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livoxGen1: add n-dgrams-per-frame param

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This commit is contained in:
Hayodea Hekol
2025-11-15 22:12:48 -04:00
parent b3743560bb
commit bed10df499
2 changed files with 42 additions and 4 deletions
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docs/livox-gen1-lidar-dap-spec.md
+9 -3
View File
@@ -40,6 +40,11 @@ Each stim-buff-api is designed to work with specific stim-iface libraries that u
+edev | avia0 | pcloud(format=xyz) | livoxGen1-pcloud(data-rate-hz=10) | livoxProto1(command-timeout-ms=1000,retry-delay-ms=3000,smo-ip=192.168.1.50,smo-subnet-nbits=24) | 3JEDK380010Z39
```
**Example with n-dgrams-per-frame parameter**:
```
+edev | avia0 | pcloud(format=xyz) | livoxGen1-pcloud(data-rate-hz=10,n-dgrams-per-frame=30) | livoxProto1(command-timeout-ms=1000,retry-delay-ms=3000,smo-ip=192.168.1.50,smo-subnet-nbits=24) | 3JEDK380010Z39
```
**Alternative Format Examples**:
```
+edev | avia0 | pcloud(format=spherical) | livoxGen1-pcloud(data-rate-hz=10) | livoxProto1(command-timeout-ms=1000,retry-delay-ms=3000,smo-ip=192.168.1.50,smo-subnet-nbits=24) | 3JEDK380010Z39
@@ -142,9 +147,10 @@ The `livoxProto1` provider accepts the following parameters:
Each stim-buff-api accepts device-specific parameters:
| Parameter | Description | Example |
|-----------|-------------|---------|
| `data-rate-hz` | Data sampling rate in Hz | `data-rate-hz=10` |
| Parameter | Description | Default | Example |
|-----------|-------------|---------|---------|
| `data-rate-hz` | Data sampling rate in Hz | - | `data-rate-hz=10` |
| `n-dgrams-per-frame` / `num-dgrams-per-frame` | Number of UDP datagrams per staging buffer frame | 30 | `n-dgrams-per-frame=30` or `num-dgrams-per-frame=30` |
### Quale-Iface-API Parameters
stimBuffApis/livoxGen1/livoxGen1.cpp
+33 -1
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@@ -109,6 +109,35 @@ static int parseHistbuffMs(
return histbuffMs;
}
// Helper function to parse n-dgrams-per-frame from stim-buff-api params
static size_t parseNDgramsPerFrame(
const std::shared_ptr<smo::device::DeviceAttachmentSpec>& spec)
{
size_t nDgramsPerFrame = 30; // Default: 30 datagrams per frame
const std::vector<std::string> nDgramsPerFrameParamNames = {
"n-dgrams-per-frame",
"num-dgrams-per-frame"
};
// Loop through synonyms in reverse order; lattermost synonym wins.
for (auto synIt = nDgramsPerFrameParamNames.rbegin();
synIt != nDgramsPerFrameParamNames.rend(); ++synIt)
{
const auto& paramName = *synIt;
try {
nDgramsPerFrame = static_cast<size_t>(
smo::device::DeviceAttachmentSpec::parseRequiredParamAsInt(
spec->stimBuffApiParams, paramName));
break; // Found and parsed successfully
} catch (const std::exception&) {
// Parameter not found or parse error, continue to next synonym
continue;
}
}
return nDgramsPerFrame;
}
// LivoxProto1DllState constructor implementation
LivoxProto1DllState::LivoxProto1DllState()
: dlopenHandle(nullptr, DlCloser),
@@ -282,8 +311,11 @@ public:
formatDesc.format = PcloudStimulusProducer::PcloudFormatDesc::Format
::XYZI;
// Parse n-dgrams-per-frame from stim-buff-api params (default: 30)
size_t nDgramsPerFrame = parseNDgramsPerFrame(context->spec);
auto pcloudDataProducer = std::make_shared<PcloudStimulusProducer>(
context->spec, context->deviceTmp, formatDesc, 30);
context->spec, context->deviceTmp, formatDesc, nDgramsPerFrame);
context->stimProducer = pcloudDataProducer;
context->deviceTmp->nAttachedStimulusProducers++;