654 lines
15 KiB
C
654 lines
15 KiB
C
/**
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******************************************************************************
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* @file rf433.c
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* @brief RF433模块驱动主实现
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* @note 基于原e32_demo.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.h"
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#include "rf433_hal.h"
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#include <string.h>
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#include <stdio.h> // printf
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#include "stm32f1xx_hal.h"
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/* ============================================================================
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* 私有变量
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* ============================================================================ */
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static bool rf433_initialized = false;
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static rf433_register_t rf433_current_config;
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/* E32-433T30S 默认配置（与原register_default保持一致） */
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static const rf433_register_t rf433_default_config =
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{
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.register_1 = {
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.address_h = 0x00,
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},
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.register_2 = {
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.address_l = 0x00,
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},
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.register_3.field = {
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.radio_rate = RF433_RADIO_RATE_2400,
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.uart_baud_rate = RF433_UART_RATE_9600,
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.uart_parity = RF433_UART_8N1,
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},
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.register_4 = {
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.channel = 0x17,
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},
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.register_5.field = {
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.tx_power = RF433_TX_POWER_DBM_30,
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.packet_fec = RF433_ON,
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.wake_on_radio_period = RF433_WOR_PERIOD_250MS,
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.reserve = RF433_OFF,
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.specify_target = RF433_OFF,
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},
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};
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/* 模块数据缓冲区 */
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static uint8_t rf433_buffer[1024];
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/* ============================================================================
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* 私有函数声明
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* ============================================================================ */
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/**
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* @brief 向模块写入配置参数指令（基于原e32_send_config_command）
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* @param config 配置信息
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*/
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static void rf433_send_config_command(const rf433_register_t *config);
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/**
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* @brief 向模块写入查询指令（基于原e32_send_request_command）
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* @param cmd 查询命令
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*/
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static void rf433_send_request_command(rf433_request_cmd_t cmd);
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/**
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* @brief (查询指令)模块响应数据校验（基于原e32_response_command_check）
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* @param cmd 查询命令
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* @param buffer 指向响应数据缓冲区
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* @param length 响应数据长度
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* @return bool 正确返回true; 否则返回false
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*/
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static bool rf433_response_command_check(rf433_request_cmd_t cmd, uint8_t *buffer, uint8_t length);
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/* ============================================================================
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* 私有函数实现
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* ============================================================================ */
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/**
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* @brief 向模块写入配置参数指令
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*/
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static void rf433_send_config_command(const rf433_register_t *config)
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{
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/* 第1字节：写入指令
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C0：写入配置参数指令 */
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rf433_buffer[0] = 0xC0;
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/* 第2~6字节开始：写入用户参数寄存器 */
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memcpy(&rf433_buffer[1], (uint8_t*)config, sizeof(rf433_register_t));
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/* 发送写入 */
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rf433_hal_uart_tx(rf433_buffer, sizeof(rf433_register_t) + 1);
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}
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/**
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* @brief 向模块写入查询指令
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*/
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static void rf433_send_request_command(rf433_request_cmd_t cmd)
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{
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/* 获取配置参数 */
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static const uint8_t request_config[3] = {0xC1, 0xC1, 0xC1};
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/* AT指令 获取设备类型 */
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static const char request_name[] = "AT+DEVTYPE=?";
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/* AT指令 获取固件版本 */
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static const char request_version[] = "AT+FWCODE=?";
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switch (cmd)
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{
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/* 获取配置参数 */
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case RF433_REQUEST_CMD_CONFIG:
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rf433_hal_uart_tx((uint8_t*)request_config, sizeof(request_config));
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break;
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/* 获取设备类型 */
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case RF433_REQUEST_CMD_NAME:
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rf433_hal_uart_tx((uint8_t*)request_name, strlen(request_name));
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break;
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/* 获取固件版本 */
