIt(AT91C_BASE_AIC, OPENPCD_IRQ_RC632);
@@ -148,8 +148,8 @@ static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len,
 
 	//AT91F_SPI_Enable(pSPI);
 	while (1) { 
-		u_int32_t sr = pSPI->SPI_SR;
-		u_int8_t tmp;
+		uint32_t sr = pSPI->SPI_SR;
+		uint8_t tmp;
 		if (sr & AT91C_SPI_RDRF) {
 			tmp = pSPI->SPI_RDR;
 			rx_cnt++;
@@ -181,8 +181,8 @@ static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len,
 /* static buffers used by RC632 access primitives below. 
  * Since we only have one */
 
-static u_int8_t spi_outbuf[SPI_MAX_XFER_LEN];
-static u_int8_t spi_inbuf[SPI_MAX_XFER_LEN];
+static uint8_t spi_outbuf[SPI_MAX_XFER_LEN];
+static uint8_t spi_inbuf[SPI_MAX_XFER_LEN];
 
 #define FIFO_ADDR (RC632_REG_FIFO_DATA << 1)
 
@@ -191,9 +191,9 @@ static u_int8_t spi_inbuf[SPI_MAX_XFER_LEN];
 /* RC632 access primitives */
 
 int opcd_rc632_reg_write(struct rfid_asic_handle *hdl,
-			 u_int8_t addr, u_int8_t data)
+			 uint8_t addr, uint8_t data)
 {
-	u_int16_t rx_len = 2;
+	uint16_t rx_len = 2;
 
 	DEBUG632("[0x%02x] <= 0x%02x", addr, data);
 
@@ -208,13 +208,13 @@ int opcd_rc632_reg_write(struct rfid_asic_handle *hdl,
 #define RC632_REGSET_START	0x10
 #define RC632_REGSET_END	0x3f
 #define RC632_REGSET_MAXSIZE	(RC632_REGSET_END-RC632_REGSET_START)
-static u_int8_t regset_buf[RC632_REGSET_MAXSIZE * 2];
+static uint8_t regset_buf[RC632_REGSET_MAXSIZE * 2];
 
 int opcd_rc632_reg_write_set(struct rfid_asic_handle *hdl,
-			     u_int8_t *regs, int len)
+			     uint8_t *regs, int len)
 {
-	u_int8_t i, j = 0;
-	u_int16_t rx_len;
+	uint8_t i, j = 0;
+	uint16_t rx_len;
 
 	if (len > RC632_REGSET_MAXSIZE)
 		return -E2BIG;
@@ -232,9 +232,9 @@ int opcd_rc632_reg_write_set(struct rfid_asic_handle *hdl,
 }
 
 int opcd_rc632_fifo_write(struct rfid_asic_handle *hdl,
-			  u_int8_t len, u_int8_t *data, u_int8_t flags)
+			  uint8_t len, uint8_t *data, uint8_t flags)
 {
-	u_int16_t rx_len = sizeof(spi_inbuf);
+	uint16_t rx_len = sizeof(spi_inbuf);
 	if (len > sizeof(spi_outbuf)-1)
 		len = sizeof(spi_outbuf)-1;
 
@@ -247,9 +247,9 @@ int opcd_rc632_fifo_write(struct rfid_asic_handle *hdl,
 }
 
 int opcd_rc632_reg_read(struct rfid_asic_handle *hdl, 
-			u_int8_t addr, u_int8_t *val)
+			uint8_t addr, uint8_t *val)
 {
-	u_int16_t rx_len = 2;
+	uint16_t rx_len = 2;
 
 	addr = (addr << 1) & 0x7e;
 
@@ -265,12 +265,12 @@ int opcd_rc632_reg_read(struct rfid_asic_handle *hdl,
 }
 
 int opcd_rc632_fifo_read(struct rfid_asic_handle *hdl,
-			 u_int8_t max_len, u_int8_t *data)
+			 uint8_t max_len, uint8_t *data)
 {
 	int ret;
-	u_int8_t fifo_length;
-	u_int8_t i;
-	u_int16_t rx_len;
+	uint8_t fifo_length;
+	uint8_t i;
+	uint16_t rx_len;
 
  	ret = opcd_rc632_reg_read(hdl, RC632_REG_FIFO_LENGTH, &fifo_length);
 	if (ret < 0)
@@ -296,9 +296,9 @@ int opcd_rc632_fifo_read(struct rfid_asic_handle *hdl,
 }
 
 int opcd_rc632_set_bits(struct rfid_asic_handle *hdl,
-		   u_int8_t reg, u_int8_t bits)
+		   uint8_t reg, uint8_t bits)
 {
-	u_int8_t val;
+	uint8_t val;
 	int ret;
 	
 	ret = opcd_rc632_reg_read(hdl, reg, &val);
@@ -311,9 +311,9 @@ int opcd_rc632_set_bits(struct rfid_asic_handle *hdl,
 }
 
 int opcd_rc632_clear_bits(struct rfid_asic_handle *hdl,
-		     u_int8_t reg, u_int8_t bits)
+		     uint8_t reg, uint8_t bits)
 {
-	u_int8_t val;
+	uint8_t val;
 	int ret;
 	
 	ret = opcd_rc632_reg_read(hdl, reg, &val);
@@ -331,7 +331,7 @@ static void rc632_irq(void)
 {
 	struct req_ctx *irq_rctx;
 	struct openpcd_hdr *irq_opcdh;
-	u_int8_t cause;
+	uint8_t cause;
 
 	/* CL RC632 has interrupted us */
 	opcd_rc632_reg_read(NULL, RC632_REG_INTERRUPT_RQ, &cause);
@@ -392,7 +392,7 @@ void rc632_unthrottle(void)
 	AT91F_AIC_EnableIt(AT91C_BASE_AIC, OPENPCD_IRQ_RC632);
 }
 
-void rc632_power(u_int8_t up)
+void rc632_power(uint8_t up)
 {
         DEBUGPCRF("powering %s RC632", up ? "up" : "down");
 	if (up)
@@ -414,7 +414,7 @@ void rc632_reset(void)
 
 	/* wait for startup phase to finish */
 	while (1) {
-		u_int8_t val;
+		uint8_t val;
 		opcd_rc632_reg_read(NULL, RC632_REG_COMMAND, &val);
 		if (val == 0x00)
 			break;
@@ -427,7 +427,7 @@ void rc632_reset(void)
 static int rc632_usb_in(struct req_ctx *rctx)
 {
 	struct openpcd_hdr *poh = (struct openpcd_hdr *) rctx->data;
-	u_int16_t len = rctx->tot_len-sizeof(*poh);
+	uint16_t len = rctx->tot_len-sizeof(*poh);
 
 	/* initialize transmit length to header length */
 	rctx->tot_len = sizeof(*poh);
@@ -443,7 +443,7 @@ static int rc632_usb_in(struct req_ctx *rctx)
 		/* FIFO read always has to provoke a response */
 		poh->flags &= OPENPCD_FLAG_RESPOND;
 		{
-		u_int16_t req_len = poh->val, remain_len = req_len, pih_len;
+		uint16_t req_len = poh->val, remain_len = req_len, pih_len;
 #if 0
 		if (req_len > MAX_PAYLOAD_LEN) {
 			pih_len = MAX_PAYLOAD_LEN;
@@ -598,9 +598,9 @@ void rc632_exit(void)
 
