watchdog into dedicated file

This commit is contained in:
Bernhard Kubicek 2011-11-06 14:22:15 +01:00
parent 2afb7bd4cf
commit e8092898b1
4 changed files with 73 additions and 55 deletions

View file

@ -78,5 +78,19 @@ void enquecommand(const char *cmd);
extern float homing_feedrate[]; extern float homing_feedrate[];
extern bool axis_relative_modes[]; extern bool axis_relative_modes[];
void wd_reset() ;
inline void kill()
{
disable_heater();
disable_x();
disable_y();
disable_z();
disable_e();
if(PS_ON_PIN > -1) pinMode(PS_ON_PIN,INPUT);
Serial.println("!! Printer halted. kill() called !!");
while(1); // Wait for reset
}
#endif #endif

View file

@ -1263,63 +1263,9 @@ void prepare_arc_move(char isclockwise) {
} }
} }
#ifdef USE_WATCHDOG
#include <avr/wdt.h>
#include <avr/interrupt.h>
volatile uint8_t timeout_seconds=0;
void(* ctrlaltdelete) (void) = 0;
ISR(WDT_vect) { //Watchdog timer interrupt, called if main program blocks >1sec
if(timeout_seconds++ >= WATCHDOG_TIMEOUT)
{
kill();
#ifdef RESET_MANUAL
LCD_MESSAGE("Please Reset!");
ECHOLN("echo_: Something is wrong, please turn off the printer.");
#else
LCD_MESSAGE("Timeout, resetting!");
#endif
//disable watchdog, it will survife reboot.
WDTCSR |= (1<<WDCE) | (1<<WDE);
WDTCSR = 0;
#ifdef RESET_MANUAL
while(1); //wait for user or serial reset
#else
ctrlaltdelete();
#endif
}
}
/// intialise watch dog with a 1 sec interrupt time
void wd_init() {
WDTCSR = (1<<WDCE )|(1<<WDE ); //allow changes
WDTCSR = (1<<WDIF)|(1<<WDIE)| (1<<WDCE )|(1<<WDE )| (1<<WDP2 )|(1<<WDP1)|(0<<WDP0);
}
/// reset watchdog. MUST be called every 1s after init or avr will reset.
void wd_reset() {
wdt_reset();
timeout_seconds=0; //reset counter for resets
}
#endif /* USE_WATCHDOG */
inline void kill()
{
disable_heater();
disable_x();
disable_y();
disable_z();
disable_e();
if(PS_ON_PIN > -1) pinMode(PS_ON_PIN,INPUT);
Serial.println("!! Printer halted. kill() called !!");
while(1); // Wait for reset
}
void manage_inactivity(byte debug) { void manage_inactivity(byte debug) {
if( (millis()-previous_millis_cmd) > max_inactive_time ) if(max_inactive_time) kill(); if( (millis()-previous_millis_cmd) > max_inactive_time ) if(max_inactive_time) kill();

48
watchdog.cpp Normal file
View file

@ -0,0 +1,48 @@
#ifdef USE_WATCHDOG
#include <avr/wdt.h>
#include <avr/interrupt.h>
volatile uint8_t timeout_seconds=0;
void(* ctrlaltdelete) (void) = 0; //does not work on my atmega2560
//Watchdog timer interrupt, called if main program blocks >1sec
ISR(WDT_vect)
{
if(timeout_seconds++ >= WATCHDOG_TIMEOUT)
{
#ifdef RESET_MANUAL
LCD_MESSAGE("Please Reset!");
ECHOLN("echo_: Something is wrong, please turn off the printer.");
#else
LCD_MESSAGE("Timeout, resetting!");
#endif
//disable watchdog, it will survife reboot.
WDTCSR |= (1<<WDCE) | (1<<WDE);
WDTCSR = 0;
#ifdef RESET_MANUAL
kill(); //kill blocks
while(1); //wait for user or serial reset
#else
ctrlaltdelete();
#endif
}
}
/// intialise watch dog with a 1 sec interrupt time
void wd_init()
{
WDTCSR = (1<<WDCE )|(1<<WDE ); //allow changes
WDTCSR = (1<<WDIF)|(1<<WDIE)| (1<<WDCE )|(1<<WDE )| (1<<WDP2 )|(1<<WDP1)|(0<<WDP0);
}
/// reset watchdog. MUST be called every 1s after init or avr will reset.
void wd_reset()
{
wdt_reset();
timeout_seconds=0; //reset counter for resets
}
#endif /* USE_WATCHDOG */

10
watchdog.h Normal file
View file

@ -0,0 +1,10 @@
#ifndef __WATCHDOGH
#define __WATCHDOGH
#ifdef
/// intialise watch dog with a 1 sec interrupt time
void wd_init();
/// pad the dog/reset watchdog. MUST be called at least every second after the first wd_init or avr will go into emergency procedures..
void wd_reset();
#endif