Make HID device class driver reselect the correct endpoint after the user callbacks...

[pub/USBasp.git] / Demos / Host / LowLevel / CDCHost / CDCHost.c

diff --git a/Demos/Host/LowLevel/CDCHost/CDCHost.c b/Demos/Host/LowLevel/CDCHost/CDCHost.c
index a423b90..0b09c5a 100644 (file)
--- a/Demos/Host/LowLevel/CDCHost/CDCHost.c
+++ b/Demos/Host/LowLevel/CDCHost/CDCHost.c
@@ -36,8 +36,54 @@
  \r
 #include "CDCHost.h"\r
 \r
+#if 0\r
+/* NOTE: Here you can set up a standard stream using the created virtual serial port, so that the standard stream functions in\r
+ *       <stdio.h> can be used on the virtual serial port (e.g. fprintf(&USBSerial, "Test"); to print a string).\r
+ */\r
+       \r
+static int CDC_putchar(char c, FILE *stream)\r
+{        \r
+       Pipe_SelectPipe(CDC_DATAPIPE_OUT);\r
+       \r
+       if (Pipe_WaitUntilReady())\r
+         return -1;\r
+\r
+       Pipe_Write_Byte(c);\r
+       Pipe_ClearIN();\r
+       \r
+       return 0;\r
+}\r
+\r
+static int CDC_getchar(FILE *stream)\r
+{\r
+       int c;\r
+\r
+       Pipe_SelectPipe(CDC_DATAPIPE_IN);\r
+       \r
+       for (;;)\r
+       {\r
+               if (Pipe_WaitUntilReady())\r
+                 return -1;\r
+       \r
+               if (!(Pipe_BytesInPipe()))\r
+               {\r
+                       Pipe_ClearOUT();\r
+               }\r
+               else\r
+               {\r
+                       c = Pipe_Read_Byte();\r
+                       break;\r
+               }\r
+       }\r
+       \r
+       return c;\r
+}\r
+\r
+static FILE USBSerial = FDEV_SETUP_STREAM(CDC_putchar, CDC_getchar, _FDEV_SETUP_RW);\r
+#endif\r
+\r
 /** Main program entry point. This routine configures the hardware required by the application, then\r
- *  starts the scheduler to run the application tasks.\r
+ *  enters a loop to run the application tasks in sequence.\r
  */\r
 int main(void)\r
 {\r
@@ -101,8 +147,8 @@ void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 {\r
        USB_ShutDown();\r
 \r
-       puts_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"));\r
-       printf_P(PSTR(" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+       printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+                                " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
 \r
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
        for(;;);\r
@@ -113,10 +159,10 @@ void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
  */\r
 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
 {\r
-       puts_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"));\r
-       printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
-       printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);\r
-       printf_P(PSTR(" -- In State %d\r\n" ESC_FG_WHITE), USB_HostState);\r
+       printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+                                " -- Error Code %d\r\n"\r
+                                " -- Sub Error Code %d\r\n"\r
+                                " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
        \r
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 }\r
@@ -154,8 +200,8 @@ void CDC_Host_Task(void)
                        /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
                        if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
                        {\r
-                               puts_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"));\r
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"\r
+                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
 \r
                                /* Indicate error via status LEDs */\r
                                LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r