293 lines
6.0 KiB
C
293 lines
6.0 KiB
C
#include "e32_demo.h"
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#include "main.h"
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#include "application.h"
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#include <string.h>
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/**
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* 模组数据操作缓存
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*/
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static e32_opt_buffer_t e32_buffer;
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/**
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* 模组参数读取指令
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*/
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static const uint8_t request_config[3]={0xC1,0xC1,0xC1};
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/**
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* AT指令 读取设备名
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*/
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static const char request_name[]="AT+DEVTYPE=?";
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/**
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* AT指令 读取固件版本
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*/
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static const char request_version[]="AT+FWCODE=?";
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/**
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* E32-433T30S 默认配置参数
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*/
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static const e32_register_t register_default =
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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 = RADIO_RATE_2400,
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.uart_baud_rate = UART_RATE_9600,
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.uart_parity = 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 = TX_POWER_DBM_30,
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.packet_fec = ON,
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.wake_on_radio_period = WOR_PERIOD_250MS,
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.reserve = OFF,
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.specify_target = OFF,
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},
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};
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/**
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* @brief 向模组写入配置参数指令
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*
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* @param config 配置信息
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*/
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static void e32_send_config_command( const e32_register_t *config )
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{
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/* 第1字节：控制指令
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C0代表写入参数并保存 */
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e32_buffer.hex_cmd.command = 0xC0;
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/* 第2~6字节开始就是用户配置参数了 */
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memcpy( e32_buffer.hex_cmd.config , (uint8_t*)config , sizeof(e32_register_t));
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/* 串口写入 */
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e32_hal_uart_tx( (uint8_t*)&e32_buffer, sizeof(e32_register_t) + 1);
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}
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/**
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* @brief 向模组写入查询指令
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*
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* @param cmd 查询类型
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*/
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static void e32_send_request_command( request_cmd_t cmd )
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{
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switch( cmd )
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{
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/* 读取配置参数 */
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case REQUEST_CMD_CONFIG:
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e32_hal_uart_tx( (uint8_t*)request_config, sizeof(request_config));
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break;
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/* 读取设备名称 */
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case REQUEST_CMD_NAME:
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e32_hal_uart_tx( (uint8_t*)request_name, strlen(request_name));
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break;
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/* 读取固件版本 */
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case REQUEST_CMD_VERSION:
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e32_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 (查询指令的)模组应答数据检查
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*
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* @param cmd 查询类型
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* @param buffer 指向应答数据缓存
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* @param length 应答数据长度
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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 e32_response_command_check( 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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/* 读取配置参数 */
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case REQUEST_CMD_CONFIG:
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/* 长度检查 必须等于6字节*/
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if( length == 6 )
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{
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/* 内容检查 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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/* 读取设备名称 */
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case REQUEST_CMD_NAME:
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/* 内容检查 */
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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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/* 读取固件版本 */
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case REQUEST_CMD_VERSION:
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/* 内容检查 */
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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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* @brief 向模组串口写入数据
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*
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* @note 请注意模组工作模式
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* @param buffer 指向数据缓存
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* @param length 写入长度
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*/
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void e32_demo_transmit( uint8_t *buffer , uint16_t length )
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{
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/* 串口写入 */
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e32_hal_uart_tx( buffer, length);
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}
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/**
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* @brief (可选) 示例如何读取设备名称
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*
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* @note 模组应处于配置模式
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* @param buffer 模组应答内容
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* @param length 模组应答长度
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*/
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void e32_demo_read_device_name( char *buffer , uint8_t *length )
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{
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uint16_t opt_length;
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/* 配置模式仅支持串口9600波特率 */
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uart1_reconfig(9600);
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/* 切换到配置模式 */
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e32_hal_work_mode( WORK_MODE_CONFIG_AND_SLEEP );
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/* 发送查询指令 获取设备名 */
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e32_send_request_command( REQUEST_CMD_NAME );
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/* 等待模组应答 */
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uart1_wait_response_blocked( (uint8_t*)buffer , &opt_length );
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/* 应答内容检查 */
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if( e32_response_command_check( REQUEST_CMD_NAME, (uint8_t*)buffer , opt_length ) != true )
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{
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/* 应答数据不正确 */
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while(1);
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}
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*length = opt_length;
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}
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/**
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* @brief (可选) 示例如何读取设备固件版本
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*
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* @note 模组应处于配置模式
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* @param buffer 模组应答内容
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* @param length 模组应答长度
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*/
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void e32_demo_read_fireware_version( char *buffer , uint8_t *length )
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{
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uint16_t opt_length;
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/* 配置模式仅支持串口9600波特率 */
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uart1_reconfig(9600);
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/* 切换到配置模式 */
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e32_hal_work_mode( WORK_MODE_CONFIG_AND_SLEEP );
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/* 发送查询指令 获取设备名 */
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e32_send_request_command( REQUEST_CMD_VERSION );
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/* 等待模组应答 */
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uart1_wait_response_blocked( (uint8_t*)buffer , &opt_length );
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/* 应答内容检查 */
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if( e32_response_command_check( REQUEST_CMD_VERSION, (uint8_t*)buffer , opt_length ) != true )
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{
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/* 应答数据不正确 */
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while(1);
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}
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*length = opt_length;
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}
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/**
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* @brief 使用显示菜单用户配置参数重新配置模组
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*
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* @param config 菜单配置参数信息
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*/
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void e32_demo_menu_config( menu_config_t *config )
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{
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uint16_t opt_length;
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e32_register_t register_write;
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transmit_power_t power_select;
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/* 复制默认寄存器配置 */
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memcpy( (uint8_t*)®ister_write , (uint8_t*)®ister_default , sizeof(e32_register_t) );
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/* 功率转换 */
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switch( config->tx_power )
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{
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case 27:
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power_select = TX_POWER_DBM_27;
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break;
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case 24:
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power_select = TX_POWER_DBM_24;
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break;
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case 21:
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power_select = TX_POWER_DBM_21;
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break;
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default:
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power_select = TX_POWER_DBM_30;
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break;
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}
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/* 修改用户配置的参数 */
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register_write.register_5.field.tx_power = power_select; //功率
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register_write.register_3.field.radio_rate = (radio_rate_t)config->rate_mode; //空速
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register_write.register_4.channel = config->channel; //信道
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/* 配置模式仅支持串口9600波特率 */
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uart1_reconfig(9600);
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/* 切换到配置模式 */
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e32_hal_work_mode( WORK_MODE_CONFIG_AND_SLEEP );
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/* 向模组串口写入配置 */
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e32_send_config_command( ®ister_write );
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/* 等待模组应答 */
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uart1_wait_response_blocked( e32_buffer.opt_buffer , &opt_length );
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// /* 应答数据检查 指令头必为C1 */
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// if( e32_buffer.opt_buffer[0] != 0xC1 )
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// {
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// /* 模组如果回答FF FF FF 表示指令错误 */
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// while(1);
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// }
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///@todo 请结合串口波特率配置修改
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/* 切换到用户设置的透传模式串口波特率 */
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uart1_reconfig(9600);
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/* 回到透明传输模式 */
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e32_hal_work_mode( WORK_MODE_TRANSPARENT );
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}
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