diff options
Diffstat (limited to 'host/lib/usrp_clock')
| -rw-r--r-- | host/lib/usrp_clock/CMakeLists.txt | 8 | ||||
| -rw-r--r-- | host/lib/usrp_clock/usrp_clock_c.cpp | 175 |
2 files changed, 182 insertions, 1 deletions
diff --git a/host/lib/usrp_clock/CMakeLists.txt b/host/lib/usrp_clock/CMakeLists.txt index 8a58aa9ac..ba0f5fe0a 100644 --- a/host/lib/usrp_clock/CMakeLists.txt +++ b/host/lib/usrp_clock/CMakeLists.txt @@ -1,5 +1,5 @@ # -# Copyright 2011-2014 Ettus Research LLC +# Copyright 2011-2015 Ettus Research LLC # # 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 @@ -23,4 +23,10 @@ LIBUHD_APPEND_SOURCES( ${CMAKE_CURRENT_SOURCE_DIR}/multi_usrp_clock.cpp ) +IF(ENABLE_C_API) + LIBUHD_APPEND_SOURCES( + ${CMAKE_CURRENT_SOURCE_DIR}/usrp_clock_c.cpp + ) +ENDIF(ENABLE_C_API) + INCLUDE_SUBDIRECTORY(octoclock) diff --git a/host/lib/usrp_clock/usrp_clock_c.cpp b/host/lib/usrp_clock/usrp_clock_c.cpp new file mode 100644 index 000000000..b55abc852 --- /dev/null +++ b/host/lib/usrp_clock/usrp_clock_c.cpp @@ -0,0 +1,175 @@ +/* + * Copyright 2015 Ettus Research LLC + * + * 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/>. + */ + +/* C-Interface for multi_usrp_clock */ + +#include <uhd/utils/static.hpp> +#include <uhd/usrp_clock/multi_usrp_clock.hpp> + +#include <uhd/usrp_clock/usrp_clock.h> + +#include <boost/foreach.hpp> +#include <boost/thread/mutex.hpp> + +#include <string.h> +#include <map> + +/**************************************************************************** + * Registry / Pointer Management + ***************************************************************************/ +/* Public structs */ +struct uhd_usrp_clock { + size_t usrp_clock_index; + std::string last_error; +}; + +/* Not public: We use this for our internal registry */ +struct usrp_clock_ptr { + uhd::usrp_clock::multi_usrp_clock::sptr ptr; + static size_t usrp_clock_counter; +}; +size_t usrp_clock_ptr::usrp_clock_counter = 0; +typedef struct usrp_clock_ptr usrp_clock_ptr; +/* Prefer map, because the list can be discontiguous */ +typedef std::map<size_t, usrp_clock_ptr> usrp_clock_ptrs; + +UHD_SINGLETON_FCN(usrp_clock_ptrs, get_usrp_clock_ptrs); +/* Shortcut for accessing the underlying USRP clock sptr from a uhd_usrp_clock_handle* */ +#define USRP_CLOCK(h_ptr) (get_usrp_clock_ptrs()[h_ptr->usrp_clock_index].ptr) + +/**************************************************************************** + * Generate / Destroy API calls + ***************************************************************************/ +static boost::mutex _usrp_clock_make_mutex; +uhd_error uhd_usrp_clock_make( + uhd_usrp_clock_handle *h, + const char *args +){ + UHD_SAFE_C( + boost::mutex::scoped_lock lock(_usrp_clock_make_mutex); + + size_t usrp_clock_count = usrp_clock_ptr::usrp_clock_counter; + usrp_clock_ptr::usrp_clock_counter++; + + // Initialize USRP Clock + uhd::device_addr_t device_addr(args); + usrp_clock_ptr P; + P.ptr = uhd::usrp_clock::multi_usrp_clock::make(device_addr); + + // Dump into registry + get_usrp_clock_ptrs()[usrp_clock_count] = P; + + // Update handle + (*h) = new uhd_usrp_clock; + (*h)->usrp_clock_index = usrp_clock_count; + ) +} + +static boost::mutex _usrp_clock_free_mutex; +uhd_error uhd_usrp_clock_free( + uhd_usrp_clock_handle *h +){ + UHD_SAFE_C( + boost::mutex::scoped_lock lock(_usrp_clock_free_mutex); + + if(!get_usrp_clock_ptrs().count((*h)->usrp_clock_index)){ + return UHD_ERROR_INVALID_DEVICE; + } + + get_usrp_clock_ptrs().erase((*h)->usrp_clock_index); + delete *h; + *h = NULL; + ) +} + +uhd_error uhd_usrp_clock_last_error( + uhd_usrp_clock_handle h, + char* error_out, + size_t strbuffer_len +){ + UHD_SAFE_C( + memset(error_out, '\0', strbuffer_len); + strncpy(error_out, h->last_error.c_str(), strbuffer_len); + ) +} + +uhd_error uhd_usrp_clock_get_pp_string( + uhd_usrp_clock_handle h, + char* pp_string_out, + size_t strbuffer_len +){ + UHD_SAFE_C_SAVE_ERROR(h, + memset(pp_string_out, '\0', strbuffer_len); + strncpy(pp_string_out, USRP_CLOCK(h)->get_pp_string().c_str(), strbuffer_len); + ) +} + +uhd_error uhd_usrp_clock_get_num_boards( + uhd_usrp_clock_handle h, + size_t *num_boards_out +){ + UHD_SAFE_C_SAVE_ERROR(h, + *num_boards_out = USRP_CLOCK(h)->get_num_boards(); + ) +} + +uhd_error uhd_usrp_clock_get_time( + uhd_usrp_clock_handle h, + size_t board, + uint32_t *clock_time_out +){ + UHD_SAFE_C_SAVE_ERROR(h, + *clock_time_out = USRP_CLOCK(h)->get_time(board); + ) +} + +uhd_error uhd_usrp_clock_get_sensor( + uhd_usrp_clock_handle h, + const char* name, + size_t board, + uhd_sensor_value_handle sensor_value_out +){ + UHD_SAFE_C_SAVE_ERROR(h, + delete sensor_value_out->sensor_value_cpp; + sensor_value_out->sensor_value_cpp = new uhd::sensor_value_t(USRP_CLOCK(h)->get_sensor(name, board)); + ) +} + +uhd_error uhd_usrp_clock_get_sensor_names( + uhd_usrp_clock_handle h, + size_t board, + char* sensor_names_out, + size_t strbuffer_len, + size_t *num_sensors_out +){ + UHD_SAFE_C_SAVE_ERROR(h, + std::vector<std::string> sensor_names = USRP_CLOCK(h)->get_sensor_names(board); + *num_sensors_out = sensor_names.size(); + + std::string sensor_names_str = ""; + BOOST_FOREACH(const std::string &sensor_name, sensor_names){ + sensor_names_str += sensor_name; + sensor_names_str += ','; + } + if(sensor_names.size() > 0){ + sensor_names_str.resize(sensor_names_str.size()-1); + } + + memset(sensor_names_out, '\0', strbuffer_len); + strncpy(sensor_names_out, sensor_names_str.c_str(), strbuffer_len); + ) +} |