STM32H750XB_RT-THREAD/38-SAI—音频/SAI—MP3播放器/User/main.c
2025-07-21 14:34:29 +08:00

173 lines
4.9 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
******************************************************************
* @file main.c
* @author fire
* @version V1.0
* @date 2018-xx-xx
* @brief 用V1.2.0版本库建的工程模板
******************************************************************
* @attention
*
* 实验平台:野火 STM32H750开发板
* 论坛 :http://www.firebbs.cn
* 淘宝 :http://firestm32.taobao.com
*
******************************************************************
*/
#include "stm32h7xx.h"
#include "main.h"
#include "./led/bsp_led.h"
#include "./usart/bsp_debug_usart.h"
#include "./sd_card/bsp_sdio_sd.h"
#include "./key/bsp_key.h"
#include "./delay/core_delay.h"
#include "./wm8978/bsp_wm8978.h"
#include "./mp3Player/mp3Player.h"
/* FatFs includes component */
#include "ff.h"
#include "ff_gen_drv.h"
#include "sd_diskio.h"
/**
******************************************************************************
* 定义变量
******************************************************************************
*/
char SDPath[4]; /* SD逻辑驱动器路径 */
FATFS fs; /* FatFs文件系统对象 */
FIL fnew; /* file objects */
extern Diskio_drvTypeDef SD_Driver;
/**
* @brief CPU L1-Cache enable.
* @param None
* @retval None
*/
static void CPU_CACHE_Enable(void)
{
/* Enable I-Cache */
SCB_EnableICache();
/* Enable D-Cache */
SCB_EnableDCache();
//将Cache设置write-through方式
//SCB->CACR|=1<<2;
}
/**
* @brief 主函数
* @param 无
* @retval 无
*/
int main(void)
{
FRESULT result;
/* 系统时钟初始化成480MHz */
SystemClock_Config();
CPU_CACHE_Enable();
LED_GPIO_Config();
LED_BLUE;
/* 初始化USART1 配置模式为 115200 8-N-1 */
DEBUG_USART_Config();
//链接驱动器,创建盘符
FATFS_LinkDriver(&SD_Driver, SDPath);
//在外部SD卡挂载文件系统文件系统挂载时会对SD卡初始化
result = f_mount(&fs,"0:",1);
if(result!=FR_OK)
{
printf("\n SD卡文件系统挂载失败\n");
while(1);
}
printf("WM8978录音和回放功能\n");
/* 检测WM8978芯片此函数会自动配置CPU的GPIO */
if (wm8978_Init()==0)
{
printf("检测不到WM8978芯片!!!\n");
while (1); /* 停机 */
}
printf("初始化WM8978成功\n");
while(1)
{
mp3PlayerDemo("0:/mp3/张国荣-玻璃之情.mp3");
mp3PlayerDemo("0:/mp3/张国荣-全赖有你.mp3");
}
}
/**
* @brief System Clock 配置
* system Clock 配置如下:
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 480000000 (CPU Clock)
* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
* AHB Prescaler = 2
* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
* HSE Frequency(Hz) = 25000000
* PLL_M = 5
* PLL_N = 192
* PLL_P = 2
* PLL_Q = 4
* PLL_R = 2
* VDD(V) = 3.3
* Flash Latency(WS) = 4
* @param None
* @retval None
*/
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** 启用电源配置更新
*/
HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
/** 配置主内稳压器输出电压
*/
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
/** 初始化CPU、AHB和、APB总线时钟
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 5;
RCC_OscInitStruct.PLL.PLLN = 192;
RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLQ = 4;
RCC_OscInitStruct.PLL.PLLR = 2;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
RCC_OscInitStruct.PLL.PLLFRACN = 0;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
}
/** 初始化CPU、AHB和、APB总线时钟
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
|RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
}
}
/****************************END OF FILE***************************/