Library for using the xbee-compatible Bluetooth Bee Module on an m3pi.
Dependencies: SensoryTest
Fork of btbee by
btbee.cpp@4:3cdbefbd2409, 2014-02-05 (annotated)
- Committer:
- ngoldin
- Date:
- Wed Feb 05 11:18:48 2014 +0000
- Revision:
- 4:3cdbefbd2409
- Parent:
- 3:ddeb620fb25e
fixed read_line. hopefully.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ngoldin | 0:e7cb710c8900 | 1 | #include "btbee.h" |
ngoldin | 0:e7cb710c8900 | 2 | |
ngoldin | 0:e7cb710c8900 | 3 | btbee::btbee(PinName respin, PinName tx, PinName rx) : |
ngoldin | 0:e7cb710c8900 | 4 | Serial(tx, rx) , reset_out(respin) |
ngoldin | 0:e7cb710c8900 | 5 | { |
ngoldin | 2:12c38a710982 | 6 | reset_out.write(1); |
ngoldin | 2:12c38a710982 | 7 | baud(DEFAULT_BAUD); |
ngoldin | 0:e7cb710c8900 | 8 | } |
ngoldin | 0:e7cb710c8900 | 9 | |
ngoldin | 0:e7cb710c8900 | 10 | btbee::btbee( ) : |
ngoldin | 0:e7cb710c8900 | 11 | Serial(p28,p27), reset_out(p26) |
ngoldin | 0:e7cb710c8900 | 12 | { |
ngoldin | 0:e7cb710c8900 | 13 | reset_out.write(1); |
ngoldin | 2:12c38a710982 | 14 | baud(DEFAULT_BAUD); |
ngoldin | 0:e7cb710c8900 | 15 | } |
ngoldin | 0:e7cb710c8900 | 16 | |
ngoldin | 0:e7cb710c8900 | 17 | void btbee::reset(void){ |
ngoldin | 0:e7cb710c8900 | 18 | reset_out.write(0); |
ngoldin | 0:e7cb710c8900 | 19 | wait(0.01); |
ngoldin | 0:e7cb710c8900 | 20 | reset_out.write(1); |
ngoldin | 0:e7cb710c8900 | 21 | } |
ngoldin | 0:e7cb710c8900 | 22 | |
ngoldin | 2:12c38a710982 | 23 | void btbee::at_baud(void){ |
ngoldin | 2:12c38a710982 | 24 | baud(AT_BAUD); |
ngoldin | 2:12c38a710982 | 25 | } |
ngoldin | 2:12c38a710982 | 26 | |
ngoldin | 2:12c38a710982 | 27 | void btbee::factory_baud(void){ |
ngoldin | 2:12c38a710982 | 28 | baud(FACTORY_BAUD); |
ngoldin | 2:12c38a710982 | 29 | } |
ngoldin | 2:12c38a710982 | 30 | |
ngoldin | 2:12c38a710982 | 31 | void btbee::default_baud(void){ |
ngoldin | 2:12c38a710982 | 32 | baud(DEFAULT_BAUD); |
ngoldin | 2:12c38a710982 | 33 | } |
ngoldin | 1:56f437e4d9e0 | 34 | |
ngoldin | 1:56f437e4d9e0 | 35 | /* Read from the serial as long as it is readable. |
ngoldin | 1:56f437e4d9e0 | 36 | * Params: pointer to char array for the return, |
ngoldin | 1:56f437e4d9e0 | 37 | * int containing the length of the char array |
ngoldin | 1:56f437e4d9e0 | 38 | * pointer to int for return of chars read |
ngoldin | 1:56f437e4d9e0 | 39 | * Return: 1 if ok, 0 if array full but more there to read |
ngoldin | 1:56f437e4d9e0 | 40 | */ |
ngoldin | 1:56f437e4d9e0 | 41 | int btbee::read_all(char * arr, const int len, int * chars_read){ |
ngoldin | 1:56f437e4d9e0 | 42 | int pos=0; |
ngoldin | 1:56f437e4d9e0 | 43 | while (readable()){ |
ngoldin | 1:56f437e4d9e0 | 44 | if (pos==len){return 0;} |
ngoldin | 1:56f437e4d9e0 | 45 | arr[pos]=getc(); |
ngoldin | 1:56f437e4d9e0 | 46 | pos++; |
ngoldin | 1:56f437e4d9e0 | 47 | *chars_read = pos; |
ngoldin | 1:56f437e4d9e0 | 48 | } |
ngoldin | 1:56f437e4d9e0 | 49 | return 1; |
ngoldin | 1:56f437e4d9e0 | 50 | } |
ngoldin | 1:56f437e4d9e0 | 51 | |
ngoldin | 3:ddeb620fb25e | 52 | /* Read from the serial as long as no LF (\n) char has been read. |
ngoldin | 3:ddeb620fb25e | 53 | * WARNING: This will block your program if no LF is received. |
ngoldin | 3:ddeb620fb25e | 54 | * Params: pointer to char array for the return, |
ngoldin | 3:ddeb620fb25e | 55 | * int containing the length of the char array |
ngoldin | 3:ddeb620fb25e | 56 | * pointer to int for return of chars read |
ngoldin | 3:ddeb620fb25e | 57 | * Return: 1 if ok, 0 if array full but more there to read |
ngoldin | 3:ddeb620fb25e | 58 | */ |
ngoldin | 3:ddeb620fb25e | 59 | int btbee::read_line(char * arr, const int len, int * chars_read){ |
ngoldin | 3:ddeb620fb25e | 60 | int pos=0; |
ngoldin | 3:ddeb620fb25e | 61 | do |
ngoldin | 3:ddeb620fb25e | 62 | { |
ngoldin | 4:3cdbefbd2409 | 63 | while(!readable()){} //wait until readable |
ngoldin | 4:3cdbefbd2409 | 64 | if (pos==len){return 0;} |
ngoldin | 3:ddeb620fb25e | 65 | arr[pos]=getc(); |
ngoldin | 3:ddeb620fb25e | 66 | pos++; |
ngoldin | 3:ddeb620fb25e | 67 | *chars_read = pos; |
ngoldin | 3:ddeb620fb25e | 68 | } |
ngoldin | 4:3cdbefbd2409 | 69 | while (!(arr[pos-1]=='\n')); |
ngoldin | 3:ddeb620fb25e | 70 | return 1; |
ngoldin | 3:ddeb620fb25e | 71 | } |