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9 years, 1 month ago.
I am trying to toggle D1 pin, but it remains low only, how to toggle pin D1 ?
- include "mbed.h"
DigitalOut myled(LED1);
DigitalOut LCD_D0(D0); DigitalOut LCD_D1(D1); DigitalOut LCD_D2(D2); DigitalOut LCD_D3(D3); DigitalOut LCD_D4(D4); DigitalOut LCD_D5(D5); DigitalOut LCD_D6(D6); DigitalOut LCD_D7(D7); DigitalOut LCD_D8(D8); DigitalOut LCD_D9(D9); DigitalOut LCD_D10(D10); DigitalOut LCD_D11(D11); DigitalOut LCD_D12(D12); DigitalOut LCD_D13(D13); DigitalOut LCD_D14(D14); DigitalOut LCD_D15(D15);
int main() { while(1) { myled = 1; LED is ON wait(0.2); 200 ms myled = 0; LED is OFF wait(1.0); 1 sec
LCD_D2 = 1; D2 = 1 LCD_D1 = 1; D1 = 1 wait(3); 3 sec LCD_D2 = 0; D2 = 0 LCD_D1 = 0; D1 = 0 wait(3); 3 sec } }
above code toggles D2 but not D1, D1 remains low, how to toggle pin D1? same is the case for D0
Question relating to:
2 Answers
9 years, 1 month ago.
If I recall correctly D0 and D1 are by default not connected. You can see if the Nucleo manual says something about it.
9 years, 1 month ago.
You must use "<<code>> and <</code>>
" tags to make your program readable on this forum...
#include "mbed.h" DigitalOut myled(LED1); DigitalOut LCD_D0(D0); DigitalOut LCD_D1(D1); DigitalOut LCD_D2(D2); DigitalOut LCD_D3(D3); DigitalOut LCD_D4(D4); DigitalOut LCD_D5(D5); DigitalOut LCD_D6(D6); DigitalOut LCD_D7(D7); DigitalOut LCD_D8(D8); DigitalOut LCD_D9(D9); DigitalOut LCD_D10(D10); DigitalOut LCD_D11(D11); DigitalOut LCD_D12(D12); DigitalOut LCD_D13(D13); DigitalOut LCD_D14(D14); DigitalOut LCD_D15(D15); int main() { while(1) { myled = 1; // LED is ON wait(0.2); //200 ms myled = 0; //LED is OFF wait(1.0); //1 sec LCD_D2 = 1; LCD_D1 = 1; wait(3); LCD_D2 = 0; LCD_D1 = 0; wait(3); } }
It have to works...