880 lines
19 KiB
C
880 lines
19 KiB
C
/*
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* user.c
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*
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* Created on: 2023年6月25日
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* Author: wyf
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*/
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#include "user.h"
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volatile uint8_t usart_count = 0; //串口接收数据个数
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uint8_t RxBuff[BUFF_LEN] = {0}; //串口接收缓冲区
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uint8_t TXBuff[BUFF_LEN] = {0}; //串口发送缓冲区
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uint8_t uBuff[BUFF_LEN] = {0}; //用户缓冲区
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volatile int8_t polarity = 1,adc_state = 1; //电场极性,投退状态
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volatile uint8_t electric_flag = 0; //外加的反向电场极限，0为负，1为正
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volatile uint8_t motor_state = 1; //电机状态,0为正常, 1不正常
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volatile uint16_t RS485ADDR = 0; //485地址
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uint16_t RegularConvData_Tab[ADCBUFF_LEN] = {0};//ADC采集原始数据
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volatile int16_t adc_max = 0; //最终峰峰值
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volatile int16_t adc_positive = 0, adc_negative=0; //加外加电场后的adc值
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volatile int16_t estimate_value = 40; //投退判断的差值
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volatile uint16_t pwm_pulse = 0; //pwm波脉宽
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volatile int16_t adcValue_factor = 0; //adc测量值的修正系数*10
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volatile int16_t adcValue_addnum = 0; //adc测量值的加减系数
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volatile uint16_t motor_runtime =0; //电机运行时间
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volatile uint16_t bad_runtime = 0; //恶劣环境运行时间
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volatile int16_t baud_rate = 0; //波特率；0:9600, 1:19200 2:57600 3: 115200
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uint8_t tempe = 0,humidness = 0; //温度湿度
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//uint32_t current_addr = FLASHmotor_runtime; //记录当前电机运行时间的地址
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int16_t threshold_value = 300; //传感器上限阈值，低于300时，认为是退
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int16_t voltage = 0; //电压
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int16_t reference =0; //电压参考值
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int16_t voltage_thresh = 60; //投退电压阈值
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char version_string[]="DCE-2406-V5.6_HAL";
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uint16_t version_number = 560;
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int16_t hard_version = 510;
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uint16_t user_temp = 0;
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/*1:传感器数据 2:投退状态 3：电机状态
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* 4：PWM波占空比 5：传感器缩放系数 6：传感器加减系数
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* 7：电机运行时间 8:设置波特率 9：温湿度
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* 10:方波投退判断阈值 11：传感器退阈值 12:电压值
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* 13:电压阈值，电压小于该值时为退
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*/
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int16_t user_register[14] = {0}; //寄存器值
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void user_init(void)
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{
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__HAL_UART_ENABLE_IT(&huart1,UART_IT_IDLE);
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__HAL_UART_CLEAR_IT(&huart1,UART_CLEAR_IDLEF|UART_CLEAR_TCF);
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bsp_InitTimer();
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AHT20_Init(&SENx,2000,0x38); //2000:读取数据周期2S; 0x38:AHT20地址
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motor_state =1;
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}
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//求adc波形的峰峰值
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void ADC_MAX(void)
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{
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uint8_t i =0;
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static uint8_t number = 0;
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uint16_t max = 0,min = 0;
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static int16_t adc1_max = 0;
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max = RegularConvData_Tab[0];
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min = RegularConvData_Tab[0];
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for(i = 1;i<ADCBUFF_LEN;i++)
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{
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if(RegularConvData_Tab[i] > max )
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{
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max = RegularConvData_Tab[i];
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}
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else if(RegularConvData_Tab[i] < min )
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{
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min = RegularConvData_Tab[i];
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}
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}
