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[/] [xulalx25soc/] [trunk/] [sw/] [wbregs.cpp] - Rev 5
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//////////////////////////////////////////////////////////////////////////////// // // Filename: wbregs.cpp // // Project: XuLA2 board // // Purpose: To give a user access, via a command line program, to read // and write wishbone registers one at a time. Thus this program // implements readio() and writeio() but nothing more. // // // Creator: Dan Gisselquist, Ph.D. // Gisselquist Technology, LLC // //////////////////////////////////////////////////////////////////////////////// // // Copyright (C) 2015, Gisselquist Technology, LLC // // This program is free software (firmware): you can redistribute it and/or // modify it under the terms of the GNU General Public License as published // by the Free Software Foundation, either version 3 of the License, or (at // your option) any later version. // // This program is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // License: GPL, v3, as defined and found on www.gnu.org, // http://www.gnu.org/licenses/gpl.html // // //////////////////////////////////////////////////////////////////////////////// // // // // #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <strings.h> #include <ctype.h> #include <string.h> #include <signal.h> #include <assert.h> #include "llcomms.h" #include "usbi.h" #include "port.h" #include "regdefs.h" FPGA *m_fpga; void closeup(int v) { m_fpga->kill(); exit(0); } int main(int argc, char **argv) { int skp=0, port = FPGAPORT; bool use_usb = true; skp=1; for(int argn=0; argn<argc-skp; argn++) { if (argv[argn+skp][0] == '-') { if (argv[argn+skp][1] == 'u') use_usb = true; else if (argv[argn+skp][1] == 'p') { use_usb = false; if (isdigit(argv[argn+skp][2])) port = atoi(&argv[argn+skp][2]); } skp++; argn--; } else argv[argn] = argv[argn+skp]; } argc -= skp; if (use_usb) m_fpga = new FPGA(new USBI()); else m_fpga = new FPGA(new NETCOMMS(FPGAHOST, port)); signal(SIGSTOP, closeup); signal(SIGHUP, closeup); if ((argc < 1)||(argc > 2)) { // usage(); printf("USAGE: wbregs address [value]\n"); exit(-1); } const char *nm; unsigned address = addrdecode(argv[0]), value; nm = addrname(address); if (nm == NULL) nm = "no name"; if (argc < 2) { FPGA::BUSW v; try { unsigned char a, b, c, d; v = m_fpga->readio(address); a = (v>>24)&0x0ff; b = (v>>16)&0x0ff; c = (v>> 8)&0x0ff; d = (v )&0x0ff; printf("%08x (%8s) : [%c%c%c%c] %08x\n", address, nm, isgraph(a)?a:'.', isgraph(b)?b:'.', isgraph(c)?c:'.', isgraph(d)?d:'.', v); } catch(BUSERR b) { printf("%08x (%8s) : BUS-ERROR\n", address, nm); } } else { value = strtoul(argv[1], NULL, 0); m_fpga->writeio(address, value); printf("%08x (%8s)-> %08x\n", address, nm, value); } if (m_fpga->poll()) printf("FPGA was interrupted\n"); delete m_fpga; }