Tomonori Kuroki
/
MuWatchdog
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Fork of
Watchdog
by 
David Smart
Diff: Watchdog.cpp
- Revision:
- 22:3c7ea2ad3a85
- Parent:
- 21:dc589c475a04
- Child:
- 23:09d59b812661
diff -r dc589c475a04 -r 3c7ea2ad3a85 Watchdog.cpp
--- a/Watchdog.cpp Wed Mar 21 16:21:40 2018 +0000
+++ b/Watchdog.cpp Wed Mar 21 16:27:44 2018 +0000
@@ -121,6 +121,7 @@
uint32_t Watchdog::get_wdtclock()
{
+#if 0
uint32_t wdt_osc = 0;
/* Determine clock frequency according to clock register values */
@@ -143,6 +144,29 @@
case 14: wdt_osc = 4400000; break;
case 15: wdt_osc = 4600000; break;
}
+#else
+ const uint32_t osctab[16] =
+ {
+ 0, // 0
+ 600000, // 1
+ 1050000, // 2
+ 1400000, // 3
+ 1750000, // 4
+ 2100000, // 5
+ 2400000, // 6
+ 2700000, // 7
+ 3000000, // 8
+ 3250000, // 9
+ 3500000, // 10
+ 3750000, // 11
+ 4000000, // 12
+ 4200000, // 13
+ 4400000, // 14
+ 4600000 // 15
+ };
+#endif
+ uint32_t wdt_osc = osctab[(LPC_SYSCON->WDTOSCCTRL >> 5) & 0x0F];
+
// wdt_osc /= ((LPC_SYSCON->WDTOSCCTRL & 0x1F) << 1) + 2;
return wdt_osc;
}