aboutsummaryrefslogtreecommitdiff
path: root/src/drivers/sf0x/sf0x.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/drivers/sf0x/sf0x.cpp')
-rw-r--r--src/drivers/sf0x/sf0x.cpp12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/drivers/sf0x/sf0x.cpp b/src/drivers/sf0x/sf0x.cpp
index 07163035b..a0cf98340 100644
--- a/src/drivers/sf0x/sf0x.cpp
+++ b/src/drivers/sf0x/sf0x.cpp
@@ -124,6 +124,8 @@ private:
orb_advert_t _range_finder_topic;
+ unsigned _consecutive_fail_count;
+
perf_counter_t _sample_perf;
perf_counter_t _comms_errors;
perf_counter_t _buffer_overflows;
@@ -186,6 +188,7 @@ SF0X::SF0X(const char *port) :
_linebuf_index(0),
_last_read(0),
_range_finder_topic(-1),
+ _consecutive_fail_count(0),
_sample_perf(perf_alloc(PC_ELAPSED, "sf0x_read")),
_comms_errors(perf_alloc(PC_COUNT, "sf0x_comms_errors")),
_buffer_overflows(perf_alloc(PC_COUNT, "sf0x_buffer_overflows"))
@@ -720,12 +723,17 @@ SF0X::cycle()
if (OK != collect_ret) {
/* we know the sensor needs about four seconds to initialize */
- if (hrt_absolute_time() > 5 * 1000 * 1000LL) {
- log("collection error");
+ if (hrt_absolute_time() > 5 * 1000 * 1000LL && _consecutive_fail_count < 5) {
+ log("collection error #%u", _consecutive_fail_count);
}
+ _consecutive_fail_count++;
+
/* restart the measurement state machine */
start();
return;
+ } else {
+ /* apparently success */
+ _consecutive_fail_count = 0;
}
/* next phase is measurement */