504 lines
12 KiB
C
504 lines
12 KiB
C
/**
|
||
******************************************************************************
|
||
* @file rf433_hal.c
|
||
* @brief RF433硬件抽象层实现
|
||
* @note 基于原e32_hal.c重构，保持与原版设备兼容
|
||
******************************************************************************
|
||
*/
|
||
|
||
#include "rf433_hal.h"
|
||
|
||
/* 与单片机平台相关 */
|
||
#include "main.h"
|
||
#include "gpio.h"
|
||
#include "usart.h"
|
||
#include "fifo.h"
|
||
|
||
/* ============================================================================
|
||
* 私有变量
|
||
* ============================================================================ */
|
||
|
||
static bool rf433_hal_initialized = false;
|
||
|
||
/* FIFO缓冲区 */
|
||
static uint8_t rf433_fifo_buffer[1024];
|
||
static fifo_t rf433_fifo;
|
||
|
||
/* UART接收相关变量 */
|
||
static uint8_t rf433_uart_rx_tmp;
|
||
static volatile uint32_t rf433_uart_rx_timeout = 0;
|
||
static volatile bool rf433_uart_rx_done = false;
|
||
|
||
/* ============================================================================
|
||
* 公共函数实现
|
||
* ============================================================================ */
|
||
|
||
/**
|
||
* @brief 初始化硬件抽象层
|
||
*/
|
||
rf433_hal_error_t rf433_hal_init(void)
|
||
{
|
||
fifo_error_t ret;
|
||
|
||
/* 检查是否已初始化 */
|
||
if (rf433_hal_initialized)
|
||
{
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
/* 初始化FIFO */
|
||
ret = fifo_create(&rf433_fifo, rf433_fifo_buffer, sizeof(rf433_fifo_buffer));
|
||
if (ret != FIFO_OK)
|
||
{
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
rf433_hal_initialized = true;
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 反初始化硬件抽象层
|
||
*/
|
||
rf433_hal_error_t rf433_hal_deinit(void)
|
||
{
|
||
/* 检查是否已初始化 */
|
||
if (!rf433_hal_initialized)
|
||
{
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
rf433_hal_initialized = false;
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief UART发送数据（基于原e32_hal_uart_tx）
|
||
*/
|
||
rf433_hal_error_t rf433_hal_uart_tx(uint8_t *buffer, uint16_t length)
|
||
{
|
||
HAL_StatusTypeDef ret;
|
||
|
||
/* 参数检查 */
|
||
if (buffer == NULL || length == 0)
|
||
{
|
||
return RF433_HAL_ERROR_INVALID_PARAM;
|
||
}
|
||
|
||
/* 发送数据 */
|
||
ret = HAL_UART_Transmit(&huart1, buffer, length, 0xFFFF);
|
||
if (ret != HAL_OK)
|
||
{
|
||
return RF433_HAL_ERROR_TIMEOUT;
|
||
}
|
||
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief UART接收回调（由中断调用）
|
||
*/
|
||
void rf433_hal_uart_rx_callback(uint8_t *data, uint16_t length)
|
||
{
|
||
/* 写入FIFO */
|
||
fifo_write(&rf433_fifo, data, length);
|
||
|
||
/* 设置超时 */
|
||
rf433_uart_rx_timeout = 10;
|
||
}
|
||
|
||
/**
|
||
* @brief 等待AUX引脚变为空闲（基于原e32_hal_aux_wait）
|
||
*/
|
||
rf433_hal_error_t rf433_hal_aux_wait(void)
|
||
{
|
||
#if RF433_USE_GPIO_AUX
|
||
uint32_t start_time;
|
||
|
||
/* 等待AUX引脚变为高电平 */
|
||
if (HAL_GPIO_ReadPin(AUX_GPIO_Port, AUX_Pin) == GPIO_PIN_RESET)
|
||
{
|
||
/* 等到模块的AUX信号由忙变为空闲 */
|
||
start_time = HAL_GetTick();
|
||
while (HAL_GPIO_ReadPin(AUX_GPIO_Port, AUX_Pin) == GPIO_PIN_RESET)
|
||
{
|
||
/* 检查超时 */
|
||
if ((HAL_GetTick() - start_time) >= RF433_AUX_TIMEOUT)
|
||
{
|
||
return RF433_HAL_ERROR_TIMEOUT;
|
||
}
|
||
}
|
||
|
||
/* 此时是检测到AUX信号有上升沿，需要再等待1~2ms */
|
||
HAL_Delay(2);
|
||
}
|
||
#else
|
||
/* 不使用AUX引脚，使用延时等待 */
|
||
HAL_Delay(30);
|
||
#endif
|
||
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 设置工作模式（基于原e32_hal_work_mode）
|
||
*/
|
||
rf433_hal_error_t rf433_hal_set_work_mode(rf433_work_mode_t mode)
|
||
{
|
||
rf433_hal_error_t ret;
|
||
|
||
#if RF433_USE_GPIO_AUX
|
||
/* 等待模块空闲 */
|
||
ret = rf433_hal_aux_wait();
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return ret;
|
||
}
|
||
#endif
|
||
|
||
/* 设置M0和M1引脚 */
|
