//================================================[UART Management]==========================================================
void Board_UART_Init(LPC_USART_T *pUART)
{
if(pUART==LPC_USART0)
{
/* UART0 (RS485/Profibus) */
Chip_UART_Init(LPC_USART0);
Chip_UART_SetBaud(LPC_USART0, 115200);
Chip_UART_SetupFIFOS(LPC_USART0, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART0);
Chip_SCU_PinMux(9, 5, MD_PDN, FUNC7); /* P9_5: UART0_TXD */
Chip_SCU_PinMux(9, 6, MD_PLN|MD_EZI|MD_ZI, FUNC7); /* P9_6: UART0_RXD */
Chip_UART_SetRS485Flags(LPC_USART0, UART_RS485CTRL_DCTRL_EN | UART_RS485CTRL_OINV_1);
Chip_SCU_PinMux(6, 2, MD_PDN, FUNC2); /* P6_2: UART0_DIR */
uart0RxBufferData.buffer = NULL;
uart0RxBufferData.size=0;
uart0RxBufferData.index=0;
uart0RxBufferData.flagNewPacket=0;
uart0RxBufferData.timeoutCounter=0;
//NVIC_SetPriority(USART0_IRQn, 1);
//NVIC_EnableIRQ(USART0_IRQn);
}
else if(pUART==LPC_USART3)
{
/* UART3 (RS232) */
Chip_UART_Init(LPC_USART3);
Chip_UART_SetBaud(LPC_USART3, 115200);
Chip_UART_SetupFIFOS(LPC_USART3, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART3);
Chip_SCU_PinMux(2, 3, MD_PDN, FUNC2); /* P2_3: UART3_TXD */
Chip_SCU_PinMux(2, 4, MD_PLN|MD_EZI|MD_ZI, FUNC2); /* P2_4: UART3_RXD */
uart3RxBufferData.buffer = NULL;
uart3RxBufferData.size=0;
uart3RxBufferData.index=0;
uart3RxBufferData.flagNewPacket=0;
uart3RxBufferData.timeoutCounter=0;
//NVIC_SetPriority(USART3_IRQn, 1);
//NVIC_EnableIRQ(USART3_IRQn);
}
/* Restart FIFOS: set Enable, Reset content, set trigger level */
Chip_UART_SetupFIFOS(pUART, UART_FCR_FIFO_EN | UART_FCR_TX_RS | UART_FCR_RX_RS | UART_FCR_TRG_LEV0);
/* dummy read */
Chip_UART_ReadByte(pUART);
/* enable rx interrupt */
Chip_UART_IntEnable(pUART, UART_IER_RBRINT);
}
/**
* @brief Main UART program body
* @return Always returns 1
*/
int main(void)
{
uint8_t key;
int bytes;
SystemCoreClockUpdate();
Board_Init();
Board_UART_Init(LPC_UARTX);
Board_LED_Set(0, false);
/* Setup UART for 115.2K8N1 */
Chip_UART_Init(LPC_UARTX);
Chip_UART_SetBaud(LPC_UARTX, 115200);
Chip_UART_ConfigData(LPC_UARTX, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(LPC_UARTX, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_UARTX);
/* Before using the ring buffers, initialize them using the ring
buffer init function */
RingBuffer_Init(&rxring, rxbuff, 1, UART_RRB_SIZE);
RingBuffer_Init(&txring, txbuff, 1, UART_SRB_SIZE);
/* Reset and enable FIFOs, FIFO trigger level 3 (14 chars) */
Chip_UART_SetupFIFOS(LPC_UARTX, (UART_FCR_FIFO_EN | UART_FCR_RX_RS |
UART_FCR_TX_RS | UART_FCR_TRG_LEV3));
/* Enable receive data and line status interrupt */
Chip_UART_IntEnable(LPC_UARTX, (UART_IER_RBRINT | UART_IER_RLSINT));
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(UARTx_IRQn, 1);
NVIC_EnableIRQ(UARTx_IRQn);
/* Send initial messages */
Chip_UART_SendRB(LPC_UARTX, &txring, inst1, sizeof(inst1) - 1);
Chip_UART_SendRB(LPC_UARTX, &txring, inst2, sizeof(inst2) - 1);
/* Poll the receive ring buffer for the ESC (ASCII 27) key */
key = 0;
while (key != 27) {
bytes = Chip_UART_ReadRB(LPC_UARTX, &rxring, &key, 1);
if (bytes > 0) {
/* Wrap value back around */
if (Chip_UART_SendRB(LPC_UARTX, &txring, (const uint8_t *) &key, 1) != 1) {
Board_LED_Toggle(0);/* Toggle LED if the TX FIFO is full */
}
}
}
/* DeInitialize UART0 peripheral */
NVIC_DisableIRQ(UARTx_IRQn);
Chip_UART_DeInit(LPC_UARTX);
return 1;
}
/* Init seriové linky a pinů určených k přenosu dat
* Nastavení UARTu: 115.2K8N1.
