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- /* USER CODE BEGIN Header */
- /**
- ******************************************************************************
- * @file : main.c
- * @brief : Main program body
- * @attention
- *
- * <h2><center>© Copyright (c) 2019 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the License; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * www.st.com/SLA0044
- *
- ******************************************************************************
- */
- /* USER CODE END Header */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "adc.h"
- #include "usart.h"
- #include "i2c.h"
- #include "tim.h"
- #include "stm32f4xx_hal.h"
- #include "gpio.h"
- #include "stdio.h"
- /* Private variables ---------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- #define VECT_TAB_OFFSET 0x10000
- int tankstatus = 0;
- uint8_t zigbeecmd1[5]={0xFE,0x00,0x01,0x00,0x01};
- uint8_t zigbeecmd2[5]={0xFE,0x00,0x02,0x00,0x02};
- uint8_t zigbeestatu[20];
- uint8_t zigbeestatu1[5];
- uint8_t zigbeecon[7]="connect";
- uint8_t zigbeenotcon[11]="not connect";
- uint8_t zigbeechang[14]="change is down";
- uint8_t cmd[7]={0xFF,0x00,0x00,0x00,0x00,0x00,0x0D};
- HAL_StatusTypeDef Status;
- #define ADDR_AT24C04_WRITE_FIRST_16_PAGES 0xEC
- #define ADDR_AT24C04_WRITE_FIRST_16_PAGES 0xEC
- #define ADDR_AT24C04_READ 0xED
- #define AT24C04_TIMEOUT 0xED
- #define AT24C04_PAGE_SIZE 16
- #define BUFFER_SIZE 1
- uint16_t dig_T1;
- uint16_t dig_T2;
- uint16_t dig_T3;
- uint16_t dig_P1;
- uint16_t dig_P2;
- uint16_t dig_P3;
- uint16_t dig_P4;
- uint16_t dig_P5;
- uint16_t dig_P6;
- uint16_t dig_P7;
- uint16_t dig_P8;
- uint16_t dig_P9;
- uint32_t adc_P=0;
- uint32_t adc_T=0;
- uint8_t WriteBuffer[BUFFER_SIZE]={0xb6};
- uint8_t WriteBuffer1[BUFFER_SIZE]={0xff};
- uint8_t WriteBuffer2[BUFFER_SIZE]={0x00};
- uint8_t ReadBuffer[BUFFER_SIZE];
- int RH;
- float M15_BMP280 =0;
- /* USER CODE BEGIN PV */
- typedef void (*pFunction)(void);
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- void MX_ADC1_Init1(char pin);
- void sensor(void);
- HAL_StatusTypeDef AT24C04_Write(I2C_HandleTypeDef *hi2c,uint16_t MemAddress,uint8_t *pData);
- HAL_StatusTypeDef AT24C04_Read(I2C_HandleTypeDef *hi2c,uint16_t MemAddress,uint8_t *pData);
- long bmp280_T_MultipleReadThree(void);
- long bmp280_P_MultipleReadThree(void);
- short bmp280_MultipleReadTwo(uint16_t addr);
- /* USER CODE BEGIN PFP */
- /* USER CODE END PFP */
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
- int _write(int fd, char *ch, int len)
- {
- HAL_UART_Transmit(&huart4, (uint8_t*)ch, len, 0xFFFF);
- HAL_UART_Transmit(&huart2, (uint8_t*)ch, len, 0xFFFF);
- return len;
- }
- void print(char* s, float c)
- { int w;
- int w_d;
- int w_f;
- if(c<0)
- {
- w = c*100;
- w_d = w/100;
- w_f = (-1*w)%100;
- }
- else
- {
- w = c*100;
- w_d = w/100;
- w_f = w%100;
- }
- printf("%s = %d.%d\n",s,w_d,w_f);
- }
- /* USER CODE END 0 */
- /**
- * @brief The application entry point.
