Update CDC Class Driver character stream functions to use the correct avr-libc return codes for errors and EOF.

Fix pointer arithmetic on void byte buffers by explicitly typecasting the buffer pointers to uint8_t* before altering them.
This commit is contained in:
Dean Camera 2009-11-10 11:24:15 +00:00
parent c1782ac024
commit 5de364163f
11 changed files with 43 additions and 44 deletions

View file

@ -242,14 +242,13 @@ void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE*
static int CDC_Device_putchar(char c, FILE* Stream)
{
CDC_Device_SendByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream), c);
return 0;
return CDC_Device_SendByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;
}
static int CDC_Device_getchar(FILE* Stream)
{
if (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))
return -1;
return _FDEV_EOF;
return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
}