examples/kerneltest/console/console.c
author Stefan@Sheldon
Mon, 20 Jun 2011 18:36:43 +0200
changeset 661 06494ae5b2b6
parent 467 40efa79d27dd
permissions -rw-r--r--
Removed unneccessary overhead introduced with the last fix.
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include "console.h"
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void showhelp(void) {
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	printf("\nCanFestival kernel test example console\n\n");
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	printf("start - start example\n");
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	printf("stop  - stop example\n");
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	printf("quit  - quit console\n");
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	printf("\n");
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}
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int main(int argc,char *argv[])
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{
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	int canf_ktest_dev, cmd;
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	char command[10];
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	char device_path[20] = "/dev/";
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	// create absolute path name for device
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	strcat (device_path, DEVICE_NAME);
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	canf_ktest_dev = open (device_path, O_WRONLY);
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	if (canf_ktest_dev == -1) {
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		perror ("Opening device");
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		return 1;
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	}
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	showhelp();
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	while (1) {
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		printf("> ");
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		scanf ("%s", &command);
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		if (strcmp(command,"start") == 0)
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			cmd = CMD_START;
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		else if (strcmp(command,"stop") == 0)
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			cmd = CMD_STOP;
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		else if (strcmp(command,"quit") == 0)
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			break;
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		else {
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			printf("Bad command\n");
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			continue;
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		}
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		write(canf_ktest_dev, &cmd, sizeof(cmd));
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	}
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	close(canf_ktest_dev);
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	return 0;
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}