int32_t Board_UART_getChar(LPC_USART_T *pUART)
{
if (Chip_UART_ReadLineStatus(pUART) & UART_LSR_RDR) {
return (int32_t)Chip_UART_ReadByte(pUART);
}
return -1;
}
void UART0_IRQHandler (void)
{
uint8_t status = Chip_UART_ReadLineStatus(LPC_USART0);
if(status & UART_LSR_RDR)
{
if(uart0RxBufferData.index<uart0RxBufferData.size)
{
uart0RxBufferData.buffer[uart0RxBufferData.index] = Chip_UART_ReadByte(LPC_USART0);
if(uart0RxBufferData.timeout==0)
{
if(uart0RxBufferData.buffer[uart0RxBufferData.index]==uart0RxBufferData.finalByte)
{
uart0RxBufferData.flagNewPacket=1;
//Board_UARTPutSTR("entro paquete por byte final!:");
//Board_UARTPutSTR(uart0RxBufferData.buffer);
}
}
else
{
uart3RxBufferData.timeoutCounter=uart3RxBufferData.timeout;
}
uart3RxBufferData.index++;
}
else
uart3RxBufferData.flagNewPacket=1;
}
}
void __lpc1788_isr_uart4(void) {
while (UART_LSR_RDR & Chip_UART_ReadLineStatus(LPC_UART4)) {
read_byte = Chip_UART_ReadByte(LPC_UART4);
buf_uart.buffer[buf_uart.producer] = read_byte;
BUF_PRODUCER_PLUS1;
}
}
/* UART receive-only interrupt handler for ring buffers */
void Chip_UART_RXIntHandlerRB(LPC_USART_T *pUART, RINGBUFF_T *pRB)
{
/* New data will be ignored if data not popped in time */
while (Chip_UART_ReadLineStatus(pUART) & UART_LSR_RDR) {
uint8_t ch = Chip_UART_ReadByte(pUART);
RingBuffer_Insert(pRB, &ch);
}
}
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);
}
/* Gets a character from the UART, returns EOF if no character is ready */
int Board_UARTGetChar(void)
{
#if defined(DEBUG_UART)
if (Chip_UART_ReadLineStatus(DEBUG_UART) & UART_LSR_RDR) {
return (int) Chip_UART_ReadByte(DEBUG_UART);
}
#endif
return EOF;
}
//================================================[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);
}
/*==================[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;
}
/* Read data through the UART peripheral (non-blocking) */
int Chip_UART_Read(LPC_USART_T *pUART, void *data, int numBytes)
{
int readBytes = 0;
uint8_t *p8 = (uint8_t *) data;
/* Send until the transmit FIFO is full or out of bytes */
while ((readBytes < numBytes) &&
((Chip_UART_ReadLineStatus(pUART) & UART_LSR_RDR) != 0)) {
*p8 = Chip_UART_ReadByte(pUART);
p8++;
readBytes++;
}
return readBytes;
}
uint8_t UARTUSB_Rx_readByte(){
uint8_t dato = Chip_UART_ReadByte(LPC_USART2);
return dato;
}
uint8_t ReadUART()
{
return Chip_UART_ReadByte((LPC_USART_T*)LPC_USART2);
}
uint8_t readByte_UART_USB_EDUCIAA()
{
return Chip_UART_ReadByte((LPC_USART_T *)LPC_USART2);
}
/** \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;
}
char recibir_UART(void)
{
Chip_UART_ReadByte(LPC_USART2);
return data_r;
}
uint8_t LeerByte_UART(void)
{
Chip_UART_ReadByte(LPC_USART2);
}
/* Přerušení..
* UART0 - Konfigurace mac/ip adresy
* UART2 - Pro konektory J4 - 5 na desce
* UART4 - Pro debug test (konektory J6 - 7)
*
* Přijímání dat po bajtu od zařízení JN5148 a ukládání
* do kruhového bufferu.
*/
void __lpc1788_isr_uart0(void) {
while (UART_LSR_RDR & Chip_UART_ReadLineStatus(UART0)) {
eeprom_buffer[eeprom_lenght] = Chip_UART_ReadByte(UART0);
eeprom_lenght++;
}
}