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-rw-r--r--openpicc/application/cmd.c13
-rw-r--r--openpicc/application/cmd.h1
-rw-r--r--openpicc/application/main.c3
-rw-r--r--openpicc/application/usb_print.c105
-rw-r--r--openpicc/application/usb_print.h15
5 files changed, 129 insertions, 8 deletions
diff --git a/openpicc/application/cmd.c b/openpicc/application/cmd.c
index 0b5b8da..7390775 100644
--- a/openpicc/application/cmd.c
+++ b/openpicc/application/cmd.c
@@ -15,6 +15,7 @@
#include "tc_cdiv.h"
#include "tc_cdiv_sync.h"
#include "pio_irq.h"
+#include "usb_print.h"
xQueueHandle xCmdQueue;
xTaskHandle xCmdTask;
@@ -47,17 +48,13 @@ void DumpUIntToUSB(unsigned int data)
} while(data);
while(i--)
- vUSBSendByte(*p++);
+ usb_print_char(*p++);
}
/**********************************************************************/
void DumpStringToUSB(char* text)
{
- unsigned char data;
-
- if(text)
- while((data=*text++)!=0)
- vUSBSendByte(data);
+ usb_print_string(text);
}
/**********************************************************************/
@@ -71,8 +68,8 @@ void DumpBufferToUSB(char* buffer, int len)
int i;
for(i=0; i<len; i++) {
- vUSBSendByte(HexChar( *buffer >> 4));
- vUSBSendByte(HexChar( *buffer++ & 0xf));
+ usb_print_char(HexChar( *buffer >> 4));
+ usb_print_char(HexChar( *buffer++ & 0xf));
}
}
/**********************************************************************/
diff --git a/openpicc/application/cmd.h b/openpicc/application/cmd.h
index 8c048f2..0033b58 100644
--- a/openpicc/application/cmd.h
+++ b/openpicc/application/cmd.h
@@ -11,6 +11,7 @@ typedef struct {
} cmd_type;
portBASE_TYPE vCmdInit(void);
+extern void DumpUIntToUSB(unsigned int data);
extern void DumpStringToUSB(char *string);
extern void DumpBufferToUSB(char* buffer, int len);
extern xQueueHandle xCmdQueue;
diff --git a/openpicc/application/main.c b/openpicc/application/main.c
index eb51aeb..fd776ec 100644
--- a/openpicc/application/main.c
+++ b/openpicc/application/main.c
@@ -46,6 +46,7 @@
#include "tc_cdiv.h"
#include "tc_cdiv_sync.h"
#include "tc_fdt.h"
+#include "usb_print.h"
/**********************************************************************/
static inline void prvSetupHardware (void)
@@ -79,12 +80,14 @@ void vApplicationIdleHook(void)
//vLedSetGreen(0);
disabled_green = 1;
}
+ usb_print_flush();
}
/**********************************************************************/
int main (void)
{
prvSetupHardware ();
+ usb_print_init();
pio_irq_init();
diff --git a/openpicc/application/usb_print.c b/openpicc/application/usb_print.c
new file mode 100644
index 0000000..74ffc3c
--- /dev/null
+++ b/openpicc/application/usb_print.c
@@ -0,0 +1,105 @@
+/* Buffered USB debug output
+ * (C) 2007 Henryk Plötz <henryk@ploetzli.ch>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <FreeRTOS.h>
+#include <USB-CDC.h>
+#include <string.h>
+
+#include "usb_print.h"
+
+#define BUFLEN 1024
+
+static char ringbuffer[BUFLEN];
+static int ringstart, ringstop;
+static int default_flush = 1;
+
+void usb_print_buffer(const char* buffer, int start, int stop) {
+ usb_print_buffer_f(buffer,start,stop,default_flush);
+}
+int usb_print_buffer_f(const char* buffer, int start, int stop, int flush)
+{
+ int pos=start, endpos=stop;
+ while(pos<stop) {
+ int available = BUFLEN-1 - (((ringstop+BUFLEN)-ringstart) % BUFLEN);
+ if(available == 0 && flush) {
+ usb_print_flush();
+ continue;
+ }
+ if((endpos-pos)>available) endpos=pos+available;
+
+ while(pos < endpos) {
+ ringbuffer[ringstop] = buffer[pos];
+ pos++;
+ available--;
+ ringstop = (ringstop+1) % BUFLEN;
+ }
+
+ if(flush) usb_print_flush();
+ else if(available==0)
+ return 0;
+ endpos=stop;
+ if(pos>=stop)
+ return (available > 0);
+ }
+ return 0;
+}
+
+void usb_print_string(const char *string) {
+ usb_print_string_f(string, default_flush);
+}
+int usb_print_string_f(const char* string, int flush)
+{
+ int start = 0, stop = strlen(string);
+ return usb_print_buffer_f(string, start, stop, flush);
+}
+
+void usb_print_char(const char c) {
+ usb_print_char_f(c, default_flush);
+}
+int usb_print_char_f(const char c, int flush)
+{
+ return usb_print_buffer_f(&c, 0, 1, flush);
+}
+
+int usb_print_get_default_flush(void)
+{
+ return default_flush;
+}
+
+int usb_print_set_default_flush(int flush)
+{
+ int old_flush = default_flush;
+ default_flush = flush;
+ return old_flush;
+}
+
+
+void usb_print_flush(void)
+{
+ while(ringstart != ringstop) {
+ vUSBSendByte(ringbuffer[ringstart]);
+ ringstart = (ringstart+1) % BUFLEN;
+ }
+}
+
+void usb_print_init(void)
+{
+ memset(ringbuffer, 0, BUFLEN);
+ ringstart = ringstop = 0;
+}
diff --git a/openpicc/application/usb_print.h b/openpicc/application/usb_print.h
new file mode 100644
index 0000000..9186dc9
--- /dev/null
+++ b/openpicc/application/usb_print.h
@@ -0,0 +1,15 @@
+#ifndef USB_PRINT_H_
+#define USB_PRINT_H_
+
+extern void usb_print_buffer(const char* buffer, int start, int stop);
+extern int usb_print_buffer_f(const char* buffer, int start, int stop, int flush);
+extern void usb_print_string(const char *string);
+extern int usb_print_string_f(const char* string, int flush);
+extern void usb_print_char(const char c);
+extern int usb_print_char_f(const char c, int flush);
+extern void usb_print_flush(void);
+extern int usb_print_get_default_flush(void);
+extern int usb_print_set_default_flush(int flush);
+extern void usb_print_init(void);
+
+#endif /*USB_PRINT_H_*/
personal git repositories of Harald Welte. Your mileage may vary