- * @retval int
- */
- int main(void)
- {
- SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET;
- HAL_Init();
- SystemClock_Config();
- MX_GPIO_Init();
- MX_USART2_UART_Init();
- MX_UART4_Init();
- MX_USART1_UART_Init();
- HAL_UART_Transmit(&huart2, (uint8_t *)zigbeecmd2, sizeof(zigbeecmd2), 10);
- HAL_Delay(1000);
- HAL_UART_Transmit(&huart2, (uint8_t *)zigbeecmd1, sizeof(zigbeecmd1), 10);
- HAL_UART_Receive(&huart2, (uint8_t *)zigbeestatu,sizeof(zigbeestatu),2000);
- HAL_UART_Transmit(&huart4, (uint8_t *)zigbeestatu, sizeof(zigbeestatu),10);
- if (zigbeestatu[18]== 0x01 || zigbeestatu[18]== 0x02)
- {
- HAL_UART_Transmit(&huart4, (uint8_t *)zigbeecon, sizeof(zigbeecon),10);
- }
- else if(zigbeestatu[18]== 0x05)
- {
- HAL_UART_Transmit(&huart4, (uint8_t *)zigbeenotcon, sizeof(zigbeenotcon),10);
- }
- AT24C04_Write(&hi2c1,0xe0,WriteBuffer);
- AT24C04_Write(&hi2c1,0xf4,WriteBuffer1);
- AT24C04_Write(&hi2c1,0xf5,WriteBuffer2);
- dig_T1 = bmp280_MultipleReadTwo(0x88);
- dig_T2 = bmp280_MultipleReadTwo(0x8A);
- dig_T3 = bmp280_MultipleReadTwo(0x8C);
- dig_P1 = bmp280_MultipleReadTwo(0x8E);
- dig_P2 = bmp280_MultipleReadTwo(0x90);
- dig_P3 = bmp280_MultipleReadTwo(0x92);
- dig_P4 = bmp280_MultipleReadTwo(0x94);
- dig_P5 = bmp280_MultipleReadTwo(0x96);
- dig_P6 = bmp280_MultipleReadTwo(0x98);
- dig_P7 = bmp280_MultipleReadTwo(0x9A);
- dig_P8 = bmp280_MultipleReadTwo(0x9C);
- dig_P9 = bmp280_MultipleReadTwo(0x9E);
- while (1)
- {
- sensor();
- if(M15_BMP280<16)
- {
- HAL_GPIO_WritePin(GPIOA,GPIO_PIN_10, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOD,GPIO_PIN_15, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOD,GPIO_PIN_13, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOD,GPIO_PIN_11, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOB,GPIO_PIN_15, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOE,GPIO_PIN_15, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOE,GPIO_PIN_13, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(GPIOE,GPIO_PIN_11, GPIO_PIN_RESET);
- }
- }
- }
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- __HAL_RCC_PWR_CLK_ENABLE();
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
- RCC_OscInitStruct.PLL.PLLM = 8;
- RCC_OscInitStruct.PLL.PLLN = 72;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 3;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
- {
- Error_Handler();
- }
- }
- void user_pwm_setvalue(uint16_t value)
- {
- TIM_OC_InitTypeDef sConfigOC;
- sConfigOC.OCMode = TIM_OCMODE_PWM1;
- sConfigOC.Pulse = value;
- sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
- sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
- HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_1);
- HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1);
- }
- void user_pwm_setvalue2(uint16_t value)
- {
- TIM_OC_InitTypeDef sConfigOC;
- sConfigOC.OCMode = TIM_OCMODE_PWM1;
- sConfigOC.Pulse = value;
- sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
- sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
- HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_2);
- HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_2);
- }
- void sensor(void)
- {
- adc_T=bmp280_T_MultipleReadThree();
- adc_P=bmp280_P_MultipleReadThree();
- double var1, var2,t_fine;
- var1 = (((double) adc_T) / 16384.0 - ((double) dig_T1) / 1024.0)* ((double) dig_T2);
- var2 = ((((double) adc_T) / 131072.0 - ((double) dig_T1) / 8192.0)* (((double) adc_T) / 131072.0 - ((double) dig_T1) / 8192.0))* ((double) dig_T3);
- t_fine = (int32_t) (var1 + var2);
- double temperature = (var1 + var2) / 5120.0;
