PM 2 plant-buddy
Audio
Dependencies: Lib_DFPlayerMini
Lib_DFPlayerMini.cpp@2:b25892ce36c5, 2021-05-05 (annotated)
- Committer:
- ackerden
- Date:
- Wed May 05 14:59:42 2021 +0000
- Revision:
- 2:b25892ce36c5
- Parent:
- 1:e64636383d8c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bluefish | 0:6e015ec7e3a7 | 1 | #include "Lib_DFPlayerMini.h" |
| bluefish | 0:6e015ec7e3a7 | 2 | |
| bluefish | 1:e64636383d8c | 3 | // constructor |
| bluefish | 0:6e015ec7e3a7 | 4 | DFPlayerMini::DFPlayerMini( PinName busy, PinName tx, PinName rx ) : _busy(busy), _serial( tx, rx ){ |
| bluefish | 0:6e015ec7e3a7 | 5 | _func = NULL; |
| bluefish | 0:6e015ec7e3a7 | 6 | return; |
| bluefish | 0:6e015ec7e3a7 | 7 | } |
| bluefish | 0:6e015ec7e3a7 | 8 | |
| bluefish | 1:e64636383d8c | 9 | // destructor |
| bluefish | 0:6e015ec7e3a7 | 10 | DFPlayerMini::~DFPlayerMini(){ |
| bluefish | 0:6e015ec7e3a7 | 11 | return; |
| bluefish | 0:6e015ec7e3a7 | 12 | } |
| bluefish | 0:6e015ec7e3a7 | 13 | |
| bluefish | 1:e64636383d8c | 14 | // begin |
| bluefish | 0:6e015ec7e3a7 | 15 | void DFPlayerMini::begin(){ |
| bluefish | 0:6e015ec7e3a7 | 16 | _busy.mode( PullUp ); |
| ackerden | 2:b25892ce36c5 | 17 | _serial.set_baud(9600); |
| ackerden | 2:b25892ce36c5 | 18 | _serial.set_format( 8, BufferedSerial::None, 1 ); |
| bluefish | 0:6e015ec7e3a7 | 19 | return; |
| bluefish | 0:6e015ec7e3a7 | 20 | } |
| bluefish | 0:6e015ec7e3a7 | 21 | |
| bluefish | 1:e64636383d8c | 22 | // attach busy interrupt |
| bluefish | 0:6e015ec7e3a7 | 23 | void DFPlayerMini::attachBusyInterrupt( BUSYFUNCPTR func ){ |
| bluefish | 0:6e015ec7e3a7 | 24 | _func = func; |
| bluefish | 0:6e015ec7e3a7 | 25 | if( _func != NULL ){ |
| bluefish | 0:6e015ec7e3a7 | 26 | _busy.fall( _func ); |
| bluefish | 0:6e015ec7e3a7 | 27 | } |
| bluefish | 0:6e015ec7e3a7 | 28 | return; |
| bluefish | 0:6e015ec7e3a7 | 29 | } |
| bluefish | 0:6e015ec7e3a7 | 30 | |
| bluefish | 0:6e015ec7e3a7 | 31 | // play next track |
| bluefish | 0:6e015ec7e3a7 | 32 | void DFPlayerMini::playNext(){ |
| bluefish | 0:6e015ec7e3a7 | 33 | _send_command( DFPLAYER_NEXT, 0x00, 0x00 ); |
| bluefish | 0:6e015ec7e3a7 | 34 | return; |
| bluefish | 0:6e015ec7e3a7 | 35 | } |
| bluefish | 0:6e015ec7e3a7 | 36 | |
| bluefish | 0:6e015ec7e3a7 | 37 | // play previous track |
| bluefish | 0:6e015ec7e3a7 | 38 | void DFPlayerMini::playPrev(){ |
| bluefish | 0:6e015ec7e3a7 | 39 | _send_command( DFPLAYER_PREV, 0x00, 0x00 ); |
| bluefish | 0:6e015ec7e3a7 | 40 | return; |
| bluefish | 0:6e015ec7e3a7 | 41 | } |
| bluefish | 0:6e015ec7e3a7 | 42 | |
| bluefish | 0:6e015ec7e3a7 | 43 | // play previous track |
| bluefish | 0:6e015ec7e3a7 | 44 | void DFPlayerMini::playNumber( uint16_t num ){ |
| bluefish | 0:6e015ec7e3a7 | 45 | _send_command( |
