extern int32_t ciaaDriverUart_ioctl(ciaaDevices_deviceType const * const device, int32_t const request, void * param)
{
ciaaDriverUart_uartType * uart = device->layer;
uint32_t baseAddr = g_uartBaseAddr[uart->instance];
uint32_t uartSourceClock;
int32_t ret = -1;
if((device == ciaaDriverUartConst.devices[0]) ||
(device == ciaaDriverUartConst.devices[1]) ||
(device == ciaaDriverUartConst.devices[2]))
{
switch(request)
{
/* signal to start transmition */
case ciaaPOSIX_IOCTL_STARTTX:
ciaaDriverUart_txConfirmation(device);
break;
/* set serial port baudrate */
case ciaaPOSIX_IOCTL_SET_BAUDRATE:
uart->config.baudRate = (uint32_t)(param);
/* UART clock source is either system clock or bus clock depending on the instance */
uartSourceClock = CLOCK_SYS_GetUartFreq(uart->instance);
if (kStatus_UART_Success == UART_HAL_SetBaudRate(baseAddr, uartSourceClock, uart->config.baudRate)) {
ret = 0;
}
break;
}
}
return ret;
}
extern int32_t ciaaDriverUart_ioctl(ciaaDevices_deviceType const * const device, int32_t const request, void * param)
{
int32_t ret = -1;
if((device == ciaaDriverUartConst.devices[0]) ||
(device == ciaaDriverUartConst.devices[1]) ||
(device == ciaaDriverUartConst.devices[2]) )
{
switch(request)
{
case ciaaPOSIX_IOCTL_STARTTX:
/* disable THRE irq (TX) */
Chip_UART_IntDisable((LPC_USART_T *)device->loLayer, UART_IER_THREINT);
/* this one calls write */
ciaaDriverUart_txConfirmation(device);
/* enable THRE irq (TX) */
Chip_UART_IntEnable((LPC_USART_T *)device->loLayer, UART_IER_THREINT);
ret = 0;
break;
case ciaaPOSIX_IOCTL_SET_BAUDRATE:
ret = Chip_UART_SetBaud((LPC_USART_T *)device->loLayer, (int32_t)param);
break;
case ciaaPOSIX_IOCTL_SET_FIFO_TRIGGER_LEVEL:
Chip_UART_SetupFIFOS((LPC_USART_T *)device->loLayer, UART_FCR_FIFO_EN | UART_FCR_TX_RS | UART_FCR_RX_RS | (int32_t)param);
break;
case ciaaPOSIX_IOCTL_SET_ENABLE_TX_INTERRUPT:
if((bool)(intptr_t)param == false)
{
/* disable THRE irq (TX) */
Chip_UART_IntDisable((LPC_USART_T *)device->loLayer, UART_IER_THREINT);
}
else
{
/* enable THRE irq (TX) */
Chip_UART_IntEnable((LPC_USART_T *)device->loLayer, UART_IER_THREINT);
}
break;
case ciaaPOSIX_IOCTL_SET_ENABLE_RX_INTERRUPT:
if((bool)(intptr_t)param == false)
{
/* disable RBR irq (RX) */
Chip_UART_IntDisable((LPC_USART_T *)device->loLayer, UART_IER_RBRINT);
}
else
{
/* enable RBR irq (RX) */
Chip_UART_IntEnable((LPC_USART_T *)device->loLayer, UART_IER_RBRINT);
}
break;
}
}
return ret;
}
void UART3_IRQHandler(void)
{
/* TODO check and call only rx or tx as corresponding */
ciaaDriverUart_rxIndication(&ciaaDriverUart_device2);
ciaaDriverUart_txConfirmation(&ciaaDriverUart_device2);
}
