Penn Electric Racing / Mbed 2 deprecated SystemManagement

System Management code

Dependencies:   mbed CANBuffer Watchdog MODSERIAL mbed-rtos xbeeRelay IAP

Fork of SystemManagement by Martin Deng

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

Committer:
pspatel321
Date:
Thu Nov 13 10:53:10 2014 +0000
Revision:
30:91af74a299e1
Child:
31:7eaa5e881b56
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 "serviceCAN.h"
pspatel321 30:91af74a299e1 2
pspatel321 30:91af74a299e1 3 // MACRO to setup handling of timeouts
pspatel321 30:91af74a299e1 4 #define TIMEOUT(VAR) Timeout timer_##VAR; void timeout_##VAR(){ flags.VAR = false; }
pspatel321 30:91af74a299e1 5 #define REFRESH_TIMEOUT(VAR) timer_##VAR.detach(); timer_##VAR.attach(&timeout_##VAR, DEVICE_CAN_TIMEOUT/100.0);
pspatel321 30:91af74a299e1 6 #define CHECK_ERRORS(VAR, MSG) if (hasErrors(MSG)) { flags.VAR = false; } else { flags.VAR = true; }
pspatel321 30:91af74a299e1 7
pspatel321 30:91af74a299e1 8 // Timeouts to handle cases where CAN messages stop coming in
pspatel321 30:91af74a299e1 9
pspatel321 30:91af74a299e1 10
pspatel321 30:91af74a299e1 11 // Check every byte of the message for an error bit
pspatel321 30:91af74a299e1 12 bool hasErrors(CANMessage& msg) {
pspatel321 30:91af74a299e1 13 bool errorPresent = false;
pspatel321 30:91af74a299e1 14 for (int i = 0; i < msg.len; i++) {
pspatel321 30:91af74a299e1 15 if (i >= 8) { errorPresent = true; break; } // out of bounds, bad CAN message
pspatel321 30:91af74a299e1 16 if (msg.data[i]) errorPresent = true;
pspatel321 30:91af74a299e1 17 }
pspatel321 30:91af74a299e1 18 return errorPresent;
pspatel321 30:91af74a299e1 19 }
pspatel321 30:91af74a299e1 20
pspatel321 30:91af74a299e1 21 bool canbus::serviceCAN() {
pspatel321 30:91af74a299e1 22 CANMessage msg;
pspatel321 30:91af74a299e1 23
pspatel321 30:91af74a299e1 24 return false;
pspatel321 30:91af74a299e1 25 }