||
switch (mode)
|
||
{
|
||
/* 模式0：一般模式 (M0=0 M1=0) */
|
||
case RF433_WORK_MODE_TRANSPARENT:
|
||
HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_RESET);
|
||
HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_RESET);
|
||
break;
|
||
|
||
/* 模式1：唤醒模式 (M0=1 M1=0) */
|
||
case RF433_WORK_MODE_WAKE_ON_RADIO_MASTER:
|
||
HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_SET);
|
||
HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_RESET);
|
||
break;
|
||
|
||
/* 模式2：省电模式 (M0=0 M1=1) */
|
||
case RF433_WORK_MODE_WAKE_ON_RADIO_SLAVE:
|
||
HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_RESET);
|
||
HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_SET);
|
||
break;
|
||
|
||
/* 模式3：配置模式 (M0=1 M1=1) */
|
||
case RF433_WORK_MODE_CONFIG_AND_SLEEP:
|
||
HAL_GPIO_WritePin(M0_GPIO_Port, M0_Pin, GPIO_PIN_SET);
|
||
HAL_GPIO_WritePin(M1_GPIO_Port, M1_Pin, GPIO_PIN_SET);
|
||
break;
|
||
|
||
default:
|
||
return RF433_HAL_ERROR_INVALID_PARAM;
|
||
}
|
||
|
||
#if RF433_USE_GPIO_AUX
|
||
/* 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 */
|
||
HAL_Delay(5);
|
||
ret = rf433_hal_aux_wait();
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return ret;
|
||
}
|
||
#else
|
||
/* 这里保留一定延时，确保模式切换完成 */
|
||
HAL_Delay(50);
|
||
#endif
|
||
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 复位模块（基于原e32_hal_reset）
|
||
*/
|
||
rf433_hal_error_t rf433_hal_reset(void)
|
||
{
|
||
/* 拉低复位引脚 */
|
||
HAL_GPIO_WritePin(RESET_GPIO_Port, RESET_Pin, GPIO_PIN_RESET);
|
||
HAL_Delay(1);
|
||
|
||
/* 拉高复位引脚 */
|
||
HAL_GPIO_WritePin(RESET_GPIO_Port, RESET_Pin, GPIO_PIN_SET);
|
||
|
||
#if RF433_USE_GPIO_AUX
|
||
/* 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 */
|
||
HAL_Delay(10);
|
||
return rf433_hal_aux_wait();
|
||
#else
|
||
/* E32-V2 (V8.2) 版本 */
|
||
HAL_Delay(30);
|
||
return RF433_HAL_OK;
|
||
#endif
|
||
}
|
||
|
||
/**
|
||
* @brief 写入FIFO
|
||
*/
|
||
rf433_hal_error_t rf433_hal_fifo_write(const uint8_t *data, uint16_t length)
|
||
{
|
||
fifo_error_t ret;
|
||
|
||
/* 参数检查 */
|
||
if (data == NULL || length == 0)
|
||
{
|
||
return RF433_HAL_ERROR_INVALID_PARAM;
|
||
}
|
||
|
||
/* 写入FIFO */
|
||
ret = fifo_write(&rf433_fifo, (uint8_t *)data, length);
|
||
if (ret != FIFO_OK)
|
||
{
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 读取FIFO
|
||
*/
|
||
rf433_hal_error_t rf433_hal_fifo_read(uint8_t *data, uint16_t length, uint16_t *actual_length)
|
||
{
|
||
fifo_error_t ret;
|
||
uint32_t fifo_length;
|
||
|
||
/* 参数检查 */
|
||
if (data == NULL || length == 0 || actual_length == NULL)
|
||
{
|
||
return RF433_HAL_ERROR_INVALID_PARAM;
|
||
}
|
||
|
||
/* 获取FIFO长度 */
|
||
ret = fifo_get_length(&rf433_fifo, &fifo_length);
|
||
if (ret != FIFO_OK)
|
||
{
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
/* 检查是否有数据 */
|
||
if (fifo_length == 0)
|
||
{
|
||
*actual_length = 0;
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
/* 读取数据 */
|
||
if (fifo_length > length)
|
||
{
|
||
fifo_length = length;
|
||
}
|
||
|
||
ret = fifo_read(&rf433_fifo, data, fifo_length);
|
||
if (ret != FIFO_OK)
|
||
{
|
||
*actual_length = 0;
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
*actual_length = fifo_length;
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 获取FIFO数据长度
|
||
*/
|
||
rf433_hal_error_t rf433_hal_fifo_get_length(uint16_t *length)
|
||
{
|
||
fifo_error_t ret;
|
||
uint32_t fifo_length;
|
||
|
||
/* 参数检查 */
|
||
if (length == NULL)
|
||
{
|
||
return RF433_HAL_ERROR_INVALID_PARAM;
|
||
}
|
||
|
||
/* 获取FIFO长度 */
|
||
ret = fifo_get_length(&rf433_fifo, &fifo_length);
|
||
if (ret != FIFO_OK)
|
||
{
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
*length = fifo_length;
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 清空FIFO
