DA14580 Bluetooth Smart IC writer library
Dependents: 11u35_usbLocalFilesystem
DA14580.cpp@6:db0ae78150a3, 2016-03-04 (annotated)
- Committer:
- k4zuki
- Date:
- Fri Mar 04 10:33:45 2016 +0000
- Revision:
- 6:db0ae78150a3
- Parent:
- 5:45e9f3723a08
- Child:
- 7:5f0fe36be5b3
update
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
k4zuki | 6:db0ae78150a3 | 1 | /* |
k4zuki | 5:45e9f3723a08 | 2 | @file DA14580.cpp |
k4zuki | 5:45e9f3723a08 | 3 | */ |
k4zuki | 5:45e9f3723a08 | 4 | //#include "mbed.h" |
k4zuki | 0:3bdbabca8a09 | 5 | #include "DA14580.h" |
k4zuki | 0:3bdbabca8a09 | 6 | |
k4zuki | 0:3bdbabca8a09 | 7 | DA14580::DA14580( PinName TX, PinName RX, PinName RESET ) : _ble(TX,RX), _reset(RESET) |
k4zuki | 0:3bdbabca8a09 | 8 | { |
k4zuki | 5:45e9f3723a08 | 9 | _ble.baud(57600); |
k4zuki | 0:3bdbabca8a09 | 10 | init(); |
k4zuki | 0:3bdbabca8a09 | 11 | } |
k4zuki | 0:3bdbabca8a09 | 12 | |
k4zuki | 0:3bdbabca8a09 | 13 | DA14580::DA14580( RawSerial &ble, PinName RESET ) : _ble(ble), _reset(RESET) |
k4zuki | 0:3bdbabca8a09 | 14 | { |
k4zuki | 5:45e9f3723a08 | 15 | _ble.baud(57600); |
k4zuki | 0:3bdbabca8a09 | 16 | init(); |
k4zuki | 0:3bdbabca8a09 | 17 | } |
k4zuki | 0:3bdbabca8a09 | 18 | |
k4zuki | 0:3bdbabca8a09 | 19 | DA14580::~DA14580() |
k4zuki | 0:3bdbabca8a09 | 20 | { |
k4zuki | 0:3bdbabca8a09 | 21 | } |
k4zuki | 0:3bdbabca8a09 | 22 | |
k4zuki | 0:3bdbabca8a09 | 23 | void DA14580::init() |
k4zuki | 0:3bdbabca8a09 | 24 | { |
k4zuki | 0:3bdbabca8a09 | 25 | |
k4zuki | 0:3bdbabca8a09 | 26 | _crc = 0x00; |
k4zuki | 0:3bdbabca8a09 | 27 | _recieve = 0; |
k4zuki | 0:3bdbabca8a09 | 28 | _read = 0; |
k4zuki | 0:3bdbabca8a09 | 29 | _filesize = 0; |
k4zuki | 5:45e9f3723a08 | 30 | _reset.write(_RESET); |
k4zuki | 5:45e9f3723a08 | 31 | _timeout = _TIMEOUT; |
k4zuki | 0:3bdbabca8a09 | 32 | _status = SUCCESS; |
k4zuki | 0:3bdbabca8a09 | 33 | } |
k4zuki | 0:3bdbabca8a09 | 34 | |
k4zuki | 0:3bdbabca8a09 | 35 | int DA14580::load() |
k4zuki | 0:3bdbabca8a09 | 36 | { |
k4zuki | 0:3bdbabca8a09 | 37 | |
k4zuki | 0:3bdbabca8a09 | 38 | _status = SUCCESS; |
k4zuki | 6:db0ae78150a3 | 39 | _fp = fopen(TARGET_FILE, "rb" ); |
k4zuki | 0:3bdbabca8a09 | 40 | if (_fp) { |
k4zuki | 0:3bdbabca8a09 | 41 | _filesize = file_size(_fp); |
k4zuki | 0:3bdbabca8a09 | 42 | } else { |
k4zuki | 0:3bdbabca8a09 | 43 | _status = E_FILE_NOT_FOUND; |
k4zuki | 0:3bdbabca8a09 | 44 | } |
k4zuki | 5:45e9f3723a08 | 45 | if(_status == SUCCESS) { |
k4zuki | 5:45e9f3723a08 | 46 | _reset.write(_BOOT); |
k4zuki | 5:45e9f3723a08 | 47 | wait_us(1); |
k4zuki | 5:45e9f3723a08 | 48 | while(1) { |
k4zuki | 5:45e9f3723a08 | 49 | while( _ble.readable() ) { |
k4zuki | 5:45e9f3723a08 | 50 | _recieve = _ble.getc(); |
k4zuki | 5:45e9f3723a08 | 51 | } |