 #ifdef DEBUG
 static int rc632_reg_write_verify(struct rfid_asic_handle *hdl,
-				  u_int8_t reg, u_int8_t val)
+				  uint8_t reg, uint8_t val)
 {
-	u_int8_t tmp;
+	uint8_t tmp;
 
 	opcd_rc632_reg_write(hdl, reg, val);
 	opcd_rc632_reg_read(hdl, reg, &tmp);
@@ -612,11 +612,11 @@ static int rc632_reg_write_verify(struct rfid_asic_handle *hdl,
 
 int rc632_dump(void)
 {
-	u_int8_t i;
-	u_int16_t rx_len = sizeof(spi_inbuf);
+	uint8_t i;
+	uint16_t rx_len = sizeof(spi_inbuf);
 
 	for (i = 0; i <= 0x3f; i++) {
-		u_int8_t reg = i;
+		uint8_t reg = i;
 		if (reg == RC632_REG_FIFO_DATA)
 			reg = 0x3e;
 			
diff --git a/firmware/src/pcd/rc632.h b/firmware/src/pcd/rc632.h
index 5081f42..d9dfecd 100644
--- a/firmware/src/pcd/rc632.h
+++ b/firmware/src/pcd/rc632.h
@@ -7,17 +7,17 @@
 #include <librfid/rfid_asic.h>
 
 extern int opcd_rc632_reg_write(struct rfid_asic_handle *hdl,
-				u_int8_t addr, u_int8_t data);
+				uint8_t addr, uint8_t data);
 extern int opcd_rc632_fifo_write(struct rfid_asic_handle *hdl,
-				 u_int8_t len, u_int8_t *data, u_int8_t flags);
+				 uint8_t len, uint8_t *data, uint8_t flags);
 extern int opcd_rc632_reg_read(struct rfid_asic_handle *hdl,
-			       u_int8_t addr, u_int8_t *val);
+			       uint8_t addr, uint8_t *val);
 extern int opcd_rc632_fifo_read(struct rfid_asic_handle *hdl,
-				u_int8_t max_len, u_int8_t *data);
+				uint8_t max_len, uint8_t *data);
 extern int opcd_rc632_clear_bits(struct rfid_asic_handle *hdl,
-				 u_int8_t reg, u_int8_t bits);
+				 uint8_t reg, uint8_t bits);
 extern int opcd_rc632_set_bits(struct rfid_asic_handle *hdl,
-				u_int8_t reg, u_int8_t bits);
+				uint8_t reg, uint8_t bits);
 
 extern void rc632_init(void);
 extern void rc632_exit(void);
@@ -27,6 +27,6 @@ extern void rc632_unthrottle(void);
 extern int rc632_test(struct rfid_asic_handle *hdl);
 extern int rc632_dump(void);
 
-extern void rc632_power(u_int8_t up);
+extern void rc632_power(uint8_t up);
 
 #endif
diff --git a/firmware/src/pcd/rc632_highlevel.c b/firmware/src/pcd/rc632_highlevel.c
index 14a2a2a..af101b7 100644
--- a/firmware/src/pcd/rc632_highlevel.c
+++ b/firmware/src/pcd/rc632_highlevel.c
@@ -49,10 +49,10 @@ struct rfid_asic rc632;
 
 static int 
 rc632_set_bit_mask(struct rfid_asic_handle *handle, 
-		   u_int8_t reg, u_int8_t mask, u_int8_t val)
+		   uint8_t reg, uint8_t mask, uint8_t val)
 {
 	int ret;
-	u_int8_t tmp;
+	uint8_t tmp;
 
 	ret = opcd_rc632_reg_read(handle, reg, &tmp);
 	if (ret < 0)
@@ -98,10 +98,10 @@ rc632_power_down(struct rfid_asic_handle *handle)
 
 int
 rc632_write_eeprom(struct rfid_asic_handle *handle, 
-		   u_int16_t addr, u_int8_t len, u_int8_t *data)
+		   uint16_t addr, uint8_t len, uint8_t *data)
 {
-	u_int8_t sndbuf[MAX_WRITE_LEN + 2];
-	u_int8_t reg;
+	uint8_t sndbuf[MAX_WRITE_LEN + 2];
+	uint8_t reg;
 	int ret;
 
 	if (len > MAX_WRITE_LEN)
@@ -146,11 +146,11 @@ rc632_write_eeprom(struct rfid_asic_handle *handle,
 }
 
 int
-rc632_read_eeprom(struct rfid_asic_handle *handle, u_int16_t addr, u_int8_t len,
-		  u_int8_t *recvbuf)
+rc632_read_eeprom(struct rfid_asic_handle *handle, uint16_t addr, uint8_t len,
+		  uint8_t *recvbuf)
 {
-	u_int8_t sndbuf[3];
-	u_int8_t err;
+	uint8_t sndbuf[3];
+	uint8_t err;
 	int ret;
 
 	sndbuf[0] = (addr & 0xff);
@@ -187,8 +187,8 @@ rc632_read_eeprom(struct rfid_asic_handle *handle, u_int16_t addr, u_int8_t len,
 #define RC632_E2_RS_MAX_P	14
 
 int rc632_get_serial(struct rfid_asic_handle *handle,
-		     u_int32_t *serial)
+		     uint32_t *serial)
 {
 	return rc632_read_eeprom(handle, RC632_E2_PRODUCT_SERIAL, 
-				 4, (u_int8_t *)serial);
+				 4, (uint8_t *)serial);
 }
diff --git a/firmware/src/pcd/rc632_highlevel.h b/firmware/src/pcd/rc632_highlevel.h
index 40e80e0..169f47a 100644
--- a/firmware/src/pcd/rc632_highlevel.h
+++ b/firmware/src/pcd/rc632_highlevel.h
@@ -11,9 +11,9 @@ int
 rc632_turn_off_rf(struct rfid_asic_handle *handle);
 
 int
-rc632_read_eeprom(struct rfid_asic_handle *handle, u_int16_t addr, u_int8_t len,
-		  u_int8_t *recvbuf);
+rc632_read_eeprom(struct rfid_asic_handle *handle, uint16_t addr, uint8_t len,
+		  uint8_t *recvbuf);
 
 int rc632_get_serial(struct rfid_asic_handle *handle,
-		     u_int32_t *serial);
+		     uint32_t *serial);
 #endif /* _RC632_HIGHLEVEL_H */
diff --git a/firmware/src/picc/adc.c b/firmware/src/picc/adc.c
index f350a49..7950cce 100644
--- a/firmware/src/picc/adc.c
+++ b/firmware/src/picc/adc.c
@@ -57,7 +57,7 @@ static struct adc_state adc_state;
 
 static void adc_irq(void)
 {
-	u_int32_t sr = adc->ADC_SR;
+	uint32_t sr = adc->ADC_SR;
 	struct req_ctx *rctx = adc_state.rctx;
 
 	DEBUGADC("adc_irq(SR=0x%08x, IMR=0x%08x, state=%u): ",
@@ -102,12 +102,12 @@ static void adc_irq(void)
 }
 
 #if 0
-u_int16_t adc_read_fieldstr(void)
+uint16_t adc_read_fieldstr(void)
 {
 	return adc->ADC_CDR4;
 }
 
-u_int16_T adc_read_pll_dem(void)
+uint16_T adc_read_pll_dem(void)
 {
 	return adc
 }
diff --git a/firmware/src/picc/da.h b/firmware/src/picc/da.h
index e264e2b..45e9a99 100644
--- a/firmware/src/picc/da.h
+++ b/firmware/src/picc/da.h
@@ -1,7 +1,7 @@
 #ifndef _DA_H
 #define _DA_H
 
-extern void da_comp_carr(u_int8_t position);
+extern void da_comp_carr(uint8_t position);
 extern void da_init(void);
 
 #endif
diff --git a/firmware/src/picc/decoder.c b/firmware/src/picc/decoder.c
index bdd910e..0d2909f 100644
--- a/firmware/src/picc/decoder.c
+++ b/firmware/src/picc/decoder.c
@@ -25,10 +25,10 @@
 
 static struct decoder_algo *decoder_algo[DECODER_NUM_ALGOS];
 
