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