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305 lines
7.3 KiB
C
305 lines
7.3 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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******************************************************************************
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* @attention
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*
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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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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 "tim.h"
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#include "gpio.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include <malloc.h>
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#include "buzzer.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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typedef enum{
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EXAMPLE_BUZZER_START,
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EXAMPLE_BUZZER_STOP,
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EXAMPLE_BUZZER_RINGTONE,
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EXAMPLE_BUZZER_NO_LOOP,
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EXAMPLE_BUZZER_LOOP
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}example_buzzer_e;
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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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// if you want to use static memry allocation,
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// uncomment below
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//#define USE_STATIC_MEM_ALLOCATION
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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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#define PWM_TIM &htim3
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#define PWM_CHN TIM_CHANNEL_1
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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#ifndef USE_STATIC_MEM_ALLOCATION
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buzzer_t mBuzzer;
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#endif
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buzzer_t *Buzzer;
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example_buzzer_e example = EXAMPLE_BUZZER_START;
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uint8_t nextPattern;
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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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/* 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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/**
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* Start PWM
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*/
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void pwm_start(){
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HAL_TIM_PWM_Start(PWM_TIM, PWM_CHN);
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}
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/**
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* Set the Duty Cycle of the PWM
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*/
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void pwm_set_dc(uint32_t dc){
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uint32_t arr, comp;
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arr = __HAL_TIM_GET_AUTORELOAD(PWM_TIM);
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comp = dc*arr/100;
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__HAL_TIM_SET_COMPARE(PWM_TIM, PWM_CHN, comp);
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}
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/**
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* Set the Frequency of the PWM
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*/
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void pwm_set_freq(uint32_t freq){
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uint32_t psc, arr, sys;
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if (freq > 0){
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sys = HAL_RCC_GetSysClockFreq();
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arr = __HAL_TIM_GET_AUTORELOAD(PWM_TIM);
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psc = (sys/(freq*(arr+1)))-1;
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__HAL_TIM_SET_PRESCALER(PWM_TIM, psc);
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pwm_set_dc(50);
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}
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else
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__HAL_TIM_SET_COMPARE(PWM_TIM, PWM_CHN, 0);
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}
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/**
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* Timer Callback
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*/
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim){
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if (htim->Instance == TIM9){
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buzzer_interrupt(Buzzer);
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}
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}
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/**
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* Callback from buzzer
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*/
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void buzzer_end_callback(buzzer_t *buzzer){
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nextPattern = 1;
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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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#ifdef USE_STATIC_MEM_ALLOCATION
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Buzzer = malloc(sizeof(buzzer_t));
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#else
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Buzzer = &mBuzzer;
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#endif
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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_TIM3_Init();
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MX_TIM9_Init();
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/* USER CODE BEGIN 2 */
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// Configure the Buzzer object
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Buzzer->interruptMs = 10; // interrupt will be triggered every 10ms
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Buzzer->fnx.pwmOut = pwm_set_freq; // pass set frequency function
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// initialize Buzzer
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buzzer_init(Buzzer);
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HAL_TIM_Base_Start_IT(&htim9);
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pwm_start();
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nextPattern = 1;
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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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if (nextPattern){
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nextPattern = 0;
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HAL_Delay(500);
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switch (example){
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case EXAMPLE_BUZZER_START:
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buzzer_turn_on(Buzzer, 1500);
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nextPattern = 1;
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break;
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case EXAMPLE_BUZZER_STOP:
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buzzer_stop(Buzzer);
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nextPattern = 1;
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break;
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case EXAMPLE_BUZZER_RINGTONE:
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buzzer_start_array(Buzzer, mario_theme_time, mario_theme_melody, mario_theme_len);
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break;
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case EXAMPLE_BUZZER_NO_LOOP:
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buzzer_start(Buzzer, 500, 750, BUZZER_LOOP_OFF);
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break;
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case EXAMPLE_BUZZER_LOOP:
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buzzer_start(Buzzer, 800, 250, BUZZER_LOOP_ON);
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break;
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}
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example++;
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}
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/* USER CODE END WHILE */
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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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/** 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_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 = 100;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 4;
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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_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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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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