void CommunicationCheckWrite(CommunicationState *com) {
char ch;
while(RingBufferPeek(&com->uart_out_ringbuffer, &ch)) {
if(CommunicationTrySendChar(ch))
RingBufferPop(&com->uart_out_ringbuffer, 0);
}
if(RingBufferSize(&com->uart_out_ringbuffer) > 0)
CommunicationIntDisableWrite();
}
/* Call interrupt if read flag is set and there is data in buffer */
void checkedCallReadInterrupt(UartMockDriverState *ms) {
if(ms->int_flags & UART_INT_RHR_CTI &&
RingBufferPeek(&ms->comm_state.uart_in_ringbuffer, 0))
ms->int_handler();
}
int USART_Peek(void)
{
return RingBufferPeek(&RingBufferUART4RX);
}