-static int get_next_data(struct decoder_state *st, u_int8_t *data)
+static int get_next_data(struct decoder_state *st, uint8_t *data)
 {
-	u_int8_t parity_sample;
-	u_int32_t bytesample;
+	uint8_t parity_sample;
+	uint32_t bytesample;
 
 	bytesample = st->algo->get_next_bytesample(st, &parity_sample);
 
@@ -36,7 +36,7 @@ static int get_next_data(struct decoder_state *st, u_int8_t *data)
 }
 
 /* iterate over sample buffer (size N bytes) and decode data */
-int decoder_decode(u_int8_t algo, const char *sample_buf,
+int decoder_decode(uint8_t algo, const char *sample_buf,
 	  	   int sample_buf_size, char *data_buf)
 {
 	int i, ret;
@@ -46,7 +46,7 @@ int decoder_decode(u_int8_t algo, const char *sample_buf,
 		return -EINVAL;
 
 	st.buf = sample_buf;
-	st.buf32 = (u_int32_t *) st.buf;
+	st.buf32 = (uint32_t *) st.buf;
 	st.bit_ofs = 0;
 	st.algo = decoder_algo[algo];
 
diff --git a/firmware/src/picc/decoder.h b/firmware/src/picc/decoder.h
index aef0e20..06ff42e 100644
--- a/firmware/src/picc/decoder.h
+++ b/firmware/src/picc/decoder.h
@@ -4,22 +4,22 @@
 struct decoder_state;
 
 struct decoder_algo {
-	u_int8_t oversampling_rate;		
-	u_int8_t bits_per_sampled_char;
-	u_int32_t bytesample_mask;
-	int (*decode_sample)(const u_int32_t sample, u_int8_t data);
-	u_int32_t (*get_next_bytesample)(struct decoder_state *st, u_int8_t *parity_sample);
+	uint8_t oversampling_rate;		
+	uint8_t bits_per_sampled_char;
+	uint32_t bytesample_mask;
+	int (*decode_sample)(const uint32_t sample, uint8_t data);
+	uint32_t (*get_next_bytesample)(struct decoder_state *st, uint8_t *parity_sample);
 };
 
 struct decoder_state {
 	struct decoder_algo *algo;
-	u_int8_t bit_ofs;
+	uint8_t bit_ofs;
 	const char *buf;
-	const u_int32_t *buf32;
+	const uint32_t *buf32;
 };
 
 extern int decoder_register(int algnum, struct decoder_algo *algo);
-extern int decoder_decode(u_int8_t algo, const char *sample_buf,
+extern int decoder_decode(uint8_t algo, const char *sample_buf,
 		  	  int sample_buf_size, char *data_buf);
 
 #define DECODER_MILLER		0
diff --git a/firmware/src/picc/decoder_miller.c b/firmware/src/picc/decoder_miller.c
index cc62672..96c9bed 100644
--- a/firmware/src/picc/decoder_miller.c
+++ b/firmware/src/picc/decoder_miller.c
@@ -55,7 +55,7 @@
 #define SEQ_Z	0x1
 
 /* decode a single sampled bit */
-static u_int8_t miller_decode_sampled_bit(u_int32_t sampled_bit)
+static uint8_t miller_decode_sampled_bit(uint32_t sampled_bit)
 {
 	switch (sampled_bit) {
 	case SEQ_X:
@@ -73,13 +73,13 @@ static u_int8_t miller_decode_sampled_bit(u_int32_t sampled_bit)
 }
 
 /* decode a single 32bit data sample of an 8bit miller encoded word */
-static int miller_decode_sample(u_int32_t sample, u_int8_t *data)
+static int miller_decode_sample(uint32_t sample, uint8_t *data)
 {
-	u_int8_t ret = 0;
+	uint8_t ret = 0;
 	unsigned int i;
 
 	for (i = 0; i < sizeof(sample)/OVERSAMPLING_RATE; i++) {
-		u_int8_t bit = miller_decode_sampled_bit(sample & 0xf);
+		uint8_t bit = miller_decode_sampled_bit(sample & 0xf);
 
 		if (bit == 1)
 			ret |= 1;
@@ -98,10 +98,10 @@ static int miller_decode_sample(u_int32_t sample, u_int8_t *data)
 	return ret;
 }
 
-static u_int32_t get_next_bytesample(struct decoder_state *ms,
-				     u_int8_t *parity_sample)
+static uint32_t get_next_bytesample(struct decoder_state *ms,
+				     uint8_t *parity_sample)
 {
-	u_int32_t ret = 0;
+	uint32_t ret = 0;
 
 	/* get remaining bits from the current word */
 	ret = *(ms->buf32) >> ms->bit_ofs;
diff --git a/firmware/src/picc/decoder_nrzl.c b/firmware/src/picc/decoder_nrzl.c
index 136a9c8..8307bcd 100644
--- a/firmware/src/picc/decoder_nrzl.c
+++ b/firmware/src/picc/decoder_nrzl.c
@@ -60,12 +60,12 @@
 /* currently this code will only work with oversampling_rate == 1 */
 #define OVERSAMPLING_RATE 1
 
-static u_int32_t get_next_bytesample(struct decoder_state *st,
-				     u_int8_t *parity_sample)
+static uint32_t get_next_bytesample(struct decoder_state *st,
+				     uint8_t *parity_sample)
 {
-	u_int32_t ret = 0;
-	u_int8_t bits_per_sampled_char = st->algo->bits_per_sampled_char;
-	u_int8_t bytesample_mask = st->algo->bytesample_mask;
+	uint32_t ret = 0;
+	uint8_t bits_per_sampled_char = st->algo->bits_per_sampled_char;
+	uint8_t bytesample_mask = st->algo->bytesample_mask;
 
 	/* FIXME: shift start and stop bit into parity_sample and just
 	 * return plain 8-bit data word */
@@ -83,7 +83,7 @@ static u_int32_t get_next_bytesample(struct decoder_state *st,
 	return ret & bytesample_mask;
 }
 
-static int nrzl_decode_sample(const u_int32_t sample, u_int8_t *data)
+static int nrzl_decode_sample(const uint32_t sample, uint8_t *data)
 {
 	*data = (sample >> 1) & 0xff;
 
diff --git a/firmware/src/picc/iso14443a_manchester.c b/firmware/src/picc/iso14443a_manchester.c
index f9eba1e..15a61ac 100644
--- a/firmware/src/picc/iso14443a_manchester.c
+++ b/firmware/src/picc/iso14443a_manchester.c
@@ -46,7 +46,7 @@
 #define MANCHESTER_SEQ_E	0x5500
 #define MANCHESTER_SEQ_F	0x5555
 
-static u_int32_t manchester_sample_size(u_int8_t frame_bytelen)
+static uint32_t manchester_sample_size(uint8_t frame_bytelen)
 {
 	/* 16 bits (2 bytes) per bit => 16 bytes samples per data byte,
 	 * plus 16bit (2 bytes) parity per data byte
@@ -60,13 +60,13 @@ static u_int32_t manchester_sample_size(u_int8_t frame_bytelen)
 struct manch_enc_state {
 	const char *data;
 	char *samples;
-	u_int16_t *samples16;
+	uint16_t *samples16;
 };
 
-static void manchester_enc_byte(struct manch_enc_state *mencs, u_int8_t data)
+static void manchester_enc_byte(struct manch_enc_state *mencs, uint8_t data)
 {
 	int i;
-	u_int8_t sum_1 = 0;
+	uint8_t sum_1 = 0;
 
 	/* append 8 sample blobs, one for each bit */
 	for (i = 0; i < 8; i++) {
@@ -86,8 +86,8 @@ static void manchester_enc_byte(struct manch_enc_state *mencs, u_int8_t data)
 	mencs->samples16++
 }
  
