/* * USRP - Universal Software Radio Peripheral * * Copyright (C) 2003 Free Software Foundation, Inc. * * This program is free software; 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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA */ #include "usrp_common.h" // These are the tables generated by the Cypress GPIF Designer extern const char WaveData[128]; extern const char FlowStates[36]; extern const char InitData[7]; // The tool is kind of screwed up, in that it doesn't configure some // of the ports correctly. We just use their tables and handle the // initialization ourselves. They also declare that their static // initialized data is in xdata, which screws us too. void init_gpif (void) { // we've already setup IFCONFIG before calling this... GPIFABORT = 0xFF; // abort any waveforms pending SYNCDELAY; GPIFREADYCFG = InitData[ 0 ]; GPIFCTLCFG = InitData[ 1 ]; GPIFIDLECS = InitData[ 2 ]; GPIFIDLECTL = InitData[ 3 ]; // Hmmm, what's InitData[ 4 ] ... GPIFWFSELECT = InitData[ 5 ]; // GPIFREADYSTAT = InitData[ 6 ]; // I think this register is read only... { BYTE i; for (i = 0; i < 128; i++){ GPIF_WAVE_DATA[i] = WaveData[i]; } } FLOWSTATE = 0; /* ensure it's off */ }