jinfo.c (950B)
1 /* Copyright 2012 Brian Swetland <swetland@frotz.net> 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include <stdio.h> 17 #include "jtag.h" 18 19 int main(int argc, char **argv) { 20 unsigned bits; 21 22 if (jtag_open() < 0) 23 return -1; 24 25 if (jtag_reset() < 0) 26 return -1; 27 if (jtag_dr(32, 0, &bits) < 0) 28 return -1; 29 fprintf(stderr,"IDCODE: %08x\n", bits); 30 31 if (jtag_open_virtual_device(0xffffffff)) 32 return -1; 33 34 jtag_close(); 35 return 0; 36 }