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if(max - min > 0)
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{
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adc1_max += max - min;
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}
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if(number++>=4)
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{
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adc1_max = adc1_max/5*3300/4095;
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adc1_max = adc1_max*adcValue_factor/10 + adcValue_addnum;
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adc1_max = polarity*adc1_max;
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adc_max = adc1_max;
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if(electric_flag == 1)
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{
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if(adc_max>adc_positive)
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{
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adc_positive = adc_max;
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}
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}
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else if(electric_flag == 0)
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{
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if(adc_max<adc_negative)
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{
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adc_negative = adc_max;
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}
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}
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adc1_max = 0;
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number = 0;
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}
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}
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//处理请求
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void Usart_Receive(void)
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{
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if( (uint16_t)uBuff[0] == RS485ADDR && usart_count == 8)
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{
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switch(uBuff[1])
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{
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case 0x03: //读传感器数据
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MODBUS_03H();
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break;
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case 0x06:
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MODBUS_06H();
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break;
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default:break;
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}
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}
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else if((uint16_t)uBuff[0] == 0 && usart_count== 8)
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{
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switch(uBuff[1])
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{
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case 0x06:
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MODBUS_06H();
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break;
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default:break;
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}
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}
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}
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/************************************************************
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* Name: CRC-16/MODBUS x16+x15+x2+1
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* Poly: 0x8005
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* Init: 0xFFFF
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* Refin: True
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* Refout: True
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* Xorout: 0x0000
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* Note:
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**********************************************************/
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uint16_t crc16_modbus(uint8_t *data, uint16_t length)
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{
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uint8_t i;
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uint16_t crc = 0xffff; // Initial value
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while(length--)
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{
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crc ^= *data++; // crc ^= *data; data++;
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for (i = 0; i < 8; ++i)
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{
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if (crc & 1)
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crc = (crc >> 1) ^ 0xA001; // 0xA001 = reverse 0x8005
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else
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crc = (crc >> 1);
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}
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}
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return crc;
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}
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//03指令，读取传感器数据
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void MODBUS_03H(void)
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{
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//接收到的数据帧
