58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
// WiringPi test program: Kernel char device interface / sysfs successor
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// Compile: gcc -Wall wiringpi_test3_device.c -o wiringpi_test3_device -lwiringPi
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#include "wpi_test.h"
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#include <signal.h>
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#include <time.h>
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#include <sys/time.h>
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int GPIO = 24; //BCM 19
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int GPIOIN = 25; //BCM 26;
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const int ToggleValue = 4;
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int main (void) {
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printf("WiringPi GPIO test program 2 (using WiringPi GPIO%d (output) and GPIO%d (input) via GPIO device)\n", GPIO, GPIOIN);
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printf(" testing pullUpDnControl and pinMode PM_OFF\n");
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if (wiringPiSetupGpioDevice(WPI_PIN_WPI) == -1) {
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printf("wiringPiSetupGpioDevice failed\n\n");
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exit(EXIT_FAILURE);
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}
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if (!piBoard40Pin()) {
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GPIO = 4; //BCM 23
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GPIOIN = 5; //BCM 24
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}
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pinMode(GPIOIN, INPUT);
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pinMode(GPIO, OUTPUT);
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printf("\nTest output\n");
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digitalWriteEx(GPIO, GPIOIN, HIGH);
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delayMicroseconds(600000);
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digitalWriteEx(GPIO, GPIOIN, LOW);
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delayMicroseconds(600000);
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printf("\nTest output off with pull up\n");
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pinMode(GPIO, OUTPUT);
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digitalWriteEx(GPIO, GPIOIN, LOW);
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pullUpDnControl (GPIO, PUD_UP);
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pinMode(GPIO, PM_OFF);
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delayMicroseconds(600000);
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printf("out = off ");
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CheckGPIO(GPIO, GPIOIN, HIGH);
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delayMicroseconds(600000);
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printf("\nTest output off with pull down\n");
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pullUpDnControl (GPIO, PUD_DOWN);
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pinMode(GPIO, PM_OFF);
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delayMicroseconds(600000);
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printf("out = off ");
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CheckGPIO(GPIO, GPIOIN, LOW);
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delayMicroseconds(600000);
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return UnitTestState();
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}
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