Русифицированная версия программы для измерения температуры и отн. влажности и вывода информации на сенсорный TFT
Dependencies: FT800_2 HYT mbed
Компоненты
- Датчик температуры и относительной влажности HYT-271 / HYT-221 / HYT-939 от компании IST-AG
- TFT-модуль серии uxTouch от компании Riverdi
- Плата-переходник Break Out Board 20 от компании Riverdi
- Любая отладочная плата с поддержкой mbed, интерфейсами I2C и SPI interface двумя свободными линиями для сигналов PD и INT
Подключение
Отладочная плата к TFT-модулю
Отладочная плата подключается к модулю через переходник Break Out Board 20. На плате-переходнике используется 6 сигналов: SCK, MOSI, MISO, SS (интерфейс SPI), PD (powerdown) и INT (interrupt).
Питание должно быть подано не только на VDD, но и на BLVDD - подсветку экрана. Соответствующие выводы можно просто соединить между собой:
Отладочная плата к датчику серии HYT
К датчику отладочная плата подключается по I2C. Не забываем про подтяжку к питанию:

Демонстрация работы
Процесс создания приложения подробно описан тут: https://habrahabr.ru/users/uuuulala/topics/
TFT/display.Draw_30minStatistics.cpp
- Committer:
- Ksenia
- Date:
- 2016-10-12
- Revision:
- 1:8ca8a4ecbe6b
- Parent:
- 0:9db07391e780
File content as of revision 1:8ca8a4ecbe6b:
#include "display.h"
/**************************************************************************************************************************
************************** Display data about humidity in the 30-minutes interval *****************************************
**************************************************************************************************************************/
void Display::StatHumidity_30min(volatile uint64_t seconds, short int statistics24hrs[3][288], uint64_t gridSecondsOffset)
{
// start FT800 display list
StartDL();
// mark the plot area as touch input (to return to 24-hrs statistics)
(*_TFT).DL(COLOR_RGB(213, 213, 213));
(*_TFT).DL(TAG_MASK(1));
(*_TFT).DL(TAG(STAT_HUM_PRESS));
(*_TFT).DL(BEGIN(RECTS));
(*_TFT).DL(VERTEX2II(25, 100, 0, 0));
(*_TFT).DL(VERTEX2II(433, 200, 0, 0));
(*_TFT).DL(TAG_MASK(0));
// create time string, GridLines, link to main menu
TimeSinceTurnOn(seconds);
VerticalGrid30min(gridSecondsOffset);
HorisontalGrid_Statistics_Humidity();
MainMenuReference();
// draw graph line
for (int i = 0; i < 6; i++) {
char currentValue = statistics24hrs[0][i + timePoint3hrs + timePoint30min];
char currentMinValue = statistics24hrs[1][i + timePoint3hrs + timePoint30min];
char currentMaxValue = statistics24hrs[2][i + timePoint3hrs + timePoint30min];
if (currentValue != INIT_STATISTICS_NUMBER && (i + timePoint3hrs + timePoint30min) != 0) {
if (currentMaxValue - currentMinValue >= DELTA_HUMIDITY) {
(*_TFT).DL(COLOR_RGB(207, 45, 13));
(*_TFT).Number(i * 68, 200 - currentMaxValue - 15, 26, 0, currentMaxValue);
(*_TFT).Number(i * 68, 200 - currentMinValue + 1, 26, 0, currentMinValue);
(*_TFT).Number(i * 68 + 43, 200 - currentValue - 7, 26, 0, currentValue);
} else {
(*_TFT).DL(COLOR_RGB(9, 0, 63));
(*_TFT).Number(i * 68 + 43, 200 - currentValue - 7, 26, 0, currentValue);
}
(*_TFT).DL(BEGIN(LINES));
(*_TFT).DL(LINE_WIDTH(16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentValue) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentMaxValue) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 10) * 16, (200 - currentMaxValue) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 40) * 16, (200 - currentMaxValue) * 16));
(*_TFT).DL(END());
(*_TFT).DL(BEGIN(LINES));
(*_TFT).DL(LINE_WIDTH(16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentValue) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentMinValue) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 10) * 16, (200 - currentMinValue) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 40) * 16, (200 - currentMinValue) * 16));
(*_TFT).DL(END());
(*_TFT).DL(BEGIN(POINTS));
(*_TFT).DL(POINT_SIZE(70));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentValue) * 16));
(*_TFT).DL(END());
(*_TFT).DL(BEGIN(LINES));
(*_TFT).DL(LINE_WIDTH(24));
(*_TFT).DL(VERTEX2F((i * 68 + 15) * 16, (200 - currentValue) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 35) * 16, (200 - currentValue) * 16));
(*_TFT).DL(END());
}
if (timePoint3hrs + timePoint30min == 0) {
(*_TFT).DL(COLOR_RGB(9, 0, 63));
(*_TFT).DL(BEGIN(POINTS));
(*_TFT).DL(POINT_SIZE(70));
(*_TFT).DL(VERTEX2F(25 * 16, (200 - statistics24hrs[0][0]) * 16));
(*_TFT).DL(END());
}
}
// write main title
(*_TFT).DL(COLOR_RGB(0, 0, 0));
CreateStringRussian("Отн. влажность за 30 минут");
(*_TFT).Text(15, 15, 3, 0, russianStr);
// finish FT800 display list
FinishDL();
}
/**************************************************************************************************************************
************************** Display data about temperature in the 30-minutes interval **************************************
**************************************************************************************************************************/
void Display::StatTemperature_30min(volatile uint64_t seconds, short int statistics24hrs[3][288], uint64_t gridSecondsOffset)
{
// strings needed to output temperature values with decimal mark
char currentValueStr[8], currentMinValueStr[8], currentMaxValueStr[8];
// start FT800 display list
StartDL();
// mark the plot area as touch input (to return to 24-hrs statistics)
(*_TFT).DL(COLOR_RGB(213, 213, 213));
(*_TFT).DL(TAG_MASK(1));
(*_TFT).DL(TAG(STAT_TEMP_PRESS));
(*_TFT).DL(BEGIN(RECTS));
(*_TFT).DL(VERTEX2II(25, 100, 0, 0));
(*_TFT).DL(VERTEX2II(433, 200, 0, 0));
(*_TFT).DL(TAG_MASK(0));
// create time string, GridLines, link to main menu
TimeSinceTurnOn(seconds);
VerticalGrid30min(gridSecondsOffset);
HorisontalGrid_Statistics_Temperature();
MainMenuReference();
// draw graph line
// Temperature values are multiplied by 10 in the statistics data array.
