221 lines
5.2 KiB
C
221 lines
5.2 KiB
C
/*
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* display.c
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*
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* Created on: May 31, 2017
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* Author: wn
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*/
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#include <hmi.h>
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#include "stm32f1xx_hal.h"
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#include "alarm.h"
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#include <PontCoopScheduler.h>
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#include "oled.h"
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#include "eeprom.h"
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#include "thermometer.h"
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const uint8_t COLD_COUNT_THRESHOLD = 40;
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const char THERMOMETER_STATE_MARKS[TE_LAST] = {'I', 'H', 'C', 'C', 'C', 'B'};
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volatile tDisplay display = {
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.toggle = 0, .setModeTemperature = 0, .setModeTime = 0,
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.timerState = TT_IDLE,
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.thermometerEngineState = TE_IDLE,
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.setState = TS_IDLE,
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.targetTemperature = 80, .currentTemperature = 75,
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.targetTime = 120, .currentTime = 0,
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.overrunTime = 0,
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.operatingTime = 0
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};
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void updateDisplay(void *handle) {
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tDisplay *lDisplay = (tDisplay*) handle;
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lDisplay->toggle ^= 0x01;
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char buf[32];
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if (lDisplay->setModeTemperature && lDisplay->toggle) {
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sprintf(buf, " %3d'C", lDisplay->currentTemperature);
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} else {
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sprintf(buf, "%3d'C %3d'C", lDisplay->targetTemperature, lDisplay->currentTemperature);
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}
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LED_P8x16Str(0, 0, buf);
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if (lDisplay->setModeTime && lDisplay->toggle) {
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sprintf(buf, " %3ds", lDisplay->currentTime);
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} else {
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sprintf(buf, "%3ds %3ds", lDisplay->targetTime, lDisplay->currentTime);
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}
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LED_P8x16Str(0, 2, buf);
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sprintf(buf, "%c %5ds", THERMOMETER_STATE_MARKS[lDisplay->thermometerEngineState], lDisplay->overrunTime);
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// static uint32_t h = 0;
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// static uint32_t c = 0;
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// uint32_t i = HAL_GetTick();
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// sprintf(buf, "%d %d %d", c, i, i-h);
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// h = i;
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// c++;
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LED_P8x16Str(0, 4, buf);
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sprintf(buf, "%d", lDisplay->operatingTime);
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LED_P8x16Str(0, 6, buf);
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}
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void thermometerEngine(void *handle) {
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tDisplay *lDisplay = (tDisplay*) handle;
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lDisplay->currentTemperature = thermometerGetValue();
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switch (lDisplay->thermometerEngineState) {
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case TE_IDLE:
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if (lDisplay->currentTemperature > lDisplay->targetTemperature) {
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lDisplay->thermometerEngineState = TE_HOT;
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lDisplay->coldCount = 0;
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}
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break;
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case TE_HOT:
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if (lDisplay->currentTemperature <= lDisplay->targetTemperature) {
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lDisplay->coldCount += 1;
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}
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if (lDisplay->coldCount >= COLD_COUNT_THRESHOLD) {
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lDisplay->thermometerEngineState = TE_COLD;
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}
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break;
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case TE_COLD:
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enableAlarm(TEMPERATURE_ALARM);
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lDisplay->thermometerEngineState = TE_UNCONFIRMED;
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break;
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case TE_UNCONFIRMED:
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break;
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case TE_CONFIRMED:
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disableAlarm();
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lDisplay->thermometerEngineState = TE_BLOCKED;
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break;
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case TE_BLOCKED:
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break;
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default:
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lDisplay->thermometerEngineState = TE_IDLE;
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}
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}
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static void thermometerEngineConfirmAlarmOrBlock() {
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if (display.thermometerEngineState == TE_UNCONFIRMED) {
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display.thermometerEngineState = TE_CONFIRMED;
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} else {
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display.thermometerEngineState = TE_BLOCKED;
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}
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}
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static void thermometerEngineUnblock() {
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display.thermometerEngineState = TE_IDLE;
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}
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void hmiInit() {
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if (! eepromReadStorage()) {
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eepromWriteStorage();
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}
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schAdd(thermometerEngine, &display, 0, 250);
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schAdd(updateDisplay, &display, 10, 250);
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}
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void clearSetMode(void *handle) {
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tDisplay *lDisplay = (tDisplay*) handle;
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lDisplay->setModeTemperature = 0;
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lDisplay->setModeTime = 0;
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lDisplay->setState = TS_SET_TEMPERATURE;
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}
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static void disableSetModeTimer() {
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schDel(clearSetMode, (void*)&display);
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}
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static void reEnableSetModeTimer() {
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schDel(clearSetMode, (void*)&display);
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schAdd(clearSetMode, (void*)&display, 10000, 0);
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}
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static void toggleSetMode() {
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switch (display.setState) {
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default:
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case TS_IDLE:
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disableSetModeTimer();
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display.setModeTemperature = 0;
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display.setModeTime = 0;
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display.setState = TS_SET_TEMPERATURE;
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break;
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case TS_SET_TEMPERATURE:
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reEnableSetModeTimer();
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display.setModeTemperature = 1;
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display.setModeTime = 0;
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display.setState = TS_SET_TIME;
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break;
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case TS_SET_TIME:
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reEnableSetModeTimer();
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display.setModeTemperature = 0;
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display.setModeTime = 1;
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display.setState = TS_IDLE;
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break;
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}
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}
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void displayIncValue() {
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if (display.setModeTemperature == 1) {
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reEnableSetModeTimer();
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if (display.targetTemperature < 100) {
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display.targetTemperature++;
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eepromWriteStorage();
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}
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}
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if (display.setModeTime == 1) {
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reEnableSetModeTimer();
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if (display.targetTime < 999) {
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display.targetTime += 10;
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eepromWriteStorage();
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}
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}
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}
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void displayDecValue() {
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if (display.setModeTemperature == 1) {
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reEnableSetModeTimer();
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if (display.targetTemperature > 0) {
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display.targetTemperature--;
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eepromWriteStorage();
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}
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}
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if (display.setModeTime == 1) {
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reEnableSetModeTimer();
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if (display.targetTime >= 10) {
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display.targetTime -= 10;
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eepromWriteStorage();
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}
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}
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}
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void buttonShort() {
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if (display.setModeTemperature == 1 || display.setModeTime == 1) {
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toggleSetMode();
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} else if (display.timerState == TT_IDLE) {
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startTimer();
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thermometerEngineConfirmAlarmOrBlock();
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} else if (display.timerState == TT_RUNNING || display.timerState == TT_OVERRUN) {
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stopTimer();
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thermometerEngineUnblock();
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disableAlarm();
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}
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}
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void buttonLong() {
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if (display.timerState == TT_IDLE) {
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toggleSetMode();
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}
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}
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