#include <stdio.h>
#include "libvxi11client.h"

#define IDENTIFY "*IDN?"

static char* geterrorstring(int errorcode) {
	switch (errorcode) {
		case 0:
			return "invalid state (not connected) or no response from server";
		case -8:
			return "operation not supported";
		default:
			return "unknown error code";
	}
}

int main(int argc, char *argv[]) {

	printf("VXI-11 test client\n");

	if (argc != 2) {
		printf("usage; %s <host>\n", argv[0]);
		exit(1);
	}

	int err = 0;

	if ((err = vxi11_open(argv[1], NULL)) > 0) {

		// write some bytes
		int byteswritten = vxi11_write(IDENTIFY, sizeof(IDENTIFY), false);
		if (byteswritten >= 0)
			printf("Wrote %d bytes\n", byteswritten);
		else
			printf("Error writing data\n");

		// read some bytes
		int bytesread = vxi11_read(NULL, 0, false, false, 0);
		if (bytesread >= 0)
			printf("Read %d bytes\n", bytesread);
		else
			printf("Error reading data\n");

		// trigger
		if (vxi11_trigger() > 0)
			printf("triggered\n");

		// clear
		if (vxi11_clear() > 0)
			printf("cleared\n");

		// abort
		if ((err = vxi11_abort()) > 0)
			printf("aborted\n");
		else
			printf("abort failed; %s\n", geterrorstring(err));

		// lock
		if ((err = vxi11_lock()) > 0)
			printf("locked\n");

		// unlock
		if ((err = vxi11_unlock()) > 0)
			printf("unlocked\n");

		// remote
		if ((err = vxi11_remote()) > 0)
			printf("remote'd\n");

		// local
		if ((err = vxi11_local()) > 0)
			printf("local'd\n");

		// read the status byte
		int statusbyte = vxi11_readstatusbyte();
		if (statusbyte >= 0)
			printf("Status byte is 0x%02x\n", statusbyte);
		else
			printf("Error reading status byte\n");

		// create interrupt channel
		err = vxi11_create_intr_chan();

		// destroy interrupt channel
		if ((err = vxi11_destroy_intr_chan()) > 0)
			printf("destroyed interrupt channel\n");
		else
			printf("Error destroying interrupt channel; %s\n", geterrorstring(err));

		// docmd
		if ((err = vxi11_docmd(0x00)) > 0)
			printf("did command, should fail!\n");
		else
			printf("Error calling docmd; %s\n", geterrorstring(err));

		// close
		if ((err = vxi11_close() > 0))
			printf("Closed\n");
	}
	else {
		printf("Error opening device; %s\n", geterrorstring(err));
		exit(1);
	}
	return 0;
}