Diff: main.cpp

Revision:

0:8dd35bae21bb

diff -r 000000000000 -r 8dd35bae21bb main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat May 14 07:45:22 2022 +0000
@@ -0,0 +1,163 @@
+#include "mbed.h"
+#include "mp3.h"
+//Serial mp3(PTE22,PTE23);
+Serial mp3(D14,D15);
+DigitalOut myled(LED1);
+int choix;
+int volume=16;
+
+int main()
+{
+    while(1) {
+        printf("1-play/pause 2-stop 3-next 4-previous\n\r");
+        printf("faites votre choix :");
+        scanf("%d",&choix);
+        printf("%d\n\n\n\r",choix);
+        switch(choix) {
+            case 1:
+                playpause();
+                break;
+            case 2:
+                stop();
+                break;
+            case 3:
+                next();
+                break;
+            case 4:
+                previous();
+                break;
+            case 9:
+                up();
+                break;
+            case 6:
+                down();
+                break;
+            case 5:
+                number(5);
+                break;
+            case 7:
+                number(7);
+                break;
+        }
+        myled.write(!myled.read());
+
+    }
+}
+
+void playpause()
+{
+    mp3.putc(0x7E);
+    wait_ms(5);
+    mp3.putc(0x03);
+    wait_ms(5);
+    mp3.putc(0xAA);
+    wait_ms(5);
+    mp3.putc(0xAD);
+    wait_ms(5);
+    mp3.putc(0xEF);
+    wait_ms(5);
+}
+
+void stop()
+{
+    mp3.putc(0x7E);
+    wait_ms(5);
+    mp3.putc(0x03);
+    wait_ms(5);
+    mp3.putc(0xAB);
+    wait_ms(5);
+    mp3.putc(0xAE);
+    wait_ms(5);
+    mp3.putc(0xEF);
+    wait_ms(5);
+}
+
+void next()
+{
+    mp3.putc(0x7E);
+    wait_ms(5);
+    mp3.putc(0x03);
+    wait_ms(5);
+    mp3.putc(0xAC);
+    wait_ms(5);
+    mp3.putc(0xAF);
+    wait_ms(5);
+    mp3.putc(0xEF);
+    wait_ms(5);
+}
+
+void previous()
+{
+    mp3.putc(0x7E);
+    wait_ms(5);
+    mp3.putc(0x03);
+    wait_ms(5);
+    mp3.putc(0xAD);
+    wait_ms(5);
+    mp3.putc(0xB0);
+    wait_ms(5);
+    mp3.putc(0xEF);
+    wait_ms(5);
+}
+void up()
+{
+    int sum;
+    volume=volume+1;
+    if(volume>31)volume=31;
+    sum=178+volume;
+    printf("volume=%x sum=%x\n\r",(char)volume,(char)sum);
+    mp3.putc(0x7E);
+    wait_ms(5);
+    mp3.putc(0x04);
+    wait_ms(5);
+    mp3.putc(0xAE);
+    wait_ms(5);
+    mp3.putc((char)volume);
+    wait_ms(5);
+    mp3.putc((char)sum);
+    wait_ms(5);
+    mp3.putc(0xEF);
+    wait_ms(5);
+}
+void down()
+{
+    int sum;
+    volume=volume-1;
+
+    if(volume<0)volume=0;
+
+    sum=volume+178;
+    printf("volume=%x sum=%x\n\r",(char)volume,(char)sum);
+    mp3.putc(0x7E);
+    wait_ms(5);
+    mp3.putc(0x04);
+    wait_ms(5);
+    mp3.putc(0xAE);
+    wait_ms(5);
+    mp3.putc((char)volume);
+    wait_ms(5);
+    mp3.putc((char)sum);
+    wait_ms(5);
+    mp3.putc(0xEF);
+    wait_ms(5);
+}
+
+void number(int nb)
+{
+    int sum=nb+5+0+0xA2;
+    printf("Ok, jouons la piste %d\n\r",nb);
+    mp3.putc(0x7E);
+    wait_ms(5);
+    mp3.putc(0x05);
+    wait_ms(5);
+    mp3.putc(0xA2);
+    wait_ms(5);
+    mp3.putc(0x00);
+    wait_ms(5);
+    mp3.putc((char)nb);
+    wait_ms(5);
+    mp3.putc((char)sum);
+    wait_ms(5);
+    mp3.putc(0xEF);
+    wait_ms(5);
+}
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