Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: mbed CANBuffer Watchdog MODSERIAL mbed-rtos xbeeRelay IAP
Fork of
SystemManagement
by 
Martin Deng
IMD/IMD.h@24:f58a3c0071c3, 2014-11-07 (annotated)
- Committer:
- martydd3
- Date:
- Fri Nov 07 21:26:46 2014 +0000
- Revision:
- 24:f58a3c0071c3
- Parent:
- 17:c9ce210f6654
finally compiles
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| pspatel321 | 13:fbd9b3f5a07c | 1 | // copied idea from http://developer.mbed.org/forum/mbed/topic/466/?page=1#comment-2457 |
| pspatel321 | 13:fbd9b3f5a07c | 2 | |
| pspatel321 | 13:fbd9b3f5a07c | 3 | #ifndef _FILE_IMD_H |
| pspatel321 | 13:fbd9b3f5a07c | 4 | #define _FILE_IMD_H |
| pspatel321 | 13:fbd9b3f5a07c | 5 | |
| pspatel321 | 13:fbd9b3f5a07c | 6 | #include "mbed.h" |
| pspatel321 | 13:fbd9b3f5a07c | 7 | #include "LPCDigitalIn.h" |
| pspatel321 | 13:fbd9b3f5a07c | 8 | |
| pspatel321 | 13:fbd9b3f5a07c | 9 | const float ZERO_HZ_TIMEOUT = 0.1; // Time (sec) that must pass without an edge to call it 0 Hz, set to greater than the longest expected pulse width |
| pspatel321 | 13:fbd9b3f5a07c | 10 | |
| pspatel321 | 13:fbd9b3f5a07c | 11 | enum EdgeT { |
| pspatel321 | 13:fbd9b3f5a07c | 12 | RISING=5, |
| pspatel321 | 13:fbd9b3f5a07c | 13 | FALLING=6, |
| pspatel321 | 13:fbd9b3f5a07c | 14 | BOTH=7, |
| pspatel321 | 13:fbd9b3f5a07c | 15 | }; |
| pspatel321 | 17:c9ce210f6654 | 16 | |
| pspatel321 | 17:c9ce210f6654 | 17 | enum IMDstatus { |
| pspatel321 | 17:c9ce210f6654 | 18 | OFF=0, |
| pspatel321 | 17:c9ce210f6654 | 19 | NORMAL=1, |
| pspatel321 | 17:c9ce210f6654 | 20 | UNDERVOLT=2, |
| pspatel321 | 17:c9ce210f6654 | 21 | SPEEDSTART=3, |
| pspatel321 | 17:c9ce210f6654 | 22 | ERROR=4, |
| pspatel321 | 17:c9ce210f6654 | 23 | GROUNDERR=5, |
| pspatel321 | 17:c9ce210f6654 | 24 | INVALID=6, |
| pspatel321 | 17:c9ce210f6654 | 25 | }; |
| pspatel321 | 17:c9ce210f6654 | 26 | |
| pspatel321 | 13:fbd9b3f5a07c | 27 | class IMD{ |
| pspatel321 | 13:fbd9b3f5a07c | 28 | public: |
| pspatel321 | 13:fbd9b3f5a07c | 29 | IMD(); |
| pspatel321 | 13:fbd9b3f5a07c | 30 | |
| pspatel321 | 13:fbd9b3f5a07c | 31 | char status(); |
| pspatel321 | 13:fbd9b3f5a07c | 32 | // Gets the insulation resistance reading |
| pspatel321 | 13:fbd9b3f5a07c | 33 | // Returns 0 to 50,000,000 in normal/UV modes |
| pspatel321 | 13:fbd9b3f5a07c | 34 | // Returns 0 or 50,000,000 in speed start (good/bad only) |
| pspatel321 | 13:fbd9b3f5a07c | 35 | // -1 for invalid measurement (out of permissible range) |
| pspatel321 | 13:fbd9b3f5a07c | 36 | // and NaN for not applicable mode |
| pspatel321 | 13:fbd9b3f5a07c | 37 | float resistance(); |
| pspatel321 | 13:fbd9b3f5a07c | 38 | |
| pspatel321 | 13:fbd9b3f5a07c | 39 | // Interrupt function for the edge type detected |
| pspatel321 | 13:fbd9b3f5a07c | 40 | void edgeIRQ(); |
| pspatel321 | 13:fbd9b3f5a07c | 41 | // Used to zero (reset) the data on timeout |
| pspatel321 | 13:fbd9b3f5a07c | 42 | void zeroIRQ(); |
| pspatel321 | 13:fbd9b3f5a07c | 43 | |
| pspatel321 | 13:fbd9b3f5a07c | 44 | private: |
| pspatel321 | 13:fbd9b3f5a07c | 45 | float frequency(); |
| pspatel321 | 13:fbd9b3f5a07c | 46 | float duty(); |
| pspatel321 | 17:c9ce210f6654 | 47 | volatile uint32_t startTime; |
| pspatel321 | 17:c9ce210f6654 | 48 | volatile uint32_t widthTicks; |
| pspatel321 | 17:c9ce210f6654 | 49 | volatile uint32_t periodTicks; |
| pspatel321 | 17:c9ce210f6654 | 50 | volatile bool first; |
| pspatel321 | 13:fbd9b3f5a07c | 51 | }; |
| pspatel321 | 13:fbd9b3f5a07c | 52 | |
| pspatel321 | 13:fbd9b3f5a07c | 53 | #endif |