ttt2/my_src/hmi.c
2017-06-20 15:00:18 +02:00

221 lines
5.2 KiB
C

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