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//485地址 功能位 寄存器地址 寄存器个数 crc低位 crc高位
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uint8_t crch,crcl;
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uint16_t crcack;
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uint16_t addr = (uint16_t)uBuff[2]<<8 | uBuff[3]; //寄存器地址
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uint16_t number = (uint16_t)uBuff[4]<<8 | uBuff[5]; //寄存器数量
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uint16_t crc = crc16_modbus(uBuff,6); //计算CRC
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crch = crc>>8;
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crcl = crc&0x00FF;
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user_register[1] = adc_max;
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user_register[2] = adc_state;
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if(voltage == 0) user_register[2]= 0;
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else if(abs(voltage) < voltage_thresh && user_temp>6)
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{
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user_register[2]= 0;
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voltage = 0;
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}
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user_register[3] = motor_state;
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user_register[4] = pwm_pulse;
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user_register[5] = adcValue_factor;
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user_register[6] = adcValue_addnum;
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user_register[7] = motor_runtime;
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user_register[8] = baud_rate;
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user_register[9] = (humidness<<8)|tempe;
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user_register[10] = estimate_value;
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user_register[11] = threshold_value;
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user_register[12] = voltage;
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if(abs(adc_max)>3100)
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{
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user_register[12] =adc_max/abs(adc_max)*200;;
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}
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user_register[13] = voltage_thresh;
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if( (addr+number) <= 14 && crcl == uBuff[6] && crch == uBuff[7])
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{
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uint8_t cnt = 0;
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TXBuff[cnt++] = uBuff[0];
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TXBuff[cnt++] = uBuff[1];
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TXBuff[cnt++] = number*2; //数据个数，单位/字节
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for(uint8_t i =0;i<number;i++)
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{
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TXBuff[cnt++] = user_register[addr+i] >>8;
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TXBuff[cnt++] = user_register[addr+i] & 0xFF;
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}
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crcack = crc16_modbus(TXBuff,cnt);
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TXBuff[cnt++] = crcack & 0xff;
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TXBuff[cnt++] = crcack >>8;
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send_ack(cnt);
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}
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//读取版本号
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if(addr == 0x00FF && number == 0x0001 && crcl== uBuff[6] && crch== uBuff[7]) //比较寄存器值和CRC校验值
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{
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uint8_t i;
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for(i=0;i<strlen(version_string);i++)
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{
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TXBuff[i] = version_string[i];
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}
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send_ack(strlen(version_string)); //打印版本号
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}
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//版本号,软件版本
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if( addr == 0xFD && crcl == uBuff[6] && crch == uBuff[7])
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{
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uint8_t cnt = 0;
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TXBuff[cnt++] = uBuff[0];
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TXBuff[cnt++] = uBuff[1];
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TXBuff[cnt++] = number*2; //数据个数，单位/字节
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TXBuff[cnt++] = version_number >>8;
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TXBuff[cnt++] = version_number & 0xFF;
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crcack = crc16_modbus(TXBuff,cnt);
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TXBuff[cnt++] = crcack & 0xff;
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TXBuff[cnt++] = crcack >>8;
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send_ack(cnt);
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}
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//版本号,硬件版本
