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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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+uint16_t i,val,value_H,value_L,Cvalue,Hvalue;
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+int error;
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+float C1=-2.0468;
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+float C2=0.0367;
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+float C3=-0.0000015955;
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+float RH_Lin;
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+float RH_Ture;
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+float d1=-39.6;
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+float d2=0.01;
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+float T1=0.01;
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+float T2=0.00008;
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+float temp_C=0;
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+int temp;
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+int RH;
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+float M14_SHT11 =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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+void SHT10_TransStart(void);
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+void SHT10_WriteByte(void);
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+void SHT10_WriteByte2(void);
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+void SHT10_ReadByte(void);
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+void SHT10_Calculate(void);
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+void MX_GPIO_Input1(unsigned long pin);
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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(M14_SHT11<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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+ HAL_GPIO_WritePin(GPIOA,GPIO_PIN_13, GPIO_PIN_SET);
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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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+ Cvalue=0;
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+ Hvalue=0;
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+ value_H=0;
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+ value_L=0;
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+ SHT10_TransStart();
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+ SHT10_WriteByte();
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+ MX_GPIO_Input1(GPIO_PIN_0);
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+ HAL_Delay(250);
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+ if (HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_0)==0)
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+ {
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+ SHT10_ReadByte();
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+ value_H=val;
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+ SHT10_ReadByte();
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+ value_L=val;
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+ Cvalue = (value_H<< 8 | value_L);
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+ }
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+ SHT10_TransStart();
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+ SHT10_WriteByte2();
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+ MX_GPIO_Input1(GPIO_PIN_0);
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+ HAL_Delay(250);
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+ if (HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_0)==0)
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+ {
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+ SHT10_ReadByte();
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+ value_H=val;
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+ SHT10_ReadByte();
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+ value_L=val;
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+ Hvalue = (value_H<< 8 | value_L);
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+ }
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+ SHT10_Calculate();
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+ HAL_Delay(10000);
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+}
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+ void SHT10_TransStart(void)
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+{
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+ MX_GPIO_Init1();
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_SET);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+}
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+ void SHT10_WriteByte(void)
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+{
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+ MX_GPIO_Init1();
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+ for (i=0x80;i>0;i/=2)
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+ {
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+ if (i & 0x03)
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_SET);
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+ else
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+ }
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+ MX_GPIO_Input1(GPIO_PIN_0);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ error=HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_0);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+}
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+ void SHT10_WriteByte2(void)
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+{
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+ MX_GPIO_Init1();
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+ for (i=0x80;i>0;i/=2)
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+ {
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+ if (i & 0x05)
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_SET);
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+ else
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+ }
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+ MX_GPIO_Input1(GPIO_PIN_0);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ error=HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_0);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+}
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+ void SHT10_ReadByte(void)
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+{
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+ val=0;
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+ MX_GPIO_Input1(GPIO_PIN_0);
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+ for (i=0x80;i>0;i/=2)
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+ {
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ if(HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_0))
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+ val=( val | i );
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ }
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+ MX_GPIO_Init1();
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+ if (1)
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_RESET);
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+ else
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_SET);
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+ HAL_Delay(10);
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+ HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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+ HAL_Delay(10);
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+}
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+ void SHT10_Calculate(void)
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+{
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+ temp_C=d1+d2*Cvalue;
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+ RH_Lin = C1+C2*Hvalue+C3*Hvalue*Hvalue;
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+ RH_Ture= (temp_C-25)*(T1+T2*Hvalue)+RH_Lin;
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+ if (RH_Ture>100)
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+ RH_Ture= 100;
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+ if (RH_Ture<0.1)
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+ RH_Ture=0.1;
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+ if (temp_C<0)
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+ {
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+ cmd[1]=1;
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+ cmd[2]=-1*temp_C;
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+ temp=(-10*temp_C);
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+ cmd[3]=temp%10;
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+ cmd[4]=RH_Ture;
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+ RH=RH_Ture*10;
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+ cmd[5]=RH%10;
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+ }
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+ else
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+ {
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+ cmd[1]=0;
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+ cmd[2]=temp_C;
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+ temp=(10*temp_C);
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+ cmd[3]=temp%10;
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+ cmd[4]=RH_Ture;
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+ RH=RH_Ture*10;
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+ cmd[5]=RH%10;
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+ }
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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;
|
|
|
+ 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)
|
|
|
+{
|
|
|
+}
|