-int manchester_encode(char *sample_buf, u_int16_t sample_buf_len, 
-		      const char *data, u_int8_t data_len)
+int manchester_encode(char *sample_buf, uint16_t sample_buf_len, 
+		      const char *data, uint8_t data_len)
 {
 	int i, enc_size;
 	struct manch_enc_state mencs
@@ -112,10 +112,10 @@ int manchester_encode(char *sample_buf, u_int16_t sample_buf_len,
 #define BPSK_SPEED_212	
 
 
-static u_int32_t bpsk_sample_size(u_int8_t frame_bytelen)
+static uint32_t bpsk_sample_size(uint8_t frame_bytelen)
 
-int bpsk_encode(char *sample_buf, u_int16_t sample_buf_len,
-		const char *data, u_int8_t data_len)
+int bpsk_encode(char *sample_buf, uint16_t sample_buf_len,
+		const char *data, uint8_t data_len)
 {
 	/* burst of 32 sub carrier cycles */	
 	memset(sample_buf, 0x55, 8);
diff --git a/firmware/src/picc/load_modulation.c b/firmware/src/picc/load_modulation.c
index 576bc74..acefe98 100644
--- a/firmware/src/picc/load_modulation.c
+++ b/firmware/src/picc/load_modulation.c
@@ -23,7 +23,7 @@
 
 #include "../openpcd.h"
 
-void load_mod_level(u_int8_t level)
+void load_mod_level(uint8_t level)
 {
 	if (level > 3)
 		level = 3;
diff --git a/firmware/src/picc/load_modulation.h b/firmware/src/picc/load_modulation.h
index 71f9d6f..59fc9cb 100644
--- a/firmware/src/picc/load_modulation.h
+++ b/firmware/src/picc/load_modulation.h
@@ -1,7 +1,7 @@
 #ifndef _LOAD_MODULATION_H
 #define _LOAD_MODULATION_H
 
-extern void load_mod_level(u_int8_t level);
+extern void load_mod_level(uint8_t level);
 extern void load_mod_init(void);
 
 #endif
diff --git a/firmware/src/picc/main_openpicc.c b/firmware/src/picc/main_openpicc.c
index 93ca4b6..da9378f 100644
--- a/firmware/src/picc/main_openpicc.c
+++ b/firmware/src/picc/main_openpicc.c
@@ -35,15 +35,15 @@
 #include <picc/ssc_picc.h>
 #include <picc/load_modulation.h>
 
-static const u_int16_t cdivs[] = { 8192, 2048, 1024, 512, 128, 64, 32, 16 };
-static u_int8_t cdiv_idx = 6;
+static const uint16_t cdivs[] = { 8192, 2048, 1024, 512, 128, 64, 32, 16 };
+static uint8_t cdiv_idx = 6;
 
-static u_int16_t duty_percent = 22;
+static uint16_t duty_percent = 22;
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-static u_int32_t pwm_freq[] = { 105937, 211875, 423750, 847500 };
-static u_int8_t pwm_freq_idx = 0;
+static uint32_t pwm_freq[] = { 105937, 211875, 423750, 847500 };
+static uint8_t pwm_freq_idx = 0;
 
-static u_int8_t load_mod = 0;
+static uint8_t load_mod = 0;
 
 #define DA_BASELINE 192
 
@@ -88,10 +88,10 @@ static void help(void)
 
 int _main_dbgu(char key)
 {
-	static u_int8_t poti = DA_BASELINE;
-	static u_int8_t pll_inh = 1;
-	static u_int8_t ssc_mode = 1;
-	static u_int8_t sync_enabled = 0;
+	static uint8_t poti = DA_BASELINE;
+	static uint8_t pll_inh = 1;
+	static uint8_t ssc_mode = 1;
+	static uint8_t sync_enabled = 0;
 
 	DEBUGPCRF("main_dbgu");
 
diff --git a/firmware/src/picc/openpicc.c b/firmware/src/picc/openpicc.c
index 54139a9..61db217 100644
--- a/firmware/src/picc/openpicc.c
+++ b/firmware/src/picc/openpicc.c
@@ -16,7 +16,7 @@
 
 #ifdef DEBUG
 /* Our registers, including their power-up default values */
-static u_int16_t opicc_regs[_OPICC_NUM_REGS] = {
+static uint16_t opicc_regs[_OPICC_NUM_REGS] = {
 	[OPICC_REG_14443A_UIDLEN]	= 4,
 	[OPICC_REG_14443A_FDT0]		= 1236,
 	[OPICC_REG_14443A_FDT1]		= 1172,
@@ -30,14 +30,14 @@ static u_int16_t opicc_regs[_OPICC_NUM_REGS] = {
 	[OPICC_REG_RX_COMP_LEVEL]	= 0,
 };
 
-u_int16_t opicc_reg_read(enum opicc_reg reg)
+uint16_t opicc_reg_read(enum opicc_reg reg)
 {
 	if (reg < _OPICC_NUM_REGS)
 		return opicc_regs[reg];
 	return 0;
 }
 
-void opicc_reg_write(enum opicc_reg reg, u_int16_t val)
+void opicc_reg_write(enum opicc_reg reg, uint16_t val)
 {
 	if (reg < _OPICC_NUM_REGS)
 		opicc_regs[reg] = val;
@@ -52,7 +52,7 @@ void opicc_reg_write(enum opicc_reg reg, u_int16_t val)
 static int opicc_reg_usb_in(struct req_ctx *rctx)
 {
 	struct openpcd_hdr *poh = (struct openpcd_hdr *) &rctx->data[0];
-	u_int16_t *val16 = (u_int16_t *) poh->data;
+	uint16_t *val16 = (uint16_t *) poh->data;
 	
 	poh->val = 0;
 	rctx->tot_len = sizeof(*poh);
@@ -60,11 +60,11 @@ static int opicc_reg_usb_in(struct req_ctx *rctx)
 	switch (poh->cmd) {
 	case OPENPCD_CMD_PICC_REG_READ:
 		*val16 = opicc_reg_read(poh->reg);
-		rctx->tot_len += sizeof(u_int16_t);
+		rctx->tot_len += sizeof(uint16_t);
 		poh->flags |= OPENPCD_FLAG_RESPOND;
 		break;
 	case OPENPCD_CMD_PICC_REG_WRITE:
-		if (rctx->tot_len < sizeof(*poh) + sizeof(u_int16_t)) {
+		if (rctx->tot_len < sizeof(*poh) + sizeof(uint16_t)) {
 			/* we only have an 8bit write */
 			opicc_reg_write(poh->reg, poh->val);
 		} else
diff --git a/firmware/src/picc/opicc_reg.h b/firmware/src/picc/opicc_reg.h
index adc9305..3402057 100644
--- a/firmware/src/picc/opicc_reg.h
+++ b/firmware/src/picc/opicc_reg.h
@@ -5,10 +5,10 @@
 #include <sys/types.h>
 
 #ifdef DEBUG
-u_int16_t opicc_reg_read(enum opicc_reg reg);
-void opicc_reg_write(enum opicc_reg reg, u_int16_t val);
+uint16_t opicc_reg_read(enum opicc_reg reg);
+void opicc_reg_write(enum opicc_reg reg, uint16_t val);
 #else
-u_int16_t opicc_regs[_OPICC_NUM_REGS];
+uint16_t opicc_regs[_OPICC_NUM_REGS];
 #define opicc_reg_read(x)	(opicc_regs[x])
 #define opicc_reg_write(x, y)	(opicc_regs[x] = y)
 #endif
diff --git a/firmware/src/picc/piccsim.h b/firmware/src/picc/piccsim.h
index 3cf6514..ddbb224 100644
--- a/firmware/src/picc/piccsim.h
+++ b/firmware/src/picc/piccsim.h
@@ -4,19 +4,19 @@
 struct piccsim_state {
 	enum rfid_layer2_id l2prot;
 	unsigned char uid[10];
-	u_int8_t uid_len;
+	uint8_t uid_len;
 	union {
 		struct {
 			enum iso14443a_state state;
 			enum iso14443a_level level;
-			u_int32_t flags;
+			uint32_t flags;
 		} iso14443a;
 		struct {
 		} iso14443b;
 	} l2;
 
 	union {
-		u_int32_t flags;
+		uint32_t flags;
 	} proto;
 }
 
diff --git a/firmware/src/picc/pll.c b/firmware/src/picc/pll.c
index e48911d..9a413a8 100644
--- a/firmware/src/picc/pll.c
+++ b/firmware/src/picc/pll.c
@@ -38,7 +38,7 @@ int pll_is_locked(void)
 	return AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, OPENPICC_PIO_PLL_LOCK);
 }
 