* FIFO lvl3 - 14 znaků.
* */
void setup_uarts(){
/* UART0 set up */
Chip_IOCON_PinMuxSet(LPC_IOCON, 0, 2, (IOCON_FUNC1 | IOCON_MODE_INACT));
Chip_IOCON_PinMuxSet(LPC_IOCON, 0, 3, (IOCON_FUNC1 | IOCON_MODE_INACT));
/* Setup UART0 for 115.2K8N1 */
Chip_UART_Init(LPC_UART0);
Chip_UART_SetBaud(LPC_UART0, 115200);
Chip_UART_ConfigData(LPC_UART0, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(LPC_UART0, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_UART0);
Chip_UART_IntEnable(UART0, (UART_IER_RBRINT));
Chip_UART_SetupFIFOS(LPC_UART0, (UART_FCR_FIFO_EN | UART_FCR_RX_RS |
UART_FCR_TX_RS | UART_FCR_TRG_LEV3));
NVIC_EnableIRQ(UART0_IRQn);
/* UART2 set up */
Chip_IOCON_PinMuxSet(LPC_IOCON, 2, 8, (IOCON_FUNC2 | IOCON_MODE_INACT));
Chip_IOCON_PinMuxSet(LPC_IOCON, 2, 9, (IOCON_FUNC2 | IOCON_MODE_INACT));
/* Setup UART4 for 115.2K8N1 */
Chip_UART_Init(UART2);
Chip_UART_SetBaudFDR(UART2, 115200);
Chip_UART_ConfigData(UART2, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS));
Chip_UART_TXEnable(UART2);
Chip_UART_IntEnable(UART2, (UART_IER_RBRINT));
Chip_UART_SetupFIFOS(UART2, (UART_FCR_FIFO_EN | UART_FCR_RX_RS |
UART_FCR_TX_RS | UART_FCR_TRG_LEV3));
NVIC_EnableIRQ(UART2_IRQn);
/* UART4 set up */
Chip_IOCON_PinMuxSet(LPC_IOCON, 0, 22, (IOCON_FUNC3 | IOCON_MODE_INACT));
Chip_IOCON_PinMuxSet(LPC_IOCON, 5, 3, (IOCON_FUNC4 | IOCON_MODE_INACT));
/* Setup UART4 for 115.2K8N1 */
Chip_UART_Init(LPC_UART4);
Chip_UART_SetBaudFDR(LPC_UART4, 115200);
Chip_UART_ConfigData(LPC_UART4, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS));
Chip_UART_TXEnable(LPC_UART4);
Chip_UART_IntEnable(LPC_UART4, (UART_IER_RBRINT));
Chip_UART_SetupFIFOS(LPC_UART4, (UART_FCR_FIFO_EN | UART_FCR_RX_RS |
UART_FCR_TX_RS | UART_FCR_TRG_LEV3));
//Chip_UART_SetAutoBaudReg(LPC_UART4,UART_ACR_START | UART_ACR_MODE);
NVIC_EnableIRQ(UART4_IRQn);
}
int skynetbase_gps_init(void) {
DBG("begin init GPS...\n");
NVIC_DisableIRQ(GPS_IRQn);
Chip_UART_IntDisable(GPS_UART, (UART_IER_RBRINT | UART_IER_RLSINT));
Chip_UART_Init(GPS_UART);
Chip_UART_SetBaud(GPS_UART, 9600);
Chip_UART_ConfigData(GPS_UART, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(GPS_UART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(GPS_UART);
// Before using the ring buffers, initialize them using the ring buffer init function
RingBuffer_Init(&rxring, rxbuff, 1, UART_RRB_SIZE);
RingBuffer_Init(&txring, txbuff, 1, UART_SRB_SIZE);
// Reset and enable FIFOs, FIFO trigger level 3 (14 chars)
Chip_UART_SetupFIFOS(GPS_UART, (UART_FCR_FIFO_EN | UART_FCR_RX_RS |
UART_FCR_TX_RS | UART_FCR_TRG_LEV3));
/* Enable receive data and line status interrupt */
Chip_UART_IntEnable(GPS_UART, (UART_IER_RBRINT | UART_IER_RLSINT));
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(GPS_IRQn, 1);
NVIC_EnableIRQ(GPS_IRQn);
DBG("GPS up.\n");
skynetbase_gps_config("$PUBX,40,GLL,0,0,0,0*5C\r\n");
msDelayActive(250);
skynetbase_gps_config("$PUBX,40,ZDA,0,0,0,0*44\r\n");
msDelayActive(250);
skynetbase_gps_config("$PUBX,40,VTG,0,0,0,0*5E\r\n");
