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Dependencies:   mbed CANBuffer Watchdog MODSERIAL mbed-rtos xbeeRelay IAP

Fork of SystemManagement by Martin Deng

Libs/Xbee/Xbee.cpp@30:91af74a299e1, 2014-11-13 (annotated)

Committer:
pspatel321
Date:
Thu Nov 13 10:53:10 2014 +0000
Revision:
30:91af74a299e1
Parth's edits for the week.; DC-DC completed and fixed, IMD updated, LatchMonitor and Temperature added.  Serial dashboard updated.  File structure changed Everything tested.  Compiles and runs.; Still need to write CAN in/out interface.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pspatel321 30:91af74a299e1 1 #include "Xbee.h"
pspatel321 30:91af74a299e1 2
pspatel321 30:91af74a299e1 3 Xbee::Xbee(PinName tx, PinName rx, int baudrate, int bufferSize, char _delim) : xbee(tx, rx, bufferSize) {
pspatel321 30:91af74a299e1 4 xbee.baud(baudrate);
pspatel321 30:91af74a299e1 5 charCounter = 0;
pspatel321 30:91af74a299e1 6 numMessagesIn = 0;
pspatel321 30:91af74a299e1 7 numMessagesOut = 0;
pspatel321 30:91af74a299e1 8 delim = _delim;
pspatel321 30:91af74a299e1 9
pspatel321 30:91af74a299e1 10 // Attach callback when a new message delimiter character arrives
pspatel321 30:91af74a299e1 11 xbee.autoDetectChar(delim);
pspatel321 30:91af74a299e1 12 xbee.attach(this, &Xbee::newMsg, MODSERIAL::RxAutoDetect);
pspatel321 30:91af74a299e1 13 }
pspatel321 30:91af74a299e1 14 bool Xbee::send(CANMessage& msg) {
pspatel321 30:91af74a299e1 15 if (!xbee.writeable()) return false; // Exit, txBuffer full
pspatel321 30:91af74a299e1 16
pspatel321 30:91af74a299e1 17 // Format as string
pspatel321 30:91af74a299e1 18 char str[100];
pspatel321 30:91af74a299e1 19
pspatel321 30:91af74a299e1 20 // Will it fit?
pspatel321 30:91af74a299e1 21 if (xbee.txBufferGetSize(0) - xbee.txBufferGetCount() > strlen(str)){
pspatel321 30:91af74a299e1 22 xbee.printf("%s\n", str);
pspatel321 30:91af74a299e1 23 numMessagesOut++;
pspatel321 30:91af74a299e1 24 return true;
pspatel321 30:91af74a299e1 25
pspatel321 30:91af74a299e1 26 // Don't send
pspatel321 30:91af74a299e1 27 } else {
pspatel321 30:91af74a299e1 28 return false;
pspatel321 30:91af74a299e1 29 }
pspatel321 30:91af74a299e1 30 }
pspatel321 30:91af74a299e1 31 bool Xbee::receive(CANMessage& msg) {
pspatel321 30:91af74a299e1 32 char str[100];
pspatel321 30:91af74a299e1 33 unsigned int i = 0;
pspatel321 30:91af74a299e1 34
pspatel321 30:91af74a299e1 35 if (charCounter == 0) return false; // No messages yet
pspatel321 30:91af74a299e1 36 else {
pspatel321 30:91af74a299e1 37 while (xbee.readable()) { // Build string until buffer is empty or delimiter char is found
pspatel321 30:91af74a299e1 38 char c = xbee.getc();
pspatel321 30:91af74a299e1 39 str[i] = c;
pspatel321 30:91af74a299e1 40 i++;
pspatel321 30:91af74a299e1 41 if (c == delim) {
pspatel321 30:91af74a299e1 42 charCounter--;
pspatel321 30:91af74a299e1 43 str[i-1] = '\0'; // Null terminator in place of delimiter char
pspatel321 30:91af74a299e1 44 break;
pspatel321 30:91af74a299e1 45 }
pspatel321 30:91af74a299e1 46 }
pspatel321 30:91af74a299e1 47 }
pspatel321 30:91af74a299e1 48
pspatel321 30:91af74a299e1 49 // Process string into CAN Message
pspatel321 30:91af74a299e1 50 int len = strlen(str);
pspatel321 30:91af74a299e1 51
pspatel321 30:91af74a299e1 52 numMessagesIn++;
pspatel321 30:91af74a299e1 53 return true;
pspatel321 30:91af74a299e1 54 }
pspatel321 30:91af74a299e1 55 void Xbee::newMsg(MODSERIAL_IRQ_INFO *q) {
pspatel321 30:91af74a299e1 56 charCounter++;
pspatel321 30:91af74a299e1 57 }