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if( addr == 0xFC && crcl == uBuff[6] && crch == uBuff[7])
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{
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uint8_t cnt = 0;
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TXBuff[cnt++] = uBuff[0];
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TXBuff[cnt++] = uBuff[1];
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TXBuff[cnt++] = number*2; //数据个数，单位/字节
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TXBuff[cnt++] = hard_version >>8;
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TXBuff[cnt++] = hard_version & 0xFF;
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crcack = crc16_modbus(TXBuff,cnt);
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TXBuff[cnt++] = crcack & 0xff;
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TXBuff[cnt++] = crcack >>8;
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send_ack(cnt);
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}
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}
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uint8_t reference_flag =0;
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//06指令，设置寄存器
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void MODBUS_06H(void)
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{
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int16_t data = ((int16_t)uBuff[4]<<8)|uBuff[5]; //要修改的数据
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uint16_t reg = ((int16_t)uBuff[2]<<8)|uBuff[3]; //寄存器地址
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uint16_t crc = crc16_modbus( uBuff,6); //计算CRC
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for(uint8_t i = 0; i<6; i++)
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{
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TXBuff[i] = uBuff[i];
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}
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TXBuff[6] = crc&0xff;
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TXBuff[7] = crc>>8;
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//修改地址
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if(reg == 0x000f && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data>=1 && data <= 247)
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{
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uint8_t temp = RS485ADDR;
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RS485ADDR = data;
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if(write_flash() == 0)
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{
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if(uBuff[1] != 0)
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{
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send_ack(8);
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}
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}
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else
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{
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RS485ADDR = temp;
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}
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}
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else {
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TXBuff[4] = 0xFF;
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TXBuff[5] = 0xFF;
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crc = crc16_modbus( uBuff,6); //计算CRC
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TXBuff[6] = crc&0xff;
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TXBuff[7] = crc>>8;
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if(uBuff[0] != 0) //广播地址不返回
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{
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send_ack(8);
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}
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}
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}
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//设置PWM波占空比
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else if(reg == 0x0004 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data>=0 && data<= 1000) //从机地址要大于等于1，小于等于247
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{
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int16_t temp = pwm_pulse;
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pwm_pulse = data; //更新地址
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if(write_flash() == 0)
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{
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send_ack(8);
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__HAL_TIM_SET_COMPARE(&htim14,TIM_CHANNEL_1,pwm_pulse); //设置脉宽
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}
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else
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{
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pwm_pulse = temp;
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}
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}
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}
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//设置传感器缩放系数
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else if(reg == 0x0005 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data>=-3300 && data<= 3300) //数据大于1小于3300
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{
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int16_t temp = adcValue_factor;
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adcValue_factor = data*10/adc_max;
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if(data >= 5 && data <= 20)adcValue_factor = data;
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if(adcValue_factor>=5 && adcValue_factor<=20)