| bluefish | 0:6e015ec7e3a7 | 46 | DFPLAYER_NUM, |
| bluefish | 0:6e015ec7e3a7 | 47 | (uint8_t)( ( num >> 8 ) & 0xFF ), |
| bluefish | 0:6e015ec7e3a7 | 48 | (uint8_t)( ( num >> 0 ) & 0xFF ) |
| bluefish | 0:6e015ec7e3a7 | 49 | ); |
| bluefish | 0:6e015ec7e3a7 | 50 | return; |
| bluefish | 0:6e015ec7e3a7 | 51 | } |
| bluefish | 0:6e015ec7e3a7 | 52 | |
| bluefish | 0:6e015ec7e3a7 | 53 | // play previous track |
| bluefish | 0:6e015ec7e3a7 | 54 | void DFPlayerMini::playFolder( uint8_t folder, uint8_t num ){ |
| bluefish | 0:6e015ec7e3a7 | 55 | _send_command( DFPLAYER_PLAYBACKFOLDER, folder, num ); |
| bluefish | 0:6e015ec7e3a7 | 56 | return; |
| bluefish | 0:6e015ec7e3a7 | 57 | } |
| bluefish | 0:6e015ec7e3a7 | 58 | |
| bluefish | 0:6e015ec7e3a7 | 59 | // increase volume |
| bluefish | 0:6e015ec7e3a7 | 60 | void DFPlayerMini::volumePlus(){ |
| bluefish | 0:6e015ec7e3a7 | 61 | _send_command( DFPLAYER_VOL_PLUS, 0x00, 0x00 ); |
| bluefish | 0:6e015ec7e3a7 | 62 | return; |
| bluefish | 0:6e015ec7e3a7 | 63 | } |
| bluefish | 0:6e015ec7e3a7 | 64 | |
| bluefish | 0:6e015ec7e3a7 | 65 | // decrease volume |
| bluefish | 0:6e015ec7e3a7 | 66 | void DFPlayerMini::volumeMinus(){ |
| bluefish | 0:6e015ec7e3a7 | 67 | _send_command( DFPLAYER_VOL_MINUS, 0x00, 0x00 ); |
| bluefish | 0:6e015ec7e3a7 | 68 | return; |
| bluefish | 0:6e015ec7e3a7 | 69 | } |
| bluefish | 0:6e015ec7e3a7 | 70 | |
| bluefish | 1:e64636383d8c | 71 | // set volume |
| bluefish | 0:6e015ec7e3a7 | 72 | void DFPlayerMini::volumeSet( uint8_t vol ){ |
| bluefish | 0:6e015ec7e3a7 | 73 | vol = ( vol > 30 ) ? 30 : vol ; |
| bluefish | 0:6e015ec7e3a7 | 74 | _send_command( DFPLAYER_VOL_SET, 0x00, vol ); |
| bluefish | 0:6e015ec7e3a7 | 75 | return; |
| bluefish | 0:6e015ec7e3a7 | 76 | } |
| bluefish | 0:6e015ec7e3a7 | 77 | |
| bluefish | 1:e64636383d8c | 78 | // send command |
| bluefish | 0:6e015ec7e3a7 | 79 | void DFPlayerMini::_send_command( DFPLAYERMINICOM com, uint8_t param1, uint8_t param2 ){ |
| bluefish | 0:6e015ec7e3a7 | 80 | uint8_t buf[8]; |
| bluefish | 0:6e015ec7e3a7 | 81 | |
| bluefish | 0:6e015ec7e3a7 | 82 | buf[0] = DFPLAYER_STX; |
| bluefish | 0:6e015ec7e3a7 | 83 | buf[1] = DFPLAYER_VER; |
| bluefish | 0:6e015ec7e3a7 | 84 | buf[2] = 0x06; |
| bluefish | 0:6e015ec7e3a7 | 85 | buf[3] = com; |
| bluefish | 0:6e015ec7e3a7 | 86 | buf[4] = 0x00; |
| bluefish | 0:6e015ec7e3a7 | 87 | buf[5] = param1; |
| bluefish | 0:6e015ec7e3a7 | 88 | buf[6] = param2; |
| bluefish | 0:6e015ec7e3a7 | 89 | buf[7] = DFPLAYER_ETX; |
| bluefish | 0:6e015ec7e3a7 | 90 | |
| bluefish | 0:6e015ec7e3a7 | 91 | _serial.write( buf, 8 ); |
| bluefish | 0:6e015ec7e3a7 | 92 | |
| bluefish | 0:6e015ec7e3a7 | 93 | return; |
| bluefish | 0:6e015ec7e3a7 | 94 | } |