基于STM32的语音存贮录音与回放系统源程序与原理图pcb

ID:128777 · 发表于 2017-5-8 15:08

stm32F103录音回放原理图：

基于STM32的语音存贮与回放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 ，支持长文件名及中文文件名

stm32单片机源程序：

/******************** (C) COPYRIGHT 2012 WildFire Team **************************
* 文件名：main.c
* 描述：LCD显示实验，可中英混合显示，可显示BMP格式的图片，可截图，
* 截图保存在MicroSD卡中，文件名存为myScreen.bmp，
* 需显示的BMP图片和字库存放在MicroSD卡中。
* 实验平台：野火STM32开发板
* 库版本：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转换的电压值通过MDA方式传到SRAM
extern __IO uint16_t ADC_ConvertedValue;
//#define SIZE 1000*1024
#define WriteStartAddress ((uint32_t)0x0800B000) //在这里随着程序代码的增加，初试地址也要随着增加，否则不能写入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;//枚举变量的定义
// 软件延时自己加了个大延时
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;
/*显示图像*/
Lcd_show_bmp(80, 0,"/pic4.bmp");
/*竖屏显示*/
LCD_Str_ENCH_O_P(55,30,"请按录音键开始录音",0XF800);
LCD_Str_CH_O_P(35,30,"制作人",0X0000);
LCD_Str_ENCH_O_P(17,60,"武汉科技大学教十楼208室",0X0000);
// while (1)
// {
// if( Key_Scan(GPIOE,GPIO_Pin_5) == KEY_ON )
// {
LCD_Str_CH_P(55,30,"正在录音请稍后片刻",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));
}
//写数据
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,"录音完毕请按播放键",0XF800,0xffff);
NDelay(10000);
// }
// if( Key_Scan(GPIOE,GPIO_Pin_6) == KEY_ON )
// {
LCD_Str_CH_P(55,30,"正在播放请慢慢倾听",0XF800,0xffff);
//读数据
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