475 lines
13 KiB
C
475 lines
13 KiB
C
/* 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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* Musab Erdem
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* 8757524
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2024 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 Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the 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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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "usb_host.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include <math.h>
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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DAC_HandleTypeDef hdac;
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I2C_HandleTypeDef hi2c1;
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I2S_HandleTypeDef hi2s3;
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TIM_HandleTypeDef htim9;
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/* USER CODE BEGIN PV */
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#define TABLE_SIZE 4096
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uint16_t sine_table[TABLE_SIZE];
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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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static void MX_GPIO_Init(void);
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static void MX_I2C1_Init(void);
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static void MX_I2S3_Init(void);
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static void MX_DAC_Init(void);
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static void MX_TIM9_Init(void);
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void MX_USB_HOST_Process(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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void generate_sine_table() {
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for (int i = 0; i < TABLE_SIZE; i++) {
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sine_table[i] = (uint16_t)((sin(2 * M_PI * i / TABLE_SIZE) + 1) * 2047.5);
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}
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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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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_I2C1_Init();
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MX_I2S3_Init();
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MX_USB_HOST_Init();
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MX_DAC_Init();
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MX_TIM9_Init();
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/* USER CODE BEGIN 2 */
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HAL_TIM_Base_Start_IT(&htim9);
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generate_sine_table();
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HAL_DAC_Start(&hdac, DAC_CHANNEL_2);
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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/* USER CODE END WHILE */
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MX_USB_HOST_Process();
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/* USER CODE BEGIN 3 */
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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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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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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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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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 8;
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RCC_OscInitStruct.PLL.PLLN = 336;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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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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/** Initializes the CPU, AHB and APB buses clocks
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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_DIV4;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
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{
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Error_Handler();
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}
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2S;
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PeriphClkInitStruct.PLLI2S.PLLI2SN = 192;
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PeriphClkInitStruct.PLLI2S.PLLI2SR = 2;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief DAC Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_DAC_Init(void)
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{
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/* USER CODE BEGIN DAC_Init 0 */
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/* USER CODE END DAC_Init 0 */
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DAC_ChannelConfTypeDef sConfig = {0};
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/* USER CODE BEGIN DAC_Init 1 */
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/* USER CODE END DAC_Init 1 */
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/** DAC Initialization
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*/
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hdac.Instance = DAC;
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if (HAL_DAC_Init(&hdac) != HAL_OK)
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{
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Error_Handler();
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}
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/** DAC channel OUT2 config
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*/
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sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
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sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
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if (HAL_DAC_ConfigChannel(&hdac, &sConfig, DAC_CHANNEL_2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN DAC_Init 2 */
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/* USER CODE END DAC_Init 2 */
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}
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/**
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* @brief I2C1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_I2C1_Init(void)
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{
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/* USER CODE BEGIN I2C1_Init 0 */
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/* USER CODE END I2C1_Init 0 */
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/* USER CODE BEGIN I2C1_Init 1 */
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/* USER CODE END I2C1_Init 1 */
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hi2c1.Instance = I2C1;
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hi2c1.Init.ClockSpeed = 100000;
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hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
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hi2c1.Init.OwnAddress1 = 0;
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hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c1.Init.OwnAddress2 = 0;
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hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&hi2c1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN I2C1_Init 2 */
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/* USER CODE END I2C1_Init 2 */
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}
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/**
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* @brief I2S3 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_I2S3_Init(void)
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{
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/* USER CODE BEGIN I2S3_Init 0 */
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/* USER CODE END I2S3_Init 0 */
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/* USER CODE BEGIN I2S3_Init 1 */
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/* USER CODE END I2S3_Init 1 */
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hi2s3.Instance = SPI3;
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hi2s3.Init.Mode = I2S_MODE_MASTER_TX;
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hi2s3.Init.Standard = I2S_STANDARD_PHILIPS;
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hi2s3.Init.DataFormat = I2S_DATAFORMAT_16B;
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hi2s3.Init.MCLKOutput = I2S_MCLKOUTPUT_ENABLE;
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hi2s3.Init.AudioFreq = I2S_AUDIOFREQ_96K;
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hi2s3.Init.CPOL = I2S_CPOL_LOW;
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hi2s3.Init.ClockSource = I2S_CLOCK_PLL;
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hi2s3.Init.FullDuplexMode = I2S_FULLDUPLEXMODE_DISABLE;
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if (HAL_I2S_Init(&hi2s3) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN I2S3_Init 2 */
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/* USER CODE END I2S3_Init 2 */
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}
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/**
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* @brief TIM9 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_TIM9_Init(void)
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{
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/* USER CODE BEGIN TIM9_Init 0 */
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/* USER CODE END TIM9_Init 0 */
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TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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/* USER CODE BEGIN TIM9_Init 1 */
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/* USER CODE END TIM9_Init 1 */
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htim9.Instance = TIM9;
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htim9.Init.Prescaler = 0;
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htim9.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim9.Init.Period = 875-1;
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htim9.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim9.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if (HAL_TIM_Base_Init(&htim9) != HAL_OK)
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{
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Error_Handler();
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}
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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if (HAL_TIM_ConfigClockSource(&htim9, &sClockSourceConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM9_Init 2 */
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/* USER CODE END TIM9_Init 2 */
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOE_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOH_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(CS_I2C_SPI_GPIO_Port, CS_I2C_SPI_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(OTG_FS_PowerSwitchOn_GPIO_Port, OTG_FS_PowerSwitchOn_Pin, GPIO_PIN_SET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(Scope_GPIO_Port, Scope_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOD, LD4_Pin|LD3_Pin|LD5_Pin|LD6_Pin
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|Audio_RST_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin : CS_I2C_SPI_Pin */
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GPIO_InitStruct.Pin = CS_I2C_SPI_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(CS_I2C_SPI_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : OTG_FS_PowerSwitchOn_Pin Scope_Pin */
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GPIO_InitStruct.Pin = OTG_FS_PowerSwitchOn_Pin|Scope_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pin : PDM_OUT_Pin */
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GPIO_InitStruct.Pin = PDM_OUT_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(PDM_OUT_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : B1_Pin */
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GPIO_InitStruct.Pin = B1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : SPI1_MISO_Pin SPI1_MOSI_Pin */
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GPIO_InitStruct.Pin = SPI1_MISO_Pin|SPI1_MOSI_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pin : BOOT1_Pin */
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GPIO_InitStruct.Pin = BOOT1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(BOOT1_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : CLK_IN_Pin */
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GPIO_InitStruct.Pin = CLK_IN_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(CLK_IN_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : LD4_Pin LD3_Pin LD5_Pin LD6_Pin
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Audio_RST_Pin */
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GPIO_InitStruct.Pin = LD4_Pin|LD3_Pin|LD5_Pin|LD6_Pin
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|Audio_RST_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/*Configure GPIO pin : OTG_FS_OverCurrent_Pin */
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GPIO_InitStruct.Pin = OTG_FS_OverCurrent_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(OTG_FS_OverCurrent_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : MEMS_INT2_Pin */
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GPIO_InitStruct.Pin = MEMS_INT2_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(MEMS_INT2_GPIO_Port, &GPIO_InitStruct);
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}
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/* USER CODE BEGIN 4 */
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
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static uint16_t index = 0;
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uint16_t step = 1;
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if (htim->Instance == TIM9) {
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HAL_DAC_SetValue(&hdac, DAC_CHANNEL_2, DAC_ALIGN_12B_R, sine_table[index]);
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index = (index + step) % TABLE_SIZE;
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}
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}
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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