284 lines
6.7 KiB
C
284 lines
6.7 KiB
C
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/*----------------------------------------------*
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* 包含头文件 *
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*----------------------------------------------*/
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#include "bsp_dbg_uart.h"
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#include "cola_device.h"
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#include "cola_init.h"
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#include "cola_fifo.h"
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#include "shell_port.h"
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#include "sdk_project_config.h"
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#include <stdio.h>
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#include <string.h>
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/*----------------------------------------------*
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* 宏定义 *
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*----------------------------------------------*/
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#define DBG_UART_RX_BUF_LEN 256
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/*----------------------------------------------*
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* 枚举定义 *
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*----------------------------------------------*/
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/*----------------------------------------------*
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* 结构体定义 *
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*----------------------------------------------*/
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/*----------------------------------------------*
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* 全局变量 *
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*----------------------------------------------*/
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/** \var s_bsp_dbg_uart_dev
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* \brief debug uart的操作句柄
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*/
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static cola_device_t s_bsp_dbg_uart_dev;
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/** \var s_bsp_dbg_uart_rx_buf_handle
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* \brief debug uart rx ringbuf的操作句柄
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*/
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static cola_fifo_t s_bsp_dbg_uart_rx_buf_handle;
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/** \var s_bsp_dbg_uart_rx_buf
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* \brief debug uart rx ringbuf
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*/
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static uint8_t s_bsp_dbg_uart_rx_buf[DBG_UART_RX_BUF_LEN];
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/* Timeout in ms for blocking operations */
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#define TIMEOUT 500U
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/* Receive buffer size */
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#define BUFFER_SIZE 256U
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#define uart_instance uart_instance_lu1
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#define UART_PAL_CONFIG &LPUART_1_uart_pal_config0
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/* Buffer used to receive data from the console */
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uint8_t RX_buffer[BUFFER_SIZE];
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uint8_t bufferIdx;
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uint8_t recv_buf = 0;
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/** \var s_bsp_dbg_uart_dev
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* \brief debug uart的操作句柄
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*/
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static struct cola_device_ops bsp_dbg_uart_ops =
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{
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.open = bsp_dbg_uart_open,
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.close = bsp_dbg_uart_close,
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.write = bsp_dbg_uart_write,
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.read = bsp_dbg_uart_read
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};
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/*----------------------------------------------*
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* 函数原型说明 *
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*----------------------------------------------*/
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/* UART rx callback for continuous reception, byte by byte */
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void rxCallback(void *driverState, uart_event_t event, void *userData)
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{
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/* Unused parameters */
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(void)driverState;
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(void)userData;
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/* Check the event type */
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if (event == UART_EVENT_RX_FULL)
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{
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/* The reception stops when newline is received or the buffer is full */
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if ((RX_buffer[bufferIdx] != '\n') && (bufferIdx != (BUFFER_SIZE - 2U)))
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{
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/* Update the buffer index and the rx buffer */
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bufferIdx++;
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UART_SetRxBuffer(&uart_instance, &RX_buffer[bufferIdx], 1U);
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}
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}
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;
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}
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/**
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* @brief DBG USART RX IRQ callback
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* @param None
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* @return None
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*/
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static void bsp_dbg_uart_rx_irq_callback(void)
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{
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//uint8_t data = (uint8_t)USART_ReadData(DBG_USART_UNIT);
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//cola_fifo_write(&s_bsp_dbg_uart_rx_buf_handle, &data, 1);
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}
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/**
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* @brief debug uart open.
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* @param [in] cola_device_t *dev 设备操作句柄
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* @param [in] int oflag 无效参数
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* @return None
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*/
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int bsp_dbg_uart_open(cola_device_t *dev, int oflag)
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{
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// 初始化接收fifo
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cola_fifo_init(&s_bsp_dbg_uart_rx_buf_handle, s_bsp_dbg_uart_rx_buf, DBG_UART_RX_BUF_LEN);
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bsp_dbg_uart_init_uart();
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return 0;
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}
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/**
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* @brief debug uart close.
