146 lines
4.2 KiB
C
146 lines
4.2 KiB
C
#include "app_com.h"
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#include "app_leakage.h"
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#include "bsp_w25q.h"
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#include <string.h>
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#include "proto_modbus_master_leakage.h"
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/*com口对应的串口*/
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bsp_uart_t *com_to_uart[APP_COM_NUM] =
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{
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&com_uart4,
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&com_uart2,
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&com_uart3,
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&com_uart6,
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};
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static void app_com_class_baud_rate_set(app_com_class_t *p_com, u32 baud_enum);
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static void app_com_class_update(void );
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static void app_com_init(void);
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static void app_com_save_baudrate_to_flash(void);
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static void app_com_load_baudrate_from_flash(void);
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app_com_t app_com=
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{
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.init = app_com_init,
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.class_update = app_com_class_update,
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.save_flah = app_com_save_baudrate_to_flash,
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};
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static void app_com_init(void)
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{
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u8 i;
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for(i=0;i<APP_COM_NUM;i++)
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{
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app_com.com[i].com_uart = com_to_uart[i];
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app_com.com[i].set.baud_rate = app_com_class_baud_rate_set;
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app_com.com[i].flash_data.baudrate = 4;
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}
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app_com_class_update();
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app_com_load_baudrate_from_flash();
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}
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/* 波特率枚举值到实际数值的转换并设置串口 */
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static void app_com_class_baud_rate_set(app_com_class_t *p_com, u32 baud_enum)
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{
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u32 baud_value;
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switch (baud_enum) {
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case 0: baud_value = 4800; break;
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case 1: baud_value = 9600; break;
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case 2: baud_value = 19200; break;
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case 3: baud_value = 57600; break;
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case 4: baud_value = 115200; break;
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default: baud_value = 115200; break;
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}
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if (p_com->com_uart && p_com->com_uart->set.baud_rate) {
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p_com->com_uart->set.baud_rate(p_com->com_uart, baud_value);
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}
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}
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/* 从Flash加载波特率到内存并应用 */
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static void app_com_load_baudrate_from_flash(void)
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{
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u8 baud_vals[APP_COM_NUM];
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w25q32.read(W25Q32_COM_BAUDRATE_ADDR, baud_vals, APP_COM_NUM);
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for (u8 i = 0; i < APP_COM_NUM; i++) {
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if (baud_vals[i] == 0xFF) { // 未初始化，设为默认115200
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app_com.com[i].flash_data.baudrate = 4;
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} else {
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app_com.com[i].flash_data.baudrate = baud_vals[i];
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}
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// 应用波特率到串口硬件
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app_com_class_baud_rate_set(&app_com.com[i], app_com.com[i].flash_data.baudrate);
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}
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}
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/* 将当前波特率保存到Flash */
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static void app_com_save_baudrate_to_flash(void)
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{
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u8 current_vals[APP_COM_NUM];
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u8 flash_vals[APP_COM_NUM];
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/*当前内存中的波特率枚举值*/
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for (u8 i = 0; i < APP_COM_NUM; i++) {
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current_vals[i] = app_com.com[i].flash_data.baudrate;
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}
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/*从 Flash 读取已存储的值*/
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w25q32.read(W25Q32_COM_BAUDRATE_ADDR, flash_vals, APP_COM_NUM);
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// 比较是否完全相同
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if (memcmp(current_vals, flash_vals, APP_COM_NUM) == 0) {
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// 没有变化，无需写入
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return;
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}
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// 擦除包含该地址的扇区（4K对齐）
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uint32_t erase_addr = W25Q32_COM_BAUDRATE_ADDR & ~(W25Q32_SECTOR_SIZE - 1);
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w25q32_sector_erase(erase_addr);
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w25q32.write(W25Q32_COM_BAUDRATE_ADDR, current_vals, APP_COM_NUM);
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}
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/*将同一com口的设备进行划分*/
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static void app_com_class_update(void )
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{
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u16 i,j;
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u8 com_index,id;
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/********************************************总数清零******************************************************/
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for(i=0;i<APP_COM_NUM;i++)
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{
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modbus_leakage[i].sensor_num = 0;
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}
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/*遍历子系统*/
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for(i=0;i<APP_LEAKAGE_SUB_DEVICE_NUM;i++)
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{
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/*设备使能*/
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if(ENABLE == leakage.sub_device_data[i].flash_data.state)
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{
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/********************************************COM口划分******************************************************/
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com_index = leakage.sub_device_data[i].flash_data.com;
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id = leakage.sub_device_data[i].flash_data.modbus_id;
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proto_sensor_class_t *p_sensor = &modbus_leakage[com_index].sensor[modbus_leakage[com_index].sensor_num];
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/* ★ 清空整个传感器结构体 */
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memset(p_sensor, 0, sizeof(proto_sensor_class_t));
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/*绑定modbus id*/
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p_sensor->comm.id = id;
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/*绑定子设备索引索引*/
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p_sensor->comm.leakage_data_index = i;
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/* ★ 设置初始状态为默认（发送请求） */
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p_sensor->comm.state = PROTO_LEAKAGE_COMM_STATE_DEFAULT;
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/*comm口设备总数++*/
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modbus_leakage[com_index].sensor_num++;
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}
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}
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}
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