TUB-MRT / btbee

Minimale Veränderungen in Btbee; Die Datenübertragung funktioniert nicht hunderprozentig, v.a. wenn mehrere Bytes übertragen werden.

Fork of btbee by Nikolas Goldin

btbee.cpp@1:56f437e4d9e0, 2013-05-16 (annotated)

Committer:
ngoldin
Date:
Thu May 16 12:09:30 2013 +0000
Revision:
1:56f437e4d9e0
Parent:
0:e7cb710c8900
Child:
2:12c38a710982
fixed;

Who changed what in which revision?

UserRevisionLine numberNew 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 0:e7cb710c8900 6 reset_out.write(1);
ngoldin 0:e7cb710c8900 7 }
ngoldin 0:e7cb710c8900 8
ngoldin 0:e7cb710c8900 9 btbee::btbee( ) :
ngoldin 0:e7cb710c8900 10 Serial(p28,p27), reset_out(p26)
ngoldin 0:e7cb710c8900 11 {
ngoldin 0:e7cb710c8900 12 reset_out.write(1);
ngoldin 0:e7cb710c8900 13 }
ngoldin 0:e7cb710c8900 14
ngoldin 0:e7cb710c8900 15 void btbee::reset(void){
ngoldin 0:e7cb710c8900 16 reset_out.write(0);
ngoldin 0:e7cb710c8900 17 wait(0.01);
ngoldin 0:e7cb710c8900 18 reset_out.write(1);
ngoldin 0:e7cb710c8900 19 }
ngoldin 0:e7cb710c8900 20
ngoldin 1:56f437e4d9e0 21
ngoldin 1:56f437e4d9e0 22 /* Read from the serial as long as it is readable.
ngoldin 1:56f437e4d9e0 23 * Params: pointer to char array for the return,
ngoldin 1:56f437e4d9e0 24 * int containing the length of the char array
ngoldin 1:56f437e4d9e0 25 * pointer to int for return of chars read
ngoldin 1:56f437e4d9e0 26 * Return: 1 if ok, 0 if array full but more there to read
ngoldin 1:56f437e4d9e0 27 */
ngoldin 1:56f437e4d9e0 28 int btbee::read_all(char * arr, const int len, int * chars_read){
ngoldin 1:56f437e4d9e0 29 int pos=0;
ngoldin 1:56f437e4d9e0 30 while (readable()){
ngoldin 1:56f437e4d9e0 31 if (pos==len){return 0;}
ngoldin 1:56f437e4d9e0 32 arr[pos]=getc();
ngoldin 1:56f437e4d9e0 33 pos++;
ngoldin 1:56f437e4d9e0 34 *chars_read = pos;
ngoldin 1:56f437e4d9e0 35 }
ngoldin 1:56f437e4d9e0 36 return 1;
ngoldin 1:56f437e4d9e0 37 }
ngoldin 1:56f437e4d9e0 38