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Watchdog example. Added fault coverage in all 3 threads.
Fork of Watchdog_sample_nocoverage by
wdt.cpp@1:159a09ac60ba, 2017-02-28 (annotated)
- Committer:
- WilliamMarshQMUL
- Date:
- Tue Feb 28 17:39:50 2017 +0000
- Revision:
- 1:159a09ac60ba
First version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WilliamMarshQMUL | 1:159a09ac60ba | 1 | #include "mbed.h" |
WilliamMarshQMUL | 1:159a09ac60ba | 2 | #include "wdt.h" |
WilliamMarshQMUL | 1:159a09ac60ba | 3 | |
WilliamMarshQMUL | 1:159a09ac60ba | 4 | |
WilliamMarshQMUL | 1:159a09ac60ba | 5 | // Simple Library for Watchdog |
WilliamMarshQMUL | 1:159a09ac60ba | 6 | // --------------------------- |
WilliamMarshQMUL | 1:159a09ac60ba | 7 | |
WilliamMarshQMUL | 1:159a09ac60ba | 8 | // Initialise watchdog using 1KHz clock |
WilliamMarshQMUL | 1:159a09ac60ba | 9 | // To prevent overwriting, only a single write to the COPC register possible |
WilliamMarshQMUL | 1:159a09ac60ba | 10 | // |
WilliamMarshQMUL | 1:159a09ac60ba | 11 | void wdt_1sec() { |
WilliamMarshQMUL | 1:159a09ac60ba | 12 | // 1024ms, not windowed - this is the default |
WilliamMarshQMUL | 1:159a09ac60ba | 13 | /* SIM_COPC: COPT=11,COPCLKS=0,COPW=0 */ |
WilliamMarshQMUL | 1:159a09ac60ba | 14 | SIM->COPC = (uint32_t)0x0Cu; |
WilliamMarshQMUL | 1:159a09ac60ba | 15 | } |
WilliamMarshQMUL | 1:159a09ac60ba | 16 | |
WilliamMarshQMUL | 1:159a09ac60ba | 17 | void wdt_256ms() { |
WilliamMarshQMUL | 1:159a09ac60ba | 18 | // 256ms, not windowed |
WilliamMarshQMUL | 1:159a09ac60ba | 19 | /* SIM_COPC: COPT=10,COPCLKS=0,COPW=0 */ |
WilliamMarshQMUL | 1:159a09ac60ba | 20 | SIM->COPC = (uint32_t)0x08u; |
WilliamMarshQMUL | 1:159a09ac60ba | 21 | } |
WilliamMarshQMUL | 1:159a09ac60ba | 22 | |
WilliamMarshQMUL | 1:159a09ac60ba | 23 | void wdt_32ms() { |
WilliamMarshQMUL | 1:159a09ac60ba | 24 | // 32ms, not windowed |
WilliamMarshQMUL | 1:159a09ac60ba | 25 | /* SIM_COPC: COPT=01,COPCLKS=0,COPW=0 */ |
WilliamMarshQMUL | 1:159a09ac60ba | 26 | SIM->COPC = (uint32_t)0x04u; |
WilliamMarshQMUL | 1:159a09ac60ba | 27 | } |
WilliamMarshQMUL | 1:159a09ac60ba | 28 | |
WilliamMarshQMUL | 1:159a09ac60ba | 29 | // Kick (feed, reload) our watchdog timer |
WilliamMarshQMUL | 1:159a09ac60ba | 30 | void wdt_kick_all(){ |
WilliamMarshQMUL | 1:159a09ac60ba | 31 | SIM->SRVCOP = (uint32_t)0x55u; |
WilliamMarshQMUL | 1:159a09ac60ba | 32 | SIM->SRVCOP = (uint32_t)0xAAu; |
WilliamMarshQMUL | 1:159a09ac60ba | 33 | } |
WilliamMarshQMUL | 1:159a09ac60ba | 34 | |
WilliamMarshQMUL | 1:159a09ac60ba | 35 | void wdt_kickA(){ |
WilliamMarshQMUL | 1:159a09ac60ba | 36 | SIM->SRVCOP = (uint32_t)0x55u; |
WilliamMarshQMUL | 1:159a09ac60ba | 37 | } |
WilliamMarshQMUL | 1:159a09ac60ba | 38 | |
WilliamMarshQMUL | 1:159a09ac60ba | 39 | void wdt_kickB(){ |
WilliamMarshQMUL | 1:159a09ac60ba | 40 | SIM->SRVCOP = (uint32_t)0xAAu; |
WilliamMarshQMUL | 1:159a09ac60ba | 41 | } |
WilliamMarshQMUL | 1:159a09ac60ba | 42 | |
WilliamMarshQMUL | 1:159a09ac60ba | 43 |