void SendDataBuf(USART_TypeDef* USARTx,u8 *Data,u8 len)
{
u8 parity = 0,length = len + 4,count = 0;
USARTx_Send(USARTx,0XAA);
USARTx_Send(USARTx,length);
parity ^= length;
for(count = 0;count < len; count++)
{
USARTx_Send(USARTx,*(Data+count));
parity ^= *(Data+count);
}
USARTx_Send(USARTx,parity);
USARTx_Send(USARTx,0X55);
}
void vNFCTxTask(void* pvParameters ) {
TQ tq;
vDebugString("NFC TX task started");
/*
while(1)
{ USARTx_Send(DMA1_Stream3,"A",1*sizeof(uint8_t));
vTaskDelay(10);
}
*/
for(;;) {
if(xQueueReceive( xQueueNFCTx, &tq, (portTickType)portMAX_DELAY) == pdPASS){
USARTx_Send(DMA1_Stream3,tq.data,tq.length*sizeof(uint8_t));
if(xSemaphoreTake(xSemaphoreTx,(portTickType)100) != pdTRUE){
vDebugString("NFC TX task timeout");
}
}
else
{
vTaskDelay(50);
}
}
}