Ksenia Kondrashova / Mbed 2 deprecated Temp_&_RH_at_TFT_with_touchscreen

[SIMPLE PROGRAM] HYT humidity & temp sensor polling / showing received data at TFT with capacitive touchscreen

Dependencies:   FT800_2 HYT mbed

HYT humidity and temperature sensor polling & showing received data at TFT via graphical controller FT800/FT801.

Hardware

For documentation on the FT800 library, please refer to the library pages.

Connection

MCU-board to TFT-module

MCU-board is connected to TFT-module via Break Out Board. You need 6 signals to connect: SCK, MOSI and MISO are connected to a SPI channel, SS is the chip select signal, PD work as powerdown and INT for interrupts from TFT to MCU.

/media/uploads/Ksenia/4_-22-.jpg

You have to connect VDD to BLVDD at Break Out Board if you use the board:

/media/uploads/Ksenia/4_-5-.jpg

MCU-board to HYT sensor

MCU-board is connected to sensor via I2C. Remember to use pull-up resisrors there:

/media/uploads/Ksenia/freshpaint-20-2016.09.16-10.37.03.png

Подробнее в статьях Как перестать бояться и полюбить mbed [Часть 1 - 5] на https://habrahabr.ru/users/uuuulala/topics/

TFT/display.Draw_Grids.cpp

Committer:
Ksenia
Date:
2016-10-05
Revision:
1:e20b5da0c912
Parent:
0:1f5444f2977d

File content as of revision 1:e20b5da0c912:

#include "display.h"

/**************************************************************************************************************************
************************** Draw horisontal grid for temperature (-50 .. +125) *********************************************
**************************************************************************************************************************/
void Display::HorisontalGrid_CurrentTemp()
{
    (*_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 humidity (0 .. 100) ***************************************************
**************************************************************************************************************************/
void Display::HorisontalGrid_CurrentHumidity()
{
    (*_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;
    }
}