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337 lines
11 KiB
337 lines
11 KiB
//
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// Created by MightyPork on 2022/08/20.
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//
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#include <esp_log.h>
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#include "fancontrol.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/timers.h"
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#include "settings.h"
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#include "actuators.h"
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#include "onewires.h"
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#include "tasks.h"
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const char *TAG = "fc";
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#define UNIDIR_T_MEAS_PERIOD 15 /* s */
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struct FanControlState gState = {};
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static void timerCallback();
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static void invalidate_temps();
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void settings_blind_time_set(uint16_t blind_time)
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{
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// if the blind is surely at the end
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bool nadoraz = (gState.blind_position >= gSettings.blind_time) || (gState.blind_position >= blind_time);
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gSettings.blind_time = blind_time;
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if (nadoraz) {
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gState.blind_position = blind_time;
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}
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settings_persist(SETTINGS_blind_time);
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}
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static void fanctltask(void *dummy) {
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TickType_t last_wake_time = xTaskGetTickCount();
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bool statusled = 0;
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while (1) {
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act_statusled_set(statusled);
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statusled ^= 1;
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//
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timerCallback();
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vTaskDelayUntil(&last_wake_time, pdMS_TO_TICKS(1000));
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gState.uptime_secs += 1;
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if (gState.uptime_secs >= 3600) {
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gState.uptime_secs = 0;
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gState.uptime_hours += 1;
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}
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if ((gState.effective_vent_mode & 6) != 0) {
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gState.motor_secs += 1;
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if (gState.motor_secs >= 3600) {
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gState.motor_secs = 0;
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gState.motor_hours += 1;
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}
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}
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}
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}
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void fancontrol_init()
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{
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gState.set_vent_mode = gSettings.initial_mode;
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gState.set_power = gSettings.initial_power;
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// this doesnt work
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// TimerHandle_t hTimer = xTimerCreate("fanctl",
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// pdMS_TO_TICKS(1000),
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// pdTRUE,
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// NULL,
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// timerCallback);
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//
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// xTimerStart(hTimer, pdMS_TO_TICKS(2000));
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xTaskCreate(fanctltask, "fc", FCTL_TASK_STACK, NULL, FCTL_TASK_PRIO, NULL);
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}
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static const char * vent_mode_labels[] = {
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[VENT_MODE_OFF] = "OFF",
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[VENT_MODE_FREE] = "FREE",
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[VENT_MODE_OUT] = "OUT",
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[VENT_MODE_IN] = "IN",
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[VENT_MODE_RECUP] = "RECUP",
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};
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static const char * recup_mode_labels[] = {
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[RECUP_MODE_TIME] = "TIME",
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[RECUP_MODE_TEMP] = "TEMP",
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};
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static void timerCallback()
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{
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// posun rolety
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if (gAct.blind) {
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if (gState.blind_position < gSettings.blind_time) {
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gState.blind_position++;
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}
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} else {
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if (gState.blind_position > 0) {
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gState.blind_position--;
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}
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}
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if (gAct.power > 0) {
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if (gState.real_direction != gAct.dir) {
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if (gState.ramp > 0) {
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gState.ramp--;
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} else {
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gState.run_time = 0;
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gState.real_direction = gAct.dir;
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}
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} else {
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if (gState.ramp < gSettings.ramp_time) {
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gState.ramp++;
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}
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}
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gState.run_time++;
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} else {
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if (gState.ramp > 0) {
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gState.ramp--;
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} else {
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gState.run_time = 0;
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}
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}
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bool end_temp_meas = false;
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switch (gState.effective_vent_mode) {
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case VENT_MODE_OFF:
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act_motor_power_set(0);
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act_blind_set(0);
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break;
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case VENT_MODE_FREE:
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act_motor_power_set(0);
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act_blind_set(1);
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break;
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case VENT_MODE_OUT:
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act_motor_direction_set(MOTOR_DIR_OUT);
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act_blind_set(1);
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if (gState.blind_position >= gSettings.blind_time) {
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act_motor_power_set(gState.set_power);
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}
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if (gState.ramp >= gSettings.ramp_time * 2) {
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end_temp_meas = true;
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}
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break;
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case VENT_MODE_IN:
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act_motor_direction_set(MOTOR_DIR_IN);
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act_blind_set(1);
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if (gState.blind_position >= gSettings.blind_time) {
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act_motor_power_set(gState.set_power);
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}
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if (gState.ramp >= gSettings.ramp_time * 2) {
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end_temp_meas = true;
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}
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break;
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case VENT_MODE_RECUP:
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act_blind_set(1);
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if (gState.blind_position >= gSettings.blind_time) {
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act_motor_power_set(gState.set_power);
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if (gState.real_direction == gAct.dir && gState.run_time >= gSettings.min_recup_time) {
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// Stop condition
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bool do_switch = false;
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// TODO questionable logic, verify
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if (gSettings.recup_mode == RECUP_MODE_TIME) {
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do_switch = gState.run_time >= gSettings.recup_time;
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} else if (gState.run_time >= gSettings.max_recup_time) {
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do_switch = true;
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} else {
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// temp-based switching - magic(tm)
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// Delta = IN - OUT