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{
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if(write_flash() == 0)
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{
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send_ack(8);
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}
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else
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{
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adcValue_factor = temp;
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}
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}
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}
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}
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//设置传感器加减系数
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else if(reg == 0x0006 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data >= -3300 && data <= 3300 && data != 0)
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{
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int16_t temp = adcValue_addnum;
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adcValue_addnum = data;
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if(write_flash() == 0)
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{
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send_ack(8);
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}
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else
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{
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adcValue_addnum = temp;
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}
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}
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if(data ==0)
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{
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send_ack(8);
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DISABLE_INT();
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NVIC_SystemReset();
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}
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}
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/*
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//设置电机运行时间
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else if(reg == 0x0007 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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uint16_t temp = motor_runtime;
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motor_runtime = data;
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current_addr = 0x080077D8; //在开头的位置写，则会清除整个区域
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bad_runtime =0;
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if(write_runtime() == 0)
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{
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send_ack(8);
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}
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else
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{
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motor_runtime =temp ;
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}
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}
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*/
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//设置波特率
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else if(reg == 0x0008 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data >= 0 && data <= 3 )
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{
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int16_t temp = baud_rate;
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baud_rate = data;
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if(write_flash() == 0)
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{
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send_ack(8);
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Uart_SetBaud(baud_rate);
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}
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else
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{
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baud_rate = temp;
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}
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}
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}
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//设置投退方波阈值
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else if(reg == 0x000A && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data >= 0 && data <= 1500 )
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{
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int16_t temp = estimate_value;
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estimate_value = data;
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if(write_flash() == 0)
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{
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send_ack(8);
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}
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else
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{
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estimate_value = temp;
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}
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}
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}
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//设置退阈值
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else if(reg == 0x000B && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data >= 0 && data <= 1500 )
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{
