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[/] [xulalx25soc/] [trunk/] [sw/] [cfgscope.cpp] - Rev 38
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//////////////////////////////////////////////////////////////////////////////// // // Filename: cfgscope.cpp // // Project: XuLA2 board // // Purpose: To read out, and decompose, the results of the wishbone scope // as applied to the ICAPE interaction on a SPARTAN6. // // // 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" #define WBSCOPE R_CFGSCOPE #define WBSCOPEDATA R_CFGSCOPED FPGA *m_fpga; void closeup(int v) { m_fpga->kill(); exit(0); } unsigned brev(const unsigned v) { unsigned int r, a; a = v; r = 0; for(int i=0; i<8; i++) { r <<= 1; r |= (a&1); a >>= 1; } return r; } unsigned wrev(const unsigned v) { unsigned r = brev(v&0x0ff); r |= brev((v>>8)&0x0ff)<<8; return r; } 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); unsigned v, lgln, scoplen; v = m_fpga->readio(WBSCOPE); if (0x60000000 != (v & 0x60000000)) { printf("Scope is not yet ready:\n"); printf("\tRESET:\t\t%s\n", (v&0x80000000)?"Ongoing":"Complete"); printf("\tSTOPPED:\t%s\n", (v&0x40000000)?"Yes":"No"); printf("\tTRIGGERED:\t%s\n", (v&0x20000000)?"Yes":"No"); printf("\tPRIMED:\t\t%s\n", (v&0x10000000)?"Yes":"No"); printf("\tMANUAL:\t\t%s\n", (v&0x08000000)?"Yes":"No"); printf("\tDISABLED:\t%s\n", (v&0x04000000)?"Yes":"No"); printf("\tZERO:\t\t%s\n", (v&0x02000000)?"Yes":"No"); exit(0); } else printf("SCOPD = %08x\n", v); lgln = (v>>20) & 0x1f; scoplen = (1<<lgln); DEVBUS::BUSW *buf; buf = new DEVBUS::BUSW[scoplen]; if (false) { m_fpga->readz(WBSCOPEDATA, scoplen, buf); } else { for(unsigned int i=0; i<scoplen; i++) buf[i] = m_fpga->readio(WBSCOPEDATA); } for(unsigned int i=0; i<scoplen; i++) { if ((i>0)&&(buf[i] == buf[i-1])&& (i<scoplen-1)&&(buf[i] == buf[i+1])) continue; printf("%6d %08x:", i, buf[i]); printf("S(%x) ", (buf[i]>>27)&0x0f); if (buf[i] & 0x40000000) printf("W "); else printf("R "); printf("WB(%s%s%s%s%s)-%s%s%s%s%s", (buf[i]&0x2000000)?"CYC":" ", (buf[i]&0x1000000)?"STB":" ", (buf[i]&0x0800000)?"WE":" ", (buf[i]&0x0400000)?"ACK":" ", (buf[i]&0x0200000)?"STL":" ", (buf[i]&0x0100000)?"EDG":" ", (buf[i]&0x0080000)?"CLK":" ", (buf[i]&0x0040000)?" ":"CEn", (buf[i]&0x0020000)?"BSY":" ", (buf[i]&0x0010000)?" ":"WE"); if (buf[i]&0x10000) printf("->"); // Read else printf("<-"); printf(" %04x\n", wrev(buf[i] & 0x0ffff)); } if (m_fpga->poll()) { printf("FPGA was interrupted\n"); m_fpga->clear(); } delete m_fpga; }
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