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phoenixsrc: allow for logging FPGA temp if env var GST_PHOENIX_FPGA_TEMP_LOG is set

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This commit is contained in:
Joshua M. Doe 2021-04-15 08:46:04 -04:00
parent 91131aeb7a
commit 380ff91eb2
1 changed files with 68 additions and 0 deletions
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68
sys/phoenix/gstphoenixsrc.c
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@ -768,6 +768,68 @@ unsupported_caps:
return FALSE;
}
static guint
gst_phoenixsrc_get_fpga_temperature (GstPhoenixSrc * src)
{
etStat eStat = PHX_OK; /* Phoenix status variable */
ui32 fpga_temp = 0; /* Phoenix Get/Set intermediate variable */
eStat = PHX_ParameterGet (src->hCamera, PHX_FPGA_CORE_TEMP, &fpga_temp);
if (PHX_OK != eStat) {
GST_WARNING_OBJECT (src, "Failed to query FPGA temperature");
return 0;
}
return fpga_temp;
}
static void
gst_phoenixsrc_log_fpga_temperature (GstPhoenixSrc * src)
{
static FILE *temperature_file = NULL;
static gint64 temp_log_last_time = 0;
if (g_getenv ("GST_PHOENIX_FPGA_TEMP_LOG")) {
if (temperature_file == NULL) {
const char *envvar = g_getenv ("GST_PHOENIX_FPGA_TEMP_LOG");
gboolean write_header;
gchar *log_filename;
if (atoi (envvar) == 1) {
GDateTime *dt = g_date_time_new_now_local ();
log_filename =
g_date_time_format (dt, "phoenix_fgpa_temp_%Y%m%d_%H%M%S.csv");
g_date_time_unref (dt);
} else {
log_filename = g_strdup (envvar);
}
write_header = !g_file_test (log_filename, G_FILE_TEST_EXISTS);
GST_DEBUG_OBJECT (src, "Opening FPGA temp log file (%s)", log_filename);
temperature_file = fopen (log_filename, "a");
if (!temperature_file) {
GST_ERROR_OBJECT (src, "Failed to open log file");
return;
}
g_free (log_filename);
if (write_header) {
fprintf (temperature_file, "IsoTime, UnixTime, KayaFpgaTemp\n");
}
}
if (temperature_file && g_get_real_time () - temp_log_last_time >= 1000000) {
GDateTime *dt = g_date_time_new_now_local ();
gchar *time_str = g_date_time_format (dt, "%Y-%m-%dT%H:%M:%S, %s");
float fg_temp = gst_phoenixsrc_get_fpga_temperature (src);
GST_DEBUG_OBJECT (src, "FPGA temp: %,3f", fg_temp);
fprintf (temperature_file, "%s, %.3f\n", time_str, fg_temp);
fflush (temperature_file);
g_date_time_unref (dt);
g_free (time_str);
temp_log_last_time = g_get_real_time ();
}
}
}
static GstFlowReturn
gst_phoenixsrc_create (GstPushSrc * src, GstBuffer ** buf)
{
@ -781,8 +843,14 @@ gst_phoenixsrc_create (GstPushSrc * src, GstBuffer ** buf)
guint n;
GstMapInfo minfo;
GST_LOG_OBJECT (src, "create");
gst_phoenixsrc_log_fpga_temperature (src);
/* Start acquisition */
if (!phoenixsrc->acq_started) {
GST_LOG_OBJECT (src, "starting acquisition");
/* make class instance pointer available to the callback, and flush cache */
PHX_ParameterSet (phoenixsrc->hCamera,
PHX_EVENT_CONTEXT | PHX_CACHE_FLUSH, (void *) phoenixsrc);