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arduino due 是arduino系列第一塊32位單片機。MCU位ATMEL的AT SAM3X8E,ARM架構,有兩個DAC接口(DAC0 DAC1)。本程序實測通過。
#include <LiquidCrystal.h>
#include <SPI.h>
#include <SD.h>
#include <Audio.h>
#define SD_CS A0
#define LCD_RS 53
#define LCD_E 52
#define LCD_D4 51
#define LCD_D5 50
#define LCD_D6 49
#define LCD_D7 48
/*
* 采樣率 44100
*/
LiquidCrystal lcd1602(LCD_RS, LCD_E, LCD_D4, LCD_D5, LCD_D6, LCD_D7);
void Music_Player(File MusicFile,int rate,int rebuff_time,int volume,uint32_t buffer_size)
{
int16_t buffer[buffer_size];
Audio.begin(rate,rebuff_time);
while(MusicFile.available())
{
MusicFile.read(buffer,sizeof(buffer));
Audio.prepare(buffer,buffer_size,volume);
Audio.write(buffer,buffer_size);
}
MusicFile.close();
}
void setup()
{
lcd1602.begin(16,2);
lcd1602.clear();
lcd1602.print("Arduino Player");
lcd1602.setCursor(0,1);
lcd1602.print("Social Sister Yi");
delay(1000);
lcd1602.clear();
lcd1602.setCursor(0,0);
lcd1602.print("Init SD Card");
lcd1602.setCursor(0,1);
if (!SD.begin(SD_CS))
{
lcd1602.print("Fail!");
while(1);
}
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