Phung Tung / GUI-746

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Dependencies:   TS_F746 LCD_746 LbBSP746NG GUI_746

main.cpp@3:451a7e2f7928, 2019-12-10 (annotated)

Committer:
fundokukiri
Date:
Tue Dec 10 14:35:22 2019 +0000
Revision:
3:451a7e2f7928
Parent:
2:e11266cb3ba5 
SPKT;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wsteenberg 0:151a96a0fc95 1 #include "mbed.h"
wsteenberg 0:151a96a0fc95 2 #include "F746_BUTTON.hpp"
wsteenberg 0:151a96a0fc95 3
wsteenberg 0:151a96a0fc95 4 TS_DISCO_F746NG ts_;
wsteenberg 0:151a96a0fc95 5 LCD_DISCO_F746NG lcd_;
wsteenberg 0:151a96a0fc95 6
tquang14 1:dcda1118b4ef 7 InterruptIn button1(USER_BUTTON);
tquang14 1:dcda1118b4ef 8 volatile bool button1_pressed = false; // Used in the main loop
tquang14 1:dcda1118b4ef 9 volatile bool button1_enabled = true; // Used for debouncing
tquang14 1:dcda1118b4ef 10 Timeout button1_timeout; // Used for debouncing
tquang14 1:dcda1118b4ef 11
tquang14 1:dcda1118b4ef 12 void button1_enabled_cb(void)
tquang14 1:dcda1118b4ef 13 {
tquang14 1:dcda1118b4ef 14 button1_enabled = true;
tquang14 1:dcda1118b4ef 15 }
tquang14 1:dcda1118b4ef 16
tquang14 1:dcda1118b4ef 17 // ISR handling button pressed event
tquang14 1:dcda1118b4ef 18 void button1_onpressed_cb(void)
tquang14 1:dcda1118b4ef 19 {
tquang14 1:dcda1118b4ef 20 if (button1_enabled) { // Disabled while the button is bouncing
tquang14 1:dcda1118b4ef 21 button1_enabled = false;
tquang14 1:dcda1118b4ef 22 button1_pressed = true; // To be read by the main loop
tquang14 1:dcda1118b4ef 23 button1_timeout.attach(callback(button1_enabled_cb), 0.3); // Debounce time 300 ms
tquang14 1:dcda1118b4ef 24 }
tquang14 1:dcda1118b4ef 25 }
wsteenberg 0:151a96a0fc95 26
wsteenberg 0:151a96a0fc95 27 char char_SliderDisplayValue[4]; // String Value to display for the Slider Control value
wsteenberg 0:151a96a0fc95 28 uint16_t SliderDisplayValue_; // Variable used to access Slider Control Value in F746SLIDER.cpp
tquang14 1:dcda1118b4ef 29 DigitalOut led(LED1);
wsteenberg 0:151a96a0fc95 30 int main()
wsteenberg 0:151a96a0fc95 31 {
wsteenberg 0:151a96a0fc95 32 lcd_.Clear(LCD_COLOR_WHITE); // Set LCD Background colour
wsteenberg 0:151a96a0fc95 33
wsteenberg 0:151a96a0fc95 34 Button btn1(lcd_, ts_, 20, 50, 80, 40,
fundokukiri 3:451a7e2f7928 35 LCD_COLOR_BLUE, LCD_COLOR_YELLOW, 1, "NUTNHAN", Font12); // Define btn1 button
wsteenberg 0:151a96a0fc95 36 btn1.Render(); // Draw btn1 button
tquang14 1:dcda1118b4ef 37 button1.fall(callback(button1_onpressed_cb)); // Attach ISR to handle button press event
wsteenberg 0:151a96a0fc95 38
tquang14 1:dcda1118b4ef 39 int idx = 0; // Just for printf below
wsteenberg 0:151a96a0fc95 40 while (true) // Main program loop
fundokukiri 3:451a7e2f7928 41 {
tquang14 1:dcda1118b4ef 42
wsteenberg 0:151a96a0fc95 43 if (btn1.Press()) // Check if btn1 button was touched and run instructions if true
wsteenberg 0:151a96a0fc95 44 {
wsteenberg 0:151a96a0fc95 45 lcd_.SetFont(&Font12);
wsteenberg 0:151a96a0fc95 46 lcd_.SetTextColor(LCD_COLOR_BLACK);
tquang14 1:dcda1118b4ef 47 led = !led;
wsteenberg 0:151a96a0fc95 48 wait(0.5);
fundokukiri 3:451a7e2f7928 49 lcd_.DisplayStringAt(5, 110, (uint8_t *)"", LEFT_MODE);
wsteenberg 0:151a96a0fc95 50 } // End btn1 button instructions
tquang14 1:dcda1118b4ef 51 if (button1_pressed) { // Set when button is pressed
tquang14 1:dcda1118b4ef 52 button1_pressed = false;
tquang14 1:dcda1118b4ef 53 led = !led;
tquang14 1:dcda1118b4ef 54 char *tmp;
tquang14 1:dcda1118b4ef 55 sprintf(tmp, "Button pressed %d", idx++);
wsteenberg 0:151a96a0fc95 56 wait(0.5);
tquang14 1:dcda1118b4ef 57 lcd_.SetFont(&Font20);
tquang14 1:dcda1118b4ef 58
tquang14 1:dcda1118b4ef 59 lcd_.DisplayStringAt(5, 160, (uint8_t *)tmp, LEFT_MODE);
wsteenberg 0:151a96a0fc95 60 wait(0.5);
fundokukiri 3:451a7e2f7928 61 }
wsteenberg 0:151a96a0fc95 62 wait(0.02f);
fundokukiri 3:451a7e2f7928 63 }
fundokukiri 3:451a7e2f7928 64 }