msDelayActive(250);
skynetbase_gps_config("$PUBX,40,GSV,0,0,0,0*59\r\n");
msDelayActive(250);
skynetbase_gps_config("$PUBX,40,RMC,0,0,0,0*47\r\n");
msDelayActive(250);
skynetbase_gps_config("$PUBX,40,GSA,0,0,0,0*4E\r\n");
msDelayActive(250);
skynetbase_gps_config("$PUBX,40,GGA,0,0,0,0*5A\r\n");
msDelayActive(250);
DBG("GPS configured.\n");
// TODO
return 1;
}
/** \brief TODO init_UART_RS485_EDUCIAA Initialization method */
uint8_t init_UART_RS485_EDUCIAA(void)
{
/** \details
* TODO description init_UART_RS485_EDUCIAA
*
* \param none
*
* \return uint8_t: TBD (to support errors in the init function)
* */
/* UART initialization */
/** UART0 (RS485/Profibus) */
Chip_UART_Init(LPC_USART0);
Chip_UART_SetBaud(LPC_USART0, 115200);
Chip_UART_SetupFIFOS(LPC_USART0, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART0);
Chip_SCU_PinMux(9, 5, MD_PDN, FUNC7); /*!< P9_5: UART0_TXD */
Chip_SCU_PinMux(9, 6, MD_PLN|MD_EZI|MD_ZI, FUNC7); /*!< P9_6: UART0_RXD */
Chip_UART_SetRS485Flags(LPC_USART0, UART_RS485CTRL_DCTRL_EN | UART_RS485CTRL_OINV_1);
Chip_SCU_PinMux(6, 2, MD_PDN, FUNC2); /*!< P6_2: UART0_DIR */
return TRUE;
}
/** \brief TODO init_UART_RS232_EDUCIAA Initialization method */
uint8_t init_UART_RS232_EDUCIAA(void)
{
/** \details
* TODO description init_UART_RS232_EDUCIAA
*
* \param none
*
* \return uint8_t: TBD (to support errors in the init function)
* */
/* UART initialization*/
/** UART3 (RS232) */
Chip_UART_Init(LPC_USART3);
Chip_UART_SetBaud(LPC_USART3, 115200);
Chip_UART_SetupFIFOS(LPC_USART3, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART3);
Chip_SCU_PinMux(2, 3, MD_PDN, FUNC2); /* P2_3: UART3_TXD */
Chip_SCU_PinMux(2, 4, MD_PLN|MD_EZI|MD_ZI, FUNC2); /* P2_4: UART3_RXD */
return TRUE;
}
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 ciaaUARTInit(void)
{
/* UART0 (RS485/Profibus) */
Chip_UART_Init(LPC_USART0);
Chip_UART_SetBaud(LPC_USART0, 115200);
Chip_UART_TXEnable(LPC_USART0);
Chip_SCU_PinMux(9, 5, MD_PDN, FUNC7); /* P9_5: UART0_TXD */
Chip_SCU_PinMux(9, 6, MD_PLN|MD_EZI|MD_ZI, FUNC7); /* P9_6: UART0_RXD */
Chip_UART_SetRS485Flags(LPC_USART0, UART_RS485CTRL_DCTRL_EN | UART_RS485CTRL_OINV_1);
Chip_SCU_PinMux(6, 2, MD_PDN, FUNC2); /* P6_2: UART0_DIR */
/* Restart FIFOS: set Enable, Reset content, set trigger level */
Chip_UART_SetupFIFOS(LPC_USART0, UART_FCR_FIFO_EN | UART_FCR_TX_RS | UART_FCR_RX_RS | UART_FCR_TRG_LEV0);
/* dummy read */
Chip_UART_ReadByte(LPC_USART0);
/* enable rx interrupt */
Chip_UART_IntEnable(LPC_USART0, UART_IER_RBRINT);
NVIC_EnableIRQ(USART0_IRQn);
RingBuffer_Init(uarts[0].rrb, rxbuf[0], 1, UART_BUF_SIZE);
RingBuffer_Init(uarts[0].trb, txbuf[0], 1, UART_BUF_SIZE);
/* UART2 (USB-UART) */
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2, 115200);
Chip_UART_TXEnable(LPC_USART2);
Chip_SCU_PinMux(7, 1, MD_PDN, FUNC6); /* P7_1: UART2_TXD */
Chip_SCU_PinMux(7, 2, MD_PLN|MD_EZI|MD_ZI, FUNC6); /* P7_2: UART2_RXD */
Chip_UART_IntEnable(LPC_USART2, UART_IER_RBRINT);
