Added definition for LCP11u24 and LCP11u24
Fork of Watchdog by
I added support for LPC11U24, ARCH GPRS and ARCH GPRS V2
Diff: Watchdog.cpp
- Revision:
- 0:7a316f14da9c
- Child:
- 2:2873f068f325
diff -r 000000000000 -r 7a316f14da9c Watchdog.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Watchdog.cpp Sun Mar 20 23:22:50 2011 +0000 @@ -0,0 +1,33 @@ + +#include "mbed.h" +#include "Watchdog.h" + + + +/// Watchdog gets instantiated at the module level +Watchdog::Watchdog() { + wdreset = (LPC_WDT->WDMOD >> 2) & 1; +} + +/// Load timeout value in watchdog timer and enable +void Watchdog::Configure(float s) { + LPC_WDT->WDCLKSEL = 0x1; // Set CLK src to PCLK + uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4 + LPC_WDT->WDTC = s * (float)clk; + LPC_WDT->WDMOD = 0x3; // Enabled and Reset + Service(); +} + +/// "Service", "kick" or "feed" the dog - reset the watchdog timer +/// by writing this required bit pattern +void Watchdog::Service() { + LPC_WDT->WDFEED = 0xAA; + LPC_WDT->WDFEED = 0x55; +} + +/// get the flag to indicate if the watchdog causes the reset +bool Watchdog::WatchdogCausedReset() { + return wdreset; +} + +