Initial commit for N3xx development.

- Creates mpm/ subdirectory
- First pass at hardware daemon/MPM
- New code for LMK04828, AD9371
- spidev integration

Contributions by:

Martin Braun <martin.braun@ettus.com>
Derek Kozel <derek.kozel@ettus.com>
Mark Meserve <mark.meserve@ni.com>
Andrej Rode <andrej.rode@ettus.com>

1 files changed, 79 insertions, 0 deletions

diff --git a/mpm/tests/tests_spi_iface.cpp b/mpm/tests/tests_spi_iface.cpp
new file mode 100644
index 000000000..fe97b5971
--- /dev/null
+++ b/mpm/tests/tests_spi_iface.cpp
@@ -0,0 +1,79 @@
+//
+// 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/tests/tests_spi_iface.hpp>
+
+       /**************************************************************************
+         * spi_iface API calls
+         *************************************************************************/
+namespace mpm{
+
+    void tests_spi_iface::write_byte(
+            const uint16_t addr,
+            const uint8_t data
+            ) {
+            _regs[addr] = data;
+        }
+
+    void tests_spi_iface::write_bytes(
+            const uint16_t *addr,
+            const uint8_t *data,
+            const uint32_t count
+            ) {
+            for (size_t i = 0; i < count; i++) {
+                _regs[addr[i]] = data[i];
+            }
+        }
+
+    uint8_t tests_spi_iface::read_byte(const uint16_t addr)
+        {
+            if (_regs.count(addr)) {
+                return _regs.at(addr);
+            }
+            return _default_val;
+        }
+
+    void tests_spi_iface::write_field(
+            const uint16_t addr,
+            const uint8_t field_val,
+            const uint8_t mask,
+            const uint8_t start_bit
+            ) {
+            const uint8_t old_value = read_byte(addr);
+            _regs[addr] = (old_value & ~mask) | ((field_val << start_bit) & mask);
+        }
+
+    uint8_t tests_spi_iface::read_field(
+            const uint16_t addr,
+            const uint8_t mask,
+            const uint8_t start_bit
+            ) {
+            return (read_byte(addr) & mask) >> start_bit;
+        }
+
+
+    spi_iface::spi_wire_mode_t tests_spi_iface::get_wire_mode() const{
+        return spi_iface::spi_wire_mode_t::THREE_WIRE_MODE;
+    }
+
+    spi_iface::spi_endianness_t tests_spi_iface::get_endianness() const{
+        return spi_iface::spi_endianness_t::LSB_FIRST;
+    }
+    size_t tests_spi_iface::get_chip_select() const{
+        return 0;
+    }
+}