k4zuki | 5:45e9f3723a08 | 52 | if(_recieve == STX) { |
k4zuki | 5:45e9f3723a08 | 53 | _ble.putc(SOH); |
k4zuki | 5:45e9f3723a08 | 54 | _ble.putc(_filesize & 0xff); |
k4zuki | 5:45e9f3723a08 | 55 | _ble.putc( (_filesize >> 8) & 0xff); |
k4zuki | 5:45e9f3723a08 | 56 | break; |
k4zuki | 5:45e9f3723a08 | 57 | } |
k4zuki | 5:45e9f3723a08 | 58 | } |
k4zuki | 5:45e9f3723a08 | 59 | |
k4zuki | 5:45e9f3723a08 | 60 | while(1) { |
k4zuki | 5:45e9f3723a08 | 61 | _recieve = _ble.getc(); |
k4zuki | 5:45e9f3723a08 | 62 | if(_recieve == ACK) { |
k4zuki | 5:45e9f3723a08 | 63 | break; |
k4zuki | 5:45e9f3723a08 | 64 | } else { |
k4zuki | 5:45e9f3723a08 | 65 | _status = E_ACK_NOT_RETURNED; |
k4zuki | 5:45e9f3723a08 | 66 | break; |
k4zuki | 5:45e9f3723a08 | 67 | } |
k4zuki | 5:45e9f3723a08 | 68 | } |
k4zuki | 5:45e9f3723a08 | 69 | |
k4zuki | 5:45e9f3723a08 | 70 | if(_status == SUCCESS) { |
k4zuki | 5:45e9f3723a08 | 71 | for(int i = 0; i < _filesize; i++) { |
k4zuki | 5:45e9f3723a08 | 72 | _read = getc(_fp); |
k4zuki | 5:45e9f3723a08 | 73 | _ble.putc(_read); |
k4zuki | 5:45e9f3723a08 | 74 | _crc = _crc ^ _read; |
k4zuki | 5:45e9f3723a08 | 75 | } |
k4zuki | 5:45e9f3723a08 | 76 | while(1) { |
k4zuki | 5:45e9f3723a08 | 77 | _recieve = _ble.getc(); |
k4zuki | 5:45e9f3723a08 | 78 | if(_recieve == _crc) { |
k4zuki | 5:45e9f3723a08 | 79 | _ble.putc(ACK); |
k4zuki | 5:45e9f3723a08 | 80 | break; |
k4zuki | 5:45e9f3723a08 | 81 | } else { |
k4zuki | 5:45e9f3723a08 | 82 | _status = E_CRC_MISMATCH; |
k4zuki | 5:45e9f3723a08 | 83 | break; |
k4zuki | 5:45e9f3723a08 | 84 | } |
k4zuki | 5:45e9f3723a08 | 85 | } |
k4zuki | 5:45e9f3723a08 | 86 | } |
k4zuki | 5:45e9f3723a08 | 87 | } |
k4zuki | 5:45e9f3723a08 | 88 | fclose(_fp); |
k4zuki | 5:45e9f3723a08 | 89 | #if defined(__MICROLIB) && defined(__ARMCC_VERSION) // with microlib and ARM compiler |
k4zuki | 5:45e9f3723a08 | 90 | #warning "free(_fp)" |
k4zuki | 5:45e9f3723a08 | 91 | free(_fp); |
k4zuki | 5:45e9f3723a08 | 92 | #endif |
k4zuki | 0:3bdbabca8a09 | 93 | return _status; |
k4zuki | 0:3bdbabca8a09 | 94 | |
k4zuki | 0:3bdbabca8a09 | 95 | } |
k4zuki | 0:3bdbabca8a09 | 96 | |
k4zuki | 0:3bdbabca8a09 | 97 | int DA14580::file_size( FILE *fp ) |
k4zuki | 0:3bdbabca8a09 | 98 | { |
k4zuki | 0:3bdbabca8a09 | 99 | int size; |
k4zuki | 0:3bdbabca8a09 | 100 | |
k4zuki | 0:3bdbabca8a09 | 101 | fseek( fp, 0, SEEK_END ); // seek to end of file |
k4zuki | 0:3bdbabca8a09 | 102 | size = ftell( fp ); // get current file pointer |
k4zuki | 0:3bdbabca8a09 | 103 | fseek( fp, 0, SEEK_SET ); // seek back to beginning of file |
k4zuki | 0:3bdbabca8a09 | 104 | |
k4zuki | 0:3bdbabca8a09 | 105 | return size; |
k4zuki | 0:3bdbabca8a09 | 106 | } |
k4zuki | 0:3bdbabca8a09 | 107 |