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- /* 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:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
- /* USER CODE END Header */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- /* Private includes ----------------------------------------------------------*/
- /* USER CODE BEGIN Includes */
- #include <stdio.h>
- /* USER CODE END Includes */
- /* Private typedef -----------------------------------------------------------*/
- /* USER CODE BEGIN PTD */
- typedef enum {
- HONEYWELL_HSC_STATUS_OK = 0x00,
- HONEYWELL_HSC_STATUS_CMD_MODE = 0x01,
- HONEYWELL_HSC_STATUS_STALE_DATA = 0x02,
- HONEYWELL_HSC_STATUS_HW_FAULT = 0x03,
- HONEYWELL_HSC_STATUS_I2C_ERROR = 0x10
- } HoneywellHSC_StatusTypeDef;
- /* USER CODE END PTD */
- /* Private define ------------------------------------------------------------*/
- /* USER CODE BEGIN PD */
- /* USER CODE END PD */
- /* Private macro -------------------------------------------------------------*/
- /* USER CODE BEGIN PM */
- #define SIZE 10
- /* USER CODE END PM */
- /* Private variables ---------------------------------------------------------*/
- SPI_HandleTypeDef hspi1;
- TIM_HandleTypeDef htim2;
- UART_HandleTypeDef huart2;
- /* USER CODE BEGIN PV */
- uint8_t volatile measurementCounter = 0;
- uint8_t volatile currMeasurementsPosition = 0;
- uint16_t volatile currentMeasurement;
- uint16_t volatile measurements[SIZE];
- uint32_t globalCnt = 0;
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- static void MX_GPIO_Init(void);
- static void MX_USART2_UART_Init(void);
- static void MX_SPI1_Init(void);
- static void MX_TIM2_Init(void);
- /* USER CODE BEGIN PFP */
- HoneywellHSC_StatusTypeDef readHSC(uint16_t *pressData);
- float averageMeasurements(uint16_t *measurementsTable, uint8_t size);
- /* 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)
- {
- /* USER CODE BEGIN 1 */
- /* USER CODE END 1 */
- /* MCU Configuration--------------------------------------------------------*/
- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
- HAL_Init();
- /* USER CODE BEGIN Init */
- /* USER CODE END Init */
- /* Configure the system clock */
- SystemClock_Config();
- /* USER CODE BEGIN SysInit */
- /* USER CODE END SysInit */
- /* Initialize all configured peripherals */
- MX_GPIO_Init();
- MX_USART2_UART_Init();
- MX_SPI1_Init();
- MX_TIM2_Init();
- /* USER CODE BEGIN 2 */
- HAL_NVIC_SetPriority(TIM2_IRQn, 0, 0);
- HAL_NVIC_EnableIRQ(TIM2_IRQn);
- HAL_TIM_Base_Start_IT(&htim2);//(&htim2, TIM_CHANNEL_ALL);
- HAL_SPI_Init(&hspi1);
- /* USER CODE END 2 */
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
- char data[5] = "HWDP\0";
- uint32_t licznik = 0;
- char sstring[100] = {0};
- uint16_t stringLength = 0;
- uint16_t pressData = 0;
- uint8_t stat;
- float averagedMeasurements = 0;
- while (1)
- {
- //HAL_GPIO_TogglePin(LD3_GPIO_Port, LD3_Pin);
- //HAL_UART_Transmit(&huart2, &data, 5, 1);
- HAL_Delay(1000);
- //licznik = __HAL_TIM_GET_COUNTER(&htim2);
- globalCnt++;
- averagedMeasurements = averageMeasurements(measurements, SIZE);
- stringLength = sprintf(sstring, "%d\t %lu\n", globalCnt, (uint16_t)averagedMeasurements);
- HAL_UART_Transmit(&huart2, sstring, stringLength, 15);
- /* USER CODE END WHILE */
- /* USER CODE BEGIN 3 */
- }
- /* USER CODE END 3 */
- }
- /**
- * @brief System Clock Configuration
- * @retval None
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
- /** Configure the main internal regulator output voltage
- */
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
- /** Initializes the CPU, AHB and APB busses clocks
- */
- 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.PLLMUL = RCC_PLLMUL_4;
- RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB busses clocks
- */
- 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_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
- {
- Error_Handler();
- }
- PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
- PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
- if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /**
- * @brief SPI1 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_SPI1_Init(void)
- {
- /* USER CODE BEGIN SPI1_Init 0 */
- /* USER CODE END SPI1_Init 0 */
- /* USER CODE BEGIN SPI1_Init 1 */
- /* USER CODE END SPI1_Init 1 */
- /* SPI1 parameter configuration*/
- hspi1.Instance = SPI1;
- hspi1.Init.Mode = SPI_MODE_MASTER;
- hspi1.Init.Direction = SPI_DIRECTION_2LINES;
- hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
- hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
- hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
- hspi1.Init.NSS = SPI_NSS_SOFT;
- hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
- hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
- hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
- hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
- hspi1.Init.CRCPolynomial = 7;
- if (HAL_SPI_Init(&hspi1) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN SPI1_Init 2 */
