/*****************************************************************************
*
* Description:
* Blocking function that waits for a received character.
*
* Return:
* The received character.
*
****************************************************************************/
tU8
uart1GetCh(void)
{
tU8 rxChar;
//wait for a character to be available
while(uart1GetChar(&rxChar) == FALSE)
;
return rxChar;
}
/*****************************************************************************
*
* Description:
* Blocking (with semaphore) function that waits for a received character.
*
* Return:
* The received character.
*
****************************************************************************/
tU8
uart1GetChSem(void)
{
tU8 rxChar;
tU8 error;
//wait for a character to be available
osSemTake(&receiveSem, 0, &error); //wait forever, no timeout
//should never loop here, but just in case...
while(uart1GetChar(&rxChar) == FALSE)
;
return rxChar;
}
tU32 readBackIfAvail() {
tU32 rxChars = 0;
tU8 rxChar = 0;
//check if any character has been received
while (TRUE == uart1GetChar(&rxChar))
{
rxChars++;
if (rxChar == '\r')
printf("\n%c", rxChar);
else
printf("%c", rxChar);
}
return rxChars;
}
tU32 readBackTimed() {
//get current time
tU32 timeStamp = msClock;
tU32 rxChars = 0;
while((msClock - timeStamp) < 5000)
{
tU8 rxChar = 0;
//check if any character has been received
if (TRUE == uart1GetChar(&rxChar))
{
rxChars++;
if (rxChar == '\r')
printf("\n%c", rxChar);
else
printf("%c", rxChar);
}
}
return rxChars;
}
