ErrorCode_t CDC_CMDIF_bulk_in_hdlr(USBD_HANDLE_T hUsb, void* data, uint32_t event) {
CDC_CMDIF_txReady = 1;
if (CDC_CMDIF_txBufferAvailable())
CDC_Stream_flush();
return LPC_OK;
}
ErrorCode_t CDC_SFP_bulk_in_hdlr(USBD_HANDLE_T hUsb, void* data, uint32_t event) {
// TODO: add managing for 64b packets (send ZLP)
CDC_SFP_txReady = 1;
if (CDC_SFP_txBufferAvailable())
CDC_Stream_flush();
return LPC_OK;
}
void CDC_Stream_write(uint8_t *buf, uint32_t len) {
while (len) {
uint32_t nWrite = CDC_SFP_txBufferFree();
if (nWrite == 0) {
CDC_Stream_flush();
while ((nWrite = CDC_SFP_txBufferFree()) == 0);
}
if (nWrite > len)
nWrite = len;
len -= nWrite;
while (nWrite--) {
CDC_SFP_txBuffer[CDC_SFP_txBufferWritePos++ & CDC_SFP_TX_BUFFER_MASK] = *buf++;
}
}
CDC_Stream_flush();
}
