基于STM32的語音存貯錄音與回放系統源程序與原理圖pcb

ID:128777 · 發(fā)表于 2017-5-8 15:08

stm32F103錄音回放原理圖：

基于STM32的語音存貯與回放PCB

\野火注\

1 液晶尺寸是3.2寸，控制器是 ILI9341
2 SD卡4位模式DMA ，支持長文件名及中文文件名

stm32單片機源程序：

/******************** (C) COPYRIGHT 2012 WildFire Team **************************
* 文件名：main.c
* 描述：LCD顯示實驗，可中英混合顯示，可顯示BMP格式的圖片，可截圖，
* 截圖保存在MicroSD卡中，文件名存為myScreen.bmp，
* 需顯示的BMP圖片和字庫存放在MicroSD卡中。
* 實驗平臺：野火STM32開發(fā)板
* 庫版本：ST3.5.0
*
* 作者：wildfire team
**********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "SysTick.h"
#include "usart1.h"
#include "lcd.h"
#include "sd_fs_app.h"
#include "Sd_bmp.h"
#include "adc.h"
#include "dac.h"
#include "key.h"
// ADC1轉換的電壓值通過MDA方式傳到SRAM
extern __IO uint16_t ADC_ConvertedValue;
//#define SIZE 1000*1024
#define WriteStartAddress ((uint32_t)0x0800B000) //在這里隨著程序代碼的增加，初試地址也要隨著增加，否則不能寫入a000
#define WriteEndAddress ((uint32_t)0x0807F7FF)
//#define FLASH_PAGE_SIZE ((u16)0x400) //1024
#define FLASH_PAGE_SIZE ((u16)0x800) //2048
uint32_t EraseCounter = 0x00, WriteAddress = 0x00,ReadAddress = 0x00;
uint32_t NbrOfPage = 0x0000;
volatile FLASH_Status FLASHStatus;//枚舉變量的定義
// 軟件延時自己加了個大延時
void Delay(__IO uint32_t nCount)
{
for(; nCount != 0; nCount--);
}
void NDelay(uint32_t n)
{
uint32_t i;
for(i=0;i<n;i++)
Delay(0xFFF);
}
int main(void)
{
/* USART1 config */
USART1_Config();
/* enable adc1 and config adc1 to dma mode */
ADC1_Init();
DAC1_Init();
SysTick_Init();
LCD_Init(); /* LCD 初始化*/
sd_fs_init();
FLASHStatus = FLASH_COMPLETE;
/*顯示圖像*/
Lcd_show_bmp(80, 0,"/pic4.bmp");
/*豎屏顯示*/
LCD_Str_ENCH_O_P(55,30,"請按錄音鍵開始錄音",0XF800);
LCD_Str_CH_O_P(35,30,"制作人",0X0000);
LCD_Str_ENCH_O_P(17,60,"武漢科技大學教十樓208室",0X0000);
// while (1)
// {
// if( Key_Scan(GPIOE,GPIO_Pin_5) == KEY_ON )
// {
LCD_Str_CH_P(55,30,"正在錄音請稍后片刻",0XF800,0xffff);
FLASH_Unlock();
/* Clear All pending flags */
FLASH_ClearFlag(FLASH_FLAG_BSY | FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
/* Define the number of page to be erased */
NbrOfPage = (WriteEndAddress - WriteStartAddress) / FLASH_PAGE_SIZE;
/* Erase the FLASH pages */
for(EraseCounter = 0; (EraseCounter <= NbrOfPage)&&(FLASHStatus == FLASH_COMPLETE); EraseCounter++)
{
FLASHStatus=FLASH_ErasePage(WriteStartAddress + (FLASH_PAGE_SIZE * EraseCounter));
}
//寫數據
WriteAddress = WriteStartAddress;
while((WriteAddress < WriteEndAddress)&&(FLASHStatus == FLASH_COMPLETE))
{
printf("0x%04X ",ADC_ConvertedValue);
FLASHStatus=FLASH_ProgramHalfWord(WriteAddress, ADC_ConvertedValue);
WriteAddress = WriteAddress + 2;
}
FLASH_Lock();
LCD_Str_CH_P(55,30,"錄音完畢請按播放鍵",0XF800,0xffff);
NDelay(10000);
// }
// if( Key_Scan(GPIOE,GPIO_Pin_6) == KEY_ON )
// {
LCD_Str_CH_P(55,30,"正在播放請慢慢傾聽",0XF800,0xffff);
//讀數據
…………限于本文篇幅余下代碼請從51黑下載附件…………