Diff: DFPlayer.cpp

Revision:

0:2444e79e5540

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DFPlayer.cpp	Fri Apr 23 02:58:41 2021 +0000
@@ -0,0 +1,207 @@
+#include "mbed.h"
+#include "SoftSerial.h"
+//#include "DFPlayer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+SoftSerial  mp3(PF_13, PF_14);
+
+uint8_t is_replay   =   0;
+
+uint8_t send_buf[10] = {0x7E, 0xFF, 0x06, 0x03, 00, 00, 01, 0xFE, 0xF6, 0xEF};
+
+
+void fill_uint16_bigend (uint8_t *thebuf, uint16_t data) 
+{
+    *thebuf =   (uint8_t)(data>>8);
+    *(thebuf+1) =   (uint8_t)data;
+}
+
+uint16_t mp3_get_checksum (uint8_t *thebuf) 
+{
+    uint16_t sum = 0;
+    for (int i=1; i<7; i++) {
+        sum += thebuf[i];
+    }
+    return -sum;
+}
+
+void mp3_fill_checksum () 
+{
+    uint16_t checksum = mp3_get_checksum (send_buf);
+    fill_uint16_bigend (send_buf+7, checksum);
+}
+ 
+void send_func () 
+{
+    int i;
+    for (i = 0; i < 10; i++) {
+        mp3.putc(send_buf[i]);
+//        uart8.printf("%02X ",send_buf[i]);
+    } 
+//    uart8.printf("\r\n");
+//    uart8.printf("\r\n");
+    
+}
+ 
+void mp3_send_cmd1 (uint8_t cmd, uint16_t arg) 
+{
+    send_buf[3] = cmd;
+    fill_uint16_bigend ((send_buf+5), arg);
+    mp3_fill_checksum ();
+    send_func ();
+}
+ 
+void mp3_send_cmd (uint8_t cmd) 
+{
+    send_buf[3] = cmd;
+    fill_uint16_bigend ((send_buf+5), 0);
+    mp3_fill_checksum ();
+    send_func ();
+}
+
+void mp3_set_reply (uint8_t state) 
+{
+    is_replay = state;
+    send_buf[4] = is_replay;
+}
+
+void mp3_play_physical1 (uint16_t num) 
+{
+    mp3_send_cmd1 (0x03, num);
+}
+
+void mp3_play_physical () 
+{
+    mp3_send_cmd (0x03);
+}
+ 
+void mp3_next () 
+{
+    mp3_send_cmd (0x01);
+}
+ 
+void mp3_prev () 
+{
+    mp3_send_cmd (0x02);
+}
+ 
+//0x06 set volume 0-30
+void mp3_set_volume (uint16_t volume) 
+{
+    if(volume > 30)
+    {
+        volume = 30;
+    }
+    mp3_send_cmd1 (0x06, volume);
+}
+ 
+//0x07 set EQ0/1/2/3/4/5    Normal/Pop/Rock/Jazz/Classic/Bass
+void mp3_set_EQ (uint16_t eq) 
+{
+    mp3_send_cmd1 (0x07, eq);
+}
+ 
+//0x09 set device 1/2/3/4/5 U/SD/AUX/SLEEP/FLASH
+void mp3_set_device (uint16_t device) 
+{
+    mp3_send_cmd1 (0x09, device);
+}
+ 
+void mp3_sleep () 
+{
+    mp3_send_cmd (0x0a);
+}
+ 
+void mp3_reset () 
+{
+    mp3_send_cmd (0x0c);
+}
+ 
+void mp3_play () 
+{
+    mp3_send_cmd (0x0d);
+}
+ 
+void mp3_pause () 
+{
+    mp3_send_cmd (0x0e);
+}
+ 
+void mp3_stop () 
+{
+    mp3_send_cmd (0x16);
+}
+ 
+// play mp3 file in mp3 folder in your tf card
+void mp3_play1 (uint16_t num) 
+{
+    mp3_send_cmd1 (0x12, num);
+}
+ 
+void mp3_get_state () 
+{
+    mp3_send_cmd (0x42);
+}
+ 
+void mp3_get_volume () 
+{
+    mp3_send_cmd (0x43);
+}
+ 
+void mp3_get_u_sum () 
+{
+    mp3_send_cmd (0x47);
+}
+ 
+void mp3_get_tf_sum () 
+{
+    mp3_send_cmd (0x48);
+}
+ 
+void mp3_get_flash_sum () 
+{
+    mp3_send_cmd (0x49);
+}
+ 
+void mp3_get_tf_current () 
+{
+    mp3_send_cmd (0x4c);
+}
+ 
+void mp3_get_u_current () 
+{
+    mp3_send_cmd (0x4b);
+}
+ 
+void mp3_get_flash_current () 
+{
+    mp3_send_cmd (0x4d);
+}
+ 
+void mp3_single_loop (uint8_t state) 
+{
+    mp3_send_cmd1 (0x19, !state);
+}
+ 
+void mp3_single_play (uint16_t num) 
+{
+    mp3_play1 (num);
+    wait_ms (10);
+    mp3_single_loop (true); 
+}
+ 
+void mp3_DAC (uint8_t state) 
+{
+    mp3_send_cmd1 (0x1a, !state);
+}
+ 
+void mp3_random_play () 
+{
+    mp3_send_cmd (0x18);
+}
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file