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| author | Mark Meserve <mark.meserve@ni.com> | 2017-09-01 15:11:50 -0700 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2017-12-22 15:04:01 -0800 |
| commit | 01ddd50e55fae3382c1300616747fc9aebb39523 (patch) | |
| tree | f3fc5e98d7b38e47ae70256b310ac2e1d776045b /mpm/include | |
| parent | 2472134af0ead2472d441a71343348a03fc96808 (diff) | |
| download | uhd-01ddd50e55fae3382c1300616747fc9aebb39523.tar.gz uhd-01ddd50e55fae3382c1300616747fc9aebb39523.tar.bz2 uhd-01ddd50e55fae3382c1300616747fc9aebb39523.zip | |
mpm: spi: Added 16-bit SPI transactions
- Adds convenience method to read 16-bit SPI transactions
- Fixes peek16 in spi_regs_iface to actually use 16-bit transactions
Diffstat (limited to 'mpm/include')
| -rw-r--r-- | mpm/include/mpm/spi/spi_iface.hpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mpm/include/mpm/spi/spi_iface.hpp b/mpm/include/mpm/spi/spi_iface.hpp index d3f387ff3..1fc5f828c 100644 --- a/mpm/include/mpm/spi/spi_iface.hpp +++ b/mpm/include/mpm/spi/spi_iface.hpp @@ -39,6 +39,16 @@ namespace mpm { namespace spi { const uint32_t data ) = 0; + /*! Convenience function: SPI xfer is 24 bits write, 16 bits read. + * + * \param data The write data for this xfer + * + * \return 16 bits worth of the return xfer + */ + virtual uint32_t transfer24_16( + const uint32_t data + ) = 0; + /*! * \param device The path to the spidev used (e.g. "/dev/spidev0.0") * \param speed_hz Transaction speed in Hz |