Andy Jarvis / Mbed 2 deprecated CITY3032-TEMPLATELIGHTsensor2

TEMPLATE light sensor 3 fork

Dependencies:   mbed PinDetect

main.cpp@8:ab7982d1ce50, 2021-11-10 (annotated)

Committer:
10740761
Date:
Wed Nov 10 13:06:53 2021 +0000
Revision:
8:ab7982d1ce50
Parent:
7:5e220d3e8a94 
light sensor v3

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
10740761 5:25c7ff9c9085 7 #define LED_DIAMETER (8)
reedas 4:d129442ea4dd 8 #define LED_RADIUS (LED_DIAMETER/2)
reedas 4:d129442ea4dd 9 #define DISPLAY_X (320)
reedas 4:d129442ea4dd 10 #define DISPLAY_Y (240)
reedas 4:d129442ea4dd 11 #define NUMLEDS_X (DISPLAY_X/LED_DIAMETER)
reedas 4:d129442ea4dd 12 #define NUMLEDS_Y (DISPLAY_Y/LED_DIAMETER)
reedas 4:d129442ea4dd 13 #define LED_OFF (0)
reedas 4:d129442ea4dd 14 #define LED_ON (1)
10740761 6:e85892436f70 15 #define TITLE_OFFSET (16+LED_RADIUS)
10740761 6:e85892436f70 16
10740761 6:e85892436f70 17 AnalogIn lightlevel(P10_0);
10740761 8:ab7982d1ce50 18 DigitalOut lights(LED4);
10740761 8:ab7982d1ce50 19 DigitalOut lightsR(LED1);
10740761 8:ab7982d1ce50 20 DigitalOut lightsG(LED3);
10740761 8:ab7982d1ce50 21 DigitalOut lightsB(LED2);
10740761 8:ab7982d1ce50 22
10740761 8:ab7982d1ce50 23
10740761 8:ab7982d1ce50 24 bool lightStatus;
reedas 1:402b32a1025f 25
reedas 1:402b32a1025f 26 void Display_Init(void)
reedas 1:402b32a1025f 27 {
reedas 4:d129442ea4dd 28 /* Initialise EmWin driver*/
reedas 4:d129442ea4dd 29 GUI_Init();
reedas 1:402b32a1025f 30
reedas 1:402b32a1025f 31 /* Set font size, foreground and background Colours */
10740761 6:e85892436f70 32 GUI_SetFont(GUI_FONT_24B_1);
reedas 1:402b32a1025f 33 GUI_SetColor(GUI_WHITE);
reedas 1:402b32a1025f 34 GUI_SetBkColor(GUI_BLACK);
romilly 0:6beb6f498640 35
reedas 1:402b32a1025f 36 /* Clear screen and print splash screen */
reedas 1:402b32a1025f 37 GUI_Clear();
reedas 1:402b32a1025f 38 GUI_SetTextAlign(GUI_TA_HCENTER);
10740761 6:e85892436f70 39 GUI_DispStringAt("LIGHT SENSOR", 160, 0);
reedas 1:402b32a1025f 40 }
reedas 1:402b32a1025f 41
reedas 1:402b32a1025f 42 int main()
reedas 1:402b32a1025f 43 {
10740761 8:ab7982d1ce50 44 int lowThresh, highThresh;
10740761 8:ab7982d1ce50 45 lowThresh = 40;
10740761 8:ab7982d1ce50 46 highThresh = 70;
10740761 8:ab7982d1ce50 47 lights, 0;
10740761 8:ab7982d1ce50 48
10740761 8:ab7982d1ce50 49
reedas 1:402b32a1025f 50 /* Initialise display */
reedas 1:402b32a1025f 51 Display_Init();
reedas 2:ad262f2c84ca 52
10740761 8:ab7982d1ce50 53 printf("LIGHT LEVEL CONTROL\r\n");
10740761 8:ab7982d1ce50 54 lightStatus = false;
reedas 1:402b32a1025f 55
10740761 7:5e220d3e8a94 56 GUI_SetFont(GUI_FONT_D80);
10740761 7:5e220d3e8a94 57 GUI_SetColor(GUI_BLUE);
10740761 6:e85892436f70 58 while(true){
10740761 6:e85892436f70 59 int lightpercent;
10740761 6:e85892436f70 60 lightpercent = (lightlevel.read_u16()*100)/65535;
10740761 6:e85892436f70 61 printf("light level is %d\r\n", lightpercent);
10740761 8:ab7982d1ce50 62 if(lightpercent > highThresh) lightStatus = 1;
10740761 8:ab7982d1ce50 63 else if(lightpercent < lowThresh) lightStatus = 0;
10740761 8:ab7982d1ce50 64 lights = lightStatus;
10740761 8:ab7982d1ce50 65 if(lightpercent > highThresh) {
10740761 8:ab7982d1ce50 66 lightsB = 0;
10740761 8:ab7982d1ce50 67 lightsR = 1;
10740761 8:ab7982d1ce50 68 lightsG = 1;
10740761 8:ab7982d1ce50 69 }
10740761 8:ab7982d1ce50 70 if(lightpercent < highThresh && lightpercent > lowThresh) {
10740761 8:ab7982d1ce50 71 lightsB = 1;
10740761 8:ab7982d1ce50 72 lightsR = 1;
10740761 8:ab7982d1ce50 73 lightsG = 0;
10740761 8:ab7982d1ce50 74 }
10740761 8:ab7982d1ce50 75 if(lightpercent < lowThresh) {
10740761 8:ab7982d1ce50 76 lightsB = 1;
10740761 8:ab7982d1ce50 77 lightsR = 0;
10740761 8:ab7982d1ce50 78 lightsG = 1;
10740761 8:ab7982d1ce50 79 }
10740761 8:ab7982d1ce50 80
10740761 6:e85892436f70 81 ThisThread::sleep_for(1000);
10740761 7:5e220d3e8a94 82 char buffer[16];
10740761 7:5e220d3e8a94 83 sprintf(buffer, "%d", lightpercent);
10740761 7:5e220d3e8a94 84 GUI_DispStringAt(buffer, 30, 30);
10740761 7:5e220d3e8a94 85 GUI_SetColor(GUI_DARKGREEN);
10740761 7:5e220d3e8a94 86 GUI_FillRect(260, 30, 300, 220);
10740761 7:5e220d3e8a94 87 GUI_SetColor(GUI_GREEN);
10740761 7:5e220d3e8a94 88 GUI_FillRect(260, 220 - lightpercent * 2, 300, 220);
10740761 6:e85892436f70 89
reedas 4:d129442ea4dd 90 }
10740761 6:e85892436f70 91
romilly 0:6beb6f498640 92 }
reedas 1:402b32a1025f 93
reedas 1:402b32a1025f 94
reedas 1:402b32a1025f 95