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case RF433_REQUEST_CMD_VERSION:
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rf433_hal_uart_tx((uint8_t*)request_version, strlen(request_version));
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break;
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}
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}
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/**
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* @brief (查询指令)模块响应数据校验
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*/
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static bool rf433_response_command_check(rf433_request_cmd_t cmd, uint8_t *buffer, uint8_t length)
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{
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bool ret = false;
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switch (cmd)
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{
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/* 获取配置参数 */
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case RF433_REQUEST_CMD_CONFIG:
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/* 先校验 数据长度为6字节*/
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if (length == 6)
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{
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/* 数据校验 帧头必须为0xC1 */
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if (buffer[0] == 0xC1)
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{
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ret = true;
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}
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}
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break;
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/* 获取设备类型 */
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case RF433_REQUEST_CMD_NAME:
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/* 数据校验 */
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if (strncmp("DEVTYPE=", (char*)buffer, 8) == 0)
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{
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ret = true;
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}
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break;
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/* 获取固件版本 */
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case RF433_REQUEST_CMD_VERSION:
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/* 数据校验 */
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if (strncmp("FWCODE=", (char*)buffer, 7) == 0)
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{
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ret = true;
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}
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break;
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}
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return ret;
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}
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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RF433模块
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*/
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rf433_error_t rf433_init(const rf433_register_t *config)
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{
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rf433_hal_error_t ret;
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/* 检查是否已初始化 */
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if (rf433_initialized)
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{
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return RF433_ERROR;
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}
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/* 初始化硬件抽象层 */
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ret = rf433_hal_init();
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR;
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}
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/* 复制配置 */
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if (config == NULL)
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{
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memcpy(&rf433_current_config, &rf433_default_config, sizeof(rf433_register_t));
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}
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else
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{
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memcpy(&rf433_current_config, config, sizeof(rf433_register_t));
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}
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/* 设置模块配置 */
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ret = rf433_set_config(&rf433_current_config);
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if (ret != RF433_OK)
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{
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rf433_hal_deinit();
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return ret;
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}
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rf433_initialized = true;
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return RF433_OK;
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}
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/**
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* @brief 反初始化RF433模块
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*/
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rf433_error_t rf433_deinit(void)
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{
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/* 检查是否已初始化 */
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if (!rf433_initialized)
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{
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return RF433_ERROR_NOT_INIT;
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}
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/* 反初始化硬件抽象层 */
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rf433_hal_deinit();
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rf433_initialized = false;
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return RF433_OK;
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}
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/**
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* @brief 设置模块配置（基于原e32_demo_menu_config）
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*/
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rf433_error_t rf433_set_config(const rf433_register_t *config)
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{
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rf433_hal_error_t ret;
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/* 参数检查 */
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if (config == NULL)
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{
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return RF433_ERROR_INVALID_PARAM;
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}
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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 RF433_ERROR_TIMEOUT;
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}
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/* 切换到配置模式 */
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ret = rf433_hal_set_work_mode(RF433_WORK_MODE_CONFIG_AND_SLEEP);
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR_TIMEOUT;
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}
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/* 向模块串口写入配置 */
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rf433_send_config_command(config);
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/* 等待模块响应 */
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/* 注意：这里需要实现uart1_wait_response_blocked的等效功能 */
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/* 暂时使用延时等待 */
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HAL_Delay(100);
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/* 切换回透明传输模式 */
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ret = rf433_hal_set_work_mode(RF433_WORK_MODE_TRANSPARENT);
