@@ -46,7 +46,7 @@ int main (void) { | |||
printf(" testing pullUpDnControl and pinMode PM_OFF\n"); | |||
if (wiringPiSetupSys() == -1) { | |||
printf("wiringPiSetupGpioDevice failed\n\n"); | |||
printf("wiringPiSetupSys failed\n\n"); | |||
exit(EXIT_FAILURE); | |||
} | |||
pinMode(GPIOIN, INPUT); | |||
@@ -0,0 +1,80 @@ | |||
// WiringPi test program: Kernel char device interface / sysfs successor | |||
// Compile: gcc -Wall wiringpi_test3_device.c -o wiringpi_test3_device -lwiringPi | |||
#include <wiringPi.h> | |||
#include <stdio.h> | |||
#include <stdlib.h> | |||
#include <signal.h> | |||
#include <string.h> | |||
#include <time.h> | |||
#include <sys/time.h> | |||
const int GPIO = 24; //BCM 19 | |||
const int GPIOIN = 25; //BCM 26; | |||
const int ToggleValue = 4; | |||
void CheckGPIO(int out) { | |||
int in = digitalRead(GPIOIN); | |||
int read = digitalRead(GPIO); | |||
int pass = 0; | |||
if (out==in && in==read) { | |||
pass = 1; | |||
} | |||
printf("GPIO%d = %d (GPIO%d = %d) -> %s\n", GPIOIN, in, GPIO, read, pass ? "passed":"failed" ); | |||
} | |||
void digitalWriteEx(int pin, int mode) { | |||
digitalWrite(pin, mode); | |||
printf("out = %d ", mode); | |||
delayMicroseconds(5000); | |||
CheckGPIO(mode); | |||
} | |||
void pullUpDnControlEx (int pin ,int mode) { | |||
pullUpDnControl (pin, mode); | |||
int out = mode==PUD_UP ? 1:0; | |||
printf("in = %4s ", mode==PUD_UP ? "up":"down"); | |||
delayMicroseconds(5000); | |||
CheckGPIO(out); | |||
} | |||
int main (void) { | |||
printf("WiringPi GPIO test program 2 (using WiringPi GPIO%d (output) and GPIO%d (input) via GPIO device)\n", GPIO, GPIOIN); | |||
printf(" testing pullUpDnControl and pinMode PM_OFF\n"); | |||
if (wiringPiSetupGpioDevice(WPI_PIN_WPI) == -1) { | |||
printf("wiringPiSetupGpioDevice failed\n\n"); | |||
exit(EXIT_FAILURE); | |||
} | |||
pinMode(GPIOIN, INPUT); | |||
pinMode(GPIO, OUTPUT); | |||
printf("\nTest output\n"); | |||
digitalWriteEx(GPIO, HIGH); | |||
delayMicroseconds(600000); | |||
digitalWriteEx(GPIO, LOW); | |||
delayMicroseconds(600000); | |||
printf("\nTest output off with pull up\n"); | |||
pinMode(GPIO, OUTPUT); | |||
digitalWriteEx(GPIO, LOW); | |||
pullUpDnControl (GPIO, PUD_UP); | |||
pinMode(GPIO, PM_OFF); | |||
delayMicroseconds(600000); | |||
printf("out = off "); | |||
CheckGPIO(HIGH); | |||
delayMicroseconds(600000); | |||
printf("\nTest output off with pull down\n"); | |||
pullUpDnControl (GPIO, PUD_DOWN); | |||
pinMode(GPIO, PM_OFF); | |||
delayMicroseconds(600000); | |||
printf("out = off "); | |||
CheckGPIO(LOW); | |||
delayMicroseconds(600000); | |||
return(EXIT_SUCCESS); | |||
} |
@@ -0,0 +1,80 @@ | |||
// WiringPi test program: Kernel char device interface / sysfs successor | |||
// Compile: gcc -Wall wiringpi_test4_device.c -o wiringpi_test4_device -lwiringPi | |||
#include <wiringPi.h> | |||
#include <stdio.h> | |||
#include <stdlib.h> | |||
#include <signal.h> | |||
#include <string.h> | |||
#include <time.h> | |||
#include <sys/time.h> | |||
const int GPIO = 35; //BCM 19 | |||
const int GPIOIN = 37; //BCM 26; | |||
const int ToggleValue = 4; | |||
void CheckGPIO(int out) { | |||
int in = digitalRead(GPIOIN); | |||
int read = digitalRead(GPIO); | |||
int pass = 0; | |||
if (out==in && in==read) { | |||
pass = 1; | |||
} | |||
printf("GPIO%d = %d (GPIO%d = %d) -> %s\n", GPIOIN, in, GPIO, read, pass ? "passed":"failed" ); | |||
} | |||
void digitalWriteEx(int pin, int mode) { | |||
digitalWrite(pin, mode); | |||
printf("out = %d ", mode); | |||
delayMicroseconds(5000); | |||
CheckGPIO(mode); | |||
} | |||
void pullUpDnControlEx (int pin ,int mode) { | |||
pullUpDnControl (pin, mode); | |||
int out = mode==PUD_UP ? 1:0; | |||
printf("in = %4s ", mode==PUD_UP ? "up":"down"); | |||
delayMicroseconds(5000); | |||
CheckGPIO(out); | |||
} | |||
int main (void) { | |||
printf("WiringPi GPIO test program 2 (using physical GPIO%d (output) and GPIO%d (input) via GPIO device)\n", GPIO, GPIOIN); | |||
printf(" testing pullUpDnControl and pinMode PM_OFF\n"); | |||
if (wiringPiSetupGpioDevice(WPI_PIN_PHYS) == -1) { | |||
printf("wiringPiSetupGpioDevice failed\n\n"); | |||
exit(EXIT_FAILURE); | |||
} | |||
pinMode(GPIOIN, INPUT); | |||
pinMode(GPIO, OUTPUT); | |||
printf("\nTest output\n"); | |||
digitalWriteEx(GPIO, HIGH); | |||
delayMicroseconds(600000); | |||
digitalWriteEx(GPIO, LOW); | |||
delayMicroseconds(600000); | |||
printf("\nTest output off with pull up\n"); | |||
pinMode(GPIO, OUTPUT); | |||
digitalWriteEx(GPIO, LOW); | |||
pullUpDnControl (GPIO, PUD_UP); | |||
pinMode(GPIO, PM_OFF); | |||
delayMicroseconds(600000); | |||
printf("out = off "); | |||
CheckGPIO(HIGH); | |||
delayMicroseconds(600000); | |||
printf("\nTest output off with pull down\n"); | |||
pullUpDnControl (GPIO, PUD_DOWN); | |||
pinMode(GPIO, PM_OFF); | |||
delayMicroseconds(600000); | |||
printf("out = off "); | |||
CheckGPIO(LOW); | |||
delayMicroseconds(600000); | |||
return(EXIT_SUCCESS); | |||
} |