Tu Tri Huynh / Mbed OS DISCO-F746NG_light_control_system_tth

School project.

Dependencies:   Timezone NTPClient BSP_DISCO_F746NG Grove_temperature

main.cpp@7:b80c993f4db5, 2021-01-14 (annotated)

Committer:
tuxx0046
Date:
Thu Jan 14 12:28:45 2021 +0000
Revision:
7:b80c993f4db5
Parent:
6:aecab8e3acad
Child:
8:1a1e7cf7dcb6
Changed light_sensor_get_light_intensity() function to return an integer.; It now takes the sensor read value, multiplies the value by 100, rounds it to nearest whole number and returns it, effectively expressing light intensity in percentage.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tuxx0046 1:1ee11539cc43 1 /**
tuxx0046 0:ed4063a0a4d5 2 @file main.cpp
tuxx0046 0:ed4063a0a4d5 3 @brief Light Control System to automatically dimmer or increase light levels depending on registered light intensity.
tuxx0046 6:aecab8e3acad 4 Made for:
tuxx0046 6:aecab8e3acad 5 STM32F746G-DISCOVERY
tuxx0046 6:aecab8e3acad 6 Grove Base Shield v2.1
tuxx0046 6:aecab8e3acad 7 Grove Light Sensor v1.2
tuxx0046 6:aecab8e3acad 8 Grove Rotary Angle Sensor v1.2
tuxx0046 6:aecab8e3acad 9 Grove LED Socket Kit v1.5
tuxx0046 6:aecab8e3acad 10 Grove LED diode
tuxx0046 6:aecab8e3acad 11 Grove Button v1.2
tuxx0046 6:aecab8e3acad 12
tuxx0046 0:ed4063a0a4d5 13 @author Tu Tri Huynh
tuxx0046 0:ed4063a0a4d5 14 @date 1/13/2021
tuxx0046 0:ed4063a0a4d5 15 */
tuxx0046 0:ed4063a0a4d5 16
tuxx0046 0:ed4063a0a4d5 17 #include "mbed.h"
tuxx0046 6:aecab8e3acad 18
tuxx0046 6:aecab8e3acad 19 AnalogIn light_sensor(A0);
tuxx0046 6:aecab8e3acad 20 PwmOut led(D3);
tuxx0046 6:aecab8e3acad 21
tuxx0046 0:ed4063a0a4d5 22 char building[31];
tuxx0046 0:ed4063a0a4d5 23 char room[31];
tuxx0046 0:ed4063a0a4d5 24
tuxx0046 2:90d31841523a 25 /// Used to test the controller and make sure that it functions
tuxx0046 6:aecab8e3acad 26 /** DigitalOut myled(LED1); */
tuxx0046 0:ed4063a0a4d5 27
tuxx0046 3:02e7aac23ff9 28 #include "setup_functions.h"
tuxx0046 4:1a12157689a7 29 #include "lcd_functions.h"
tuxx0046 6:aecab8e3acad 30 #include "led_functions.h"
tuxx0046 7:b80c993f4db5 31 #include "light_sensor_functions.h"
tuxx0046 0:ed4063a0a4d5 32
tuxx0046 0:ed4063a0a4d5 33 int main(){
tuxx0046 0:ed4063a0a4d5 34 /*
tuxx0046 4:1a12157689a7 35 lcd_initialize();
tuxx0046 4:1a12157689a7 36 lcd_show_setup_screen();
tuxx0046 6:aecab8e3acad 37 setup_run_setup();*/
tuxx0046 6:aecab8e3acad 38
tuxx0046 6:aecab8e3acad 39 float light_sensor_reading;
tuxx0046 2:90d31841523a 40 while(1)
tuxx0046 2:90d31841523a 41 {
tuxx0046 6:aecab8e3acad 42 light_sensor_reading = light_sensor.read();
tuxx0046 6:aecab8e3acad 43 printf("%1.2f\n", light_sensor_reading);
tuxx0046 7:b80c993f4db5 44 printf("%i%%\n", light_sensor_get_light_intensity(light_sensor_reading));
tuxx0046 6:aecab8e3acad 45 led_set_blink_rate(light_sensor_reading);
tuxx0046 6:aecab8e3acad 46 wait_us(1000000);
tuxx0046 4:1a12157689a7 47
tuxx0046 2:90d31841523a 48 /** 01/13/2021 Used to test the controller and make sure that it functions.*/
tuxx0046 2:90d31841523a 49 /**
tuxx0046 2:90d31841523a 50 printf("This is a test.\n");
tuxx0046 2:90d31841523a 51 myled = 1;
tuxx0046 2:90d31841523a 52 wait_us(1000000);
tuxx0046 2:90d31841523a 53 myled = 0;
tuxx0046 2:90d31841523a 54 wait_us(1000000);
tuxx0046 2:90d31841523a 55 */
tuxx0046 2:90d31841523a 56 }
tuxx0046 6:aecab8e3acad 57
tuxx0046 6:aecab8e3acad 58 /**
tuxx0046 6:aecab8e3acad 59 printf("Mbed OS version: %d,%d,%d\n\n",MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
tuxx0046 6:aecab8e3acad 60 */
tuxx0046 0:ed4063a0a4d5 61 }