Added new stream creation function to the CDC Class drivers, to easily make standard...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / CDC.c

diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index db2f721..6acecca 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -334,6 +334,26 @@ uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
        return ReceivedByte;\r
 }\r
 \r
+void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+       *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW);\r
+       fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+static int CDC_Host_putchar(char c, FILE* Stream)\r
+{\r
+       CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c);\r
+       return 0;\r
+}\r
+\r
+static int CDC_Host_getchar(FILE* Stream)\r
+{\r
+       if (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))\r
+         return -1;\r
+\r
+       return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));\r
+}\r
+\r
 void CDC_Host_Event_Stub(void)\r
 {\r
 \r