diff options
Diffstat (limited to 'mpm/lib/chips/lmk04828_spi_iface.cpp')
| -rw-r--r-- | mpm/lib/chips/lmk04828_spi_iface.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/mpm/lib/chips/lmk04828_spi_iface.cpp b/mpm/lib/chips/lmk04828_spi_iface.cpp new file mode 100644 index 000000000..6f21a0f46 --- /dev/null +++ b/mpm/lib/chips/lmk04828_spi_iface.cpp @@ -0,0 +1,40 @@ +// +// Copyright 2017 Ettus Research (National Instruments) +// +// 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 <mpm/chips/lmk04828_spi_iface.hpp> +#include <mpm/spi/spi_regs_iface.hpp> + +using namespace mpm::spi; + +static const int LMK_SPI_SPEED_HZ = 1000000; +static const size_t LMK_ADDR_SHIFT = 8; +static const size_t LMK_DATA_SHIFT = 0; +static const size_t LMK_READ_FLAG = 1 << 23; +static const size_t LMK_WRITE_FLAG = 0; + +mpm::types::regs_iface::sptr mpm::chips::make_lmk04828_iface( + const std::string &spi_device +) { + return make_spi_regs_iface( + spi_iface::make_spidev(spi_device, LMK_SPI_SPEED_HZ), + LMK_ADDR_SHIFT, + LMK_DATA_SHIFT, + LMK_READ_FLAG, + LMK_WRITE_FLAG + ); +} + |