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305 lines
7.3 KiB
C

/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2022 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"
#include "tim.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <malloc.h>
#include "buzzer.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
typedef enum{
EXAMPLE_BUZZER_START,
EXAMPLE_BUZZER_STOP,
EXAMPLE_BUZZER_RINGTONE,
EXAMPLE_BUZZER_NO_LOOP,
EXAMPLE_BUZZER_LOOP
}example_buzzer_e;
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
// if you want to use static memry allocation,
// uncomment below
//#define USE_STATIC_MEM_ALLOCATION
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
#define PWM_TIM &htim3
#define PWM_CHN TIM_CHANNEL_1
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
#ifndef USE_STATIC_MEM_ALLOCATION
buzzer_t mBuzzer;
#endif
buzzer_t *Buzzer;
example_buzzer_e example = EXAMPLE_BUZZER_START;
uint8_t nextPattern;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/**
* Start PWM
*/
void pwm_start(){
HAL_TIM_PWM_Start(PWM_TIM, PWM_CHN);
}
/**
* Set the Duty Cycle of the PWM
*/
void pwm_set_dc(uint32_t dc){
uint32_t arr, comp;
arr = __HAL_TIM_GET_AUTORELOAD(PWM_TIM);
comp = dc*arr/100;
__HAL_TIM_SET_COMPARE(PWM_TIM, PWM_CHN, comp);
}
/**
* Set the Frequency of the PWM
*/
void pwm_set_freq(uint32_t freq){
uint32_t psc, arr, sys;
if (freq > 0){
sys = HAL_RCC_GetSysClockFreq();
arr = __HAL_TIM_GET_AUTORELOAD(PWM_TIM);
psc = (sys/(freq*(arr+1)))-1;
__HAL_TIM_SET_PRESCALER(PWM_TIM, psc);
pwm_set_dc(50);
}
else
__HAL_TIM_SET_COMPARE(PWM_TIM, PWM_CHN, 0);
}
/**
* Timer Callback
*/
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim){
if (htim->Instance == TIM9){
buzzer_interrupt(Buzzer);
}
}
/**
* Callback from buzzer
*/
void buzzer_end_callback(buzzer_t *buzzer){
nextPattern = 1;
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
#ifdef USE_STATIC_MEM_ALLOCATION
Buzzer = malloc(sizeof(buzzer_t));
#else
Buzzer = &mBuzzer;
#endif
/* 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_TIM3_Init();
MX_TIM9_Init();
/* USER CODE BEGIN 2 */
// Configure the Buzzer object
Buzzer->interruptMs = 10; // interrupt will be triggered every 10ms
Buzzer->fnx.pwmOut = pwm_set_freq; // pass set frequency function
// initialize Buzzer
buzzer_init(Buzzer);
HAL_TIM_Base_Start_IT(&htim9);
pwm_start();
nextPattern = 1;
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
if (nextPattern){
nextPattern = 0;
HAL_Delay(500);
switch (example){
case EXAMPLE_BUZZER_START:
buzzer_turn_on(Buzzer, 1500);
nextPattern = 1;
break;
case EXAMPLE_BUZZER_STOP:
buzzer_stop(Buzzer);
nextPattern = 1;
break;
case EXAMPLE_BUZZER_RINGTONE:
buzzer_start_array(Buzzer, mario_theme_time, mario_theme_melody, mario_theme_len);
break;
case EXAMPLE_BUZZER_NO_LOOP:
buzzer_start(Buzzer, 500, 750, BUZZER_LOOP_OFF);
break;
case EXAMPLE_BUZZER_LOOP:
buzzer_start(Buzzer, 800, 250, BUZZER_LOOP_ON);
break;
}
example++;
}
/* 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};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** 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_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 100;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 4;
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_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_3) != HAL_OK)
{
Error_Handler();
}
}
/* 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 */