1 files changed, 0 insertions, 145 deletions
diff --git a/openpcd/firmware/src/picc/adc.c b/openpcd/firmware/src/picc/adc.c
deleted file mode 100644
index 31b3469..0000000
--- a/openpcd/firmware/src/picc/adc.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/* AT91SAM7 ADC controller routines for OpenPCD / OpenPICC
- * (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
- *
- */
-
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <AT91SAM7.h>
-#include <lib_AT91SAM7.h>
-#include <openpcd.h>
-
-#include <os/usb_handler.h>
-#include "../openpcd.h"
-#include <os/dbgu.h>
-
-#define OPENPICC_ADC_CH_FIELDSTR	AT91C_ADC_CH4
-#define OPENPICC_ADC_CH_PLL_DEM		AT91C_ADC_CH5
-
-#define DEBUG_ADC
-
-#ifdef DEBUG_ADC
-#define DEBUGADC	DEBUGP
-#else
-#define DEBUGADC	do { } while (0)
-#endif
-
-static const AT91PS_ADC adc = AT91C_BASE_ADC;
-
-enum adc_states {
-	ADC_NONE,
-	ADC_READ_CONTINUOUS,
-	ADC_READ_CONTINUOUS_USB,
-	ADC_READ_SINGLE,
-};
-
-struct adc_state {
-	enum adc_states state;
-	struct req_ctx *rctx;
-};
-
-static struct adc_state adc_state;
-
-static void adc_irq(void)
-{
-	u_int32_t sr = adc->ADC_SR;
-	struct req_ctx *rctx = adc_state.rctx;
-
-	DEBUGADC("adc_irq(SR=0x%08x, IMR=0x%08x, state=%u): ",
-		 sr, adc->ADC_IMR, adc_state.state);
-
-	switch (adc_state.state) {
-	case ADC_NONE:
-		//break;
-	case ADC_READ_CONTINUOUS_USB:
-		if (sr & AT91C_ADC_EOC4)
-			DEBUGADC("CDR4=0x%4x ", adc->ADC_CDR4);
-		if (sr & AT91C_ADC_EOC5)
-			DEBUGADC("CDR5=0x%4x ", adc->ADC_CDR5);
-		if (sr & AT91C_ADC_ENDRX) {
-			/* rctx full, get rid of it */
-			DEBUGADC("sending rctx (val=%s) ",
-				 hexdump(rctx->tx.data[4], 2));
-				 
-			req_ctx_set_state(rctx, RCTX_STATE_UDP_EP2_PENDING);
-			adc_state.state = ADC_NONE;
-			adc_state.rctx = NULL;
-		
-			//AT91F_PDC_SetRx(AT91C_BASE_PDC_ADC, NULL, 0);
-
-			/* Disable EOC interrupts since we don't want to
-			 * re-start conversion any further*/
-			AT91F_ADC_DisableIt(AT91C_BASE_ADC, AT91C_ADC_ENDRX);
-					    //AT91C_ADC_EOC4|AT91C_ADC_EOC5|AT91C_ADC_ENDRX);
-			AT91F_PDC_DisableRx(AT91C_BASE_PDC_ADC);
-			DEBUGADC("disabled IT/RX ");
-		} else {
-			if (sr & (AT91C_ADC_EOC4|AT91C_ADC_EOC5)) {
-				/* re-start conversion, since we need more values */
-				AT91F_ADC_StartConversion(adc);
-			}
-		}
-		break;
-	}
-
-	AT91F_AIC_ClearIt(AT91C_BASE_AIC, AT91C_ID_ADC);
-	DEBUGADC("cleeared ADC IRQ in AIC\r\n");
-}
-
-#if 0
-u_int16_t adc_read_fieldstr(void)
-{
-	return adc->ADC_CDR4;
-}
-
-u_int16_T adc_read_pll_dem(void)
-{
-	return adc
-}
-#endif
-
-static int adc_usb_in(struct req_ctx *rctx)
-{
-	struct openpcd_hdr *poh = (struct openpcd_hdr *) &rctx->rx.data[0];
-	struct openpcd_hdr *pih = (struct openpcd_hdr *) &rctx->tx.data[0];
-
-	switch (poh->cmd) {
-	case OPENPCD_CMD_ADC_READ:
-		DEBUGADC("ADC_READ(chan=%u, len=%u) ", poh->reg, poh->val);
-		//channel = poh->reg;
-		if (adc_state.rctx) {
-			/* FIXME: do something */
-			req_ctx_put(rctx);
-		}
-
-		adc_state.state = ADC_READ_CONTINUOUS_USB;
-		adc_state.rctx = rctx;
-		memcpy(pih, poh, sizeof(*pih));
-		rctx->tx.tot_len = sizeof(*pih) + poh->val * 2;
-		AT91F_PDC_SetRx(AT91C_BASE_PDC_ADC, rctx->rx.data, poh->val);
-		AT91F_PDC_EnableRx(AT91C_BASE_PDC_ADC);
-		AT91F_ADC_EnableChannel(AT91C_BASE_ADC, OPENPICC_ADC_CH_FIELDSTR);
-		AT91F_ADC_EnableIt(AT91C_BASE_ADC, AT91C_ADC_ENDRX |
-				   OPENPICC_ADC_CH_FIELDSTR);
-		AT91F_ADC_StartConversion(adc);
-		break;
-	}
-}
-
-int adc_init(void)
-{
-	AT91F_ADC_CfgPMC();
-	AT91F_ADC_CfgTimings(AT91C_BASE_ADC, 48 /*MHz*/, 5 /*MHz*/,
-			     20/*uSec*/, 700/*nSec*/);
-#if 0
-	AT91F_ADC_EnableChannel(AT91C_BASE_ADC, OPENPICC_ADC_CH_FIELDSTR |
-				OPENPICC_ADC_CH_PLL_DEM);
-#endif
-	AT91F_AIC_ConfigureIt(AT91C_BASE_AIC, AT91C_ID_ADC,
-			      AT91C_AIC_PRIOR_LOWEST,
-			      AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, &adc_irq);
-	AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_ADC);
-
-	usb_hdlr_register(&adc_usb_in, OPENPCD_CMD_CLS_ADC);
-}