/* 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);
}
/* Initialize debug output via UART for board */
void Board_Debug_Init(void)
{
#if defined(DEBUG_UART)
Board_UART_Init(DEBUG_UART);
Chip_UART_Init(DEBUG_UART);
Chip_UART_SetBaudFDR(DEBUG_UART, 115200);
Chip_UART_ConfigData(DEBUG_UART, UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS);
/* Enable UART Transmit */
Chip_UART_TXEnable(DEBUG_UART);
#endif
}
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);
}
