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Diffstat (limited to 'libmaple/usb/usb.c')
-rw-r--r--libmaple/usb/usb.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/libmaple/usb/usb.c b/libmaple/usb/usb.c
index 7b1dd4c..b34c4b6 100644
--- a/libmaple/usb/usb.c
+++ b/libmaple/usb/usb.c
@@ -343,23 +343,21 @@ void usbBlockingSendByte(char ch) {
countTx = 1;
while (countTx);
}
-uint32 usbSendBytes(uint8* sendBuf, uint32 len) {
- /* any checks on connection (via dtr/rts) done upstream in wirish or
- by user */
- /* last xmit hasnt finished, abort */
+uint32 usbSendBytes(const uint8* sendBuf, uint32 len) {
+ /* Last transmission hasn't finished, abort */
if (countTx) {
return 0;
}
// We can only put VCOM_TX_EPSIZE bytes in the buffer
- if(len > VCOM_TX_EPSIZE/2) {
- len = VCOM_TX_EPSIZE/2;
+ if (len > VCOM_TX_EPSIZE / 2) {
+ len = VCOM_TX_EPSIZE / 2;
}
// Try to load some bytes if we can
if (len) {
- UserToPMABufferCopy(sendBuf,VCOM_TX_ADDR, len);
+ UserToPMABufferCopy(sendBuf, VCOM_TX_ADDR, len);
_SetEPTxCount(VCOM_TX_ENDP, len);
countTx += len;
_SetEPTxValid(VCOM_TX_ENDP);