380 lines
9.5 KiB
C
380 lines
9.5 KiB
C
/*
|
||
* user.c
|
||
*
|
||
* Created on: 2023年1月29日
|
||
* Author: wyf
|
||
*/
|
||
|
||
#include "user.h"
|
||
#include "user_lib.h"
|
||
|
||
uint16_t RS485ADDR = 0;
|
||
uint16_t RegularConvData_Tab[ADCBUFF_LEN] = {0};//ADC采集原始数据
|
||
int16_t adc_max = 0,adc1_max = 0; //最终峰峰值和
|
||
int16_t adc_positive = 0, adc_negative=0; //加外加电场后的adc值和压板投退状态
|
||
uint8_t usart_count = 0; //串口接收数据个数
|
||
uint16_t pwm_pulse = 0; //pwm波脉宽
|
||
int16_t adcValue_factor = 0; //adc测量值得修正系数*10
|
||
uint8_t RxBuff[BUFF_LEN] = {0}; //串口接收缓冲区
|
||
uint8_t TXBuff[BUFF_LEN] = {0}; //串口发送缓冲区
|
||
uint8_t uBuff[BUFF_LEN] = {0}; //用户缓冲区
|
||
int8_t polarity = 1,adc_state = 1; //电场极性,投退状态
|
||
uint8_t electric_flag = 0; //外加的反向电场极限，0为负，1为正
|
||
|
||
|
||
|
||
//计算峰峰值
|
||
void ADC_MAX(void)
|
||
{
|
||
uint8_t i =0;
|
||
static uint8_t number = 0;
|
||
uint16_t max = 0,min = 0;
|
||
max = RegularConvData_Tab[0];
|
||
min = RegularConvData_Tab[0];
|
||
for(i = 1;i<ADCBUFF_LEN;i++)
|
||
{
|
||
if(RegularConvData_Tab[i] > max )
|
||
{
|
||
max = RegularConvData_Tab[i];
|
||
}
|
||
else if(RegularConvData_Tab[i] < min )
|
||
{
|
||
min = RegularConvData_Tab[i];
|
||
}
|
||
}
|
||
|
||
if(max - min > 0)
|
||
{
|
||
adc1_max += max - min;
|
||
}
|
||
|
||
if(number++>=4)
|
||
{
|
||
adc1_max = adc1_max/5*3300/4095;
|
||
adc1_max = adc1_max*adcValue_factor/10;
|
||
adc1_max =polarity*adc1_max;
|
||
if(abs(adc1_max-adc_max) > 10)
|
||
{
|
||
adc_max = adc1_max;
|
||
}
|
||
if(electric_flag == 1)
|
||
{
|
||
adc_positive = adc_max;
|
||
}
|
||
else if(electric_flag == 0)
|
||
{
|
||
adc_negative = adc_max;
|
||
}
|
||
adc1_max = 0;
|
||
number = 0;
|
||
}
|
||
}
|
||
|
||
|
||
void Usart_Receive(void)
|
||
{
|
||
if( (uint16_t)uBuff[0] == RS485ADDR && usart_count == 8)
|
||
{
|
||
switch(uBuff[1]) //第二个字节，功能码
|
||
{
|
||
case 0x03: //读取传感器数据
|
||
MODBUS_03H();
|
||
break;
|
||
|
||
case 0x06: //修改modbus从机地址，默认为1
|
||
MODBUS_06H();
|
||
break;
|
||
default:break;
|
||
}
|
||
|
||
}
|
||
|
||
//处理广播命令
|
||
else if( (uint16_t)uBuff[0] == 0 && usart_count== 8)
|
||
{
|
||
switch(uBuff[1]) //第二个字节，功能码
|
||
{
|
||
case 0x06: //修改modbus从机地址，默认为1
|
||
MODBUS_06H();
|
||
break;
|
||
default:break;
|
||
}
|
||
}
|
||
|
||
|
||
usart_count = 0; // 清零，下次再次进入
|
||
// memset(uBuff, 0, sizeof(uBuff)); // 清空
|
||
}
|
||
|
||
|
||
//读取传感器数值
|
||
void MODBUS_03H(void)
|
||
{
|
||
uint8_t crch,crcl;
|
||
uint16_t crcack;
|
||
uint16_t addr = BEBufToUint16( (uint8_t*)(&uBuff[2])); //寄存器地址
|
||
uint16_t number = BEBufToUint16( (uint8_t*)(&uBuff[4])); //寄存器数量
|
||
uint16_t crc = CRC16_Modbus( (uint8_t*)(&uBuff[0]),6); //计算CRC
|
||
crch = crc>>8;
|
||
crcl = crc&0x00FF;
|
||
|
||
//返回传感器测量数据
|
||
if(addr == 0x0001 && number == 0x0002 &&crch== uBuff[6] && crcl== uBuff[7]) //比较寄存器值和CRC校验值
|
||
{
|
||
TXBuff[0] = uBuff[0]; //传感器地址
|
||
TXBuff[1] = uBuff[1]; //功能码
|
||
TXBuff[2] = 0x04; //数据的字节数
|
||
TXBuff[3] = adc_max>>8; //数据的高字节