NVIC_EnableIRQ(USART2_IRQn);
RingBuffer_Init(uarts[1].rrb, rxbuf[1], 1, UART_BUF_SIZE);
RingBuffer_Init(uarts[1].trb, txbuf[1], 1, UART_BUF_SIZE);
/* UART3 (RS232) */
Chip_UART_Init(LPC_USART3);
Chip_UART_SetBaud(LPC_USART3, 115200);
Chip_UART_TXEnable(LPC_USART3);
Chip_SCU_PinMux(2, 3, MD_PDN, FUNC2); /* P2_3: UART3_TXD */
Chip_SCU_PinMux(2, 4, MD_PLN|MD_EZI|MD_ZI, FUNC2); /* P2_4: UART3_RXD */
Chip_UART_IntEnable(LPC_USART3, UART_IER_RBRINT);
NVIC_EnableIRQ(USART3_IRQn);
RingBuffer_Init(uarts[2].rrb, rxbuf[2], 1, UART_BUF_SIZE);
RingBuffer_Init(uarts[2].trb, txbuf[2], 1, UART_BUF_SIZE);
}
void Board_UART_Init(uint32_t baudrate) {
Chip_IOCON_PinMuxSet(LPC_IOCON, UART_RX_IOCON, (IOCON_FUNC1 | IOCON_MODE_INACT)); // Rx pin
Chip_IOCON_PinMuxSet(LPC_IOCON, UART_TX_IOCON, (IOCON_FUNC1 | IOCON_MODE_INACT)); // Tx Pin
Chip_UART_Init(LPC_USART);
Chip_UART_SetBaud(LPC_USART, baudrate);
Chip_UART_ConfigData(LPC_USART, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS));
Chip_UART_SetupFIFOS(LPC_USART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_USART);
}
void configurar_UART(void)
{
Chip_SCU_PinMux(7,1,MD_PDN,FUNC6);
Chip_SCU_PinMux(7,2,MD_PLN|MD_EZI|MD_ZI, FUNC6);
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2, 9600);
Chip_UART_SetupFIFOS(LPC_USART2, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART2);
}
void initUSART_USB(uint32_t baud){
/* Configuracion del Sistem Control Unit, para hacer uso de USB*/
Chip_SCU_PinMux(UM_PORT7,PIN_RX_U2, MD_PLN | MD_EZI | MD_ZI, FUNC6);
Chip_SCU_PinMux(UM_PORT7,PIN_TX_U2, MD_PLN, FUNC6);
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2, baud);
Chip_UART_SetupFIFOS(LPC_USART2, UART_FCR_FIFO_EN | UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART2);
}
/* UART port init routine */
static void UCOM_UartInit(int i)
{
/* Pin-muxing done in board init. */
//Init_UART_PinMux();
if(i==1)
{
Chip_UART_Init(LPC_UART0);
Chip_UART_SetBaud(LPC_UART0, 115200);
Chip_UART_ConfigData(LPC_UART0, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(LPC_UART0, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_UART0);
/* Enable receive data and line status interrupt */
Chip_UART_IntEnable(LPC_UART0, (UART_IER_RBRINT | UART_IER_RLSINT));
/* Enable Interrupt for UART channel */
/* Priority = 1 */
NVIC_SetPriority(UART0_IRQn, 1);
/* Enable Interrupt for UART channel */
}
if(i==2)
{
Chip_UART_Init(LPC_UART2);
Chip_UART_SetBaud(LPC_UART2, 115200);
Chip_UART_ConfigData(LPC_UART2, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(LPC_UART2, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_UART2);
/* Enable receive data and line status interrupt */
Chip_UART_IntEnable(LPC_UART2, (UART_IER_RBRINT | UART_IER_RLSINT));
/* Enable Interrupt for UART channel */
/* Priority = 1 */
NVIC_SetPriority(UART2_IRQn, 1);
/* Enable Interrupt for UART channel */
}
}
/*==================[external functions definition]==========================*/