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* @param [in] cola_device_t *dev 设备操作句柄
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* @return None
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*/
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int bsp_dbg_uart_close(cola_device_t *dev)
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{
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bsp_dbg_uart_deinit_uart();
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// 清空数据
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cola_fifo_flush(&s_bsp_dbg_uart_rx_buf_handle);
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return 0;
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}
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/**
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*@brief 向串口写入数据
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*
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*@param cola_device_t *dev 设备句柄
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*@param int pos 操作类型
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*@param void *buffer 缓存空间
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*@param int size 缓存空间大小
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*
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*@return int 写入的结果
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*
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*/
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int bsp_dbg_uart_write(cola_device_t *dev, int pos, const void *buffer, int size)
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{
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if (!buffer || (size == 0))
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{
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return 0;
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}
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UART_SendDataBlocking(&uart_instance, buffer, size, TIMEOUT);
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return 0;
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}
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/**
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*@brief 从串口读取数据
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*
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*@param cola_device_t *dev 设备句柄
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*@param int pos 操作类型
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*@param void *buffer 缓存空间
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*@param int size 缓存空间大小
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*
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*@return int 读入的长度
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*
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*/
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int bsp_dbg_uart_read(cola_device_t *dev, int pos, void *buffer, int size)
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{
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status_t status;
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uint32_t bytesRemaining;
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UART_ReceiveData(&uart_instance, RX_buffer, 1U);
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}
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/**
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*@brief 串口初始化
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*
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*@param none
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*
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*@return none
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*
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*/
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void bsp_dbg_uart_init_uart(void)
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{
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UART_Init(&uart_instance, UART_PAL_CONFIG);
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#if 0
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LPUART_DRV_Init(INST_LPUART_0, &lpUartState0, &lpuart_0_InitConfig0);
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LPUART_DRV_InstallRxCallback(INST_LPUART_0, rxCallback, NULL);
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//printf("hello\r\n");
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#endif
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}
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/**
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*@brief 串口去初始化
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*
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*@param none
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*
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*@return none
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*
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*/
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void bsp_dbg_uart_deinit_uart(void)
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{
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}
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///* 锟截讹拷锟斤拷 _write */
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int _write(int fd, char *buf, int nbytes)
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{
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UART_SendDataBlocking(&uart_instance, buf, nbytes, TIMEOUT);
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//LPUART_DRV_SendDataBlocking(INST_LPUART_0, buf, nbytes, TIMEOUT);
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return nbytes;
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}
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void bsp_dbg_uart_read_uart(void)
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{
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/* Write your local variable definition here */
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status_t status;
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/* Declare a buffer used to store the received data */
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uint32_t bytesRemaining;
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/* Receive and store data byte by byte until new line character is received,
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* or the buffer becomes full (256 characters received)
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*/
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//LPUART_DRV_ReceiveData(INST_LPUART_0, RX_buffer, 1U);
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/* Wait for transfer to be completed */
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//while(LPUART_DRV_GetReceiveStatus(INST_LPUART_0, &bytesRemaining) == STATUS_BUSY);
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#if 0
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/* Check the status */
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status = LPUART_DRV_GetReceiveStatus(INST_LPUART_0, &bytesRemaining);
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if (status != STATUS_SUCCESS)
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{
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/* If an error occurred, send the error message and exit the loop */
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//LPUART_DRV_SendDataBlocking(INST_LPUART_0, (uint8_t *)errorMsg, strlen(errorMsg), TIMEOUT);
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//break;
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}
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/* Append string terminator to the received data */
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bufferIdx++;
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buffer[bufferIdx] = 0U;
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/* If the received string is "Hello Board", send back "Hello World" */
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if(strcmp((char *)buffer, "Hello Board\n") == 0)
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{
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strcpy((char *)buffer, "Hello World\n");
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}
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/* Send the received data back */
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LPUART_DRV_SendDataBlocking(INST_LPUART_0, buffer, bufferIdx, TIMEOUT);
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/* Reset the buffer index to start a new reception */
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bufferIdx = 0U;
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#endif
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}
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/**
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*@brief debug uart适配的挂载
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*
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*@param none
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*@return none
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*
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*/
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void bsp_dbg_uart_configuration(void)
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{
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s_bsp_dbg_uart_dev.name = "dbg_uart";
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s_bsp_dbg_uart_dev.dops = &bsp_dbg_uart_ops;
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cola_device_register(&s_bsp_dbg_uart_dev);
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}
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register_initcall(bsp_dbg_uart_configuration);
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