|
||
TXBuff[4] = adc_max&0x00ff; //数据的低字节
|
||
TXBuff[5] = adc_state>>8; //投退状态
|
||
TXBuff[6] = adc_state&0xff; //投退状态
|
||
crcack = CRC16_Modbus( (uint8_t*)(&TXBuff[0]),7); //计算返回数据CRC
|
||
TXBuff[7] = crcack>>8; //返回数据crc高字节
|
||
TXBuff[8] = crcack&0x00ff; //crc低字节
|
||
send_ack(9+2);
|
||
}
|
||
|
||
//返回软件版本
|
||
if(addr == 0x00FF && number == 0x0001 && crch== uBuff[6] && crcl== uBuff[7]) //比较寄存器值和CRC校验值
|
||
{
|
||
uint8_t string[]="DCE-2302-V4_HAL";
|
||
uint8_t i;
|
||
for(i=0;i<sizeof(string);i++)
|
||
{
|
||
TXBuff[i] = string[i];
|
||
}
|
||
|
||
send_ack(sizeof(string)+1); //打印版本号
|
||
}
|
||
//返回传感器运行时间
|
||
|
||
|
||
//返回pwm波占空比
|
||
if(addr == 0x0002 && number == 0x0001 &&crch== uBuff[6] && crcl== uBuff[7]) //比较寄存器值和CRC校验值
|
||
{
|
||
TXBuff[0] = uBuff[0]; //传感器地址
|
||
TXBuff[1] = uBuff[1]; //功能码
|
||
TXBuff[2] = 0x02; //数据的字节数
|
||
TXBuff[3] = pwm_pulse>>8; //数据的高字节
|
||
TXBuff[4] = pwm_pulse&0x00ff; //数据的低字节
|
||
crcack = CRC16_Modbus( (uint8_t*)(&TXBuff[0]),5); //计算返回数据CRC
|
||
TXBuff[5] = crcack>>8; //返回数据crc高字节
|
||
TXBuff[6] = crcack&0x00ff; //crc低字节
|
||
send_ack(7+2);
|
||
}
|
||
|
||
//返回修改系数
|
||
if(addr == 0x0003 && number == 0x0001 &&crch== uBuff[6] && crcl== uBuff[7]) //比较寄存器值和CRC校验值
|
||
{
|
||
TXBuff[0] = uBuff[0]; //传感器地址
|
||
TXBuff[1] = uBuff[1]; //功能码
|
||
TXBuff[2] = 0x02; //数据的字节数
|
||
TXBuff[3] = adcValue_factor>>8; //数据的高字节
|
||
TXBuff[4] = adcValue_factor&0x00ff; //数据的低字节
|
||
crcack = CRC16_Modbus( (uint8_t*)(&TXBuff[0]),5); //计算返回数据CRC
|
||
TXBuff[5] = crcack>>8; //返回数据crc高字节
|
||
TXBuff[6] = crcack&0x00ff; //crc低字节
|
||
send_ack(7+2);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
void MODBUS_06H(void)
|
||
{
|
||
uint8_t i;
|
||
int16_t data = (uBuff[4]<<8)|uBuff[5]; //要修改的数据
|
||
uint16_t reg = BEBufToUint16( (uint8_t*)(&uBuff[2])); //寄存器地址
|
||
uint16_t crc = CRC16_Modbus( (uint8_t*)(&uBuff[0]),6); //计算CRC
|
||
|
||
for( i = 0; i<6; i++)
|
||
{
|
||
TXBuff[i] = uBuff[i];
|
||
}
|
||
TXBuff[6] = crc>>8;
|
||
TXBuff[7] = crc&0x00FF;
|
||
|
||
//修改地址
|
||
if(reg == 0x000f && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7]) //比较寄存器值和CRC校验值
|
||
{
|
||
if(data>=1 && data<= 247) //从机地址要大于等于1，小于等于247
|
||
{
|
||
RS485ADDR = data; //更新地址
|
||
__set_PRIMASK(1); /* 关中断 */
|
||
if(write_flash() == 0)
|
||
{
|
||
__set_PRIMASK(0); /* 开中断 */
|
||
if(uBuff[0] != 0)
|
||
{
|
||
send_ack(8+2);
|
||
}
|
||
}
|
||
}
|
||
else //地址超出范围时的返回值
|
||
{
|
||
TXBuff[4] = 0xFF;
|
||
TXBuff[5] = 0xFF;
|
||
crc = CRC16_Modbus( (uint8_t*)(&uBuff[0]),6); //计算CRC
|
||
TXBuff[6] = crc>>8;
|
||
TXBuff[7] = crc&0x00FF;
|
||
if(uBuff[0] != 0) //广播地址不返回
|
||
{
|
||
send_ack(8+2);
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
//设置PWM波脉宽
|
||
else if(reg == 0x0002 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
|
||
{
|
||
if(data>=1 && data<= 1000) //从机地址要大于等于1，小于等于247
|
||
{
|
||
pwm_pulse = data; //更新地址
|
||
__HAL_TIM_SET_COMPARE(&htim14,TIM_CHANNEL_1,pwm_pulse); //设置脉宽
|
