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

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

Committer:
pspatel321
Date:
Thu Nov 13 10:53:10 2014 +0000
Revision:
30:91af74a299e1
Child:
36:0afc0fc8f86b
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 #ifndef __LATCH_MONITOR_H
pspatel321 30:91af74a299e1 2 #define __LATCH_MONITOR_H
pspatel321 30:91af74a299e1 3
pspatel321 30:91af74a299e1 4 #include "mbed.h"
pspatel321 30:91af74a299e1 5 #include "LPCDigitalIn.h"
pspatel321 30:91af74a299e1 6
pspatel321 30:91af74a299e1 7 enum LatchMon_Status_Bits {
pspatel321 30:91af74a299e1 8 okPinF=1,
pspatel321 30:91af74a299e1 9 faultPinF=2,
pspatel321 30:91af74a299e1 10 softwareF=4,
pspatel321 30:91af74a299e1 11 hardwareF=8,
pspatel321 30:91af74a299e1 12 };
pspatel321 30:91af74a299e1 13
pspatel321 30:91af74a299e1 14 class LatchMonitor {
pspatel321 30:91af74a299e1 15
pspatel321 30:91af74a299e1 16 public:
pspatel321 30:91af74a299e1 17 // Make this startup delay longer than the actual hardware circuit delay so that it can catch errors in the circuit
pspatel321 30:91af74a299e1 18 LatchMonitor(LPC_pin _ok, LPC_pin _fault, unsigned int startupDelay_ms);
pspatel321 30:91af74a299e1 19 /*
pspatel321 30:91af74a299e1 20 char update() returns status encoded in a char
pspatel321 30:91af74a299e1 21 bit0 = okPinFault - equals 1 when the OK pin from the monitored device is LOW indicating device fault
pspatel321 30:91af74a299e1 22 bit1 = faultPinFault - equals 1 when the sys. mgmt. latch circuit is faulted with startup timer in hardware
pspatel321 30:91af74a299e1 23 bit2 = softwareFault - equals 1 when the LatchMonitor fault occurs with startup timer in software
pspatel321 30:91af74a299e1 24 bit3 = hardwareFault - the circuit is supposed to signal fault on the hardware pin but its not doing so!
pspatel321 30:91af74a299e1 25 */
pspatel321 30:91af74a299e1 26 char update();
pspatel321 30:91af74a299e1 27 private:
pspatel321 30:91af74a299e1 28 Timeout startup;
pspatel321 30:91af74a299e1 29 void startupDelay();
pspatel321 30:91af74a299e1 30 bool started;
pspatel321 30:91af74a299e1 31 LPCDigitalIn okPin;
pspatel321 30:91af74a299e1 32 LPCDigitalIn faultPin;
pspatel321 30:91af74a299e1 33 };
pspatel321 30:91af74a299e1 34
pspatel321 30:91af74a299e1 35 #endif