Monitor for central heating system (e.g. 2zones+hw) Supports up to 15 temp probes (DS18B20/DS18S20) 3 valve monitors Gas pulse meter recording Use stand-alone or with nodeEnergyServer See http://robdobson.com/2015/09/central-heating-monitor
Dependencies: EthernetInterfacePlusHostname NTPClient Onewire RdWebServer SDFileSystem-RTOS mbed-rtos mbed-src
Watchdog.h@19:0367cb46d003, 2015-10-05 (annotated)
- Committer:
- Bobty
- Date:
- Mon Oct 05 14:05:33 2015 +0000
- Revision:
- 19:0367cb46d003
- Parent:
- 12:a52996515063
Added retries on getting addresses from thermometers; Doubled up on non-volatile storage of latest gas count
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Bobty | 12:a52996515063 | 1 | #ifndef __WATCHDOG__H |
Bobty | 12:a52996515063 | 2 | #define __WATCHDOG__H |
Bobty | 12:a52996515063 | 3 | #include "mbed.h" |
Bobty | 12:a52996515063 | 4 | |
Bobty | 12:a52996515063 | 5 | // Simon's Watchdog code from |
Bobty | 12:a52996515063 | 6 | // http://mbed.org/forum/mbed/topic/508/ |
Bobty | 12:a52996515063 | 7 | class Watchdog |
Bobty | 12:a52996515063 | 8 | { |
Bobty | 12:a52996515063 | 9 | public: |
Bobty | 12:a52996515063 | 10 | // Load timeout value in watchdog timer and enable |
Bobty | 12:a52996515063 | 11 | void SetTimeoutSecs(float s) |
Bobty | 12:a52996515063 | 12 | { |
Bobty | 12:a52996515063 | 13 | LPC_WDT->WDCLKSEL = 0x1; // Set CLK src to PCLK |
Bobty | 12:a52996515063 | 14 | uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4 |
Bobty | 12:a52996515063 | 15 | LPC_WDT->WDTC = s * (float)clk; |
Bobty | 12:a52996515063 | 16 | LPC_WDT->WDMOD = 0x3; // Enabled and Reset |
Bobty | 12:a52996515063 | 17 | Feed(); |
Bobty | 12:a52996515063 | 18 | } |
Bobty | 12:a52996515063 | 19 | // "kick" or "feed" the dog - reset the watchdog timer |
Bobty | 12:a52996515063 | 20 | // by writing this required bit pattern |
Bobty | 12:a52996515063 | 21 | void Feed() |
Bobty | 12:a52996515063 | 22 | { |
Bobty | 19:0367cb46d003 | 23 | __disable_irq(); |
Bobty | 12:a52996515063 | 24 | LPC_WDT->WDFEED = 0xAA; |
Bobty | 12:a52996515063 | 25 | LPC_WDT->WDFEED = 0x55; |
Bobty | 19:0367cb46d003 | 26 | __enable_irq(); |
Bobty | 12:a52996515063 | 27 | } |
Bobty | 12:a52996515063 | 28 | |
Bobty | 12:a52996515063 | 29 | bool WatchdogCausedRestart() |
Bobty | 12:a52996515063 | 30 | { |
Bobty | 12:a52996515063 | 31 | if ((LPC_WDT->WDMOD >> 2) & 1) |
Bobty | 12:a52996515063 | 32 | return true; |
Bobty | 12:a52996515063 | 33 | return false; |
Bobty | 12:a52996515063 | 34 | } |
Bobty | 12:a52996515063 | 35 | }; |
Bobty | 12:a52996515063 | 36 | |
Bobty | 12:a52996515063 | 37 | #endif |