MPCNC/Firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix MAX6675 again and introduce set_current_temp_raw()

Browse Source 
to make the temperature-code work again with Arduino 1.0.6.

Sorry could not make an extra block on base level.
This commit is contained in:
AnHardt 2015-03-25 11:08:24 +01:00
parent c2ba5d0c09
commit dd0067afa6
1 changed files with 36 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
Marlin/temperature.cpp
View File

@ -576,6 +576,12 @@ void manage_heater() {
updateTemperaturesFromRawValues();
#ifdef HEATER_0_USES_MAX6675
float ct = current_temperature[0];
if (ct > min(HEATER_0_MAXTEMP, 1023)) max_temp_error(0);
if (ct < max(HEATER_0_MINTEMP, 0.01)) min_temp_error(0);
#endif //HEATER_0_USES_MAX6675
unsigned long ms = millis();
// Loop through all extruders
@ -1162,20 +1168,40 @@ enum TempState {
StartupDelay // Startup, delay initial temp reading a tiny bit so the hardware can settle
};
//
// Timer 0 is shared with millies
//
ISR(TIMER0_COMPB_vect) {
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
#define TEMP_SENSOR_COUNT 2
#else
#define TEMP_SENSOR_COUNT EXTRUDERS
#endif
unsigned long raw_temp_value[TEMP_SENSOR_COUNT] = { 0 };
unsigned long raw_temp_bed_value = 0;
void set_current_temp_raw() {
#ifndef HEATER_0_USES_MAX6675
current_temperature_raw[0] = raw_temp_value[0];
#endif
#if EXTRUDERS > 1
current_temperature_raw[1] = raw_temp_value[1];
#if EXTRUDERS > 2
current_temperature_raw[2] = raw_temp_value[2];
#if EXTRUDERS > 3
current_temperature_raw[3] = raw_temp_value[3];
#endif
#endif
#endif
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
redundant_temperature_raw = raw_temp_value[1];
#endif
current_temperature_bed_raw = raw_temp_bed_value;
}
//
// Timer 0 is shared with millies
//
ISR(TIMER0_COMPB_vect) {
//these variables are only accesible from the ISR, but static, so they don't lose their value
static unsigned char temp_count = 0;
static unsigned long raw_temp_value[TEMP_SENSOR_COUNT] = { 0 };
static unsigned long raw_temp_bed_value = 0;
static TempState temp_state = StartupDelay;
static unsigned char pwm_count = BIT(SOFT_PWM_SCALE);
@ -1478,22 +1504,7 @@ ISR(TIMER0_COMPB_vect) {
if (temp_count >= OVERSAMPLENR) { // 10 * 16 * 1/(16000000/64/256) = 164ms.
if (!temp_meas_ready) { //Only update the raw values if they have been read. Else we could be updating them during reading.
#ifndef HEATER_0_USES_MAX6675
current_temperature_raw[0] = raw_temp_value[0];
#endif
#if EXTRUDERS > 1
current_temperature_raw[1] = raw_temp_value[1];
#if EXTRUDERS > 2
current_temperature_raw[2] = raw_temp_value[2];
#if EXTRUDERS > 3
current_temperature_raw[3] = raw_temp_value[3];
#endif
#endif
#endif
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
redundant_temperature_raw = raw_temp_value[1];
#endif
current_temperature_bed_raw = raw_temp_bed_value;
set_current_temp_raw();
} //!temp_meas_ready
// Filament Sensor - can be read any time since IIR filtering is used
@ -1506,11 +1517,7 @@ ISR(TIMER0_COMPB_vect) {
for (int i = 0; i < TEMP_SENSOR_COUNT; i++) raw_temp_value[i] = 0;
raw_temp_bed_value = 0;
#ifdef HEATER_0_USES_MAX6675
float ct = current_temperature[0];
if (ct > min(HEATER_0_MAXTEMP, 1023)) max_temp_error(0);
if (ct < max(HEATER_0_MINTEMP, 0.01)) min_temp_error(0);
#else
#ifndef HEATER_0_USES_MAX6675
#if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP
#define GE0 <=
#else