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int16_t temp = threshold_value;
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threshold_value = data;
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if(write_flash() == 0)
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{
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send_ack(8);
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}
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else
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{
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threshold_value = temp;
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}
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}
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}
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//设置电压参考值
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else if(reg == 12 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data >= -220 && data <= 220 )
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{
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int16_t temp = reference;
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if(data != 0)
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{
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reference = 110.0/data*adc_max;
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}
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else {
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reference =1;
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}
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reference_flag = 1;
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if(write_flash() == 0)
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{
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send_ack(8);
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}
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else
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{
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reference = temp;
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}
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}
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}
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//设置电压阈值
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else if(reg == 13 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
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{
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if(data >= 0 && data <= 220 )
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{
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int16_t temp = voltage_thresh;
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voltage_thresh = data;
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if(write_flash() == 0)
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{
|
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send_ack(8);
|
||
}
|
||
else
|
||
{
|
||
voltage_thresh = temp;
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
uint8_t writeflash(void)
|
||
{
|
||
FLASH_EraseInitTypeDef EraseInitType;
|
||
uint32_t PageError;
|
||
uint8_t a[24] = {0};
|
||
|
||
int16_t reference_temp;
|
||
//电压标定值
|
||
reference_temp = *(int16_t*)(FLASH485_ADDR+14);
|
||
if(reference_temp == 0x0000 ||reference_temp == -1)
|
||
{
|
||
reference_temp = 0;
|
||
}
|
||
|
||
//stm32g030F4P6: flash 32k,2k一页，共16页
|
||
EraseInitType.TypeErase = FLASH_TYPEERASE_PAGES; //页擦页
|
||
EraseInitType.Banks =FLASH_BANK_1;
|
||
EraseInitType.Page = 15; //擦除页地址
|
||
EraseInitType.NbPages = 1; //擦除数量
|
||
|
||
//stm32是小端模式，低位在前
|
||
a[0] = RS485ADDR&0xFF; //地址
|
||
a[1] = RS485ADDR>>8;
|
||
a[2] = pwm_pulse&0xFF; //占空比
|
||
a[3] = pwm_pulse>>8;
|
||
a[4] = adcValue_factor&0xFF; //数据修正的比例系数
|
||
a[5] = adcValue_factor>>8;
|
||
a[6] = adcValue_addnum & 0xFF; //加减系数
|
||
a[7] = adcValue_addnum >>8;
|
||
a[8] = baud_rate & 0xFF; //加减系数
|
||
a[9] = baud_rate >>8;
|
||
|
||
a[10] = estimate_value & 0xFF;
|
||
a[11] = estimate_value >>8;
|
||
a[12] = threshold_value & 0xFF;
|
||
a[13] = threshold_value >>8;
|
||
|
||
|
||
a[14] = reference_temp & 0xFF;
|
||
a[15] = reference_temp >> 8;
|
||
if(reference_flag == 1)
|
||
{
|
||
a[14] = reference & 0xFF;
|
||
a[15] = reference >> 8;
|
||
reference_flag = 0;
|
||
}
|
||
|
||
a[16] = voltage_thresh & 0xFF;
|
||
a[17] = voltage_thresh >> 8;
|
||
HAL_FLASH_Unlock(); //解锁
|
||
if(HAL_FLASHEx_Erase(&EraseInitType, &PageError) != HAL_OK) //擦除
|
||
{
|
||
HAL_FLASH_Lock();
|
||
return 1;
|
||
}
|
||
|
||
uint64_t *b = (uint64_t*)a;
|
||
// uint8_t i = 0;
|
||
// for(i=0;i++;i<3)
|
||
// {
|
||
// if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, FLASH485_ADDR+i*8, *(b+i)) != HAL_OK)
|
||
// {
|
||
// HAL_FLASH_Lock();
|
||
// return 3 ;
|
||
// }
|
||
// }
|
||
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, FLASH485_ADDR, *b) != HAL_OK)
|
||
{
|
||
HAL_FLASH_Lock();
|
||
return 3 ;
|
||
}
|
||
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, FLASH485_ADDR+8, *(b+1) ) != HAL_OK)
|
||
{
|
||
HAL_FLASH_Lock();
|
||
return 3 ;
|
||
}
|
||
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, FLASH485_ADDR+16, *(b+2) ) != HAL_OK)
|
||
{
|
||
HAL_FLASH_Lock();
|
||
return 3 ;
|
||
}
|
||
|
||
HAL_FLASH_Lock();
|
||
return 0;
|
||
}
|
||
|
||
//把参数写到flash中
|
||
uint8_t write_flash(void)
|
||
{
|
||
uint8_t a =0;
|
||
DISABLE_INT();
|
||
a= writeflash();
|
||
ENABLE_INT();
|
||
return a;
|
||
}
|
||
|
||
|
||
//取消运行时间功能
|
||
/*
|
||
uint8_t write_runtime(void)
|
||
{
|
||
FLASH_EraseInitTypeDef EraseInitType;
|
||
uint32_t PageError;
|
||
|
||
//stm32g030F4P6: flash 32k,2k一页，共16页
|
||
EraseInitType.TypeErase = FLASH_TYPEERASE_PAGES; //页擦页
|
||
EraseInitType.Banks =FLASH_BANK_1;
|
