X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Fwdt.h;h=1db1053841b438c81e3490e74d43bc16caf8983b;hb=2535cb94ec2183791128f8bbd109ca69a960cf78;hp=617cc0b9945dfa25dd6a000d94ff9b0ee27dc69b;hpb=db65f1b46869eaae3045d48c8c1af9146355afb4;p=bertos.git diff --git a/drv/wdt.h b/drv/wdt.h old mode 100755 new mode 100644 index 617cc0b9..1db10538 --- a/drv/wdt.h +++ b/drv/wdt.h @@ -1,8 +1,33 @@ -/*! +/** * \file * * * \version $Id$ @@ -12,60 +37,130 @@ * \brief Watchdog interface */ -/*#* - *#* $Log$ - *#* Revision 1.1 2004/10/26 08:34:47 bernie - *#* New DevLib module. - *#* - *#*/ #ifndef DRV_WDT_H #define DRV_WDT_H -#include -#include -#include -#include // BV() +#include +#include // INLINE +#include + +/* Configury sanity check */ +#if !defined(CONFIG_WATCHDOG) || (CONFIG_WATCHDOG != 0 && CONFIG_WATCHDOG != 1) + #error CONFIG_WATCHDOG must be defined to either 0 or 1 +#endif -/*! +#if CONFIG_WATCHDOG + #include + #include + + #if OS_QT + #if _QT < 4 + #include + #else + #include + #endif + #elif OS_POSIX + #include + #elif CPU_AVR + #include + #include // BV() + #if CPU_AVR_ATMEGA1281 // Name is different in atmega1281 + #define WDTCR WDTCSR + #endif + #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS) + #include /* taskYIELD() */ + #else + #error unknown CPU + #endif +#endif /* CONFIG_WATCHDOG */ + +/** * Reset the watchdog timer. */ INLINE void wdt_reset(void) { - __asm__ __volatile__ ("wdr"); +#if CONFIG_WATCHDOG + #if OS_QT + // Let Qt handle events + ASSERT(qApp); + qApp->processEvents(); + #elif OS_POSIX + static struct timeval tv = { 0, 0 }; + select(0, NULL, NULL, NULL, &tv); + #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS) + vTaskDelay(1); + #elif CPU_AVR + __asm__ __volatile__ ("wdr"); + #else + #error unknown CPU + #endif +#endif /* CONFIG_WATCHDOG */ } -/*! +/** * Set watchdog timer timeout. * * \param timeout 0: 16.3ms, 7: 2.1s */ INLINE void wdt_init(uint8_t timeout) { -#if CPU_AVR - WDTCR |= BV(WDCE) | BV(WDE); - WDTCR = timeout; +#if CONFIG_WATCHDOG + #if OS_QT + // Create a dummy QApplication object + if (!qApp) + { + int argc; + new QApplication(argc, (char **)NULL); + } + (void)timeout; + #elif OS_POSIX + (void)timeout; // NOP + #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS) + /* nop */ + #elif CPU_AVR + WDTCR |= BV(WDCE) | BV(WDE); + WDTCR = timeout; + #else + #error unknown CPU + #endif #else - #error unknown CPU -#endif + (void)timeout; +#endif /* CONFIG_WATCHDOG */ } INLINE void wdt_start(void) { -#if CPU_AVR - WDTCR |= BV(WDE); -#else - #error unknown CPU -#endif +#if CONFIG_WATCHDOG + #if OS_QT + // NOP + #elif OS_POSIX + // NOP + #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS) + /* nop */ + #elif CPU_AVR + WDTCR |= BV(WDE); + #else + #error unknown CPU + #endif +#endif /* CONFIG_WATCHDOG */ } INLINE void wdt_stop(void) { -#if CPU_AVR - WDTCR |= BV(WDCE) | BV(WDE); - WDTCR &= ~BV(WDE); -#else - #error unknown CPU -#endif +#if CONFIG_WATCHDOG + #if OS_QT + // NOP + #elif OS_POSIX + // NOP + #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS) + /* nop */ + #elif CPU_AVR + WDTCR |= BV(WDCE) | BV(WDE); + WDTCR &= ~BV(WDE); + #else + #error unknown CPU + #endif +#endif /* CONFIG_WATCHDOG */ } #endif /* DRV_WDT_H */