123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119 |
- /* 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 "gpio.h"
- #include "stdio.h"
- /* Private variables ---------------------------------------------------------*/
- uint16_t M4_AD_Value = 0;
- float M4_voltage_V =0;
- float M4_pH_mid = 1.500;
- float M4_pH_low = 2.030;
- float M4_pH_high =0.975;
- float M4_PH=0;
- /* USER CODE BEGIN PV */
- typedef void (*pFunction)(void);
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- /* USER CODE BEGIN PFP */
- /* USER CODE END PFP */
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
- /* USER CODE END 0 */
- /**
- * @brief The application entry point.
- * @retval int
- */
- int main(void)
- {
- HAL_Init();
- SystemClock_Config();
- MX_GPIO_Init();
- MX_USART2_UART_Init();
- MX_UART4_Init();
- MX_USART1_UART_Init();
- MX_ADC1_Init();
- while (1)
- {
- HAL_ADC_Start(&hadc1);
- HAL_ADC_PollForConversion(&hadc1, 50);
- if(HAL_IS_BIT_SET(HAL_ADC_GetState(&hadc1), HAL_ADC_STATE_REG_EOC))
- {
- M4_AD_Value = HAL_ADC_GetValue(&hadc1);
- M4_voltage_V = M4_AD_Value*3.3f/4096;
- if (M4_voltage_V > M4_pH_mid)
- {
- M4_PH = 7.0 - 3.0 / (M4_pH_low - M4_pH_mid) * (M4_voltage_V - M4_pH_mid);
- }
- else
- {
- M4_PH = 7.0 - 3.0 / (M4_pH_mid - M4_pH_high) * (M4_voltage_V - M4_pH_mid);
- }
- printf("M4_PH: %1.1f\n",M4_PH);
- }
- HAL_Delay(10000);
- if(>=20 and tankstatus == Waiting and M4_PH < 14)
- {
- HAL_GPIO_WritePin(GPIOE,GPIO_PIN_15, GPIO_PIN_RESET);
-
- HAL_Delay(30);
- }
- }
- }
- 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 Error_Handler(void)
- {
- }
|