/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @attention * * Copyright (c) 2024 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "main.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* USER CODE BEGIN PTD */ /* USER CODE END PTD */ /* Private define ------------------------------------------------------------*/ /* USER CODE BEGIN PD */ /* USER CODE END PD */ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ SPI_HandleTypeDef hspi1; /* USER CODE BEGIN PV */ /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ void SystemClock_Config(void); static void MX_GPIO_Init(void); static void MX_SPI1_Init(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) { /* 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_SPI1_Init(); /* USER CODE BEGIN 2 */ //регистр данные шеснадцатеричное представление регистра //0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0xC //0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 1 0хF //Алгоритм //1. вывести микросхему из режима выключения //2. заставить выводить все 8 цифр //3. Установить яркость на половину //4. Во все регистры цифр записать данные. Цифры от 1 до 8 // 0x0C + 0x01 // 0x0B + 0x07 // 0x0A + 0x08 // регистры 1-8 uint16_t Data[1]; Data[0] = 0xC01; HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, (uint8_t*)Data, 1, 100); HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_SET); Data[0] = 0xF00; HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, (uint8_t*)Data, 1, 100); HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_SET); Data[0] = 0xB07; HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, (uint8_t*)Data, 1, 100); HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_SET); Data[0] = 0xA08; HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, (uint8_t*)Data, 1, 100); HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_SET); Data[0] = 0x9FF; HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, (uint8_t*)Data, 1, 100); HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_SET); for (uint8_t i = 0; i < 8; i++) { Data[0] = 0x100 + (i<<8) + i; HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, (uint8_t*)Data, 1, 100); HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_SET); } /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* 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}; /** Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; RCC_OscInitStruct.HSIState = RCC_HSI_ON; RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } /** Initializes the CPU, AHB and APB buses clocks */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != 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_16BIT; hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; hspi1.Init.NSS = SPI_NSS_SOFT; hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi1.Init.TIMode = SPI_TIMODE_DISABLE; hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi1.Init.CRCPolynomial = 7; hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; if (HAL_SPI_Init(&hspi1) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN SPI1_Init 2 */ /* USER CODE END SPI1_Init 2 */ } /** * @brief GPIO Initialization Function * @param None * @retval None */ static void MX_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStruct = {0}; /* USER CODE BEGIN MX_GPIO_Init_1 */ /* USER CODE END MX_GPIO_Init_1 */ /* GPIO Ports Clock Enable */ __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET); /*Configure GPIO pin : Button1_Pin */ GPIO_InitStruct.Pin = Button1_Pin; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_PULLDOWN; HAL_GPIO_Init(Button1_GPIO_Port, &GPIO_InitStruct); /*Configure GPIO pin : Button2_Pin */ GPIO_InitStruct.Pin = Button2_Pin; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_PULLDOWN; HAL_GPIO_Init(Button2_GPIO_Port, &GPIO_InitStruct); /*Configure GPIO pin : CS_Pin */ GPIO_InitStruct.Pin = CS_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(CS_GPIO_Port, &GPIO_InitStruct); /* USER CODE BEGIN MX_GPIO_Init_2 */ /* USER CODE END MX_GPIO_Init_2 */ } /* USER CODE BEGIN 4 */ /* 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 */ __disable_irq(); while (1) { } /* 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, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* USER CODE END 6 */ } #endif /* USE_FULL_ASSERT */