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hw reset errors handling #13254

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hw reset errors handling #13254

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31 changes: 29 additions & 2 deletions src/ds/d500/d500-device.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -94,8 +94,35 @@ namespace librealsense
void d500_device::hardware_reset()
{
command cmd(ds::HWRST);
cmd.require_response = false;
_hw_monitor->send(cmd);
cmd.require_response = true;
int retries = 0;
bool success = false;
const int ERR_SWNotReady = -21;
const int ERR_Operation_Timeout = -18;
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What do we do with this error?

do
{
auto res = _hw_monitor->send(cmd);
if (res.size() == 0)
return; // happens when no error occurs

auto hwm_ans = *reinterpret_cast<hwmon_response*>(res.data());
if (hwm_ans == hwmon_response::hwm_Success)
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So some D500 devices will return 0 data and some success opcode?
We need to ask FW team to align this behavior
both should return success IMO

success = true;
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Why not just return?

else
{
if (hwm_ans == ERR_SWNotReady)
{
retries++;
std::this_thread::sleep_for(std::chrono::milliseconds(100));
LOG_WARNING("HW Reset - SW not ready received");
}
else
{
throw std::runtime_error("HW Reset - error received - " + static_cast<int>(hwm_ans));
}
}

} while (!success && retries < 3);
}

void d500_device::enter_update_state() const
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