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- #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"
- #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";
- 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;
- typedef void (*pFunction)(void);
- void SystemClock_Config(void);
- void MX_ADC1_Init1(char pin);
- void sensor(void);
- 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);
- }
- 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);
- }
- while (1)
- {
- sensor();
- if(M4_PH<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)
- {
- MX_ADC1_Init1(ADC_CHANNEL_0);
- 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);
- }
- }
- print("M4_PH",M4_PH);
- HAL_Delay(10000);
- }
- 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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