||
__set_PRIMASK(1); /* 关中断 */
|
||
if(write_flash() == 0)
|
||
{
|
||
__set_PRIMASK(0); /* 开中断 */
|
||
send_ack(8+2);
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
//设置数系数
|
||
else if(reg == 0x0003 && TXBuff[6]== uBuff[6] && TXBuff[7]== uBuff[7])
|
||
{
|
||
if(data>=-3300 && data<= 3300) //数据大于1小于3300
|
||
{
|
||
adcValue_factor = data*10/adc_max;
|
||
if(data == 1)adcValue_factor = 10;
|
||
__set_PRIMASK(1); /* 关中断 */
|
||
if(write_flash() == 0)
|
||
{
|
||
__set_PRIMASK(0); /* 开中断 */
|
||
send_ack(8+2);
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
memset(uBuff, 0, sizeof(uBuff)); // 清空
|
||
}
|
||
|
||
|
||
void send_ack(uint8_t a)
|
||
{
|
||
HAL_GPIO_WritePin(TX485_PN_GPIO_Port, TX485_PN_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);
|
||
HAL_GPIO_WritePin(TX485_PN_GPIO_Port, TX485_PN_Pin, GPIO_PIN_RESET);//使能485芯片接收
|
||
}
|
||
|
||
|
||
uint8_t write_flash(void)
|
||
{
|
||
FLASH_EraseInitTypeDef EraseInitType;
|
||
uint32_t PageError;
|
||
uint8_t a[8] = {0};
|
||
|
||
//stm32f030F4P6: flash 16k,1k一页，共16页
|
||
EraseInitType.TypeErase = FLASH_TYPEERASE_PAGES; //页擦书
|
||
EraseInitType.PageAddress = FLASH485_ADDR; //擦除页地址
|
||
EraseInitType.NbPages = 1; //擦除数量
|
||
|
||
HAL_FLASH_Unlock(); //解锁
|
||
if(HAL_FLASHEx_Erase(&EraseInitType, &PageError) != HAL_OK) //擦除
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
|
||
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;
|
||
uint64_t *b = (uint64_t*)a;
|
||
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, FLASH485_ADDR, *b) != HAL_OK)
|
||
{
|
||
return 3 ;
|
||
}
|
||
HAL_FLASH_Lock();
|
||
return 0;
|
||
}
|
||
|
||
//判断极性
|
||
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
|
||
{
|
||
// GPIO_PinState = HAL_GPIO_ReadPin(coderA_GPIO_Port, coderA_Pin);
|
||
|
||
if(GPIO_Pin == PH1_Pin)
|
||
{
|
||
GPIO_PinState PH2_value = HAL_GPIO_ReadPin(PH2_GPIO_Port, PH2_Pin);
|
||
static uint8_t count = 0,polaNumber =0;
|
||
if(PH2_value==GPIO_PIN_SET)
|
||
{
|
||
polaNumber ++;
|
||
}
|
||
count++;
|
||
if(count>5)
|
||
{
|
||
if(polaNumber>=3)polarity=1;
|
||
else{polarity = -1;}
|
||
count =0;
|
||
polaNumber =0;
|
||
}
|
||
}
|
||
else if(GPIO_Pin == electric_Pin)
|
||
{
|
||
bsp_StartAutoTimer(2,5000); //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;
|
||
if(HAL_GPIO_ReadPin(electric_GPIO_Port, electric_Pin) == GPIO_PIN_SET) //上升沿
|
||
{
|
||
electric_flag = 1;
|
||
if(adc_positive - adc_negative >100)
|
||
{
|
||
posinumber++;
|
||
if(posinumber>=3)
|
||
{
|
||
adc_state = 0;
|
||
neganumber = 0;
|
||
}
|
||
if(posinumber>250)posinumber = 3;
|
||
}
|
||
else
|
||
{
|
||
neganumber++;
|
||
if(neganumber>=3)
|
||
{
|
||
adc_state = 1;
|
||
posinumber = 0;
|
||
}
|
||
if(neganumber>250)neganumber = 3;
|
||
}
|
||
if(abs(adc_max) <= 300)
|
||
{
|
||
adc_state = 0;
|
||
}
|
||
}
|
||
else {
|
||
electric_flag = 0;
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|