// To receive "normal" temperature with decimal mark we have to divide it
for (int i = 0; i < 6; i++) {
char currentValue_toDraw = (statistics24hrs[0][i + timePoint3hrs + timePoint30min] / TEMPERATURE_MULTIPLIER + 50) * 0.57;
char currentMinValue_toDraw = (statistics24hrs[1][i + timePoint3hrs + timePoint30min] / TEMPERATURE_MULTIPLIER + 50) * 0.57;
char currentMaxValue_toDraw = (statistics24hrs[2][i + timePoint3hrs + timePoint30min] / TEMPERATURE_MULTIPLIER + 50) * 0.57;
short int currentValue_multiplied = statistics24hrs[0][i + timePoint3hrs + timePoint30min];
CreateStringMultipliedTemp(currentValueStr, currentValue_multiplied);
short int currentMinValue_multiplied = statistics24hrs[1][i + timePoint3hrs + timePoint30min];
CreateStringMultipliedTemp(currentMinValueStr, currentMinValue_multiplied);
short int currentMaxValue_multiplied = statistics24hrs[2][i + timePoint3hrs + timePoint30min];
CreateStringMultipliedTemp(currentMaxValueStr, currentMaxValue_multiplied);
short int delta = currentMaxValue_multiplied - currentMinValue_multiplied;
if (currentValue_multiplied != INIT_STATISTICS_NUMBER && (i + timePoint3hrs + timePoint30min) != 0) {
if (delta >= DELTA_TEMPERATURE * TEMPERATURE_MULTIPLIER) {
(*_TFT).DL(COLOR_RGB(207, 45, 13));
(*_TFT).Text(i * 68 + 5, 200 - currentMaxValue_toDraw - 17, 20, 0, currentMaxValueStr);
(*_TFT).Text(i * 68 + 5, 200 - currentMinValue_toDraw + 3, 20, 0, currentMinValueStr);
(*_TFT).Text(i * 68 + 43, 200 - currentValue_toDraw - 7, 26, 0, currentValueStr);
} else {
(*_TFT).DL(COLOR_RGB(9, 0, 63));
(*_TFT).Text(i * 68 + 43, 200 - currentValue_toDraw - 7, 26, 0, currentValueStr);
}
(*_TFT).DL(BEGIN(LINES));
(*_TFT).DL(LINE_WIDTH(16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentValue_toDraw) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentMaxValue_toDraw) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 10) * 16, (200 - currentMaxValue_toDraw) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 40) * 16, (200 - currentMaxValue_toDraw) * 16));
(*_TFT).DL(END());
(*_TFT).DL(BEGIN(LINES));
(*_TFT).DL(LINE_WIDTH(16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentValue_toDraw) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentMinValue_toDraw) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 10) * 16, (200 - currentMinValue_toDraw) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 40) * 16, (200 - currentMinValue_toDraw) * 16));
(*_TFT).DL(END());
(*_TFT).DL(BEGIN(POINTS));
(*_TFT).DL(POINT_SIZE(70));
(*_TFT).DL(VERTEX2F((i * 68 + 25) * 16, (200 - currentValue_toDraw) * 16));
(*_TFT).DL(END());
(*_TFT).DL(BEGIN(LINES));
(*_TFT).DL(LINE_WIDTH(24));
(*_TFT).DL(VERTEX2F((i * 68 + 15) * 16, (200 - currentValue_toDraw) * 16));
(*_TFT).DL(VERTEX2F((i * 68 + 35) * 16, (200 - currentValue_toDraw) * 16));
(*_TFT).DL(END());
}
if (timePoint3hrs + timePoint30min == 0) {
(*_TFT).DL(COLOR_RGB(9, 0, 63));
(*_TFT).DL(BEGIN(POINTS));
(*_TFT).DL(POINT_SIZE(70));
(*_TFT).DL(VERTEX2F(25 * 16, (200 - statistics24hrs[0][0]) * 16));
(*_TFT).DL(END());
}
}
// write main title
(*_TFT).DL(COLOR_RGB(0, 0, 0));
CreateStringRussian("Температура за 30 минут");
(*_TFT).Text(15, 15, 3, 0, russianStr);
// finish FT800 display list
FinishDL();
}