Andy Jarvis / Mbed 2 deprecated CITY3032-TEMPLATE-LIGHTSENSOR

TEMPLATE light sensor 2

Dependencies:   mbed PinDetect

main.cpp@2:ad262f2c84ca, 2021-10-16 (annotated)

Committer:
reedas
Date:
Sat Oct 16 08:10:02 2021 +0000
Revision:
2:ad262f2c84ca
Parent:
1:402b32a1025f
Child:
3:a14b2aa7546e
binary/digital/hex counter and light level display

Who changed what in which revision?

UserRevisionLine numberNew contents of line
reedas 2:ad262f2c84ca 1 /* Hello World! for the Emwin TFT Library */
reedas 1:402b32a1025f 2
romilly 0:6beb6f498640 3 #include "mbed.h"
reedas 1:402b32a1025f 4 #include "GUI.h"
reedas 1:402b32a1025f 5 #include "cy8ckit_028_tft.h"
reedas 2:ad262f2c84ca 6 #include "PinDetect.h"
reedas 2:ad262f2c84ca 7
reedas 2:ad262f2c84ca 8 PinDetect pb1(SWITCH2);
reedas 2:ad262f2c84ca 9 uint8 counter = 0;
reedas 2:ad262f2c84ca 10 AnalogIn lightLevel(P10_0);
reedas 2:ad262f2c84ca 11
reedas 2:ad262f2c84ca 12 // Callback routine is interrupt activated by a debounced pb1 hit
reedas 2:ad262f2c84ca 13 void pb1_hit_callback (void)
reedas 2:ad262f2c84ca 14 {
reedas 2:ad262f2c84ca 15 counter = 0;
reedas 2:ad262f2c84ca 16 }
reedas 2:ad262f2c84ca 17
reedas 2:ad262f2c84ca 18 int readLightLevel() {
reedas 2:ad262f2c84ca 19 int lightPercent;
reedas 2:ad262f2c84ca 20 lightPercent = (lightLevel.read_u16()*100)/65535;
reedas 2:ad262f2c84ca 21 return lightPercent;
reedas 2:ad262f2c84ca 22 }
reedas 1:402b32a1025f 23
reedas 1:402b32a1025f 24 void Display_Init(void)
reedas 1:402b32a1025f 25 {
reedas 1:402b32a1025f 26
reedas 1:402b32a1025f 27 /* Set font size, foreground and background Colours */
reedas 1:402b32a1025f 28 GUI_SetFont(GUI_FONT_16B_1);
reedas 1:402b32a1025f 29 GUI_SetColor(GUI_WHITE);
reedas 1:402b32a1025f 30 GUI_SetBkColor(GUI_BLACK);
romilly 0:6beb6f498640 31
reedas 1:402b32a1025f 32 /* Clear screen and print splash screen */
reedas 1:402b32a1025f 33 GUI_Clear();
reedas 1:402b32a1025f 34 GUI_SetTextAlign(GUI_TA_HCENTER);
reedas 1:402b32a1025f 35 GUI_DispStringAt("TFT Demo", 160, 20);
reedas 1:402b32a1025f 36 }
reedas 1:402b32a1025f 37
reedas 1:402b32a1025f 38 int main()
reedas 1:402b32a1025f 39 {
reedas 2:ad262f2c84ca 40
reedas 1:402b32a1025f 41 /* Initialise EmWin driver*/
reedas 1:402b32a1025f 42 GUI_Init();
romilly 0:6beb6f498640 43
reedas 1:402b32a1025f 44 /* Initialise display */
reedas 1:402b32a1025f 45 Display_Init();
reedas 2:ad262f2c84ca 46 pb1.mode(PullUp);
reedas 2:ad262f2c84ca 47 // Delay for initial pullup to take effect
reedas 2:ad262f2c84ca 48 ThisThread::sleep_for(10);
reedas 2:ad262f2c84ca 49 // Setup Interrupt callback functions for a pb hit
reedas 2:ad262f2c84ca 50 pb1.attach_deasserted(&pb1_hit_callback);
reedas 2:ad262f2c84ca 51
reedas 2:ad262f2c84ca 52 // Start sampling pb inputs using interrupts
reedas 2:ad262f2c84ca 53 pb1.setSampleFrequency();
reedas 1:402b32a1025f 54
reedas 1:402b32a1025f 55
reedas 1:402b32a1025f 56 GUI_SetFont(GUI_FONT_8X16X2X2);
reedas 2:ad262f2c84ca 57 GUI_SetTextAlign(GUI_TA_HCENTER);
reedas 2:ad262f2c84ca 58 GUI_DispStringAt("Hello World!", 160, 200);
reedas 2:ad262f2c84ca 59 while(1) {
reedas 1:402b32a1025f 60 GUI_SetTextAlign(GUI_TA_HCENTER);
reedas 2:ad262f2c84ca 61 GUI_DispHexAt(counter, 160, 70, 2);
reedas 2:ad262f2c84ca 62 GUI_SetTextAlign(GUI_TA_HCENTER);
reedas 2:ad262f2c84ca 63 GUI_DispDecAt(counter, 160, 130, 3);
reedas 2:ad262f2c84ca 64 GUI_SetTextAlign(GUI_TA_HCENTER);
reedas 2:ad262f2c84ca 65 GUI_DispBinAt(counter++, 160, 100, 8);
reedas 2:ad262f2c84ca 66 GUI_DispStringAt("Light is: ", 10, 160);
reedas 2:ad262f2c84ca 67 GUI_DispDec(readLightLevel(), 3);
reedas 2:ad262f2c84ca 68 GUI_DispString("%");
reedas 2:ad262f2c84ca 69 ThisThread::sleep_for(500);
reedas 1:402b32a1025f 70
reedas 2:ad262f2c84ca 71 }
romilly 0:6beb6f498640 72 }
reedas 1:402b32a1025f 73
reedas 1:402b32a1025f 74
reedas 1:402b32a1025f 75