extern ciaaDevices_deviceType * ciaaDriverUart_open(char const * path, ciaaDevices_deviceType * device, uint8_t const oflag)
{
/* Restart FIFOS: set Enable, Reset content, set trigger level */
Chip_UART_SetupFIFOS((LPC_USART_T *)device->loLayer, UART_FCR_FIFO_EN | UART_FCR_TX_RS | UART_FCR_RX_RS | UART_FCR_TRG_LEV0);
/* dummy read */
Chip_UART_ReadByte((LPC_USART_T *)device->loLayer);
/* enable rx interrupt */
Chip_UART_IntEnable((LPC_USART_T *)device->loLayer, UART_IER_RBRINT);
return device;
}
/* Initialize debug output via UART for board */
void Board_Debug_Init(void)
{
#if defined(DEBUG_ENABLE)
Board_UART_Init();
/* Setup UART for 115.2K8N1 */
Chip_UART_Init(LPC_USART);
Chip_UART_SetBaud(LPC_USART, 115200);
Chip_UART_ConfigData(LPC_USART, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(LPC_USART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_USART);
#endif
}
static void ciaaDriverUart_hwInit(void)
{
/* UART0 (RS485/Profibus) */
Chip_UART_Init(LPC_USART0);
Chip_UART_SetBaud(LPC_USART0, 115200);
Chip_UART_SetupFIFOS(LPC_USART0, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART0);
Chip_SCU_PinMux(9, 5, MD_PDN, FUNC7); /* P9_5: UART0_TXD */
Chip_SCU_PinMux(9, 6, MD_PLN|MD_EZI|MD_ZI, FUNC7); /* P9_6: UART0_RXD */
Chip_UART_SetRS485Flags(LPC_USART0, UART_RS485CTRL_DCTRL_EN | UART_RS485CTRL_OINV_1);
Chip_SCU_PinMux(6, 2, MD_PDN, FUNC2); /* P6_2: UART0_DIR */
/* UART2 (USB-UART) */
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2, 115200);
Chip_UART_SetupFIFOS(LPC_USART2, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART2);
Chip_SCU_PinMux(7, 1, MD_PDN, FUNC6); /* P7_1: UART2_TXD */
Chip_SCU_PinMux(7, 2, MD_PLN|MD_EZI|MD_ZI, FUNC6); /* P7_2: UART2_RXD */
/* UART3 (RS232) */
Chip_UART_Init(LPC_USART3);
Chip_UART_SetBaud(LPC_USART3, 115200);
Chip_UART_SetupFIFOS(LPC_USART3, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART3);
Chip_SCU_PinMux(2, 3, MD_PDN, FUNC2); /* P2_3: UART3_TXD */
Chip_SCU_PinMux(2, 4, MD_PLN|MD_EZI|MD_ZI, FUNC2); /* P2_4: UART3_RXD */
}
/* Initializes the pUART peripheral */
void Chip_UART_Init(LPC_USART_T *pUART)
{
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_UART0);
Chip_Clock_SetUARTClockDiv(1);
/* Enable FIFOs by default, reset them */
Chip_UART_SetupFIFOS(pUART, (UART_FCR_FIFO_EN | UART_FCR_RX_RS | UART_FCR_TX_RS));
/* Default 8N1, with DLAB disabled */
Chip_UART_ConfigData(pUART, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS));
/* Disable fractional divider */
pUART->FDR = 0x10;
}
void Inicializar_UART(void)
{
//Configuramos la función del pint de la UART2 para que se conecte con la FTDI P7_1 (tx) y P7_2 (rx)
Chip_SCU_PinMux(_PAQUETE_PIN_UART2,_PIN_UART2_TX, MD_PDN, FUNC6);
Chip_SCU_PinMux(_PAQUETE_PIN_UART2,_PIN_UART2_RX, MD_PLN|MD_EZI|MD_ZI, FUNC6);
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2,_BAUDRATE);
Chip_UART_SetupFIFOS(LPC_USART2, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
//El level 0 es para que cuando al fifo llegue un caracter lo mande, por ejemplo en lev3, esperaria 8 caracteres.