-static void pll_lock_change_cb(u_int32_t pio)
+static void pll_lock_change_cb(uint32_t pio)
 {
 	DEBUGPCRF("PLL LOCK: %d", pll_is_locked());
 #if 1
diff --git a/firmware/src/picc/poti.c b/firmware/src/picc/poti.c
index e5701dc..1901124 100644
--- a/firmware/src/picc/poti.c
+++ b/firmware/src/picc/poti.c
@@ -25,7 +25,7 @@
 
 static const AT91PS_SPI spi = AT91C_BASE_SPI;
 
-void poti_comp_carr(u_int8_t position)
+void poti_comp_carr(uint8_t position)
 {
 	volatile int i;
 
diff --git a/firmware/src/picc/poti.h b/firmware/src/picc/poti.h
index 92ec00d..0d238a3 100644
--- a/firmware/src/picc/poti.h
+++ b/firmware/src/picc/poti.h
@@ -1,7 +1,7 @@
 #ifndef _POTI_H
 #define _POTI_H
 
-extern void poti_comp_carr(u_int8_t position);
+extern void poti_comp_carr(uint8_t position);
 extern void poti_init(void);
 
 #endif
diff --git a/firmware/src/picc/ssc_picc.c b/firmware/src/picc/ssc_picc.c
index 8ec6f79..b7455e5 100644
--- a/firmware/src/picc/ssc_picc.c
+++ b/firmware/src/picc/ssc_picc.c
@@ -62,7 +62,7 @@ struct ssc_state {
 };
 static struct ssc_state ssc_state;
 
-static const u_int16_t ssc_dmasize[] = {
+static const uint16_t ssc_dmasize[] = {
 	[SSC_MODE_NONE]			= 16,
 	[SSC_MODE_14443A_SHORT]		= 16,	/* 64 bytes */
 	[SSC_MODE_14443A_STANDARD]	= 16,	/* 64 bytes */
@@ -91,8 +91,8 @@ static const u_int16_t ssc_dmasize[] = {
 
 void ssc_rx_mode_set(enum ssc_mode ssc_mode)
 {
-	u_int8_t data_len, num_data, sync_len;
-	u_int32_t start_cond;
+	uint8_t data_len, num_data, sync_len;
+	uint32_t start_cond;
 
 	/* disable Rx and all Rx interrupt sources */
 	AT91F_SSC_DisableRx(AT91C_BASE_SSC);
@@ -151,8 +151,8 @@ out_set_mode:
 
 static void ssc_tx_mode_set(enum ssc_mode ssc_mode)
 {
-	u_int8_t data_len, num_data, sync_len;
-	u_int32_t start_cond;
+	uint8_t data_len, num_data, sync_len;
+	uint32_t start_cond;
 
 	/* disable Tx */
 	AT91F_SSC_DisableTx(AT91C_BASE_SSC);
@@ -308,7 +308,7 @@ static int8_t ssc_rx_refill(void)
 
 static void __ramfunc ssc_irq(void)
 {
-	u_int32_t ssc_sr = ssc->SSC_SR;
+	uint32_t ssc_sr = ssc->SSC_SR;
 	int i, *tmp, emptyframe = 0;
 	DEBUGP("ssc_sr=0x%08x, mode=%u: ", ssc_sr, ssc_state.mode);
 
@@ -327,7 +327,7 @@ static void __ramfunc ssc_irq(void)
 /* Experimental start SSC on frame, stop on FFFFFFFF */
 		if (ssc_state.mode == SSC_MODE_CONTINUOUS) {
 			//ssc->SSC_RCMR = (ssc->SSC_RCMR & ~AT91C_SSC_START) | AT91C_SSC_START_CONTINOUS;
-			tmp = (u_int32_t*)ssc_state.rx_ctx[0]->data;
+			tmp = (uint32_t*)ssc_state.rx_ctx[0]->data;
 			for(i = ssc_state.rx_ctx[0]->size / 4; i >= 0 ; i--) {
 				if( *tmp++ == 0xFFFFFFFF ) {
 					*(tmp-1) = 0xAAAAAAAA; // debug marker
@@ -345,7 +345,7 @@ static void __ramfunc ssc_irq(void)
 #endif
 		/* Ignore empty frames */
 		if (ssc_state.mode == SSC_MODE_CONTINUOUS) {
-			tmp = (u_int32_t*)ssc_state.rx_ctx[0]->data + MAX_HDRSIZE;
+			tmp = (uint32_t*)ssc_state.rx_ctx[0]->data + MAX_HDRSIZE;
 			emptyframe = 1;
 			for(i = (ssc_state.rx_ctx[0]->size-MAX_HDRSIZE) / 4 - 8/*WTF?*/; i > 0; i--) {
 				if( *tmp++ != 0xFFFFFFFF ) {
@@ -417,7 +417,7 @@ static void __ramfunc ssc_irq(void)
 		if (ssc_sr & AT91C_SSC_RXSYN)
 			DEBUGP("RXSYN ");
 		if (ssc_sr & AT91C_SSC_RXRDY) {
-			u_int32_t sample = ssc->SSC_RHR;	
+			uint32_t sample = ssc->SSC_RHR;	
 			DEBUGP("RXRDY=0x%08x ", sample);
 			/* Try to set FDT compare register ASAP */
 			if (sample == REQA) {
diff --git a/firmware/src/picc/tc_cdiv_sync.c b/firmware/src/picc/tc_cdiv_sync.c
index e83ae88..6d6e1e9 100644
--- a/firmware/src/picc/tc_cdiv_sync.c
+++ b/firmware/src/picc/tc_cdiv_sync.c
@@ -7,9 +7,9 @@
 
 //#define USE_IRQ
 
-static u_int8_t enabled;
+static uint8_t enabled;
 
-static void pio_data_change(u_int32_t pio)
+static void pio_data_change(uint32_t pio)
 {
 	DEBUGP("PIO_FRAME_IRQ: ");
 	/* we get one interrupt for each change. If now, after the
@@ -46,7 +46,7 @@ static void __ramfunc cdsync_cb(void)
 void tc_cdiv_sync_reset(void)
 {
 	if (enabled) {
-		u_int32_t tmp = *AT91C_PIOA_ISR;
+		uint32_t tmp = *AT91C_PIOA_ISR;
 		volatile int i;
 		DEBUGPCRF("CDIV_SYNC_FLOP");
 
diff --git a/firmware/src/picc/tc_fdt.c b/firmware/src/picc/tc_fdt.c
index 1651b32..8b4b867 100644
--- a/firmware/src/picc/tc_fdt.c
+++ b/firmware/src/picc/tc_fdt.c
@@ -39,7 +39,7 @@
 
 static AT91PS_TC tcfdt = AT91C_BASE_TC2;
 
-void tc_fdt_set(u_int16_t count)
+void tc_fdt_set(uint16_t count)
 {
 	tcfdt->TC_RA = count;
 }
@@ -47,14 +47,14 @@ void tc_fdt_set(u_int16_t count)
 
