zhongxuanzhen
1c6ff020e9
删除内容： - 删除OLED显示相关代码（u8g2库、I2C接口） - 删除按键输入相关代码（key.c） - 删除菜单系统（MultMenu整个目录） - 删除USB CDC功能（USB_DEVICE目录） - 删除旧的E32演示代码（e32_demo.c/h） 保留内容： - Driver_RF433核心驱动（已封装完整） - rf433_tx_app.c（TX应用层，独立无UI依赖） - rf433_rx_app.c（RX应用层，独立无UI依赖） - GPIO LED指示功能（LED_TX/LED_RX）
510 lines
12 KiB
C
510 lines
12 KiB
C
/**
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******************************************************************************
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* @file rf433_hal.c
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* @brief RF433硬件抽象层实现
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* @note 基于原e32_hal.c重构，保持与原版设备兼容
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******************************************************************************
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*/
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#include "rf433_hal.h"
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/* 与单片机平台相关 */
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#include "main.h"
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#include "gpio.h"
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#include "usart.h"
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/* ============================================================================
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* 私有变量
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* ============================================================================ */
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static bool rf433_hal_initialized = false;
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/* FIFO缓冲区 */
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static uint8_t rf433_fifo_buffer[1024];
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static volatile uint32_t rf433_fifo_head = 0;
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static volatile uint32_t rf433_fifo_tail = 0;
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static volatile uint32_t rf433_fifo_count = 0;
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#define RF433_FIFO_SIZE 1024
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/* ============================================================================
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* 私有FIFO函数
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* ============================================================================ */
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/**
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* @brief FIFO写入数据
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*/
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static rf433_hal_error_t rf433_fifo_write(const uint8_t *data, uint16_t length)
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{
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uint16_t i;
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if (data == NULL || length == 0)
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{
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return RF433_HAL_ERROR_INVALID_PARAM;
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}
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for (i = 0; i < length; i++)
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{
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if (rf433_fifo_count >= RF433_FIFO_SIZE)
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{
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return RF433_HAL_ERROR;
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}
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rf433_fifo_buffer[rf433_fifo_head] = data[i];
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rf433_fifo_head = (rf433_fifo_head + 1) % RF433_FIFO_SIZE;
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rf433_fifo_count++;
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}
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return RF433_HAL_OK;
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}
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/**
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* @brief FIFO读取数据
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*/
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static rf433_hal_error_t rf433_fifo_read(uint8_t *data, uint16_t length, uint16_t *actual_length)
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{
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uint16_t i;
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if (data == NULL || length == 0 || actual_length == NULL)
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{
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return RF433_HAL_ERROR_INVALID_PARAM;
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}
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if (rf433_fifo_count == 0)
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{
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*actual_length = 0;
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return RF433_HAL_ERROR;
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}
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*actual_length = 0;
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for (i = 0; i < length && rf433_fifo_count > 0; i++)
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{
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data[i] = rf433_fifo_buffer[rf433_fifo_tail];
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rf433_fifo_tail = (rf433_fifo_tail + 1) % RF433_FIFO_SIZE;
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rf433_fifo_count--;
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(*actual_length)++;
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}
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return RF433_HAL_OK;
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}
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/**
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* @brief 获取FIFO数据长度
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*/
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static rf433_hal_error_t rf433_fifo_get_length(uint16_t *length)
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{
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if (length == NULL)
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{
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return RF433_HAL_ERROR_INVALID_PARAM;
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}
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*length = rf433_fifo_count;
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return RF433_HAL_OK;
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}
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/**
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* @brief 清空FIFO
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*/
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static rf433_hal_error_t rf433_fifo_clear(void)
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{
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rf433_fifo_head = 0;
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rf433_fifo_tail = 0;
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rf433_fifo_count = 0;
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return RF433_HAL_OK;
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}
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/* UART接收相关变量 */
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uint8_t rf433_uart_rx_tmp;
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static volatile uint32_t rf433_uart_rx_timeout = 0;
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static volatile bool rf433_uart_rx_done = false;
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/* ============================================================================
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* 公共函数实现
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* ============================================================================ */
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/**
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* @brief 初始化硬件抽象层
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*/
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rf433_hal_error_t rf433_hal_init(void)
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{
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/* 检查是否已初始化 */
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if (rf433_hal_initialized)
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{
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return RF433_HAL_ERROR;
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}
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/* 初始化FIFO */
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rf433_fifo_head = 0;
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rf433_fifo_tail = 0;
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rf433_fifo_count = 0;
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rf433_hal_initialized = true;
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return RF433_HAL_OK;
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}
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/**
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* @brief 反初始化硬件抽象层
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*/
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rf433_hal_error_t rf433_hal_deinit(void)
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{
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/* 检查是否已初始化 */
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if (!rf433_hal_initialized)
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{
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return RF433_HAL_ERROR;
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}
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rf433_hal_initialized = false;
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return RF433_HAL_OK;
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}
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/**
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* @brief UART发送数据（基于原e32_hal_uart_tx）
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*/
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rf433_hal_error_t rf433_hal_uart_tx(uint8_t *buffer, uint16_t length)