Chip_UART_TXEnable(LPC_USART2);
}
void InitUART(uint32_t BAUD)
{
/*P7_1 UART2 TXD*/
Chip_SCU_PinMux(UART2_PUERTO, UART2_PIN_TXD, MD_PDN,FUNC6);
/*P7_2 UART RXD*/
Chip_SCU_PinMux(UART2_PUERTO, UART2_PIN_RXD, MD_PLN|MD_EZI|MD_ZI,FUNC6);
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2, BAUD);
Chip_UART_SetupFIFOS(LPC_USART2, UART_FCR_FIFO_EN|UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART2);
}
/* UART port init routine */
static void UCOM_UartInit(void)
{
/* Board specific muxing */
Init_UART_PinMux();
Chip_UART_Init(LPC_USART);
Chip_UART_SetBaud(LPC_USART, 115200);
Chip_UART_ConfigData(LPC_USART, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(LPC_USART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_USART);
/* Enable receive data and line status interrupt */
Chip_UART_IntEnable(LPC_USART, (UART_IER_RBRINT | UART_IER_RLSINT));
/* Enable Interrupt for UART channel */
/* Priority = 1 */
NVIC_SetPriority(UART0_IRQn, 1);
/* Enable Interrupt for UART channel */
NVIC_EnableIRQ(UART0_IRQn);
}
void uart_init(void)
{
/* Board specific muxing */
uart_pinmux();
Chip_UART_Init(LPC_USART);
Chip_UART_SetBaudFDR(LPC_USART, 115200);
Chip_UART_ConfigData(LPC_USART, (UART_LCR_WLEN8 | UART_LCR_SBS_1BIT));
Chip_UART_SetupFIFOS(LPC_USART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2));
Chip_UART_TXEnable(LPC_USART);
RingBuffer_Init(&uart_rxrb, uart_rxdata, 1, UART_RX_BUF_SZ);
RingBuffer_Init(&uart_txrb, uart_txdata, 1, UART_TX_BUF_SZ);
/* Enable receive data and line status interrupt */
Chip_UART_IntEnable(LPC_USART, (UART_IER_RBRINT | UART_IER_RLSINT));
/* Enable Interrupt for UART channel */
/* Priority = 1 */
NVIC_SetPriority(UART0_IRQn, 1);
/* Enable Interrupt for UART channel */
NVIC_EnableIRQ(UART0_IRQn);
}
void UART_Init(void)
{
struct __serial_info *serial = (struct __serial_info *)(get_S2E_Packet_pointer()->serial_info);
/* Setup UART for 115.2K8N1 */
Chip_UART_Init(LPC_USART);
serial_info_init(serial);
Chip_UART_SetupFIFOS(LPC_USART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV3));
Chip_UART_TXEnable(LPC_USART);
/* Before using the ring buffers, initialize them using the ring
buffer init function */
RingBuffer_Init(&rxring, rxbuff, 1, UART_RRB_SIZE);
RingBuffer_Init(&txring, txbuff, 1, UART_SRB_SIZE);
/* Enable receive data and line status interrupt */
Chip_UART_IntEnable(LPC_USART, (UART_IER_RBRINT | UART_IER_RLSINT));
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(UART0_IRQn, 1);
NVIC_EnableIRQ(UART0_IRQn);
}
/** \brief TODO init_UART_FTDI_EDUCIAA Initialization method */
uint8_t init_UART_FTDI_EDUCIAA(void)
{
/** \details
* TODO description init_UART_FTDI_EDUCIAA
*
* \param none
*
* \return uint8_t: TBD (to support errors in the init function)
* */
/** UART2 (USB-UART) */
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2, 115200);
Chip_UART_SetupFIFOS(LPC_USART2, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART2);
Chip_SCU_PinMux(7, 1, MD_PDN, FUNC6); /* P7_1: UART2_TXD */
Chip_SCU_PinMux(7, 2, MD_PLN|MD_EZI|MD_ZI, FUNC6); /* P7_2: UART2_RXD */
return TRUE;
}
/** \brief Main function
*
* This is the main entry point of the software.
*
* \returns 0
*
* \remarks This function never returns. Return value is only to avoid compiler
* warnings or errors.
