shoes/chenjunchao/esb_ptx/bsp/bsp_uart.c

#include "bsp_uart.h"

#include "app_uart.h"

#if defined (UART_PRESENT)
#include "nrf_uart.h"
#endif
#if defined (UARTE_PRESENT)
#include "nrf_uarte.h"
#endif

#define UART_RX_PIN_NUMBER  8
#define UART_TX_PIN_NUMBER  6
#define UART_CTS_PIN_NUMBER 7
#define UART_RTS_PIN_NUMBER 5
#define UART_HWFC           APP_UART_FLOW_CONTROL_DISABLED
#define UART_TX_BUF_SIZE 256                         /**< UART TX buffer size. */
#define UART_RX_BUF_SIZE 256                         /**< UART RX buffer size. */

void uart_error_handle(app_uart_evt_t * p_event)
{
    if (p_event->evt_type == APP_UART_COMMUNICATION_ERROR){
        APP_ERROR_HANDLER(p_event->data.error_communication);
    }
    else if (p_event->evt_type == APP_UART_FIFO_ERROR){
        APP_ERROR_HANDLER(p_event->data.error_code);
    }
}

void bsp_uart_init(void)
{
	uint32_t err_code;
	const app_uart_comm_params_t comm_params = 
	{
		UART_RX_PIN_NUMBER,
		UART_TX_PIN_NUMBER,
		UART_RTS_PIN_NUMBER,
		UART_CTS_PIN_NUMBER,
		UART_HWFC,
		false,
#if defined (UART_PRESENT)
		NRF_UART_BAUDRATE_115200
#else
		NRF_UARTE_BAUDRATE_115200
#endif
	};

	  APP_UART_FIFO_INIT(	 &comm_params,
                         UART_RX_BUF_SIZE,
                         UART_TX_BUF_SIZE,
                         uart_error_handle,
                         APP_IRQ_PRIORITY_LOWEST,
                         err_code);

    APP_ERROR_CHECK(err_code);
	#if DEBUG_EN
	printf("bsp_uart_init OK\r\n");
    #endif
}