WiringPi onT4
Posted: Wed Sep 04, 2019 12:46 pm
Hi all,
I notice that PinMode (from wiringPi library version wiringpi-v2.44-friendlyelec-rk3399.deb ) does not work on some pin's on T4. All GPIO3_X can not be set as output.
My ridiculous test is :
the result from gpio readall:
What is happening ?
I notice that PinMode (from wiringPi library version wiringpi-v2.44-friendlyelec-rk3399.deb ) does not work on some pin's on T4. All GPIO3_X can not be set as output.
My ridiculous test is :
#include <wiringPi.h>
int main(void)
{
wiringPiSetup() ;
pinMode (6, INPUT) ;
pinMode (5, OUTPUT) ;
pinMode (25, OUTPUT) ;
pinMode (28, OUTPUT) ;
pinMode (29, OUTPUT) ;
for(;;)
{
digitalWrite(5, HIGH) ;
digitalWrite(25, HIGH) ;
digitalWrite(28, HIGH) ;
digitalWrite(29, HIGH) ;
delay (10) ;
digitalWrite(5, LOW) ;
digitalWrite(25, LOW) ;
digitalWrite(28, LOW) ;
digitalWrite(29, LOW) ;
delay (200) ;
}
}
the result from gpio readall:
| Physical | V | Mode | Name | wPi | GPIO |
| 18 | 0 | OUT | GPIO1_C7 | 5 | 55 |
| 22 | 1 | IN | GPIO1_D0 | 6 | 56 |
| 37 | 0 | IN | GPIO3_D4 | 25 | 124 |
| 38 | 0 | IN | GPIO3_D5 | 28 | 125 |
| 40 | 0 | IN | GPIO3_D6 | 29 | 126 |
What is happening ?