- /* USER CODE END SPI1_Init 2 */
- }
- /**
- * @brief TIM2 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_TIM2_Init(void)
- {
- /* USER CODE BEGIN TIM2_Init 0 */
- /* USER CODE END TIM2_Init 0 */
- TIM_ClockConfigTypeDef sClockSourceConfig = {0};
- TIM_MasterConfigTypeDef sMasterConfig = {0};
- /* USER CODE BEGIN TIM2_Init 1 */
- /* USER CODE END TIM2_Init 1 */
- htim2.Instance = TIM2;
- htim2.Init.Prescaler = 32000-1;
- htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
- htim2.Init.Period = 99;
- htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
- htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
- if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
- {
- Error_Handler();
- }
- sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
- if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
- {
- Error_Handler();
- }
- sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
- sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
- if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN TIM2_Init 2 */
- /* USER CODE END TIM2_Init 2 */
- }
- /**
- * @brief USART2 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_USART2_UART_Init(void)
- {
- /* USER CODE BEGIN USART2_Init 0 */
- /* USER CODE END USART2_Init 0 */
- /* USER CODE BEGIN USART2_Init 1 */
- /* USER CODE END USART2_Init 1 */
- huart2.Instance = USART2;
- huart2.Init.BaudRate = 115200;
- huart2.Init.WordLength = UART_WORDLENGTH_8B;
- huart2.Init.StopBits = UART_STOPBITS_1;
- huart2.Init.Parity = UART_PARITY_NONE;
- huart2.Init.Mode = UART_MODE_TX_RX;
- huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart2.Init.OverSampling = UART_OVERSAMPLING_16;
- huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
- huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
- if (HAL_UART_Init(&huart2) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN USART2_Init 2 */
- /* USER CODE END USART2_Init 2 */
- }
- /**
- * @brief GPIO Initialization Function
- * @param None
- * @retval None
- */
- static void MX_GPIO_Init(void)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- /* GPIO Ports Clock Enable */
- __HAL_RCC_GPIOC_CLK_ENABLE();
- __HAL_RCC_GPIOA_CLK_ENABLE();
- __HAL_RCC_GPIOB_CLK_ENABLE();
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(HSC_SS_GPIO_Port, HSC_SS_Pin, GPIO_PIN_RESET);
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(LD3_GPIO_Port, LD3_Pin, GPIO_PIN_RESET);
- /*Configure GPIO pin : HSC_SS_Pin */
- GPIO_InitStruct.Pin = HSC_SS_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(HSC_SS_GPIO_Port, &GPIO_InitStruct);
- /*Configure GPIO pin : LD3_Pin */
- GPIO_InitStruct.Pin = LD3_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(LD3_GPIO_Port, &GPIO_InitStruct);
- }
- /* USER CODE BEGIN 4 */
- void TIM2_IRQ_Handler(void) {
- HAL_TIM_IRQHandler(&htim2);
- }
- void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *timer){
- //if (timer == &htim2) {
- char buffer[100];
- uint16_t len = 0;
- currMeasurementsPosition++;
- if (currMeasurementsPosition == SIZE) {
- currMeasurementsPosition = 0;
- }
- HAL_GPIO_TogglePin(LD3_GPIO_Port, LD3_Pin);
- readHSC(¤tMeasurement);
- measurements[currMeasurementsPosition] = currentMeasurement;
- measurementCounter++;
- if (measurementCounter == 50) {
- len = sprintf(buffer, "Licznik: %d \n\r", currentMeasurement);
- //HAL_UART_Transmit(&huart2, buffer, len+1, 20);
- measurementCounter = 0;
- }
- //}
- }
- float averageMeasurements(uint16_t *measurementsTable, uint8_t size) {
- int temp = 0;
- for (int i = 0; i < size; i++) {
- temp += (float)measurementsTable[i];
- }
- return temp/((float)size);
- }
- HoneywellHSC_StatusTypeDef readHSC(uint16_t *pressData){
- uint8_t buffer1, buffer2;
- uint8_t buffer[50] = {0};
- HAL_GPIO_WritePin(HSC_SS_GPIO_Port, HSC_SS_Pin, GPIO_PIN_RESET);
- HAL_SPI_Receive(&hspi1, &buffer1, 1, 5);
- HAL_SPI_Receive(&hspi1, &buffer2, 1, 5);
- HAL_GPIO_WritePin(HSC_SS_GPIO_Port, HSC_SS_Pin, GPIO_PIN_SET);
- *pressData = ((uint16_t)(buffer1 << 8)) | ((uint16_t)(buffer2));
- uint8_t status = buffer1 >> 6;
- //sprintf(buffer, "---BYTES: %02X, %02X --- STATUS: %02X \n\r", buffer1, buffer2, status);
- //HAL_UART_Transmit(&huart2, buffer, 50, 15);
- return status;
- }
- /* USER CODE END 4 */
- /**
- * @brief This function is executed in case of error occurrence.
- * @retval None
- */
- void Error_Handler(void)
- {
- /* USER CODE BEGIN Error_Handler_Debug */
- /* User can add his own implementation to report the HAL error return state */
- /* USER CODE END Error_Handler_Debug */
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t *file, uint32_t line)
- {
- /* USER CODE BEGIN 6 */
- /* User can add his own implementation to report the file name and line number,
- tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* USER CODE END 6 */
- }
- #endif /* USE_FULL_ASSERT */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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