*/
int main(void)
{
/*Put initializations in a separate function hw_init(void) or something like that...*/
Chip_SCU_PinMux(1,0,MD_PUP|MD_EZI|MD_ZI,FUNC0); /* GPIO0[4], SW1 */
Chip_SCU_PinMux(1,1,MD_PUP|MD_EZI|MD_ZI,FUNC0); /* GPIO0[8], SW2 */
Chip_SCU_PinMux(1,2,MD_PUP|MD_EZI|MD_ZI,FUNC0); /* GPIO0[9], SW3 */
Chip_SCU_PinMux(1,6,MD_PUP|MD_EZI|MD_ZI,FUNC0); /* GPIO1[9], SW4 */
Chip_GPIO_SetDir(LPC_GPIO_PORT, 0,(1<<4)|(1<<8)|(1<<9),0);
Chip_GPIO_SetDir(LPC_GPIO_PORT, 1,(1<<9),0);
/* LEDs */
Chip_SCU_PinMux(2,0,MD_PUP,FUNC4); /* GPIO5[0], LED0R */
Chip_SCU_PinMux(2,1,MD_PUP,FUNC4); /* GPIO5[1], LED0G */
Chip_SCU_PinMux(2,2,MD_PUP,FUNC4); /* GPIO5[2], LED0B */
Chip_SCU_PinMux(2,10,MD_PUP,FUNC0); /* GPIO0[14], LED1 */
Chip_SCU_PinMux(2,11,MD_PUP,FUNC0); /* GPIO1[11], LED2 */
Chip_SCU_PinMux(2,12,MD_PUP,FUNC0); /* GPIO1[12], LED3 */
Chip_GPIO_SetDir(LPC_GPIO_PORT, 5,(1<<0)|(1<<1)|(1<<2),1);
Chip_GPIO_SetDir(LPC_GPIO_PORT, 0,(1<<14),1);
Chip_GPIO_SetDir(LPC_GPIO_PORT, 1,(1<<11)|(1<<12),1);
Chip_GPIO_ClearValue(LPC_GPIO_PORT, 5,(1<<0)|(1<<1)|(1<<2));
Chip_GPIO_ClearValue(LPC_GPIO_PORT, 0,(1<<14));
Chip_GPIO_ClearValue(LPC_GPIO_PORT, 1,(1<<11)|(1<<12));
/*Hardware GPIO initialization (leds, buttons ...)*/
/*UART initialization*/
/* UART0 (RS485/Profibus) */
Chip_UART_Init(LPC_USART0);
Chip_UART_SetBaud(LPC_USART0, 115200);
Chip_UART_SetupFIFOS(LPC_USART0, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART0);
Chip_SCU_PinMux(9, 5, MD_PDN, FUNC7); /* P9_5: UART0_TXD */
Chip_SCU_PinMux(9, 6, MD_PLN|MD_EZI|MD_ZI, FUNC7); /* P9_6: UART0_RXD */
Chip_UART_SetRS485Flags(LPC_USART0, UART_RS485CTRL_DCTRL_EN | UART_RS485CTRL_OINV_1);
Chip_SCU_PinMux(6, 2, MD_PDN, FUNC2); /* P6_2: UART0_DIR */
/* UART2 (USB-UART) */
Chip_UART_Init(LPC_USART2);
Chip_UART_SetBaud(LPC_USART2, 115200);
Chip_UART_SetupFIFOS(LPC_USART2, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART2);
Chip_SCU_PinMux(7, 1, MD_PDN, FUNC6); /* P7_1: UART2_TXD */
Chip_SCU_PinMux(7, 2, MD_PLN|MD_EZI|MD_ZI, FUNC6); /* P7_2: UART2_RXD */
/* UART3 (RS232) */
Chip_UART_Init(LPC_USART3);
Chip_UART_SetBaud(LPC_USART3, 115200);
Chip_UART_SetupFIFOS(LPC_USART3, UART_FCR_FIFO_EN | UART_FCR_TRG_LEV0);
Chip_UART_TXEnable(LPC_USART3);
Chip_SCU_PinMux(2, 3, MD_PDN, FUNC2); /* P2_3: UART3_TXD */
Chip_SCU_PinMux(2, 4, MD_PLN|MD_EZI|MD_ZI, FUNC2); /* P2_4: UART3_RXD */
/*Chip_UART_IntDisable((LPC_USART_T *)LPC_USART2, UART_IER_THREINT);*/
/* this one calls write */
/*ciaaDriverUart_txConfirmation(device);*/
/* enable THRE irq (TX) */
/* Chip_UART_IntEnable((LPC_USART_T *)LPC_USART2, UART_IER_THREINT);*/
uint64_t j;
uint8_t size = 28;
uint8_t i = 0;
uint8_t data = 0;
char message[] = "Follow the white rabbit...\n\r";
/* just send the F ...! */
/* Chip_UART_Send((LPC_USART_T *) LPC_USART2, message, index); */
/*looking for a 'a' character*/
/* perform the needed initialization here */
while(1) {
/* do nothing */
data = i = 0;
/*wait for keyboard character*/
while (data == 0)
{
data = Chip_UART_ReadByte((LPC_USART_T *)LPC_USART2);
switch (data){
case 'r':
/*Toggle Red Led*/
Chip_GPIO_SetPortToggle(LPC_GPIO_PORT,LED2_PORT,LED_2);
break;
case 'v':
/*Toggle Green Led*/
Chip_GPIO_SetPortToggle(LPC_GPIO_PORT,LED3_PORT,LED_3);
break;
case 'a':
/*Toggle Yellow Led*/
Chip_GPIO_SetPortToggle(LPC_GPIO_PORT,LED1_PORT,LED_1);
break;
default:
data = 0;
}
}
/*Send string*/
