mem.c (1209B)
1 // Copyright 2014 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 #include <stdio.h> 16 #include <stdlib.h> 17 #include <string.h> 18 19 #include <unistd.h> 20 #include <fcntl.h> 21 22 #include "dap.h" 23 24 int main(int argc, char **argv) { 25 JTAG *jtag; 26 DAP *dap; 27 28 if (argc < 2) return -1; 29 30 if (jtag_mpsse_open(&jtag)) return -1; 31 if ((dap = dap_init(jtag, 0x4ba00477)) == NULL) return -1; 32 if (dap_attach(dap)) return -1; 33 34 if (argc == 2) { 35 u32 x; 36 if (dap_mem_rd32(dap, 0, strtoul(argv[1], 0, 0), &x)) return -1; 37 printf("%08x\n", x); 38 } else if (argc == 3) { 39 return dap_mem_wr32(dap, 0, strtoul(argv[1], 0, 0), strtoul(argv[2], 0, 0)); 40 } else { 41 return -1; 42 } 43 return 0; 44 } 45