diff options
| -rw-r--r-- | libmaple/usb/usb.c | 15 | ||||
| -rw-r--r-- | libmaple/usb/usb.h | 1 |
2 files changed, 11 insertions, 5 deletions
diff --git a/libmaple/usb/usb.c b/libmaple/usb/usb.c index 448c4ff..4e86ed0 100644 --- a/libmaple/usb/usb.c +++ b/libmaple/usb/usb.c @@ -336,10 +336,15 @@ void usbWaitReset(void) { * * */ +void usbBlockingSendByte(char ch) { + while (countTx); + UserToPMABufferCopy(&ch,VCOM_TX_ADDR,1); + _SetEPTxCount(VCOM_TX_ENDP,1); + _SetEPTxValid(VCOM_TX_ENDP); + countTx = 1; + while (countTx); +} uint32 usbSendBytes(uint8* sendBuf, uint32 len) { - - uint16 loaded = 0; - /* any checks on connection (via dtr/rts) done upstream in wirish or by user */ /* last xmit hasnt finished, abort */ @@ -348,8 +353,8 @@ uint32 usbSendBytes(uint8* sendBuf, uint32 len) { } // We can only put VCOM_TX_EPSIZE bytes in the buffer - if(len > VCOM_TX_EPSIZE) { - len = VCOM_TX_EPSIZE; + if(len > VCOM_TX_EPSIZE/2) { + len = VCOM_TX_EPSIZE/2; } // Try to load some bytes if we can diff --git a/libmaple/usb/usb.h b/libmaple/usb/usb.h index 5bc31e1..0ed02e5 100644 --- a/libmaple/usb/usb.h +++ b/libmaple/usb/usb.h @@ -73,6 +73,7 @@ void usb_lpIRQHandler(void); void usbWaitReset(void); /* blocking functions for send/receive */ +void usbBlockingSendByte(char ch); uint32 usbSendBytes(uint8* sendBuf,uint32 len); uint32 usbBytesAvailable(void); uint32 usbReceiveBytes(uint8* recvBuf, uint32 len); |