3 files changed, 6 insertions, 8 deletions
diff --git a/libmaple/usb/usb.c b/libmaple/usb/usb.c
index b34c4b6..617c1ee 100644
--- a/libmaple/usb/usb.c
+++ b/libmaple/usb/usb.c
@@ -337,7 +337,7 @@ void usbWaitReset(void) {
  */
 void usbBlockingSendByte(char ch) {
     while (countTx);
-    UserToPMABufferCopy(&ch,VCOM_TX_ADDR,1);
+    UserToPMABufferCopy((uint8*)&ch,VCOM_TX_ADDR,1);
     _SetEPTxCount(VCOM_TX_ENDP,1);
     _SetEPTxValid(VCOM_TX_ENDP);
     countTx = 1;
@@ -397,8 +397,6 @@ uint32 usbReceiveBytes(uint8* recvBuf, uint32 len) {
 }
 
 void usbSendHello(void) {
-  char* myStr = "hello!";
-
   uint8 bufin = 48 + recvBufIn;;
   uint8 bufout = 48 + recvBufOut;
   uint8 avail  = 48 + usbBytesAvailable();
diff --git a/libmaple/usb/usb_callbacks.c b/libmaple/usb/usb_callbacks.c
index 8184537..9694942 100644
--- a/libmaple/usb/usb_callbacks.c
+++ b/libmaple/usb/usb_callbacks.c
@@ -69,8 +69,8 @@ void vcomDataRxCb(void) {
      in some cases */
 
   /* magic number, {0x31, 0x45, 0x41, 0x46} is "1EAF" */
-  char chkBuf[4];
-  char cmpBuf[4] = {0x31, 0x45, 0x41, 0x46};
+  uint8 chkBuf[4];
+  uint8 cmpBuf[4] = {0x31, 0x45, 0x41, 0x46};
   if (reset_state == DTR_NEGEDGE) {
     reset_state = DTR_LOW;
 
diff --git a/libmaple/usb/usb_lib/usb_regs.h b/libmaple/usb/usb_lib/usb_regs.h
index a888f72..b63cc5f 100644
--- a/libmaple/usb/usb_lib/usb_regs.h
+++ b/libmaple/usb/usb_lib/usb_regs.h
@@ -357,9 +357,9 @@ enum EP_BUF_NUM
 * Return         : None.
 *******************************************************************************/
 #define _ToggleDTOG_RX(bEpNum)    (_SetENDPOINT(bEpNum, \
-                                   EP_DTOG_RX | _GetENDPOINT(bEpNum) & EPREG_MASK))
+                                   EP_DTOG_RX | (_GetENDPOINT(bEpNum) & EPREG_MASK)))
 #define _ToggleDTOG_TX(bEpNum)    (_SetENDPOINT(bEpNum, \
-                                   EP_DTOG_TX | _GetENDPOINT(bEpNum) & EPREG_MASK))
+                                   EP_DTOG_TX | (_GetENDPOINT(bEpNum) & EPREG_MASK)))
 
 /*******************************************************************************
 * Macro Name     : ClearDTOG_RX / ClearDTOG_TX.
@@ -381,7 +381,7 @@ enum EP_BUF_NUM
 * Return         : None.
 *******************************************************************************/
 #define _SetEPAddress(bEpNum,bAddr) _SetENDPOINT(bEpNum,\
-    _GetENDPOINT(bEpNum) & EPREG_MASK | bAddr)
+    (_GetENDPOINT(bEpNum) & EPREG_MASK) | bAddr)
 
 /*******************************************************************************
 * Macro Name     : GetEPAddress.