173 lines
4.9 KiB
C
173 lines
4.9 KiB
C
/**
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******************************************************************
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* @file main.c
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* @author fire
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* @version V1.0
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* @date 2018-xx-xx
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* @brief 用V1.2.0版本库建的工程模板
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******************************************************************
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* @attention
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*
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* 实验平台:野火 STM32H750开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************
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*/
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#include "stm32h7xx.h"
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#include "main.h"
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#include "./led/bsp_led.h"
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#include "./usart/bsp_debug_usart.h"
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#include "./sd_card/bsp_sdio_sd.h"
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#include "./key/bsp_key.h"
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#include "./delay/core_delay.h"
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#include "./wm8978/bsp_wm8978.h"
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#include "./mp3Player/mp3Player.h"
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/* FatFs includes component */
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#include "ff.h"
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#include "ff_gen_drv.h"
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#include "sd_diskio.h"
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/**
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******************************************************************************
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* 定义变量
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******************************************************************************
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*/
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char SDPath[4]; /* SD逻辑驱动器路径 */
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FATFS fs; /* FatFs文件系统对象 */
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FIL fnew; /* file objects */
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extern Diskio_drvTypeDef SD_Driver;
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/**
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* @brief CPU L1-Cache enable.
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* @param None
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* @retval None
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*/
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static void CPU_CACHE_Enable(void)
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{
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/* Enable I-Cache */
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SCB_EnableICache();
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/* Enable D-Cache */
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SCB_EnableDCache();
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//将Cache设置write-through方式
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//SCB->CACR|=1<<2;
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}
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/**
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* @brief 主函数
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* @param 无
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* @retval 无
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*/
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int main(void)
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{
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FRESULT result;
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/* 系统时钟初始化成480MHz */
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SystemClock_Config();
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CPU_CACHE_Enable();
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LED_GPIO_Config();
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LED_BLUE;
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/* 初始化USART1 配置模式为 115200 8-N-1 */
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DEBUG_USART_Config();
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//链接驱动器，创建盘符
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FATFS_LinkDriver(&SD_Driver, SDPath);
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//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
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result = f_mount(&fs,"0:",1);
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if(result!=FR_OK)
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{
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printf("\n SD卡文件系统挂载失败\n");
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while(1);
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}
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printf("WM8978录音和回放功能\n");
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/* 检测WM8978芯片，此函数会自动配置CPU的GPIO */
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if (wm8978_Init()==0)
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{
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printf("检测不到WM8978芯片!!!\n");
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while (1); /* 停机 */
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}
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printf("初始化WM8978成功\n");
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while(1)
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{
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mp3PlayerDemo("0:/mp3/张国荣-玻璃之情.mp3");
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mp3PlayerDemo("0:/mp3/张国荣-全赖有你.mp3");
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}
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}
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/**
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* @brief System Clock 配置
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* system Clock 配置如下:
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 480000000 (CPU Clock)
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* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
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* AHB Prescaler = 2
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* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
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* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
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* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
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* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 5
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* PLL_N = 192
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* PLL_P = 2
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* PLL_Q = 4
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* PLL_R = 2
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* VDD(V) = 3.3
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* Flash Latency(WS) = 4
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* @param None
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* @retval None
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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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/** 启用电源配置更新
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*/
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HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
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/** 配置主内稳压器输出电压
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*/
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
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while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
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/** 初始化CPU、AHB和、APB总线时钟
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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 = 5;
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RCC_OscInitStruct.PLL.PLLN = 192;
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RCC_OscInitStruct.PLL.PLLP = 2;
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RCC_OscInitStruct.PLL.PLLQ = 4;
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RCC_OscInitStruct.PLL.PLLR = 2;
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RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
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RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
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RCC_OscInitStruct.PLL.PLLFRACN = 0;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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}
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/** 初始化CPU、AHB和、APB总线时钟
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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_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
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RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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}
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}
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/****************************END OF FILE***************************/
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