3 * Copyright 2009 Free Software Foundation, Inc.
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <usrp2/usrp2.h>
28 main(int argc, char **argv)
30 usrp2::usrp2::sptr u2 = usrp2::usrp2::make("eth0");
32 // Set io_tx[15] as FPGA output
33 u2->set_gpio_ddr(usrp2::GPIO_TX_BANK, 0x8000, 0x8000);
35 // Set io_tx[15] under host sofware control
36 u2->set_gpio_sels(usrp2::GPIO_TX_BANK, "s...............");
40 u2->write_gpio(usrp2::GPIO_TX_BANK, v, 0x8000);
44 u2->read_gpio(usrp2::GPIO_TX_BANK, &v);
45 printf("TX GPIO read: %04X\n", v);