portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, char cOutChar, portTickType xBlockTime )
{
if( xQueueSend( pxPort->xCharsForTx, &cOutChar, xBlockTime ) != pdPASS )
{
return pdFAIL;
}
vInterruptOn( pxPort, serTX_HOLD_EMPTY_INT );
return pdPASS;
}
signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, portTickType xBlockTime )
{
/* Return false if after the block time there is no room on the Tx queue. */
if( xQueueSend( xCharsForTx, &cOutChar, xBlockTime ) != pdPASS )
{
return pdFAIL;
}
vInterruptOn();
return pdPASS;
}
void vSerialPutString( xComPortHandle pxPort, const char * const pcString, unsigned short usStringLength )
{
unsigned short usByte;
char *pcNextChar;
pcNextChar = ( char * ) pcString;
for( usByte = 0; usByte < usStringLength; usByte++ )
{
xQueueSend( pxPort->xCharsForTx, pcNextChar, serDONT_BLOCK );
pcNextChar++;
}
vInterruptOn( pxPort, serTX_HOLD_EMPTY_INT );
}
inline portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, unsigned portBASE_TYPE cOutChar, portTickType xBlockTime )
{
/* Only one port is supported. */
( void ) pxPort;
/* Return false if after the block time there is no room on the Tx queue. */
if( xQueueSendToBack( xCharsForTx, &cOutChar, xBlockTime ) != pdPASS )
{
return pdFAIL;
}
vInterruptOn();
return pdPASS;
}
signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, TickType_t xBlockTime )
{
/* Place the character in the queue of characters to be transmitted. */
if( xQueueSend( xCharsForTx, &cOutChar, xBlockTime ) != pdPASS ) {
return pdFAIL;
}
/* Turn on the Tx interrupt so the ISR will remove the character from the
queue and send it. This does not need to be in a critical section as
if the interrupt has already removed the character the next interrupt
will simply turn off the Tx interrupt again. */
vInterruptOn();
return pdPASS;
}