diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2011-10-19 16:40:14 -0700 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2011-10-19 16:40:14 -0700 |
| commit | eb95f431badf197b249131a3119a92bd5317621b (patch) | |
| tree | 645854a7e1e6cf57fcae56f196a5d828b913555e /usrp2/firmware/lib/ad9777.c | |
| parent | e30b824e9165bff69f09121631c3d5a706cbbd39 (diff) | |
Removed usrp(2) directories.
Diffstat (limited to 'usrp2/firmware/lib/ad9777.c')
| -rw-r--r-- | usrp2/firmware/lib/ad9777.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/usrp2/firmware/lib/ad9777.c b/usrp2/firmware/lib/ad9777.c deleted file mode 100644 index 734ccd7e59..0000000000 --- a/usrp2/firmware/lib/ad9777.c +++ /dev/null @@ -1,47 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2007 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, see <http://www.gnu.org/licenses/>. - */ - -#include "ad9777.h" -#include "memory_map.h" -#include "spi.h" - -#define IB_RD 0x80 -#define IB_WR 0x00 -#define IB_XFER_1 0x00 -#define IB_XFER_2 0x20 -#define IB_XFER_3 0x40 -#define IB_XFER_4 0x60 -#define IB_ADDR_MASK 0x1f - -void -ad9777_write_reg(int regno, uint8_t value) -{ - uint8_t instr = IB_WR | IB_XFER_1 | (regno & IB_ADDR_MASK); - spi_transact(SPI_TXONLY, SPI_SS_AD9777, - (instr << 8) | (value & 0xff), 16, SPIF_PUSH_FALL); -} - -int -ad9777_read_reg(int regno) -{ - uint8_t instr = IB_RD | IB_XFER_1 | (regno & IB_ADDR_MASK); - uint32_t r = spi_transact(SPI_TXRX, SPI_SS_AD9777, - (instr << 8) | 0, 16, - SPIF_PUSH_FALL | SPIF_LATCH_RISE); - return r & 0xff; -} |