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/*
* Xytronic LF-1600
* Current calibration helper routines
*
* Copyright (c) 2015 Michael Buesch <m@bues.ch>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "calib_current.h"
#include "controller_temp.h"
#include "controller_current.h"
#include "measure_current.h"
#include "debug_uart.h"
#define CALCURR_TEMP_HI 250.0
#define CALCURR_TEMP_LO 75.0
struct calcurr_context {
bool enabled;
uint8_t pwm_percent;
bool heating_up;
};
static struct calcurr_context calcurr;
static void calcurr_set_percent(uint8_t percent)
{
calcurr.pwm_percent = percent;
debug_print_int16(PSTR("cc"), percent);
}
void calcurr_work(void)
{
fixpt_t temp_r;
if (!calcurr.enabled)
return;
temp_r = contrtemp_get_feedback();
if (calcurr.heating_up) {
if (temp_r >= float_to_fixpt(CALCURR_TEMP_HI)) {
calcurr.heating_up = false;
if (calcurr.pwm_percent >= 100) {
calcurr_set_enabled(false);
} else {
calcurr_set_percent((uint8_t)(calcurr.pwm_percent + 10));
contrcurr_set_enabled(false, 0);
}
}
} else {
if (temp_r <= float_to_fixpt(CALCURR_TEMP_LO)) {
calcurr.heating_up = true;
meascurr_filter_reset();
contrcurr_set_enabled(false, calcurr.pwm_percent);
}
}
}
bool calcurr_is_enabled(void)
{
return calcurr.enabled;
}
void calcurr_set_enabled(bool enable)
{
calcurr.enabled = enable;
calcurr.heating_up = false;
contrtemp_set_enabled(!enable);
contrcurr_set_enabled(!enable, 0);
debug_enable(enable);
if (enable)
calcurr_set_percent(10);
}
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