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, 24 insertions, 0 deletions

diff --git a/mpm/include/lmk/lmk04828_spi_iface.hpp b/mpm/include/lmk/lmk04828_spi_iface.hpp
new file mode 100644
index 000000000..3338bd6d1
--- /dev/null
+++ b/mpm/include/lmk/lmk04828_spi_iface.hpp
@@ -0,0 +1,24 @@
+#include "lmk04828.hpp"
+#include "uhd/types/serial.hpp"
+
+class lmk04828_spi_iface
+{
+public:
+    lmk04828_spi_iface(uhd::spi_iface::sptr iface);
+    lmk04828_iface::write_fn_t get_write_fn();
+    lmk04828_iface::read_fn_t get_read_fn();
+
+private:
+    const int LMK_SPI_NUM_BITS = 24;
+    const int LMK_SPI_READ_FLAG = 1;
+    const int LMK_SPI_READ_FLAG_OFFSET = 23;
+    const int LMK_SPI_READ_ADDR_OFFSET = 8;
+    const int LMK_SPI_RESERVED_FIELD_MASK = ~(0x3 << 21);
+    const int DEFAULT_SLAVE = 1;
+
+    uhd::spi_iface::sptr _spi_iface;
+    uhd::spi_config_t config;
+
+    void spi_write(std::vector<uint32_t> writes);
+    uint8_t spi_read(uint32_t addr);
+};