|
||
*/
|
||
rf433_hal_error_t rf433_hal_fifo_clear(void)
|
||
{
|
||
fifo_error_t ret;
|
||
|
||
/* 清空FIFO */
|
||
ret = fifo_clear(&rf433_fifo);
|
||
if (ret != FIFO_OK)
|
||
{
|
||
return RF433_HAL_ERROR;
|
||
}
|
||
|
||
return RF433_HAL_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 1ms定时器回调（用于超时检测）
|
||
*/
|
||
void rf433_hal_1ms_callback(void)
|
||
{
|
||
/* UART接收超时检测 */
|
||
if (rf433_uart_rx_timeout > 0)
|
||
{
|
||
rf433_uart_rx_timeout--;
|
||
|
||
if (rf433_uart_rx_timeout == 0)
|
||
{
|
||
rf433_uart_rx_done = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* ============================================================================
|
||
* UART中断回调（需要在stm32f1xx_it.c中调用）
|
||
* ============================================================================ */
|
||
|
||
/**
|
||
* @brief UART接收完成回调
|
||
* @note 此函数需要在HAL_UART_RxCpltCallback中调用
|
||
*/
|
||
void rf433_hal_uart_rxcplt_callback(void)
|
||
{
|
||
uint8_t data;
|
||
|
||
/* 读取接收到的数据 */
|
||
data = huart1.Instance->DR;
|
||
|
||
/* 写入FIFO */
|
||
fifo_write(&rf433_fifo, &data, 1);
|
||
|
||
/* 设置超时 */
|
||
rf433_uart_rx_timeout = 10;
|
||
|
||
/* 重新启动接收 */
|
||
HAL_UART_Receive_IT(&huart1, &rf433_uart_rx_tmp, 1);
|
||
}
|
||
|
||
/* ============================================================================
|
||
* 兼容函数（用于保持与原代码的兼容性）
|
||
* ============================================================================ */
|
||
|
||
/**
|
||
* @brief UART接收超时1ms回调（兼容原uart1_rx_timeout_1ms_callback）
|
||
* @note 此函数需要在1ms定时器中断中调用
|
||
*/
|
||
void uart1_rx_timeout_1ms_callback(void)
|
||
{
|
||
/* 调用RF433模块的1ms回调 */
|
||
rf433_hal_1ms_callback();
|
||
}
|
||
|
||
/**
|
||
* @brief UART等待响应（阻塞模式，兼容原uart1_wait_response_blocked）
|
||
* @param buffer 数据缓冲区
|
||
* @param length 数据长度输出
|
||
* @note 与main.h中的声明保持一致，返回void
|
||
*/
|
||
void uart1_wait_response_blocked(uint8_t *buffer, uint16_t *length)
|
||
{
|
||
uint32_t start_time;
|
||
uint16_t fifo_length;
|
||
rf433_hal_error_t ret;
|
||
|
||
/* 参数检查 */
|
||
if (buffer == NULL || length == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 等待数据 */
|
||
start_time = HAL_GetTick();
|
||
while (true)
|
||
{
|
||
ret = rf433_hal_fifo_get_length(&fifo_length);
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return;
|
||
}
|
||
|
||
if (fifo_length > 0)
|
||
{
|
||
break;
|
||
}
|
||
|
||
/* 检查超时 */
|
||
if ((HAL_GetTick() - start_time) >= 1000)
|
||
{
|
||
return;
|
||
}
|
||
|
||
HAL_Delay(1);
|
||
}
|
||
|
||
/* 读取数据 */
|
||
ret = rf433_hal_fifo_read(buffer, 255, length);
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief UART检查接收完成（兼容原uart1_check_rx_done）
|
||
* @param buffer 数据缓冲区
|
||
* @param length 数据长度输出（uint32_t*，与main.h中的声明保持一致）
|
||
* @return true 接收到数据
|
||
* false 无数据
|
||
*/
|
||
bool uart1_check_rx_done(uint8_t *buffer, uint32_t *length)
|
||
{
|
||
rf433_hal_error_t ret;
|
||
uint16_t fifo_length;
|
||
|
||
/* 参数检查 */
|
||
if (buffer == NULL || length == NULL)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
/* 检查超时标志 */
|
||
if (!rf433_uart_rx_done)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
/* 获取FIFO长度 */
|
||
ret = rf433_hal_fifo_get_length(&fifo_length);
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
/* 检查是否有数据 */
|
||
if (fifo_length == 0)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
/* 读取数据 */
|
||
ret = rf433_hal_fifo_read(buffer, 255, (uint16_t*)length);
|
||
if (ret != RF433_HAL_OK)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
/* 清除超时标志 */
|
||
rf433_uart_rx_done = false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* @brief 检查接收完成标志（用于RF433应用层）
|
||
* @return true 接收完成
|
||
* false 接收未完成
|
||
*/
|
||
bool rf433_hal_check_rx_done(void)
|
||
{
|
||
return rf433_uart_rx_done;
|
||
}
|