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