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Example program that uses the color LED of the mbed application shield with ST Nucleo board
Revision 3:efff8b39e765, committed 2020-11-10
- Comitter:
- pathae
- Date:
- Tue Nov 10 14:10:47 2020 +0000
- Parent:
- 2:0bc5af6c7ebf
- Commit message:
- lcd
Changed in this revision
TextLCD.lib | Show annotated file Show diff for this revision Revisions of this file |
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Tue Nov 10 14:10:47 2020 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#308d188a2d3a
--- a/main.cpp Wed Aug 17 09:58:13 2016 +0000 +++ b/main.cpp Tue Nov 10 14:10:47 2020 +0000 @@ -1,17 +1,66 @@ #include "mbed.h" +#include "TextLCD.h" +#define btnRIGHT 0 +#define btnUP 1 +#define btnDOWN 2 +#define btnLEFT 3 +#define btnSELECT 4 +#define btnNONE 5 -DigitalOut red(LED1); -DigitalOut blue(LED2); -DigitalOut green(LED3); -int i; +Serial pc (SERIAL_TX, SERIAL_RX); +DigitalOut myled(LED1); +AnalogIn analog_value(A0); +TextLCD lcd(D8,D9,D4,D5,D6,D7); -int main() { - while(1) { - for (i=1; i<7; i++) { - red = i & 1; - blue = i & 2; - green = i & 4; - wait(0.2); - } + float meas; +int read_LCD_buttons(){ + meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0) + meas = meas * 3300; // Change the value to be in the 0 to 3300 range + if (meas > 3300) return btnNONE; + if (meas < 50) return btnRIGHT; + if ((meas > 900)&&( meas < 1300)) return btnUP; + if ((meas > 1800)&&( meas < 2200)) return btnDOWN; + if ((meas > 2800)&&( meas < 3200)) return btnLEFT; + return btnNONE; } + +int main() +{ + int lcd_key; + lcd.printf("NUCLEO F103RB"); + while(1) + { + wait_ms(200); + lcd_key = read_LCD_buttons(); // read the buttons + switch (lcd_key){ // depending on which button was pushed, we perform an action + case btnRIGHT:{ // push button "RIGHT" and show the word on the screen + lcd.locate(4,1); + lcd.printf("RIGHT "); + break;} + case btnLEFT:{ + lcd.locate(4,1); + lcd.printf("LEFT "); // push button "LEFT" and show the word on the screen + break;} + case btnUP:{ + lcd.locate(4,1); + lcd.printf("UP "); // push button "UP" and show the word on the screen + break;} + case btnDOWN:{ + lcd.locate(4,1); + lcd.printf("DOWN "); // push button "DOWN" and show the word on the screen + break;} + case btnSELECT:{ + lcd.locate(4,1); + lcd.printf("SELECT"); // push button "SELECT" and show the word on the screen + break;} + case btnNONE:{ + lcd.locate(4,1); + lcd.printf("NONE "); // No action will show "None" on the screen + break;} + } } +} + + + + \ No newline at end of file