54 lines
936 B
C
54 lines
936 B
C
/*
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* switch.c
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* How to register an button and count this
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* author: Simon Wörner, Manuel Vögele,
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* Siegfried Kienzle
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* 24-March-2017
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*
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* */
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#define PIN01 ((char *) "1\n")
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#define PIN12 ((char *) "12\n")
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#define PIN11 ((char *) "11\n")
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#define PIN06 ((char *) "6\n")
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#define IN ((char *)"in\n")
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#define OUT ((char *)"out\n")
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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int reserve(char* gpioPort)
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{
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int fd;
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char buffer[2];
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printf("%s", gpioPort);
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strcpy(buffer, gpioPort );
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if((fd=open("/sys/class/gpio/export", O_RDWR | O_CREAT | O_TRUNC) == -1)) {
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perror(NULL);
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return EXIT_FAILURE;
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}
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if(write(fd, &buffer, sizeof(buffer)) == -1) {
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perror("Cannot write into file");
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return EXIT_FAILURE;
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}
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printf("Success");
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close(fd);
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return EXIT_SUCCESS;
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}
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int inOut(char gpioPort, char * inOut)
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{
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}
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int main()
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{
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reserve(PIN06);
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return 0;
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}
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