 /* 'count' number of carrier cycles after the last modulation pause, 
  * we deem the frame to have ended */
-void tc_frame_end_set(u_int16_t count)
+void tc_frame_end_set(uint16_t count)
 {
 	tcfdt->TC_RB = count;
 }
 
 static void tc_fdt_irq(void)
 {
-	u_int32_t sr = tcfdt->TC_SR;
+	uint32_t sr = tcfdt->TC_SR;
 	DEBUGP("tc_fdt_irq: TC2_SR=0x%08x TC2_CV=0x%08x ", 
 		sr, tcfdt->TC_CV);
 
diff --git a/firmware/src/picc/tc_fdt.h b/firmware/src/picc/tc_fdt.h
index b39b935..db0a5c2 100644
--- a/firmware/src/picc/tc_fdt.h
+++ b/firmware/src/picc/tc_fdt.h
@@ -4,6 +4,6 @@
 #include <sys/types.h>
 
 extern void tc_fdt_init(void);
-extern void tc_fdt_set(u_int16_t count);
+extern void tc_fdt_set(uint16_t count);
 
 #endif
diff --git a/firmware/src/simtrace/iso7816_uart.c b/firmware/src/simtrace/iso7816_uart.c
index 9e8ace9..aa85d6e 100644
--- a/firmware/src/simtrace/iso7816_uart.c
+++ b/firmware/src/simtrace/iso7816_uart.c
@@ -85,22 +85,22 @@ enum pts_state {
 struct iso7816_3_handle {
 	enum iso7816_3_state state;
 
-	u_int8_t fi;
-	u_int8_t di;
-	u_int8_t wi;
-	u_int32_t waiting_time;
+	uint8_t fi;
+	uint8_t di;
+	uint8_t wi;
+	uint32_t waiting_time;
 
 	enum atr_state atr_state;
-	u_int8_t atr_idx;
-	u_int8_t atr_hist_len;
-	u_int8_t atr_last_td;
-	u_int8_t atr[64];
+	uint8_t atr_idx;
+	uint8_t atr_hist_len;
+	uint8_t atr_last_td;
+	uint8_t atr[64];
 
-	u_int16_t prot_t_supported;
+	uint16_t prot_t_supported;
 
 	enum pts_state pts_state;
-	u_int8_t pts_req[6];
-	u_int8_t pts_resp[6];
+	uint8_t pts_req[6];
+	uint8_t pts_resp[6];
 
 	struct simtrace_hdr sh;
 
@@ -114,13 +114,13 @@ struct iso7816_3_handle isoh;
 
 
 /* Table 6 from ISO 7816-3 */
-static const u_int16_t fi_table[] = {
+static const uint16_t fi_table[] = {
 	372, 372, 558, 744, 1116, 1488, 1860, 0,
 	0, 512, 768, 1024, 1536, 2048, 0, 0
 };
 
 /* Table 7 from ISO 7816-3 */
-static const u_int8_t di_table[] = {
+static const uint8_t di_table[] = {
 	0, 1, 2, 4, 8, 16, 32, 64,
 	12, 20, 2, 4, 8, 16, 32, 64,
 };
@@ -154,9 +154,9 @@ struct simtrace_stats *iso_uart_stats_get(void)
 }
 
 /* compute the F/D ratio based on Fi and Di values */
-static int compute_fidi_ratio(u_int8_t fi, u_int8_t di)
+static int compute_fidi_ratio(uint8_t fi, uint8_t di)
 {
-	u_int16_t f, d;
+	uint16_t f, d;
 	int ret;
 
 	if (fi >= ARRAY_SIZE(fi_table) ||
@@ -314,7 +314,7 @@ transition_to_tck(struct iso7816_3_handle *ih)
 }
 
 /* determine the next ATR state based on received interface byte */
-static enum atr_state next_intb_state(struct iso7816_3_handle *ih, u_int8_t ch)
+static enum atr_state next_intb_state(struct iso7816_3_handle *ih, uint8_t ch)
 {
 	switch (ih->atr_state) {
 	case ATR_S_WAIT_TD:
@@ -359,7 +359,7 @@ from_tc:
 
 /* process an incomng ATR byte */
 static enum iso7816_3_state
-process_byte_atr(struct iso7816_3_handle *ih, u_int8_t byte)
+process_byte_atr(struct iso7816_3_handle *ih, uint8_t byte)
 {
 	/* add byte to ATR buffer */
 	ih->atr[ih->atr_idx] = byte;
@@ -412,9 +412,9 @@ static void set_pts_state(struct iso7816_3_handle *ih, enum pts_state new_ptss)
 /* Determine the next PTS state */
 static enum pts_state next_pts_state(struct iso7816_3_handle *ih)
 {
-	u_int8_t is_resp = ih->pts_state & 0x10;
-	u_int8_t sstate = ih->pts_state & 0x0f;
-	u_int8_t *pts_ptr;
+	uint8_t is_resp = ih->pts_state & 0x10;
+	uint8_t sstate = ih->pts_state & 0x0f;
+	uint8_t *pts_ptr;
 
 	if (!is_resp)
 		pts_ptr = ih->pts_req;
@@ -453,7 +453,7 @@ from_pts3:
 }
 
 static enum iso7816_3_state
-process_byte_pts(struct iso7816_3_handle *ih, u_int8_t byte)
+process_byte_pts(struct iso7816_3_handle *ih, uint8_t byte)
 {
 	switch (ih->pts_state) {
 	case PTS_S_WAIT_REQ_PTSS:
@@ -510,7 +510,7 @@ process_byte_pts(struct iso7816_3_handle *ih, u_int8_t byte)
 	return ISO7816_S_IN_PTS;
 }
 
-static void process_byte(struct iso7816_3_handle *ih, u_int8_t byte)
+static void process_byte(struct iso7816_3_handle *ih, uint8_t byte)
 {
 	int new_state = -1;
 	struct req_ctx *rctx;
@@ -589,7 +589,7 @@ void iso_uart_flush(void)
 void iso_uart_idleflush(void)
 {
 	static struct req_ctx *last_req = NULL;
-	static u_int16_t last_len = 0;
+	static uint16_t last_len = 0;
 
 	if (last_req == isoh.rctx &&
 	    last_len == isoh.rctx->tot_len &&
@@ -603,8 +603,8 @@ void iso_uart_idleflush(void)
 
 static __ramfunc void usart_irq(void)
 {
-	u_int32_t csr = usart->US_CSR;
-	u_int8_t octet;
+	uint32_t csr = usart->US_CSR;
+	uint8_t octet;
 
 	//DEBUGP("USART IRQ, CSR=0x%08x\n", csr);
 
@@ -620,7 +620,7 @@ static __ramfunc void usart_irq(void)
 	}
 
 	if (csr & (AT91C_US_PARE|AT91C_US_FRAME|AT91C_US_OVRE)) {
-		u_int8_t nb_err = usart->US_NER;
+		uint8_t nb_err = usart->US_NER;
 		/* FIXME: some error has occurrerd */
 		//DEBUGP("NER=%02x ", nb_err);
 		/* clear the status */
@@ -641,7 +641,7 @@ static __ramfunc void usart_irq(void)
 }
 
 /* handler for the RST input pin state change */
-static void reset_pin_irq(u_int32_t pio)
+static void reset_pin_irq(uint32_t pio)
 {
 	if (!AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, pio)) {
 		/* make sure to flush pending req_ctx */
@@ -659,7 +659,7 @@ static void reset_pin_irq(u_int32_t pio)
 
 void iso_uart_dump(void)
 {
-	u_int32_t csr = usart->US_CSR;
+	uint32_t csr = usart->US_CSR;
 
