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/* Copyright 2012 Brian Swetland <swetland@frotz.net>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <stdio.h>

#include <stdlib.h>

#include <ctype.h>

#include "jtag.h"

#define VIR_CTRL        0x0

#define VIR_ADDR        0x1

#define VIR_DATA        0x2

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

        unsigned bits;

        char buf[1024];

        FILE *fp;

        if (argc != 2) {

                fprintf(stderr,"usage: download hexfile\n");

                return -1;

        }

        if (jtag_open_virtual_device(0x00))

                return -1;

        fp = fopen(argv[1],"r");

        if (!fp) return -1;

        jtag_vir(VIR_CTRL);

        jtag_vdr(32, 1, 0);

        jtag_vir(VIR_ADDR);

        jtag_vdr(32, 0, 0);

        jtag_vir(VIR_DATA);

        while (fgets(buf, 1024, fp)) {

                if(buf[0] == '/') continue;

                if(isspace(buf[0])) continue;

                bits = strtoul(buf, 0, 16);

                jtag_vdr(32, bits, 0);

        }

        jtag_vir(VIR_CTRL);

        jtag_vdr(32, 0, 0);

        return 0;

}