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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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+uint16_t M4_AD_Value = 0;
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+float M4_voltage_V =0;
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+float M4_pH_mid = 1.500;
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+float M4_pH_low = 2.030;
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+float M4_pH_high =0.975;
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+float M4_PH=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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+/* 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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+ while (1)
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+ {
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+ sensor();
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+ if(M4_PH<16)
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+ {
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+ HAL_GPIO_WritePin(GPIOA,GPIO_PIN_13, 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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+ HAL_Delay(5000);
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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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+ MX_ADC1_Init1(ADC_CHANNEL_0);
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+ HAL_ADC_Start(&hadc1);
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+ HAL_ADC_PollForConversion(&hadc1, 50);
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+ if(HAL_IS_BIT_SET(HAL_ADC_GetState(&hadc1), HAL_ADC_STATE_REG_EOC))
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+ {
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+ M4_AD_Value = HAL_ADC_GetValue(&hadc1);
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+ M4_voltage_V = M4_AD_Value*3.3f/4096;
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+ if (M4_voltage_V > M4_pH_mid)
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+ {
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+ M4_PH = 7.0 - 3.0 / (M4_pH_low - M4_pH_mid) * (M4_voltage_V - M4_pH_mid);
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+ }
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+ else
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+ {
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+ M4_PH = 7.0 - 3.0 / (M4_pH_mid - M4_pH_high) * (M4_voltage_V - M4_pH_mid);
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+ }
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+ }
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+ print("M4_PH",M4_PH);
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+ HAL_Delay(10000);
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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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+}
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+void Error_Handler(void)
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+{
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+}
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