LMSDevice: make use of dev-args in osmo-trx.cfg
Allow selecting a specific LimeSDR device by setting dev-args in the config file. Split up the given dev-args address by comma and select the device where all substrings can be found. I could not test this with real hardware, but I have added a test case to make sure this works as expected. Related: OS#3654 Change-Id: Ib9aaa066a01bf9de3f78234d7ada884d6f28c852
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@ -18,6 +18,7 @@ tests/CommonLibs/URLEncodeTest
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tests/CommonLibs/VectorTest
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tests/CommonLibs/PRBSTest
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tests/Transceiver52M/convolve_test
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tests/Transceiver52M/LMSDeviceTest
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# automake/autoconf
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*.in
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@ -21,6 +21,7 @@
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#include "Logger.h"
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#include "Threads.h"
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#include "LMSDevice.h"
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#include "Utils.h"
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#include <lime/LimeSuite.h>
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@ -95,6 +96,35 @@ static void print_range(const char* name, lms_range_t *range)
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<< " Step=" << range->step;
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}
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/*! Find the device string that matches all filters from \a args.
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* \param[in] info_list device addresses found by LMS_GetDeviceList()
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* \param[in] count length of info_list
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* \param[in] args dev-args value from osmo-trx.cfg, containing comma separated key=value pairs
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* \return index of first matching device or -1 (no match) */
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int info_list_find(lms_info_str_t* info_list, unsigned int count, const std::string &args)
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{
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unsigned int i, j;
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vector<string> filters;
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filters = comma_delimited_to_vector(args.c_str());
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/* iterate over device addresses */
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for (i=0; i < count; i++) {
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/* check if all filters match */
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bool match = true;
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for (j=0; j < filters.size(); j++) {
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if (!strstr(info_list[i], filters[j].c_str())) {
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match = false;
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break;
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}
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}
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if (match)
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return i;
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}
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return -1;
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}
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int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
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{
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//lms_info_str_t dev_str;
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@ -103,7 +133,7 @@ int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
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float_type sr_host, sr_rf, lpfbw_rx, lpfbw_tx;
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uint16_t dac_val;
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unsigned int i, n;
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int rc;
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int rc, dev_id;
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LOGC(DDEV, INFO) << "Opening LMS device..";
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@ -123,7 +153,15 @@ int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
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for (i = 0; i < n; i++)
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LOGC(DDEV, INFO) << "Device [" << i << "]: " << info_list[i];
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rc = LMS_Open(&m_lms_dev, info_list[0], NULL);
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dev_id = info_list_find(info_list, n, args);
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if (dev_id == -1) {
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LOGC(DDEV, ERROR) << "No LMS device found with address '" << args << "'";
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delete[] info_list;
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return -1;
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}
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LOGC(DDEV, INFO) << "Using device[" << dev_id << "]";
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rc = LMS_Open(&m_lms_dev, info_list[dev_id], NULL);
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if (rc != 0) {
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LOGC(DDEV, ERROR) << "LMS_GetDeviceList() failed)";
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delete [] info_list;
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@ -0,0 +1,41 @@
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#include <assert.h>
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#include <lime/LimeSuite.h>
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#include <string>
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extern "C"
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{
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size_t osmo_strlcpy(char *dst, const char *src, size_t siz);
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}
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int info_list_find(lms_info_str_t* info_list, unsigned int count, const std::string &args);
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using namespace std;
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int main(void)
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{
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unsigned int count;
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lms_info_str_t* info_list;
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std::string args;
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/* two fake entries for info_list */
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count = 2;
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info_list = new lms_info_str_t[count];
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osmo_strlcpy(info_list[0], "LimeSDR Mini, addr=24607:1337, serial=FAKESERIAL0001", sizeof(lms_info_str_t));
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osmo_strlcpy(info_list[1], "LimeSDR Mini, addr=24607:1338, serial=FAKESERIAL0002", sizeof(lms_info_str_t));
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/* find second entry by args filter */
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args = "serial=FAKESERIAL0002,LimeSDR Mini";
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assert(info_list_find(info_list, count, args) == 1);
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/* empty args -> first entry */
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args = "";
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assert(info_list_find(info_list, count, args) == 0);
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/* not matching args -> -1 */
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args = "serial=NOTMATCHING";
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assert(info_list_find(info_list, count, args) == -1);
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/* clean up */
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delete[] info_list;
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return 0;
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}
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@ -16,3 +16,13 @@ endif
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if HAVE_SSE4_1
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convolve_test_CFLAGS += $(SIMD_FLAGS)
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endif
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if DEVICE_LMS
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noinst_PROGRAMS += LMSDeviceTest
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LMSDeviceTest_SOURCES = LMSDeviceTest.cpp
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LMSDeviceTest_LDFLAGS = $(LIBOSMOCORE_LIBS) $(LMS_LIBS)
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LMSDeviceTest_LDADD = \
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$(top_builddir)/Transceiver52M/device/lms/libdevice.la \
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$(COMMON_LA)
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LMSDeviceTest_CPPFLAGS = $(AM_CPPFLAGS) $(LMS_CFLAGS)
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endif
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@ -1,6 +1,12 @@
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AT_INIT
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AT_BANNER([Regression tests.])
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AT_SETUP([LMSDeviceTest])
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AT_KEYWORDS([LMSDeviceTest])
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AT_SKIP_IF([! test -e $abs_top_builddir/tests/Transceiver52M/LMSDeviceTest])
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AT_CHECK([$abs_top_builddir/tests/Transceiver52M/LMSDeviceTest], [], [], [])
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AT_CLEANUP
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AT_SETUP([BitVectorTest])
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AT_KEYWORDS([BitVectorTest])
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cat $abs_srcdir/CommonLibs/BitVectorTest.ok > expout
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