Lab 6 - Step 3: Add Detection of Hardware Failure
Fork of ADCandticker_sample by
wdt.cpp
00001 #include "mbed.h" 00002 #include "wdt.h" 00003 00004 00005 // Simple Library for Watchdog 00006 // --------------------------- 00007 00008 // Initialise watchdog using 1KHz clock 00009 // To prevent overwriting, only a single write to the COPC register possible 00010 // 00011 void wdt_1sec() { 00012 // 1024ms, not windowed - this is the default 00013 /* SIM_COPC: COPT=11,COPCLKS=0,COPW=0 */ 00014 SIM->COPC = (uint32_t)0x0Cu; 00015 } 00016 00017 void wdt_256ms() { 00018 // 256ms, not windowed 00019 /* SIM_COPC: COPT=10,COPCLKS=0,COPW=0 */ 00020 SIM->COPC = (uint32_t)0x08u; 00021 } 00022 00023 void wdt_32ms() { 00024 // 32ms, not windowed 00025 /* SIM_COPC: COPT=01,COPCLKS=0,COPW=0 */ 00026 SIM->COPC = (uint32_t)0x04u; 00027 } 00028 00029 // Kick (feed, reload) our watchdog timer 00030 void wdt_kick_all(){ 00031 SIM->SRVCOP = (uint32_t)0x55u; 00032 SIM->SRVCOP = (uint32_t)0xAAu; 00033 } 00034 00035 void wdt_kickA(){ 00036 SIM->SRVCOP = (uint32_t)0x55u; 00037 } 00038 00039 void wdt_kickB(){ 00040 SIM->SRVCOP = (uint32_t)0xAAu; 00041 } 00042 00043
Generated on Fri Aug 5 2022 02:59:24 by
1.7.2