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const int16_t ideal_delta = gState.t_indoor - gState.t_outdoor;
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int16_t stop_delta = ((int32_t) ideal_delta
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* (int32_t) (100 - gSettings.recup_factor)) / 100;
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int16_t delta = 0;
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bool allow_temp_switch = false;
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if (gState.real_direction == MOTOR_DIR_OUT) {
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if (gState.valid_t_indoor && gState.valid_t_exhaust && gState.valid_t_outdoor) {
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delta = gState.t_indoor - gState.t_exhaust;
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allow_temp_switch = true;
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}
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} else {
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// IN
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if (gState.valid_t_inflow && gState.valid_t_indoor && gState.valid_t_outdoor) {
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delta = gState.t_inflow - gState.t_outdoor;
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allow_temp_switch = true;
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}
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}
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ESP_LOGI(TAG, "Delta now %d, max %d, stop %d (RF %d%%), allow_switch %d Cx10", delta, ideal_delta, stop_delta, gSettings.recup_factor, allow_temp_switch);
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if (allow_temp_switch) {
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if (gSettings.summer_mode) {
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if (ideal_delta < 0) {
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// warmer outside, trying to keep cool in
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if (delta >= stop_delta) {
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do_switch = true;
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}
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}
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// colder outside - no stopping (will run to max recup time)
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} else {
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if (ideal_delta > 0) {
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// colder outside, trying to keep warmth in
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if (delta <= stop_delta) {
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do_switch = true;
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}
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}
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// warmer outside - no stopping (will run to max recup time)
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}
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}
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}
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if (do_switch) {
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// zmena smeru
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if (gAct.dir == MOTOR_DIR_IN) {
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gState.real_recup_time_in = gState.run_time;
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} else {
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gState.real_recup_time_out = gState.run_time;
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}
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gState.run_time = 0;
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act_motor_direction_set(1 - gAct.dir);
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end_temp_meas = true;
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}
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}
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}
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break;
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}
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if (gState.effective_vent_mode == VENT_MODE_RECUP) {
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if (gState.real_direction == MOTOR_DIR_OUT) {
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gState.instantaneous_vent_mode = VENT_MODE_OUT;
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} else {
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gState.instantaneous_vent_mode = VENT_MODE_IN;
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}
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} else {
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gState.instantaneous_vent_mode = gState.effective_vent_mode;
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}
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// Measure temperatures
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int16_t t1 = act_temp1();
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int16_t t2 = act_temp2();
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gState.t_actual_in = t1;
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gState.t_actual_out = t2;
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gState.valid_t_actual_in = gState.valid_t_actual_out = tempSensorsOk;
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if (end_temp_meas) {
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switch (gState.real_direction) {
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case MOTOR_DIR_IN:
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gState.t_outdoor = gState.t_actual_out;
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gState.t_inflow = gState.t_actual_in;
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gState.valid_t_outdoor = gState.valid_t_inflow = true;
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if (gState.effective_vent_mode == VENT_MODE_IN) {
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gState.valid_t_indoor = gState.valid_t_exhaust = false;
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}
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break;
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case MOTOR_DIR_OUT:
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gState.t_indoor = gState.t_actual_in;
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gState.t_exhaust = gState.t_actual_out;
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gState.valid_t_indoor = gState.valid_t_exhaust = true;
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if (gState.effective_vent_mode == VENT_MODE_OUT) {
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gState.valid_t_outdoor = gState.valid_t_inflow = false;
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}
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break;
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}
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}
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ESP_LOGI(TAG,
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"%s (ef %s, inst %s), rt %ds %d%%m, Tid %d%s, Tod %d%s, Tit %d%s, Teh %d%s, T1 %d%s, T2 %d%s Cx10",
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vent_mode_labels[gState.set_vent_mode], vent_mode_labels[gState.effective_vent_mode], vent_mode_labels[gState.instantaneous_vent_mode],
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gState.run_time,
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gAct.power,
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gState.t_indoor,
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gState.valid_t_indoor ? "" : "!",
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gState.t_outdoor,
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gState.valid_t_outdoor ? "" : "!",
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gState.t_inflow,
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gState.valid_t_inflow ? "" : "!",
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gState.t_exhaust,
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gState.valid_t_exhaust ? "" : "!",
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gState.t_actual_in,
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gState.valid_t_actual_in ? "" : "!",
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gState.t_actual_out,
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gState.valid_t_actual_out ? "" : "!"
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);
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}
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void fan_set_vent_mode(enum ventilation_mode mode)
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{
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ESP_LOGI(TAG, "Set vent mode = %d", mode);
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if (mode == gState.set_vent_mode) {
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return;
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}
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gState.set_vent_mode = mode;
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if (gState.set_power != 0 || mode == VENT_MODE_FREE) {
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gState.effective_vent_mode = mode;
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} else if (gState.set_power == 0) {
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gState.effective_vent_mode = VENT_MODE_OFF;
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}
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if (mode == VENT_MODE_OFF || mode == VENT_MODE_FREE) {
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invalidate_temps();
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}
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}
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static void invalidate_temps()
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{
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gState.valid_t_indoor = false;
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gState.valid_t_outdoor = false;
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gState.valid_t_inflow = false;
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gState.valid_t_exhaust = false;
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gState.valid_t_actual_in = false;
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gState.valid_t_actual_out = false;
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}
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void fan_set_power(uint16_t power)
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{
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ESP_LOGI(TAG, "Set power = %d%%", power);
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gState.set_power = power;
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if (power == 0) {
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gState.effective_vent_mode = VENT_MODE_OFF;
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invalidate_temps();
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} else {
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gState.effective_vent_mode = gState.set_vent_mode;
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}
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}
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