let device runs with three interfaces.

README

@@ -15,3 +15,18 @@ Taken from http://github.com/robots/STM32.git
 
 * USBCDC
 Taken from http://github.com/robots/STM32.git
+
+
+HOWTO RUN
+=================
+
+$ openocd -f interface/olimex-jtag-tiny.cfg -f board/olimex_stm32_h103.cfg
+
+$ arm-none-eabi-gdb --annotate=3 gnuk.elf
+
+$ telnet localhost 4444
+> reset halt
+> flash write_image erase gnuk.elf
+> reset
+> exit
+$ 

src/Makefile

@@ -78,7 +78,7 @@ CSRC = $(PORTSRC) \
        $(CHIBIOS)/os/various/syscalls.c \
        $(STMUSBSRC) \
        $(USBCDCSRC) \
-       main.c hw_config.c usb_lld.c usb_desc.c usb_prop.c
+       main.c hw_config.c usb_lld.c usb_desc.c usb_prop.c usb.c
 
 # List ASM source files here
 ASMSRC = $(PORTASM) \

src/main.c

@@ -70,7 +70,7 @@ stdout_init (void)
   stdout.str = NULL;
 }
 
-static int
+int
 _write (const char *s, int size)
 {
   if (size == 0)
@@ -160,6 +160,9 @@ static msg_t Thread2 (void *arg)
   return 0;
 }
 
+static WORKING_AREA(waUSBThread, 128);
+extern msg_t USBThread (void *arg);
+
 /*
  * Entry point, note, the main() function is already a thread in the system
  * on entry.
@@ -185,6 +188,8 @@ int main(int argc, char **argv)
    */
   chThdCreateStatic (waThread2, sizeof(waThread2), NORMALPRIO, Thread2, NULL);
 
+  chThdCreateStatic (waUSBThread, sizeof(waUSBThread), NORMALPRIO, USBThread, NULL);
+
   while (1)
     {
 #if 0

src/usb.c

@@ -21,6 +21,37 @@
  *
  */
 
+#include "ch.h"
+#include "hal.h"
+
+#include "usb_lib.h"
+#include "usb_desc.h"
+#include "usb_mem.h"
+#include "hw_config.h"
+#include "usb_istr.h"
+
+static uint8_t icc_buffer_out[64];
+static uint8_t icc_buffer_in[64];
+
+static __IO uint32_t icc_count_out = 0;
+static uint32_t icc_count_in = 0;
+
+void
+EP4_IN_Callback(void)
+{
+}
+
+void
+EP5_OUT_Callback(void)
+{
+  /* Get the received data buffer and update the counter */
+  icc_count_out = USB_SIL_Read (EP5_OUT, icc_buffer_out);
+
+  /* Enable the receive of data on EP5 */
+  SetEPRxValid (ENDP5);
+}
+
+#if 0
 #define ICC_POWER_ON	0x62
 0 bMessageType  0x62
 1 dwLength      0x00000000
@@ -146,3 +177,19 @@ RDR_to_PC_DataBlock
 
 PC_to_RDR_XfrBlock
 RDR_to_PC_DataBlock
+#endif
+
+msg_t
+USBThread (void *arg)
+{
+  while (TRUE)
+    {
+      while (icc_count_out == 0)
+	chThdSleepMilliseconds (1);
+
+      _write ("!\r\n", 3);
+      icc_count_out = 0;
+    }
+
+  return 0;
+}

src/usb_desc.c

@@ -37,7 +37,7 @@ static const uint8_t gnukConfigDescriptor[] = {
   0x01,   /* bConfigurationValue: Configuration value */
   0x00,   /* iConfiguration: Index of string descriptor describing the configuration */
   0xC0,   /* bmAttributes: self powered */
-  0x32,   /* MaxPower 0 mA */
+  50,	  /* MaxPower 100 mA */
 
   /* Interface Descriptor */
   9,			      /* bLength: Interface Descriptor size */
@@ -53,7 +53,7 @@ static const uint8_t gnukConfigDescriptor[] = {
   /* ICC Descriptor */
   54,			  /* bLength: */
   0x21,			  /* bDescriptorType: USBDESCR_ICC */
-  0x10, 0x01,		  /* bcdCCID: 1.1 */
+  0x10, 0x01,		  /* bcdCCID: 1.1 XXX */
   0,			  /* bMaxSlotIndex: */
   1,			  /* bVoltageSupport: FIXED VALUE */
   0x02, 0, 0, 0,	  /* dwProtocols: T=1 */
@@ -67,7 +67,7 @@ static const uint8_t gnukConfigDescriptor[] = {
   0, 0, 0, 0,		  /* dwSynchProtocols: FIXED VALUE */
   0, 0, 0, 0,		  /* dwMechanical: FIXED VALUE */
   0x40, 0x08, 0x04, 0x00, /* dwFeatures: Short and extended ADPU level */
-  0x0f, 0x01, 0, 0,	  /* dwMaxCCIDMessageLength: 261+10 */
+  0x0f, 0x01, 0, 0,	  /* dwMaxCCIDMessageLength: 261+10 XXX */
   0xff,			  /* bClassGetResponse: */
   0xff,			  /* bClassEnvelope: */
   0, 0,			  /* wLCDLayout: FIXED VALUE */
@@ -109,7 +109,7 @@ static const uint8_t gnukConfigDescriptor[] = {
   0x24,	    /* bDescriptorType: CS_INTERFACE */
   0x01,	    /* bDescriptorSubtype: Call Management Func Desc */
   0x00,	    /* bmCapabilities: D0+D1 */
-  0x01,	    /* bDataInterface: 1 */
+  0x02,	    /* bDataInterface: 1 */
   /*ACM Functional Descriptor*/
   4,	    /* bFunctionLength */
   0x24,	    /* bDescriptorType: CS_INTERFACE */
@@ -119,8 +119,8 @@ static const uint8_t gnukConfigDescriptor[] = {
   5,		 /* bFunctionLength */
   0x24,		 /* bDescriptorType: CS_INTERFACE */
   0x06,		 /* bDescriptorSubtype: Union func desc */
-  0x00,		 /* bMasterInterface: Communication class interface */
+  0x01,		 /* bMasterInterface: Communication class interface */
-  0x01,		 /* bSlaveInterface0: Data Class Interface */
+  0x02,		 /* bSlaveInterface0: Data Class Interface */
   /*Endpoint 2 Descriptor*/
   7,			       /* bLength: Endpoint Descriptor size */
   USB_ENDPOINT_DESCRIPTOR_TYPE,	   /* bDescriptorType: Endpoint */