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{
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HAL_StatusTypeDef ret;
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/* 参数检查 */
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if (buffer == NULL || length == 0)
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{
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return RF433_HAL_ERROR_INVALID_PARAM;
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}
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/* 发送数据 */
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ret = HAL_UART_Transmit(&huart1, buffer, length, 0xFFFF);
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if (ret != HAL_OK)
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{
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return RF433_HAL_ERROR_TIMEOUT;
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}
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return RF433_HAL_OK;
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}
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/**
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* @brief UART接收回调（由中断调用）
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*/
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void rf433_hal_uart_rx_callback(uint8_t *data, uint16_t length)
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{
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/* 写入FIFO */
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rf433_fifo_write(data, length);
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/* 设置超时 */
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rf433_uart_rx_timeout = 10;
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}
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/**
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* @brief 等待AUX引脚变为空闲（基于原e32_hal_aux_wait）
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*/
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rf433_hal_error_t rf433_hal_aux_wait(void)
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{
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#if RF433_USE_GPIO_AUX
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uint32_t start_time;
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/* 等待AUX引脚变为高电平 */
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if (HAL_GPIO_ReadPin(AUX_GPIO_Port, AUX_Pin) == GPIO_PIN_RESET)
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{
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/* 等到模块的AUX信号由忙变为空闲 */
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start_time = HAL_GetTick();
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while (HAL_GPIO_ReadPin(AUX_GPIO_Port, AUX_Pin) == GPIO_PIN_RESET)
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{
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/* 检查超时 */
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if ((HAL_GetTick() - start_time) >= RF433_AUX_TIMEOUT)
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{
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return RF433_HAL_ERROR_TIMEOUT;
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}
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}
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/* 此时是检测到AUX信号有上升沿，需要再等待1~2ms */
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HAL_Delay(2);
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}
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#else
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/* 不使用AUX引脚，使用延时等待 */
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HAL_Delay(30);
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#endif
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return RF433_HAL_OK;
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}
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/**
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* @brief 设置工作模式（基于原e32_hal_work_mode）
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*/
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rf433_hal_error_t rf433_hal_set_work_mode(rf433_work_mode_t mode)
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{
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rf433_hal_error_t ret;
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#if RF433_USE_GPIO_AUX
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/* 等待模块空闲 */
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ret = rf433_hal_aux_wait();
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if (ret != RF433_HAL_OK)
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{
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return ret;
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}
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#endif
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/* 设置M0和M1引脚 */
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switch (mode)
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{
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/* 模式0：一般模式 (M0=0 M1=0) */
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case RF433_WORK_MODE_TRANSPARENT:
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HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_RESET);
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break;
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/* 模式1：唤醒模式 (M0=1 M1=0) */
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case RF433_WORK_MODE_WAKE_ON_RADIO_MASTER:
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HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_RESET);
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break;
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/* 模式2：省电模式 (M0=0 M1=1) */
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case RF433_WORK_MODE_WAKE_ON_RADIO_SLAVE:
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HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_SET);
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break;
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/* 模式3：配置模式 (M0=1 M1=1) */
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case RF433_WORK_MODE_CONFIG_AND_SLEEP:
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HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_SET);
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break;
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default:
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return RF433_HAL_ERROR_INVALID_PARAM;
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}
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#if RF433_USE_GPIO_AUX
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/* 切换模式后，模块的AUX信号不会立即变为低电平，需要等待一段时间再进行检测 */
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HAL_Delay(5);
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ret = rf433_hal_aux_wait();
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if (ret != RF433_HAL_OK)
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{
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return ret;
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}
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#else
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/* 这里保留一定延时，确保模式切换完成 */
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HAL_Delay(50);
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#endif
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return RF433_HAL_OK;
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}
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/**
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* @brief 复位模块（基于原e32_hal_reset）
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*/
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rf433_hal_error_t rf433_hal_reset(void)
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{
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/* 拉低复位引脚 */
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HAL_GPIO_WritePin(RESET_GPIO_Port, RESET_Pin, GPIO_PIN_RESET);
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HAL_Delay(1);
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/* 拉高复位引脚 */
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HAL_GPIO_WritePin(RESET_GPIO_Port, RESET_Pin, GPIO_PIN_SET);
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#if RF433_USE_GPIO_AUX
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/* 注意：硬件复位时，可能会出现AUX引脚输出低电平，需要等待一段时间再开启AUX检测 */
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HAL_Delay(10);
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return rf433_hal_aux_wait();
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#else
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/* E32-V2 (V8.2) 版本 */
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HAL_Delay(30);
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return RF433_HAL_OK;
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#endif
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}
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/**
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* @brief 写入FIFO
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*/
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rf433_hal_error_t rf433_hal_fifo_write(const uint8_t *data, uint16_t length)
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{
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return rf433_fifo_write(data, length);
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}
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/**
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* @brief 读取FIFO
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*/
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rf433_hal_error_t rf433_hal_fifo_read(uint8_t *data, uint16_t length, uint16_t *actual_length)
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{
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return rf433_fifo_read(data, length, actual_length);
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}
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/**
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* @brief 获取FIFO数据长度
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*/
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rf433_hal_error_t rf433_hal_fifo_get_length(uint16_t *length)
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{
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return rf433_fifo_get_length(length);