 	DEBUGPCR("USART CSR=0x%08x", csr);
 }
diff --git a/firmware/src/simtrace/main_factory.c b/firmware/src/simtrace/main_factory.c
index 7a491ed..502feb2 100644
--- a/firmware/src/simtrace/main_factory.c
+++ b/firmware/src/simtrace/main_factory.c
@@ -72,7 +72,7 @@ int _main_dbgu(char key)
 		break;
 	case 'P':
 		{
-		u_int32_t version;
+		uint32_t version;
 		int rc = prod_info_get(&version, NULL);
 		if (rc >= 0)
 			DEBUGPCR("Version: 0x%08x\n", version);
diff --git a/firmware/src/simtrace/prod_info.c b/firmware/src/simtrace/prod_info.c
index 87ef6e2..ef2e8eb 100644
--- a/firmware/src/simtrace/prod_info.c
+++ b/firmware/src/simtrace/prod_info.c
@@ -38,17 +38,17 @@
 struct simtrace_prod_info
 {
 	/* magic value */
-	u_int32_t magic;
+	uint32_t magic;
 	/* unix timestamp of production date (0=unknown) */
-	u_int32_t production_ts;
+	uint32_t production_ts;
 	/* hardware version */
-	u_int32_t version;
+	uint32_t version;
 	/* re-works applied */
-	u_int32_t reworks;
+	uint32_t reworks;
 } __attribute__((packed));
 
 
-int prod_info_write(u_int32_t ts, u_int32_t version, u_int32_t reworks)
+int prod_info_write(uint32_t ts, uint32_t version, uint32_t reworks)
 {
 	struct simtrace_prod_info pi = {
 		.magic = PRODINFO_MAGIC,
@@ -56,8 +56,8 @@ int prod_info_write(u_int32_t ts, u_int32_t version, u_int32_t reworks)
 		.version = version,
 		.reworks = reworks,
 	};
-	u_int8_t *pi8 = (u_int8_t *) &pi;
-	u_int32_t addr = OTP_ADDR(OTP_REGION_PRODINFO);
+	uint8_t *pi8 = (uint8_t *) &pi;
+	uint32_t addr = OTP_ADDR(OTP_REGION_PRODINFO);
 	unsigned int rc;
 	int i;
 
@@ -80,12 +80,12 @@ int prod_info_write(u_int32_t ts, u_int32_t version, u_int32_t reworks)
 	return rc;
 }
 
-int prod_info_get(u_int32_t *ver, u_int32_t *reworks)
+int prod_info_get(uint32_t *ver, uint32_t *reworks)
 {
 	struct simtrace_prod_info pi;
-	u_int32_t addr = OTP_ADDR(OTP_REGION_PRODINFO);
+	uint32_t addr = OTP_ADDR(OTP_REGION_PRODINFO);
 
-	spiflash_otp_read(addr, (u_int8_t *) &pi, sizeof(pi));
+	spiflash_otp_read(addr, (uint8_t *) &pi, sizeof(pi));
 
 	if (pi.magic != PRODINFO_MAGIC)
 		return -1;
diff --git a/firmware/src/simtrace/prod_info.h b/firmware/src/simtrace/prod_info.h
index 7a12421..796ee7a 100644
--- a/firmware/src/simtrace/prod_info.h
+++ b/firmware/src/simtrace/prod_info.h
@@ -6,7 +6,7 @@
 				 ((c & 0xff) << 0))
 
 
-int prod_info_write(u_int32_t ts, u_int32_t version, u_int32_t reworks);
-int prod_info_get(u_int32_t *ver, u_int32_t *reworks);
+int prod_info_write(uint32_t ts, uint32_t version, uint32_t reworks);
+int prod_info_get(uint32_t *ver, uint32_t *reworks);
 
 #endif
diff --git a/firmware/src/simtrace/sim_switch.c b/firmware/src/simtrace/sim_switch.c
index 90067ac..36f9f0c 100644
--- a/firmware/src/simtrace/sim_switch.c
+++ b/firmware/src/simtrace/sim_switch.c
@@ -48,7 +48,7 @@ void sim_switch_mode(int connect_io, int connect_misc)
 		AT91F_PIO_SetOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_SC_SW);
 }
 
-static void sw_sim_irq(u_int32_t pio)
+static void sw_sim_irq(uint32_t pio)
 {
 
 	if (!AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, SIMTRACE_PIO_SW_SIM))
@@ -57,7 +57,7 @@ static void sw_sim_irq(u_int32_t pio)
 		DEBUGPCR("SIM card removed");
 }
 
-static void vcc_phone_irq(u_int32_t pio)
+static void vcc_phone_irq(uint32_t pio)
 {
 	if (!AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, SIMTRACE_PIO_VCC_PHONE)) {
 		DEBUGPCR("VCC_PHONE off");
diff --git a/firmware/src/simtrace/spi_flash.c b/firmware/src/simtrace/spi_flash.c
index ffda1b2..10c6fa7 100644
--- a/firmware/src/simtrace/spi_flash.c
+++ b/firmware/src/simtrace/spi_flash.c
@@ -88,15 +88,15 @@ void spiflash_write_protect(int on)
 
 static __ramfunc void spi_irq(void)
 {
-	u_int32_t status = pSPI->SPI_SR;
+	uint32_t status = pSPI->SPI_SR;
 
 	AT91F_AIC_ClearIt(AT91C_BASE_AIC, AT91C_ID_SPI);
 }
 
-static const u_int8_t chipid_s25fl032p[3] = { 0x01, 0x02, 0x15 };
+static const uint8_t chipid_s25fl032p[3] = { 0x01, 0x02, 0x15 };
 
-static u_int8_t chip_id[3];
-static u_int32_t otp_supported;
+static uint8_t chip_id[3];
+static uint32_t otp_supported;
 
 void spiflash_init(void)
 {
@@ -141,13 +141,13 @@ void spiflash_init(void)
 		otp_supported = 1;
 }
 
-static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len,
-		   u_int8_t *rx_data, u_int16_t *rx_len, u_int16_t rx_skip)
+static int spi_transceive(const uint8_t *tx_data, uint16_t tx_len,
+		   uint8_t *rx_data, uint16_t *rx_len, uint16_t rx_skip)
 {
-	u_int16_t tx_cur = 0;
-	u_int16_t rx_len_max = 0;
-	u_int16_t rx_cnt = 0;
-	u_int8_t tmp;
+	uint16_t tx_cur = 0;
+	uint16_t rx_len_max = 0;
+	uint16_t rx_cnt = 0;
+	uint8_t tmp;
 
 	DEBUGPSPI("spi_transceive: enter(tx_len=%u) ", tx_len);
 
@@ -161,7 +161,7 @@ static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len,
 
 	//AT91F_SPI_Enable(pSPI);
 	while (1) {
-		u_int32_t sr = pSPI->SPI_SR;
+		uint32_t sr = pSPI->SPI_SR;
 		if (sr & AT91C_SPI_RDRF) {
 			tmp = pSPI->SPI_RDR;
 			rx_cnt++;
@@ -199,11 +199,11 @@ static int spi_transceive(const u_int8_t *tx_data, u_int16_t tx_len,
 	return 0;
 }
 