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR_TIMEOUT;
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}
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/* 保存配置 */
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memcpy(&rf433_current_config, config, sizeof(rf433_register_t));
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return RF433_OK;
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}
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/**
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* @brief 获取模块配置
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*/
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rf433_error_t rf433_get_config(rf433_register_t *config)
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{
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/* 参数检查 */
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if (config == NULL)
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{
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return RF433_ERROR_INVALID_PARAM;
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}
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/* 复制当前配置 */
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memcpy(config, &rf433_current_config, sizeof(rf433_register_t));
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return RF433_OK;
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}
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/**
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* @brief 设置工作模式
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*/
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rf433_error_t rf433_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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ret = rf433_hal_set_work_mode(mode);
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR_TIMEOUT;
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}
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return RF433_OK;
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}
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/**
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* @brief 复位模块
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*/
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rf433_error_t rf433_reset(void)
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{
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rf433_hal_error_t ret;
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ret = rf433_hal_reset();
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR;
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}
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return RF433_OK;
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}
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/* ============================================================================
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* TX模式实现
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* ============================================================================ */
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#if (RF433_MODE == RF433_MODE_TX) || (RF433_MODE == RF433_MODE_BOTH)
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/**
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* @brief 发送数据（透明传输模式，基于原e32_demo_transmit）
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*/
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rf433_error_t rf433_transmit(uint8_t *buffer, uint16_t length)
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{
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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 == 0)
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{
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return RF433_ERROR_INVALID_PARAM;
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}
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/* 检查是否已初始化 */
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if (!rf433_initialized)
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{
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return RF433_ERROR_NOT_INIT;
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}
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/* 发送写入 */
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ret = rf433_hal_uart_tx(buffer, length);
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR_TIMEOUT;
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}
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printf("Sent: %s", (char*)buffer); // DEBUG_LOG未定义，使用printf替代
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return RF433_OK;
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}
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/**
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* @brief 发送数据包（指定目标模式）
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*/
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rf433_error_t rf433_transmit_packet(const rf433_specify_target_buffer_t *packet)
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{
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rf433_hal_error_t ret;
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uint16_t length;
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/* 参数检查 */
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if (packet == NULL)
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{
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return RF433_ERROR_INVALID_PARAM;
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}
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/* 检查是否已初始化 */
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if (!rf433_initialized)
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{
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return RF433_ERROR_NOT_INIT;
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}
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/* 计算数据包长度（3字节头 + 数据长度） */
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length = 3 + 237; // address_h + address_l + channel + data[237]
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/* 发送数据包 */
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ret = rf433_hal_uart_tx((uint8_t*)packet, length);
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR_TIMEOUT;
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}
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return RF433_OK;
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}
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#endif /* (RF433_MODE == RF433_MODE_TX) || (RF433_MODE == RF433_MODE_BOTH) */
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/* ============================================================================
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* RX模式实现
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* ============================================================================ */
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#if (RF433_MODE == RF433_MODE_RX) || (RF433_MODE == RF433_MODE_BOTH)
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static bool rf433_rx_started = false;
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static rf433_rx_callback_t rf433_rx_callback = NULL;
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static void *rf433_rx_user_data = NULL;
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/**
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* @brief 启动接收
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*/
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rf433_error_t rf433_rx_start(void)
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{
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rf433_hal_error_t ret;
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/* 检查是否已初始化 */
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if (!rf433_initialized)
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{
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return RF433_ERROR_NOT_INIT;
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}