while(((Chip_UART_ReadLineStatus((LPC_USART_T *)LPC_USART2) & UART_LSR_THRE) != 0) && (i < size))
{
/* send first byte */
Chip_UART_SendByte((LPC_USART_T *)LPC_USART2, message[i]);
/* bytes written */
/*delay*/
for (j=0;j<50000;j++){
asm ("nop");
}
i++;
}
}
return 0;
}
/* clear UART rx ringbuffer */
void UART_FlushRxRB(void)
{
Chip_UART_SetupFIFOS(LPC_USART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2 | UART_FCR_RX_RS));
RingBuffer_Flush(&uart_rxrb);
}
/**
* @brief Main UART program body
* @return Always returns -1
*/
int main(void)
{
FlagStatus exitflag;
uint8_t buffer[10];
int ret = 0;
int len;
SystemCoreClockUpdate();
Board_Init();
Board_UART_Init(LPC_UART);
#if !((defined(CHIP_LPC43XX) && defined(BOARD_KEIL_MCB_18574357) && UARTNum==3) || ((!(defined(CHIP_LPC43XX) && defined(BOARD_KEIL_MCB_18574357))) && UARTNum==0))
Chip_UART_Init(LPC_UART);
Chip_UART_SetBaud(LPC_UART, 115200);
Chip_UART_ConfigData(LPC_UART, UART_LCR_WLEN8 | UART_LCR_SBS_1BIT); /* Default 8-N-1 */
/* Enable UART Transmit */
Chip_UART_TXEnable(LPC_UART);
#endif
/* Reset FIFOs, Enable FIFOs and DMA mode in UART */
Chip_UART_SetupFIFOS(LPC_UART, (UART_FCR_FIFO_EN | UART_FCR_RX_RS |
UART_FCR_TX_RS | UART_FCR_DMAMODE_SEL | UART_FCR_TRG_LEV0));
/* Enable UART End of Auto baudrate & Auto baudrate timeout interrupts */
Chip_UART_IntEnable(LPC_UART, (UART_IER_ABEOINT | UART_IER_ABTOINT));
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(UARTx_IRQn, 1);
/* Enable Interrupt for UART0 channel */
NVIC_EnableIRQ(UARTx_IRQn);
/* Send UART Autobaud completed message */
Chip_UART_SendBlocking(LPC_UART, uartABStart, sizeof(uartABStart));
/* ---------------------- Auto baud rate section ----------------------- */
/* Start auto baudrate mode */
Chip_UART_ABCmd(LPC_UART, UART_ACR_MODE0, true, ENABLE);
/* Loop until auto baudrate mode complete */
while (Chip_UART_GetABEOStatus(LPC_UART) == RESET) {}
/* Send UART Autobaud completed message */
Chip_UART_SendBlocking(LPC_UART, uartABComplete, sizeof(uartABComplete));
/* Disable UART Interrupt */
NVIC_DisableIRQ(UARTx_IRQn);
/* Print welcome screen */
Print_Menu_Polling();
exitflag = RESET;
/* Read some data from the buffer */
while (exitflag == RESET) {
len = 0;
while (len == 0) {
len = Chip_UART_Read(LPC_UART, buffer, 1);
}
if (buffer[0] == 27) {
/* ESC key, set exit flag */
Chip_UART_SendBlocking(LPC_UART, uartPolling_menu3, sizeof(uartPolling_menu3));
ret = -1;
exitflag = SET;
}
else if (buffer[0] == 'c') {
Chip_UART_SendBlocking(LPC_UART, uartPolling_menu4, sizeof(uartPolling_menu4));
len = 0;
while (len == 0) {
len = Chip_UART_Read(LPC_UART, buffer, sizeof(buffer));
if ((buffer[0] != '1') && (buffer[0] != '2') && (buffer[0] != '3')) {
len = 0;
}
}
switch (buffer[0]) {
case '1': /* Polling Mode */
Chip_UART_SendBlocking(LPC_UART, uartPolling_menu5, sizeof(uartPolling_menu5));
break;
case '2': /* Interrupt Mode */
ret = 2;
/* Exitflag = SET; */
App_Interrupt_Test();
Print_Menu_Polling();
break;
case '3': /* DMA mode */
ret = 3;
App_DMA_Test();
Print_Menu_Polling();
break;
}
}
}
/* Wait for current transmission complete - THR must be empty */
while (Chip_UART_CheckBusy(LPC_UART) == SET) {}
/* DeInitialize UART0 peripheral */
Chip_UART_DeInit(LPC_UART);
return ret;
}
/* clear UART tx ringbuffer */
void uart_flush_txrb(void)
{
Chip_UART_SetupFIFOS(LPC_USART, (UART_FCR_FIFO_EN | UART_FCR_TRG_LEV2 | UART_FCR_TX_RS));
RingBuffer_Flush(&uart_txrb);
}