||
EraseInitType.Page = 14; //擦除页地址
|
||
EraseInitType.NbPages = 1; //擦除数量
|
||
|
||
current_addr += 8;
|
||
HAL_FLASH_Unlock();
|
||
if(current_addr > 0x080077D8)
|
||
{
|
||
current_addr = FLASHmotor_runtime; //解锁
|
||
if(HAL_FLASHEx_Erase(&EraseInitType, &PageError) != HAL_OK) //擦除
|
||
{
|
||
HAL_FLASH_Lock();
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
uint64_t b = motor_runtime; //<<16 | bad_runtime;
|
||
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, current_addr, b) != HAL_OK)
|
||
{
|
||
HAL_FLASH_Lock();
|
||
return 3 ;
|
||
}
|
||
HAL_FLASH_Lock();
|
||
return 0;
|
||
}
|
||
*/
|
||
|
||
//发送数据，参数：数据长度；数据放在全局变量txbuff中
|
||
void send_ack(uint8_t a)
|
||
{
|
||
HAL_GPIO_WritePin(TX485_EN_GPIO_Port, TX485_EN_Pin, GPIO_PIN_SET);//使能485芯片发送
|
||
HAL_UART_Transmit_DMA(&huart1, TXBuff, a);
|
||
while(HAL_DMA_GetState(&hdma_usart1_tx) != HAL_DMA_STATE_READY);
|
||
delay_ms(5);
|
||
HAL_GPIO_WritePin(TX485_EN_GPIO_Port, TX485_EN_Pin, GPIO_PIN_RESET);//使能485芯片接收
|
||
}
|
||
|
||
|
||
//外部中断回调函数，
|
||
void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin)
|
||
{
|
||
static uint8_t count = 0,polaNumber =0;
|
||
static int16_t last_negative = 0;
|
||
static GPIO_PinState PH2_value =GPIO_PIN_RESET,PH1_value = GPIO_PIN_RESET;
|
||
PH2_value = HAL_GPIO_ReadPin(PH2_GPIO_Port, PH2_Pin);
|
||
PH1_value = HAL_GPIO_ReadPin(PH1_GPIO_Port, PH1_Pin);
|
||
|
||
if(GPIO_Pin == PH1_Pin && PH1_value == GPIO_PIN_SET )
|
||
{
|
||
|
||
//判断电机运动状态
|
||
static uint32_t last_tick = 0;
|
||
// last_tick = HAL_GetTick();
|
||
uint32_t a = HAL_GetTick();
|
||
if( (a -last_tick) < 8)
|
||
{
|
||
bsp_StartAutoTimer(4,1000); //1秒没有检测到上升沿，说明电机不正常或红外线发射接收不正常
|
||
if(motor_state == 1)
|
||
{
|
||
bsp_StartAutoTimer(2,500); //led2闪烁
|
||
motor_state = 0;
|
||
}
|
||
|
||
}
|
||
last_tick = a;
|
||
|
||
//判断极性
|
||
if(PH2_value==GPIO_PIN_SET)
|
||
{
|
||
polaNumber ++;
|
||
}
|
||
count++;
|
||
if(count>=10)
|
||
{
|
||
if(polaNumber>=3)polarity=1;
|
||
else
|
||
{polarity = -1;}
|
||
count =0;
|
||
polaNumber =0;
|
||
}
|
||
|
||
}
|
||
|
||
else if(GPIO_Pin == SDA_Pin) //判断压板投退状态
|
||
{
|
||
bsp_StartAutoTimer(3,5000); //5秒没有上升下降沿，说明可能没有加反向电场
|
||
static uint8_t posinumber =0,neganumber = 0,last_state=1;
|
||
if(HAL_GPIO_ReadPin(SDA_GPIO_Port, SDA_Pin) == GPIO_PIN_SET) //上升沿
|
||
{
|
||
electric_flag = 1;
|
||
motor_runtime = adc_positive - adc_negative;
|
||
if(adc_positive - adc_negative >estimate_value
|
||
&& adc_positive - last_negative >estimate_value)
|
||
{
|
||
posinumber++;
|
||
neganumber = 0;
|
||
if(posinumber>=3)
|
||
{
|
||
adc_state = 0; //0是退
|
||
}
|
||
if(posinumber>250)posinumber = 3;
|
||
}
|
||
else
|
||
{
|
||
neganumber++;
|
||
posinumber = 0;
|
||
if(neganumber>=2)
|
||
{
|
||
adc_state = 1; //1是投
|
||
if(last_state == 0)
|
||
{
|
||
reference =0;
|
||
}
|
||
}
|
||
if(neganumber>250)neganumber = 3;
|
||
}
|
||
last_negative =adc_negative;
|
||
|
||
static uint16_t thresh_cnt =0;
|
||
if( abs(adc_positive)<threshold_value && abs(adc_negative)<threshold_value)
|
||
{
|
||
thresh_cnt++;
|
||
if(thresh_cnt>=3)
|
||
{
|
||
adc_state = 0; //0是退
|
||
thresh_cnt =3;
|
||
}
|
||
|
||
}
|
||
else {
|
||
thresh_cnt = 0;
|
||
}
|
||
|
||
|
||
adc_positive = adc_max; //上升沿赋值正值，下降沿赋值负值
|
||
last_state = adc_state;
|
||
}
|
||
}
|
||
__HAL_GPIO_EXTI_CLEAR_RISING_IT(GPIO_Pin);
|
||
}
|
||
|
||
|
||
void HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin)
|
||
{
|
||
if(GPIO_Pin == SDA_Pin)
|
||
{
|
||
if(HAL_GPIO_ReadPin(SDA_GPIO_Port, SDA_Pin) == GPIO_PIN_RESET)
|
||
{
|
||
electric_flag = 0;
|
||
}
|
||
adc_negative = adc_max;
|
||
}
|
||
}
|
||
|
||
|
||
void Uart_SetBaud(int16_t baud)
|
||
{
|
||
HAL_UART_DeInit(&huart1); //如果不清除，DMA会产生bug
|
||
|
||
huart1.Instance = USART1;
|
||
huart1.Init.BaudRate = 9600;
|
||
if(baud == 1)
|
||
{
|
||
huart1.Init.BaudRate = 19200;
|
||
}
|
||
else if(baud == 2)
|
||
{
|
||
huart1.Init.BaudRate = 57600;
|
||
}
|
||
else if(baud == 3)
|
||
{
|
||
huart1.Init.BaudRate = 115200;
|
||
}
|
||
huart1.Init.WordLength = UART_WORDLENGTH_8B;
|
||
huart1.Init.StopBits = UART_STOPBITS_1;
|
||
huart1.Init.Parity = UART_PARITY_NONE;
|
||
huart1.Init.Mode = UART_MODE_TX_RX;
|
||
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
||
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
|
||
huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
||
huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;
|
||
huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
||
if (HAL_UART_Init(&huart1) != HAL_OK)
|
||
{
|
||
Error_Handler();
|
||
}
|
||
if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
|
||
{
|
||
Error_Handler();
|
||
}
|
||
if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
|
||
{
|
||
Error_Handler();
|
||
}
|
||
if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK)
|
||
{
|
||
Error_Handler();
|
||
}
|
||
|
||
__HAL_UART_ENABLE_IT(&huart1,UART_IT_IDLE);
|
||
__HAL_UART_CLEAR_IT(&huart1,UART_CLEAR_IDLEF|UART_CLEAR_TCF);
|
||
}
|
||
|
||
|
||
|
||
//计算电压值，每6秒钟调用一次
|
||
void calculate_voltage(void)
|
||
{
|
||
static uint16_t last_count = 0,count =0;
|
||
static int16_t last_adc = 0;
|
||
static int8_t a = 0;
|
||
|
||
if(adc_state == 0)
|
||
{
|
||
voltage = 0;
|
||
}
|
||
else
|
||
{
|
||
if(reference == 0) //0为默认处理方式，
|
||
{
|
||
count++;
|
||
a = adc_max/abs(adc_max);
|
||
voltage =a*110;
|
||
if(count -last_count >= 5 ) //每6秒钟调用一次
|
||
{
|
||
if(abs(adc_max-last_adc) < 40 && count >= 30)
|
||
{
|
||
reference = adc_max;
|
||
count =0;
|
||
}
|
||
last_count = count;
|
||
last_adc = adc_max;
|
||
}
|
||
|
||
}
|
||
|
||
else if(reference == 1) //人为设置电压参考值为0时的处理
|
||
{
|
||
voltage =0;
|
||
if(abs(adc_max-last_adc)>300 )
|
||
{
|
||
reference = 0;
|
||
write_flash();
|
||
|
||
}
|
||
last_adc = adc_max;
|
||
}
|
||
|
||
}
|
||
}
|