Phung Tung / GUI-746

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Dependencies:   TS_F746 LCD_746 LbBSP746NG GUI_746

main.cpp@2:e11266cb3ba5, 2019-10-09 (annotated)

Committer:
fundokukiri
Date:
Wed Oct 09 12:24:16 2019 +0000
Revision:
2:e11266cb3ba5
Parent:
1:dcda1118b4ef
Child:
3:451a7e2f7928
GUI-746

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wsteenberg 0:151a96a0fc95 1 //---------------------------------------------------------------
wsteenberg 0:151a96a0fc95 2 //
wsteenberg 0:151a96a0fc95 3 // Demo program for
wsteenberg 0:151a96a0fc95 4 // F746_Button and Slider library
wsteenberg 0:151a96a0fc95 5 //
wsteenberg 0:151a96a0fc95 6 //---------------------------------------------------------------
wsteenberg 0:151a96a0fc95 7 #include "mbed.h"
wsteenberg 0:151a96a0fc95 8 #include "F746_BUTTON.hpp"
wsteenberg 0:151a96a0fc95 9
wsteenberg 0:151a96a0fc95 10 TS_DISCO_F746NG ts_;
wsteenberg 0:151a96a0fc95 11 LCD_DISCO_F746NG lcd_;
wsteenberg 0:151a96a0fc95 12
tquang14 1:dcda1118b4ef 13 InterruptIn button1(USER_BUTTON);
tquang14 1:dcda1118b4ef 14 volatile bool button1_pressed = false; // Used in the main loop
tquang14 1:dcda1118b4ef 15 volatile bool button1_enabled = true; // Used for debouncing
tquang14 1:dcda1118b4ef 16 Timeout button1_timeout; // Used for debouncing
tquang14 1:dcda1118b4ef 17
tquang14 1:dcda1118b4ef 18 void button1_enabled_cb(void)
tquang14 1:dcda1118b4ef 19 {
tquang14 1:dcda1118b4ef 20 button1_enabled = true;
tquang14 1:dcda1118b4ef 21 }
tquang14 1:dcda1118b4ef 22
tquang14 1:dcda1118b4ef 23 // ISR handling button pressed event
tquang14 1:dcda1118b4ef 24 void button1_onpressed_cb(void)
tquang14 1:dcda1118b4ef 25 {
tquang14 1:dcda1118b4ef 26 if (button1_enabled) { // Disabled while the button is bouncing
tquang14 1:dcda1118b4ef 27 button1_enabled = false;
tquang14 1:dcda1118b4ef 28 button1_pressed = true; // To be read by the main loop
tquang14 1:dcda1118b4ef 29 button1_timeout.attach(callback(button1_enabled_cb), 0.3); // Debounce time 300 ms
tquang14 1:dcda1118b4ef 30 }
tquang14 1:dcda1118b4ef 31 }
wsteenberg 0:151a96a0fc95 32
wsteenberg 0:151a96a0fc95 33 char char_SliderDisplayValue[4]; // String Value to display for the Slider Control value
wsteenberg 0:151a96a0fc95 34 uint16_t SliderDisplayValue_; // Variable used to access Slider Control Value in F746SLIDER.cpp
tquang14 1:dcda1118b4ef 35 DigitalOut led(LED1);
wsteenberg 0:151a96a0fc95 36 int main()
wsteenberg 0:151a96a0fc95 37 {
wsteenberg 0:151a96a0fc95 38 lcd_.Clear(LCD_COLOR_WHITE); // Set LCD Background colour
wsteenberg 0:151a96a0fc95 39
wsteenberg 0:151a96a0fc95 40 Button btn1(lcd_, ts_, 20, 50, 80, 40,
wsteenberg 0:151a96a0fc95 41 LCD_COLOR_BLUE, LCD_COLOR_YELLOW, 1, "BUTTON1", Font12); // Define btn1 button
wsteenberg 0:151a96a0fc95 42 btn1.Render(); // Draw btn1 button
tquang14 1:dcda1118b4ef 43 button1.fall(callback(button1_onpressed_cb)); // Attach ISR to handle button press event
wsteenberg 0:151a96a0fc95 44
tquang14 1:dcda1118b4ef 45 int idx = 0; // Just for printf below
wsteenberg 0:151a96a0fc95 46 while (true) // Main program loop
tquang14 1:dcda1118b4ef 47 { // End sld1 instructions
tquang14 1:dcda1118b4ef 48
wsteenberg 0:151a96a0fc95 49 if (btn1.Press()) // Check if btn1 button was touched and run instructions if true
wsteenberg 0:151a96a0fc95 50 {
wsteenberg 0:151a96a0fc95 51 lcd_.SetFont(&Font12);
wsteenberg 0:151a96a0fc95 52 lcd_.SetTextColor(LCD_COLOR_BLACK);
tquang14 1:dcda1118b4ef 53 led = !led;
wsteenberg 0:151a96a0fc95 54 wait(0.5);
wsteenberg 0:151a96a0fc95 55 lcd_.DisplayStringAt(5, 110, (uint8_t *)" ", LEFT_MODE);
wsteenberg 0:151a96a0fc95 56 } // End btn1 button instructions
tquang14 1:dcda1118b4ef 57 if (button1_pressed) { // Set when button is pressed
tquang14 1:dcda1118b4ef 58 button1_pressed = false;
tquang14 1:dcda1118b4ef 59 led = !led;
tquang14 1:dcda1118b4ef 60 char *tmp;
tquang14 1:dcda1118b4ef 61 sprintf(tmp, "Button pressed %d", idx++);
wsteenberg 0:151a96a0fc95 62 wait(0.5);
tquang14 1:dcda1118b4ef 63 lcd_.SetFont(&Font20);
tquang14 1:dcda1118b4ef 64
tquang14 1:dcda1118b4ef 65 lcd_.DisplayStringAt(5, 160, (uint8_t *)tmp, LEFT_MODE);
wsteenberg 0:151a96a0fc95 66 wait(0.5);
tquang14 1:dcda1118b4ef 67 } // End 3D button instructions
wsteenberg 0:151a96a0fc95 68 wait(0.02f);
wsteenberg 0:151a96a0fc95 69 } // End Main program loop
wsteenberg 0:151a96a0fc95 70 } // End Main program