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/*
* 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);
)
}
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