diff options
| -rw-r--r-- | host/lib/usrp/cores/spi_core_3000.cpp | 19 | ||||
| -rw-r--r-- | host/lib/usrp/cores/spi_core_3000.hpp | 7 |
2 files changed, 23 insertions, 3 deletions
diff --git a/host/lib/usrp/cores/spi_core_3000.cpp b/host/lib/usrp/cores/spi_core_3000.cpp index d33624b0d..01df71cec 100644 --- a/host/lib/usrp/cores/spi_core_3000.cpp +++ b/host/lib/usrp/cores/spi_core_3000.cpp @@ -20,9 +20,10 @@ #include <uhd/utils/msg.hpp> #include <boost/thread/thread.hpp> //sleep -#define SPI_DIV _base + 0 -#define SPI_CTRL _base + 4 -#define SPI_DATA _base + 8 +#define SPI_DIV _base + 0 +#define SPI_CTRL _base + 4 +#define SPI_DATA _base + 8 +#define SPI_SHUTDOWN _base + 12 using namespace uhd; @@ -91,6 +92,17 @@ public: return 0; } + void set_shutdown(const bool shutdown) + { + _shutdown_cache = shutdown; + _iface->poke32(SPI_SHUTDOWN, _shutdown_cache); + } + + bool get_shutdown() + { + return(_shutdown_cache); + } + void set_divider(const double div) { _div = size_t((div/2) - 0.5); @@ -102,6 +114,7 @@ private: const size_t _base; const size_t _readback; boost::uint32_t _ctrl_word_cache; + bool _shutdown_cache; boost::mutex _mutex; size_t _div; size_t _divider_cache; diff --git a/host/lib/usrp/cores/spi_core_3000.hpp b/host/lib/usrp/cores/spi_core_3000.hpp index 6a439772e..8d5177196 100644 --- a/host/lib/usrp/cores/spi_core_3000.hpp +++ b/host/lib/usrp/cores/spi_core_3000.hpp @@ -36,6 +36,13 @@ public: //! Set the spi clock divider to something usable virtual void set_divider(const double div) = 0; + + //! Place SPI core in shutdown mode. All attempted SPI transactions are dropped by + // the core. + virtual void set_shutdown(const bool shutdown) = 0; + + //! Get state of shutdown register + virtual bool get_shutdown() = 0; }; #endif /* INCLUDED_LIBUHD_USRP_SPI_CORE_3000_HPP */ |