bissen21/Marlin_Firmware
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Naming and code comments

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This commit is contained in:
Scott Lahteine
2015-04-13 17:17:36 -07:00
parent c05b347617
commit 09d60e0128
9 changed files with 436 additions and 367 deletions
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140
Marlin/temperature.cpp
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@ -219,7 +219,7 @@ void PID_autotune(float temp, int extruder, int ncycles)
SERIAL_ECHOLN(MSG_PID_AUTOTUNE_START);
disable_heater(); // switch off all heaters.
disable_all_heaters(); // switch off all heaters.
if (extruder < 0)
soft_pwm_bed = bias = d = MAX_BED_POWER / 2;
@ -458,11 +458,11 @@ inline void _temp_error(int e, const char *msg1, const char *msg2) {
}
void max_temp_error(uint8_t e) {
disable_heater();
disable_all_heaters();
_temp_error(e, PSTR(MSG_MAXTEMP_EXTRUDER_OFF), PSTR(MSG_ERR_MAXTEMP));
}
void min_temp_error(uint8_t e) {
disable_heater();
disable_all_heaters();
_temp_error(e, PSTR(MSG_MINTEMP_EXTRUDER_OFF), PSTR(MSG_ERR_MINTEMP));
}
void bed_max_temp_error(void) {
@ -579,6 +579,14 @@ float get_pid_output(int e) {
}
#endif
/**
* Manage heating activities for extruder hot-ends and a heated bed
* - Acquire updated temperature readings
* - Invoke thermal runaway protection
* - Manage extruder auto-fan
* - Apply filament width to the extrusion rate (may move)
* - Update the heated bed PID output value
*/
void manage_heater() {
if (!temp_meas_ready) return;
@ -623,7 +631,7 @@ void manage_heater() {
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
if (fabs(current_temperature[0] - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF) {
disable_heater();
disable_all_heaters();
_temp_error(0, PSTR(MSG_EXTRUDER_SWITCHED_OFF), PSTR(MSG_ERR_REDUNDANT_TEMP));
}
#endif // TEMP_SENSOR_1_AS_REDUNDANT
@ -636,7 +644,22 @@ void manage_heater() {
next_auto_fan_check_ms = ms + 2500;
}
#endif
// Control the extruder rate based on the width sensor
#ifdef FILAMENT_SENSOR
if (filament_sensor) {
meas_shift_index = delay_index1 - meas_delay_cm;
if (meas_shift_index < 0) meas_shift_index += MAX_MEASUREMENT_DELAY + 1; //loop around buffer if needed
// Get the delayed info and add 100 to reconstitute to a percent of
// the nominal filament diameter then square it to get an area
meas_shift_index = constrain(meas_shift_index, 0, MAX_MEASUREMENT_DELAY);
float vm = pow((measurement_delay[meas_shift_index] + 100.0) / 100.0, 2);
if (vm < 0.01) vm = 0.01;
volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM] = vm;
}
#endif //FILAMENT_SENSOR
#ifndef PIDTEMPBED
if (ms < next_bed_check_ms) return;
next_bed_check_ms = ms + BED_CHECK_INTERVAL;
@ -653,16 +676,7 @@ void manage_heater() {
soft_pwm_bed = current_temperature_bed > BED_MINTEMP && current_temperature_bed < BED_MAXTEMP ? (int)pid_output >> 1 : 0;
#elif !defined(BED_LIMIT_SWITCHING)
// Check if temperature is within the correct range
if (current_temperature_bed > BED_MINTEMP && current_temperature_bed < BED_MAXTEMP) {
soft_pwm_bed = current_temperature_bed < target_temperature_bed ? MAX_BED_POWER >> 1 : 0;
}
else {
soft_pwm_bed = 0;
WRITE_HEATER_BED(LOW);
}
#else //#ifdef BED_LIMIT_SWITCHING
#elif defined(BED_LIMIT_SWITCHING)
// Check if temperature is within the correct band
if (current_temperature_bed > BED_MINTEMP && current_temperature_bed < BED_MAXTEMP) {
if (current_temperature_bed >= target_temperature_bed + BED_HYSTERESIS)
@ -674,58 +688,47 @@ void manage_heater() {
soft_pwm_bed = 0;
WRITE_HEATER_BED(LOW);
}
#else // BED_LIMIT_SWITCHING
// Check if temperature is within the correct range
if (current_temperature_bed > BED_MINTEMP && current_temperature_bed < BED_MAXTEMP) {
soft_pwm_bed = current_temperature_bed < target_temperature_bed ? MAX_BED_POWER >> 1 : 0;
}
else {
soft_pwm_bed = 0;
WRITE_HEATER_BED(LOW);
}
#endif
#endif //TEMP_SENSOR_BED != 0
// Control the extruder rate based on the width sensor
#ifdef FILAMENT_SENSOR
if (filament_sensor) {
meas_shift_index = delay_index1 - meas_delay_cm;
if (meas_shift_index < 0) meas_shift_index += MAX_MEASUREMENT_DELAY + 1; //loop around buffer if needed
// Get the delayed info and add 100 to reconstitute to a percent of
// the nominal filament diameter then square it to get an area
meas_shift_index = constrain(meas_shift_index, 0, MAX_MEASUREMENT_DELAY);
float vm = pow((measurement_delay[meas_shift_index] + 100.0) / 100.0, 2);
if (vm < 0.01) vm = 0.01;
volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM] = vm;
}
#endif //FILAMENT_SENSOR
}
#define PGM_RD_W(x) (short)pgm_read_word(&x)
// Derived from RepRap FiveD extruder::getTemperature()
// For hot end temperature measurement.