- double pressure;
- var1 = (t_fine / 2.0) - 64000.0;
- var2 = var1 * var1 * ((double) dig_P6) / 32768.0;
- var2 = var2 + var1 * ((double) dig_P5) * 2.0;
- var2 = (var2 / 4.0) + (((double) dig_P4) * 65536.0);
- var1 = (((double) dig_P3) * var1 * var1 / 524288.0+ ((double) dig_P2) * var1) / 524288.0;
- var1 = (1.0 + var1 / 32768.0) * ((double) dig_P1);
- if (var1 == 0.0)
- {
- var1 = 0;
- }
- pressure = 1048576.0 - (double) adc_P;
- pressure = (pressure - (var2 / 4096.0)) * 6250.0 / var1;
- var1 = ((double) dig_P9) * pressure * pressure / 2147483648.0;
- var2 = pressure * ((double) dig_P8) / 32768.0;
- pressure = pressure + (var1 + var2 + ((double) dig_P7)) / 16.0;
- cmd[1]=pressure/10000;
- int pa =pressure;
- cmd[2]=(pa%10000)/100;
- cmd[3]=(pa%10000)%100;
- HAL_UART_Transmit(&huart4, (uint8_t *)cmd, sizeof(cmd),1);
- HAL_Delay(10000);
- }
- HAL_StatusTypeDef AT24C04_Write(I2C_HandleTypeDef *hi2c,uint16_t MemAddress,uint8_t *pData)
- {
- Status = HAL_I2C_Mem_Write(&hi2c1, ADDR_AT24C04_WRITE_FIRST_16_PAGES, MemAddress, I2C_MEMADD_SIZE_8BIT, pData, AT24C04_PAGE_SIZE, AT24C04_TIMEOUT);
- return Status;
- }
- HAL_StatusTypeDef AT24C04_Read(I2C_HandleTypeDef *hi2c,uint16_t MemAddress,uint8_t *pData)
- {
- Status = HAL_I2C_Mem_Read(&hi2c1, ADDR_AT24C04_READ, MemAddress, I2C_MEMADD_SIZE_8BIT, pData, BUFFER_SIZE, AT24C04_TIMEOUT);
- return Status;
- }
- long bmp280_T_MultipleReadThree()
- {
- uint8_t msb, lsb, xlsb;
- int32_t temp = 0;
- AT24C04_Read(&hi2c1,0xfa,ReadBuffer);
- msb=ReadBuffer[0];
- AT24C04_Read(&hi2c1,0xfb,ReadBuffer);
- lsb=ReadBuffer[0];
- AT24C04_Read(&hi2c1,0xfc,ReadBuffer);
- xlsb=ReadBuffer[0];
- temp = ((msb << 12)|(lsb << 4)|(xlsb >> 4));
- return temp;
- }
- long bmp280_P_MultipleReadThree()
- {
- uint8_t msb, lsb, xlsb;
- int32_t pressure = 0;
- AT24C04_Read(&hi2c1,0xf7,ReadBuffer);
- msb=ReadBuffer[0];
- AT24C04_Read(&hi2c1,0xf8,ReadBuffer);
- lsb=ReadBuffer[0];
- AT24C04_Read(&hi2c1,0xf9,ReadBuffer);
- xlsb=ReadBuffer[0];
- pressure = ((msb << 12)|(lsb << 4)|(xlsb >> 4));
- return pressure;
- }
- short bmp280_MultipleReadTwo(uint16_t addr )
- {
- uint8_t msb, lsb;
- uint16_t temp = 0;
- AT24C04_Read(&hi2c1,addr,ReadBuffer);
- lsb = ReadBuffer[0];
- AT24C04_Read(&hi2c1,addr+1,ReadBuffer);
- msb = ReadBuffer[0];
- temp = msb << 8|lsb;
- return temp;
- }
- void MX_ADC1_Init1(char pin)
- {
- ADC_ChannelConfTypeDef sConfig = {0};
- hadc1.Instance = ADC1;
- hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2;
- hadc1.Init.Resolution = ADC_RESOLUTION_12B;
- hadc1.Init.ScanConvMode = DISABLE;
- hadc1.Init.ContinuousConvMode = DISABLE;
- hadc1.Init.DiscontinuousConvMode = DISABLE;
- hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
- hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
- hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
- hadc1.Init.NbrOfConversion = 1;
- hadc1.Init.DMAContinuousRequests = DISABLE;
- hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
- if (HAL_ADC_Init(&hadc1) != HAL_OK)
- {
- Error_Handler();
- }
- sConfig.Channel = pin;
- sConfig.Rank = 1;
- sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
- if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
- {
- Error_Handler();
- }
- }
- void MX_GPIO_Input1(unsigned long pin)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- __HAL_RCC_GPIOE_CLK_ENABLE();
- GPIO_InitStruct.Pin = pin;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_PULLDOWN;
- HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
- }
- void Error_Handler(void)
- {
- }
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