3 * Copyright 2008 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/>.
21 #include <memory_map.h>
27 ad9510_write_reg(int regno, uint8_t value)
29 uint32_t inst = WR | (regno & 0xff);
30 uint32_t v = (inst << 8) | (value & 0xff);
31 spi_transact(SPI_TXONLY, SPI_SS_AD9510, v, 24, SPIF_PUSH_FALL);
35 ad9510_read_reg(int regno)
37 uint32_t inst = RD | (regno & 0xff);
38 uint32_t v = (inst << 8) | 0;
39 uint32_t r = spi_transact(SPI_TXRX, SPI_SS_AD9510, v, 24,
40 SPIF_PUSH_FALL | SPIF_LATCH_FALL);