static float analog2temp(int raw, uint8_t e) {
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
if (e > EXTRUDERS)
#else
if (e >= EXTRUDERS)
#endif
{
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
if (e > EXTRUDERS)
#else
if (e >= EXTRUDERS)
#endif
{
SERIAL_ERROR_START;
SERIAL_ERROR((int)e);
SERIAL_ERRORLNPGM(MSG_INVALID_EXTRUDER_NUM);
kill();
return 0.0;
}
}
#ifdef HEATER_0_USES_MAX6675
if (e == 0)
{
return 0.25 * raw;
}
if (e == 0) return 0.25 * raw;
#endif
if(heater_ttbl_map[e] != NULL)
{
if (heater_ttbl_map[e] != NULL) {
float celsius = 0;
uint8_t i;
short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
for (i=1; i<heater_ttbllen_map[e]; i++)
{
if (PGM_RD_W((*tt)[i][0]) > raw)
{
for (i = 1; i < heater_ttbllen_map[e]; i++) {
if (PGM_RD_W((*tt)[i][0]) > raw) {
celsius = PGM_RD_W((*tt)[i-1][1]) +
(raw - PGM_RD_W((*tt)[i-1][0])) *
(float)(PGM_RD_W((*tt)[i][1]) - PGM_RD_W((*tt)[i-1][1])) /
@ -749,10 +752,8 @@ static float analog2tempBed(int raw) {
float celsius = 0;
byte i;
for (i=1; i<BEDTEMPTABLE_LEN; i++)
{
if (PGM_RD_W(BEDTEMPTABLE[i][0]) > raw)
{
for (i = 1; i < BEDTEMPTABLE_LEN; i++) {
if (PGM_RD_W(BEDTEMPTABLE[i][0]) > raw) {
celsius = PGM_RD_W(BEDTEMPTABLE[i-1][1]) +
(raw - PGM_RD_W(BEDTEMPTABLE[i-1][0])) *
(float)(PGM_RD_W(BEDTEMPTABLE[i][1]) - PGM_RD_W(BEDTEMPTABLE[i-1][1])) /
@ -816,11 +817,11 @@ static void updateTemperaturesFromRawValues() {
#endif
void tp_init()
{
/**
* Initialize the temperature manager
* The manager is implemented by periodic calls to manage_heater()
*/
void tp_init() {
#if MB(RUMBA) && ((TEMP_SENSOR_0==-1)||(TEMP_SENSOR_1==-1)||(TEMP_SENSOR_2==-1)||(TEMP_SENSOR_BED==-1))
//disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
MCUCR=BIT(JTD);
@ -1059,7 +1060,7 @@ void setWatch() {
SERIAL_ERRORLNPGM(MSG_THERMAL_RUNAWAY_STOP);
if (heater_id < 0) SERIAL_ERRORLNPGM("bed"); else SERIAL_ERRORLN(heater_id);
LCD_ALERTMESSAGEPGM(MSG_THERMAL_RUNAWAY);
disable_heater();
disable_all_heaters();
disable_all_steppers();
for (;;) {
manage_heater();
@ -1070,7 +1071,7 @@ void setWatch() {
#endif // HAS_HEATER_THERMAL_PROTECTION || HAS_BED_THERMAL_PROTECTION
void disable_heater() {
void disable_all_heaters() {
for (int i=0; i<EXTRUDERS; i++) setTargetHotend(0, i);
setTargetBed(0);
@ -1208,11 +1209,15 @@ static void set_current_temp_raw() {
temp_meas_ready = true;
}
//
// Timer 0 is shared with millies
//
/**
* Timer 0 is shared with millies
* - Manage PWM to all the heaters and fan
* - Update the raw temperature values
* - Check new temperature values for MIN/MAX errors
* - Step the babysteps value for each axis towards 0
*/
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 TempState temp_state = StartupDelay;
static unsigned char pwm_count = BIT(SOFT_PWM_SCALE);
@ -1414,6 +1419,7 @@ ISR(TIMER0_COMPB_vect) {
#define START_ADC(pin) ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
#endif
// Prepare or measure a sensor, each one every 12th frame
switch(temp_state) {
case PrepareTemp_0:
#if HAS_TEMP_0
@ -1582,16 +1588,16 @@ ISR(TIMER0_COMPB_vect) {
} // temp_count >= OVERSAMPLENR
#ifdef BABYSTEPPING
for (uint8_t axis=X_AXIS; axis<=Z_AXIS; axis++) {
int curTodo=babystepsTodo[axis]; //get rid of volatile for performance
for (uint8_t axis = X_AXIS; axis <= Z_AXIS; axis++) {
int curTodo = babystepsTodo[axis]; //get rid of volatile for performance
if (curTodo > 0) {
babystep(axis,/*fwd*/true);
babystepsTodo[axis]--; //less to do next time
babystepsTodo[axis]--; //fewer to do next time
}
else if(curTodo < 0) {
else if (curTodo < 0) {
babystep(axis,/*fwd*/false);
babystepsTodo[axis]++; //less to do next time
babystepsTodo[axis]++; //fewer to do next time
}
}
#endif //BABYSTEPPING