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/* 检查是否已启动 */
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if (rf433_rx_started)
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{
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return RF433_ERROR_BUSY;
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}
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/* 清空FIFO */
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ret = rf433_hal_fifo_clear();
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR;
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}
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/* 启动UART接收（由HAL层处理） */
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/* 注意：UART接收由HAL_UART_Receive_IT启动，在HAL_UART_RxCpltCallback中调用rf433_hal_uart_rxcplt_callback */
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rf433_rx_started = true;
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return RF433_OK;
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}
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/**
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* @brief 停止接收
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*/
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rf433_error_t rf433_rx_stop(void)
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{
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/* 检查是否已初始化 */
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if (!rf433_initialized)
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{
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return RF433_ERROR_NOT_INIT;
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}
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rf433_rx_started = false;
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return RF433_OK;
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}
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/**
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* @brief 接收数据（阻塞模式）
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*/
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rf433_error_t rf433_receive(uint8_t *buffer, uint16_t max_length, uint16_t *actual_length, uint32_t timeout)
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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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uint32_t start_time;
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/* 参数检查 */
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if (buffer == NULL || max_length == 0 || actual_length == NULL)
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{
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return RF433_ERROR_INVALID_PARAM;
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}
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/* 检查是否已初始化 */
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if (!rf433_initialized)
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{
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return RF433_ERROR_NOT_INIT;
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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 RF433_ERROR;
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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 (timeout > 0 && (HAL_GetTick() - start_time) >= timeout)
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{
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return RF433_ERROR_TIMEOUT;
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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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if (fifo_length > max_length)
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{
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fifo_length = max_length;
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}
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ret = rf433_hal_fifo_read(buffer, fifo_length, actual_length);
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR;
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}
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return RF433_OK;
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}
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/**
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* @brief 检查是否有数据可读
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*/
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rf433_error_t rf433_rx_check_data(bool *has_data)
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{
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rf433_hal_error_t ret;
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uint16_t length;
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/* 参数检查 */
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if (has_data == NULL)
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{
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return RF433_ERROR_INVALID_PARAM;
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}
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/* 检查是否已初始化 */
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if (!rf433_initialized)
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{
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return RF433_ERROR_NOT_INIT;
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}
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/* 获取FIFO长度 */
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ret = rf433_hal_fifo_get_length(&length);
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if (ret != RF433_HAL_OK)
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{
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return RF433_ERROR;
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}
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*has_data = (length > 0);
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return RF433_OK;
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}
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/**
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* @brief 读取数据（非阻塞模式）
|
||
*/
|
||
rf433_error_t rf433_rx_read(uint8_t *buffer, uint16_t max_length, uint16_t *actual_length)
|
||
{
|
||
rf433_hal_error_t ret;
|
||
uint16_t length;
|
||
|
||
/* 参数检查 */
|
||
if (buffer == NULL || max_length == 0 || actual_length == NULL)
|
||
{
|
||
return RF433_ERROR_INVALID_PARAM;
|
||
}
|
||
|
||
/* 检查是否已初始化 */
|
||
if (!rf433_initialized)
|
||
{
|
||
return RF433_ERROR_NOT_INIT;
|
||
}
|
||
|
||
/* 获取FIFO长度 */
|
||
ret = rf433_hal_fifo_get_length(&length);
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return RF433_ERROR;
|
||
}
|
||
|
||
/* 检查是否有数据 */
|
||
if (length == 0)
|
||
{
|
||
return RF433_ERROR_NO_DATA;
|
||
}
|
||
|
||
/* 读取数据 */
|
||
if (length > max_length)
|
||
{
|
||
length = max_length;
|
||
}
|
||
|
||
ret = rf433_hal_fifo_read(buffer, length, actual_length);
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return RF433_ERROR;
|
||
}
|
||
|
||
return RF433_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 注册接收回调函数
|
||
*/
|
||
rf433_error_t rf433_rx_register_callback(rf433_rx_callback_t callback, void *user_data)
|
||
{
|
||
/* 参数检查 */
|
||
if (callback == NULL)
|
||
{
|
||
return RF433_ERROR_INVALID_PARAM;
|
||
}
|
||
|
||
/* 检查是否已初始化 */
|
||
if (!rf433_initialized)
|
||
{
|
||
return RF433_ERROR_NOT_INIT;
|
||
}
|
||
|
||
rf433_rx_callback = callback;
|
||
rf433_rx_user_data = user_data;
|
||
|
||
return RF433_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 注销接收回调函数
|
||
*/
|
||
rf433_error_t rf433_rx_unregister_callback(void)
|
||
{
|
||
rf433_rx_callback = NULL;
|
||
rf433_rx_user_data = NULL;
|
||
return RF433_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief UART接收完成回调（由HAL层调用）
|
||
*/
|
||
void rf433_rx_uart_callback_internal(uint8_t *data, uint16_t length)
|
||
{
|
||
/* 检查是否已启动 */
|
||
if (!rf433_rx_started)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 如果有回调函数，调用回调 */
|
||
if (rf433_rx_callback != NULL)
|
||
{
|
||
rf433_rx_callback(data, length, rf433_rx_user_data);
|
||
}
|
||
}
|
||
|
||
#endif /* (RF433_MODE == RF433_MODE_RX) || (RF433_MODE == RF433_MODE_BOTH) */
|