-void spiflash_get_id(u_int8_t *id)
+void spiflash_get_id(uint8_t *id)
 {
-	const u_int8_t tx_data[] = { SPIF_CMD_RDID, 0, 0, 0 };
-	u_int8_t rx_data[] = { 0,0,0,0 };
-	u_int16_t rx_len = sizeof(rx_data);
+	const uint8_t tx_data[] = { SPIF_CMD_RDID, 0, 0, 0 };
+	uint8_t rx_data[] = { 0,0,0,0 };
+	uint16_t rx_len = sizeof(rx_data);
 
 	spi_transceive(tx_data, sizeof(tx_data), rx_data, &rx_len, 1);
 	DEBUGPSPI("SPI ID: %02x %02x %02x\r\n",
@@ -213,9 +213,9 @@ void spiflash_get_id(u_int8_t *id)
 
 int spiflash_read_status(void)
 {
-	const u_int8_t tx_data[] = { SPIF_CMD_RDSR, 0 };
-	u_int8_t rx_data[1];
-	u_int16_t rx_len = sizeof(rx_data);
+	const uint8_t tx_data[] = { SPIF_CMD_RDSR, 0 };
+	uint8_t rx_data[1];
+	uint16_t rx_len = sizeof(rx_data);
 
 	spi_transceive(tx_data, sizeof(tx_data), rx_data, &rx_len, 1);
 
@@ -226,14 +226,14 @@ int spiflash_read_status(void)
 
 void spiflash_clear_status(void)
 {
-	const u_int8_t tx_data[] = { SPIF_CMD_CLSR };
+	const uint8_t tx_data[] = { SPIF_CMD_CLSR };
 
 	spi_transceive(tx_data, sizeof(tx_data), NULL, 0, 0);
 }
 
 int spiflash_write_enable(int enable)
 {
-	u_int8_t tx_data[1];
+	uint8_t tx_data[1];
 
 	if (enable)
 		tx_data[0] = SPIF_CMD_WREN;
@@ -245,9 +245,9 @@ int spiflash_write_enable(int enable)
 	return 0;
 }
 
-int spiflash_otp_read(u_int32_t otp_addr, u_int8_t *out, u_int16_t rx_len)
+int spiflash_otp_read(uint32_t otp_addr, uint8_t *out, uint16_t rx_len)
 {
-	u_int8_t tx_data[] = { SPIF_CMD_OTPR, 0, 0, 0, 0 };
+	uint8_t tx_data[] = { SPIF_CMD_OTPR, 0, 0, 0, 0 };
 
 	if (!otp_supported) {
 		DEBUGP("OTP not supported!\r\n");
@@ -269,9 +269,9 @@ int spiflash_otp_read(u_int32_t otp_addr, u_int8_t *out, u_int16_t rx_len)
 	return rx_len;
 }
 
-int spiflash_otp_write(u_int32_t otp_addr, u_int8_t data)
+int spiflash_otp_write(uint32_t otp_addr, uint8_t data)
 {
-	u_int8_t tx_data[] = { SPIF_CMD_OTPP, 0, 0, 0, 0 };
+	uint8_t tx_data[] = { SPIF_CMD_OTPP, 0, 0, 0, 0 };
 
 	if (!otp_supported) {
 		DEBUGP("OTP not supported!\r\n");
@@ -293,7 +293,7 @@ int spiflash_otp_write(u_int32_t otp_addr, u_int8_t data)
 	return 0;
 }
 
-static int otp_region2addr(u_int8_t region)
+static int otp_region2addr(uint8_t region)
 {
 	/* see Figure 10.1 of S25FL032P data sheet */
 	if (region > 31 || region < 1)
@@ -308,7 +308,7 @@ static int otp_region2addr(u_int8_t region)
 		return 0x112;
 }
 
-static int otp_region2bit(u_int8_t region)
+static int otp_region2bit(uint8_t region)
 {
 	/* see Figure 10.1 of S25FL032P data sheet */
 	if (region > 31 || region < 1)
@@ -323,10 +323,10 @@ static int otp_region2bit(u_int8_t region)
 		return region - 1;
 }
 
-int spiflash_otp_get_lock(u_int8_t region)
+int spiflash_otp_get_lock(uint8_t region)
 {
-	u_int32_t addr;
-	u_int8_t bit, data;
+	uint32_t addr;
+	uint8_t bit, data;
 
 	if (region > 31 || region < 1)
 		return -1;
@@ -342,10 +342,10 @@ int spiflash_otp_get_lock(u_int8_t region)
 		return 0;
 }
 
-int spiflash_otp_set_lock(u_int8_t region)
+int spiflash_otp_set_lock(uint8_t region)
 {
-	u_int32_t addr;
-	u_int8_t bit;
+	uint32_t addr;
+	uint8_t bit;
 
 	if (region > 31 || region < 1)
 		return -1;
diff --git a/firmware/src/simtrace/spi_flash.h b/firmware/src/simtrace/spi_flash.h
index d823130..1654eec 100644
--- a/firmware/src/simtrace/spi_flash.h
+++ b/firmware/src/simtrace/spi_flash.h
@@ -6,14 +6,14 @@
 #define OTP_ADDR(x)	(0x114 + ( ((x) - 1) * 16 ) )
 
 void spiflash_init(void);
-void spiflash_get_id(u_int8_t *id);
+void spiflash_get_id(uint8_t *id);
 int spiflash_read_status(void);
 void spiflash_clear_status(void);
 void spiflash_write_protect(int on);
 int spiflash_write_enable(int enable);
-int spiflash_otp_read(u_int32_t otp_addr, u_int8_t *out, u_int16_t rx_len);
-int spiflash_otp_write(u_int32_t otp_addr, u_int8_t data);
-int spiflash_otp_get_lock(u_int8_t region);
-int spiflash_otp_set_lock(u_int8_t region);
+int spiflash_otp_read(uint32_t otp_addr, uint8_t *out, uint16_t rx_len);
+int spiflash_otp_write(uint32_t otp_addr, uint8_t data);
+int spiflash_otp_get_lock(uint8_t region);
+int spiflash_otp_set_lock(uint8_t region);
 
 #endif
diff --git a/firmware/src/simtrace/tc_etu.c b/firmware/src/simtrace/tc_etu.c
index fc52033..88be665 100644
--- a/firmware/src/simtrace/tc_etu.c
+++ b/firmware/src/simtrace/tc_etu.c
@@ -26,14 +26,14 @@
 static AT91PS_TCB tcb;
 static AT91PS_TC tcetu = AT91C_BASE_TC0;
 
-static u_int16_t waiting_time = 9600;
-static u_int16_t clocks_per_etu = 372;
-static u_int16_t wait_events;
+static uint16_t waiting_time = 9600;
+static uint16_t clocks_per_etu = 372;
+static uint16_t wait_events;
 
 static __ramfunc void tc_etu_irq(void)
 {
-	u_int32_t sr = tcetu->TC_SR;
-	static u_int16_t nr_events;
+	uint32_t sr = tcetu->TC_SR;
+	static uint16_t nr_events;
 
 	if (sr & AT91C_TC_ETRGS) {
 		/* external trigger, i.e. we have seen a bit on I/O */
@@ -73,14 +73,14 @@ static void recalc_nr_events(void)
 	tcetu->TC_RC = clocks_per_etu * 12;
 }
 
-void tc_etu_set_wtime(u_int16_t wtime)
+void tc_etu_set_wtime(uint16_t wtime)
 {
 	waiting_time = wtime;
 	recalc_nr_events();
 	//DEBUGPCR("wtime=%u, actually waiting %u", wtime, wait_events * 12);
 }
 
-void tc_etu_set_etu(u_int16_t etu)
+void tc_etu_set_etu(uint16_t etu)
 {
 	clocks_per_etu = etu;
 	recalc_nr_events();
diff --git a/firmware/src/simtrace/tc_etu.h b/firmware/src/simtrace/tc_etu.h
index 59d9031..ee1458d 100644
--- a/firmware/src/simtrace/tc_etu.h
+++ b/firmware/src/simtrace/tc_etu.h
@@ -1,4 +1,4 @@
 
-void tc_etu_set_wtime(u_int16_t wtime);
-void tc_etu_set_etu(u_int16_t etu);
+void tc_etu_set_wtime(uint16_t wtime);
+void tc_etu_set_etu(uint16_t etu);
 void tc_etu_init(void);