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}
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/**
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* @brief 清空FIFO
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*/
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rf433_hal_error_t rf433_hal_fifo_clear(void)
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{
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return rf433_fifo_clear();
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}
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/**
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* @brief 1ms定时器回调（用于超时检测）
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*/
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void rf433_hal_1ms_callback(void)
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{
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/* UART接收超时检测 */
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if (rf433_uart_rx_timeout > 0)
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{
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rf433_uart_rx_timeout--;
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if (rf433_uart_rx_timeout == 0)
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{
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rf433_uart_rx_done = true;
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}
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}
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}
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/* ============================================================================
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* UART中断回调（需要在stm32f1xx_it.c中调用）
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* ============================================================================ */
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/**
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* @brief UART接收完成回调
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* @note 此函数需要在HAL_UART_RxCpltCallback中调用
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*/
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void rf433_hal_uart_rxcplt_callback(void)
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{
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uint8_t data;
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/* 读取接收到的数据 */
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data = huart1.Instance->DR;
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/* 写入FIFO */
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rf433_fifo_write(&data, 1);
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/* 设置超时 */
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rf433_uart_rx_timeout = 10;
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/* 重新启动接收 */
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HAL_UART_Receive_IT(&huart1, &rf433_uart_rx_tmp, 1);
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}
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/* ============================================================================
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* 兼容函数（用于保持与原代码的兼容性）
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* ============================================================================ */
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/**
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* @brief UART接收超时1ms回调（兼容原uart1_rx_timeout_1ms_callback）
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* @note 此函数需要在1ms定时器中断中调用
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*/
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void uart1_rx_timeout_1ms_callback(void)
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{
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/* 调用RF433模块的1ms回调 */
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rf433_hal_1ms_callback();
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}
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/**
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* @brief UART等待响应（阻塞模式，兼容原uart1_wait_response_blocked）
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* @param buffer 数据缓冲区
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* @param length 数据长度输出
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* @note 与main.h中的声明保持一致，返回void
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*/
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void uart1_wait_response_blocked(uint8_t *buffer, uint16_t *length)
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{
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uint32_t start_time;
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uint16_t fifo_length;
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rf433_hal_error_t ret;
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/* 参数检查 */
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if (buffer == NULL || length == NULL)
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{
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return;
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}
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/* 等待数据 */
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start_time = HAL_GetTick();
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while (true)
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{
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ret = rf433_hal_fifo_get_length(&fifo_length);
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if (ret != RF433_HAL_OK)
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{
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return;
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}
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if (fifo_length > 0)
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{
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break;
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}
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/* 检查超时 */
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if ((HAL_GetTick() - start_time) >= 1000)
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{
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return;
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}
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HAL_Delay(1);
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}
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/* 读取数据 */
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ret = rf433_hal_fifo_read(buffer, 255, length);
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if (ret != RF433_HAL_OK)
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{
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return;
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}
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}
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/**
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* @brief UART检查接收完成（兼容原uart1_check_rx_done）
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* @param buffer 数据缓冲区
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* @param length 数据长度输出（uint32_t*，与main.h中的声明保持一致）
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* @return true 接收到数据
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* false 无数据
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*/
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bool uart1_check_rx_done(uint8_t *buffer, uint32_t *length)
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{
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rf433_hal_error_t ret;
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uint16_t fifo_length;
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/* 参数检查 */
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if (buffer == NULL || length == NULL)
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{
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return false;
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}
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/* 检查超时标志 */
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if (!rf433_uart_rx_done)
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{
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return false;
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}
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/* 获取FIFO长度 */
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ret = rf433_hal_fifo_get_length(&fifo_length);
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if (ret != RF433_HAL_OK)
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{
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return false;
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}
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/* 检查是否有数据 */
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if (fifo_length == 0)
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{
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return false;
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}
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/* 读取数据 */
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ret = rf433_hal_fifo_read(buffer, 255, (uint16_t*)length);
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if (ret != RF433_HAL_OK)
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{
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return false;
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}
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/* 清除超时标志 */
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rf433_uart_rx_done = false;
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return true;
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}
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/**
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* @brief 检查接收完成标志（用于RF433应用层）
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* @return true 接收完成
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* false 接收未完成
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*/
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bool rf433_hal_check_rx_done(void)
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{
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return rf433_uart_rx_done;
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}
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