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_Grids.cpp
- Committer:
- Ksenia
- Date:
- 2016-10-12
- Revision:
- 1:8ca8a4ecbe6b
- Parent:
- 0:9db07391e780
File content as of revision 1:8ca8a4ecbe6b:
#include "display.h" /* For drawing current values */ /************************************************************************************************************************** ************************** Draw horisontal grid for current temperature (-50 .. +125) ************************************* **************************************************************************************************************************/ void Display::HorisontalGrid_Current_Temperature() { (*_TFT).DL(COLOR_RGB(20, 20, 20)); char gridNumb = 125 + 50; for (int i = 70 * 16; i <= 225 * 16; i += 352) { (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(LINE_WIDTH(8)); (*_TFT).DL(VERTEX2F(15 * 16, i)); (*_TFT).DL(VERTEX2F(423 * 16, i)); if (gridNumb >= 50) { (*_TFT).Number(435, i/16 - 9, 26, 0, gridNumb - 50); } else if (gridNumb == 25) { (*_TFT).Text(435, i/16 - 9, 26, 0, "-25"); } else if (gridNumb == 0) { (*_TFT).Text(435, i/16 - 9, 26, 0, "-50"); } gridNumb = gridNumb - 25; } } /************************************************************************************************************************** ************************** Draw horisontal grid for current humidity (0 .. 100) ******************************************* **************************************************************************************************************************/ void Display::HorisontalGrid_Current_Humidity() { (*_TFT).DL(COLOR_RGB(20, 20, 20)); char gridNumb = 100; for (int i = 70 * 16; i <= 220 * 16; i += 600) { (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(LINE_WIDTH(8)); (*_TFT).DL(VERTEX2F(15 * 16, i)); (*_TFT).DL(VERTEX2F(423 * 16, i)); (*_TFT).Number(435, i/16 - 9, 26, 0, gridNumb); gridNumb = gridNumb - 25; } } /* For drawing statistics values */ /************************************************************************************************************************** ************************** Draw horisontal grid for temperature (-50 .. +125) ********************************************* **************************************************************************************************************************/ void Display::HorisontalGrid_Statistics_Temperature() { (*_TFT).DL(COLOR_RGB(80, 80, 80)); char gridNumb = 125 + 50; for (int i = 100 * 16; i <= 200 * 16; i += 228) { (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(LINE_WIDTH(8)); if (gridNumb == 0 + 50) { (*_TFT).DL(LINE_WIDTH(12)); } (*_TFT).DL(VERTEX2F(25 * 16, i)); (*_TFT).DL(VERTEX2F(438 * 16, i)); if (gridNumb >= 50) { (*_TFT).Number(445, i/16 - 9, 26, 0, gridNumb - 50); } else if (gridNumb == 25) { (*_TFT).Text(445, i/16 - 9, 26, 0, "-25"); } else if (gridNumb == 0) { (*_TFT).Text(445, i/16 - 9, 26, 0, "-50"); } gridNumb = gridNumb - 25; } } /************************************************************************************************************************** ************************** Draw horisontal grid for humidity (0 .. 100) *************************************************** **************************************************************************************************************************/ void Display::HorisontalGrid_Statistics_Humidity() { (*_TFT).DL(COLOR_RGB(80, 80, 80)); char gridNumb = 100; for (int i = 100 * 16; i <= 200 * 16; i += (25*16)) { (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(LINE_WIDTH(8)); (*_TFT).DL(VERTEX2F(25 * 16, i)); (*_TFT).DL(VERTEX2F(438 * 16, i)); (*_TFT).Number(445, i/16 - 9, 26, 0, gridNumb); gridNumb = gridNumb - 25; } } /************************************************************************************************************************** ************************** Draw vertical grid for 24-hour interval ******************************************&************* **************************************************************************************************************************/ void Display::VerticalGrid24hrs(uint64_t gridSecondsOffset) { uint64_t gridSeconds = gridSecondsOffset; for (int i = 25 * 16; i <= 433 * 16; i += 17 * 16) { (*_TFT).DL(COLOR_RGB(80, 80, 80)); (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(LINE_WIDTH(8)); (*_TFT).DL(VERTEX2F(i, 100 * 16)); (*_TFT).DL(VERTEX2F(i, 200 * 16)); CreateStringTime(gridTimeStr, gridSeconds); if ((i - 25 * 16) % (3 * 17 * 16) == 0) { (*_TFT).Text(i/16 - 20, 210, 20, 0, gridTimeStr); (*_TFT).DL(COLOR_RGB(20, 20, 20)); (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(VERTEX2F(i, 100 * 16)); (*_TFT).DL(VERTEX2F(i, 205 * 16)); } gridSeconds = gridSeconds + 3600; } } /************************************************************************************************************************** ************************** Draw vertical grid for three-hour interval ***************************************************** **************************************************************************************************************************/ void Display::VerticalGrid3hrs(uint64_t gridSecondsOffset) { (*_TFT).DL(COLOR_RGB(0, 0, 0)); uint64_t gridSeconds = 300 * timePoint3hrs + gridSecondsOffset; for (int i = 25 * 16; i <= 433 * 16; i += 34 * 16) { (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(LINE_WIDTH(8)); (*_TFT).DL(VERTEX2F(i, 100 * 16)); (*_TFT).DL(VERTEX2F(i, 200 * 16)); CreateStringTime(gridTimeStr, gridSeconds); if ((i - 25*16) % (2 * 34 * 16) == 0) { (*_TFT).DL(COLOR_RGB(80, 80, 80)); (*_TFT).Text(i/16 - 20, 210, 20, 0, gridTimeStr); (*_TFT).DL(COLOR_RGB(0, 0, 0)); (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(VERTEX2F(i, 100 * 16)); (*_TFT).DL(VERTEX2F(i, 205 * 16)); } gridSeconds = gridSeconds + 900; } } /************************************************************************************************************************** ************************** Draw vertical grid for 30-minutes interval ***************************************************** **************************************************************************************************************************/ void Display::VerticalGrid30min(uint64_t gridSecondsOffset) { (*_TFT).DL(COLOR_RGB(0, 0, 0)); uint64_t gridSeconds = 300 * (timePoint3hrs + timePoint30min) + gridSecondsOffset; for (int i = 25 * 16; i <= 433 * 16; i += 68 * 16) { (*_TFT).DL(BEGIN(LINES)); (*_TFT).DL(LINE_WIDTH(8)); (*_TFT).DL(VERTEX2F(i, 100 * 16)); (*_TFT).DL(VERTEX2F(i, 205 * 16)); CreateStringTime(gridTimeStr, gridSeconds); (*_TFT).DL(COLOR_RGB(80, 80, 80)); (*_TFT).Text(i/16 - 20, 210, 20, 0, gridTimeStr); (*_TFT).DL(COLOR_RGB(0, 0, 0)); gridSeconds = gridSeconds + 300; } }