refactor: restructure lidarlib into xlidar-driver plugin SDK

- LidarManager facade (liblidar_manager.so): dlopen plugin discovery,
  available_drivers map<driver_id, PluginRegistry>, create_lidar_device,
  config.json load/save with legacy lidarlib migration
- Common LidarDriverInterface + DriverInfo/DeviceConfig plugin ABI
  (extern C get_driver_info / create_driver_instance)
- Plugins: driver_rplidar (ported from xlocd, Slamtec SDK), driver_olei,
  driver_sick_code (TiM CoLa-A), driver_sick_safety (nanoScan3), driver_espe
- Diagnostics extended with rplidar health + firmware; FOV filter window,
  range override and legacy remap window unified in DeviceConfig
- Rewritten README, diagnostics doc and examples (list_drivers, example,
  lidar_app)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
2026-07-12 22:30:56 +07:00
parent 49d4e04530
commit 5b2c74bd36
43 changed files with 2346 additions and 1556 deletions

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#pragma once
// xlidar-driver — device self-diagnostics decoded from the data stream.
#include <cstdint>
#include <cstdio>
#include <optional>
#include <string>
namespace xlidar {
struct ExtraInfo; // lidar_interface.hpp
// OLEI Family A (0xFAF0) error_status bits, header byte [5]. Bits 3-7 are
// reserved on the wire; a nonzero reserved bit is still reported as a fault.
inline constexpr uint8_t kFaultMonitor = 1u << 0; // monitor / motor abnormal
inline constexpr uint8_t kFaultVoltage = 1u << 1; // supply voltage out of range
inline constexpr uint8_t kFaultTemperature = 1u << 2; // internal temperature abnormal
// SICK TiM LMDscandata device status (low word; Telegram Listing).
inline constexpr uint16_t kSickStatusError = 1u << 0;
inline constexpr uint16_t kSickStatusPollutionWarning = 1u << 1;
inline constexpr uint16_t kSickStatusPollutionError = 1u << 2;
// SICK nanoScan3 General System State byte 0 (layout from sick_safetyscanners;
// NOT verified on real hardware).
inline constexpr uint8_t kNanoStateRunMode = 1u << 0;
inline constexpr uint8_t kNanoStateStandby = 1u << 1;
inline constexpr uint8_t kNanoStateContaminationWarning = 1u << 2;
inline constexpr uint8_t kNanoStateContaminationError = 1u << 3;
inline constexpr uint8_t kNanoStateReferenceContour = 1u << 4;
inline constexpr uint8_t kNanoStateManipulation = 1u << 5;
// RPLIDAR SDK health status values (sl_lidar_response_device_health_t.status).
inline constexpr uint8_t kRplidarHealthOk = 0;
inline constexpr uint8_t kRplidarHealthWarning = 1;
inline constexpr uint8_t kRplidarHealthError = 2;
// Device self-diagnostics decoded from the data stream. Fields the device
// family doesn't carry stay std::nullopt (see docs/diagnostics.md for the
// per-family wire layout). valid stays false until the driver has decoded one
// full scan.
struct Diagnostics {
bool valid = false;
std::string model = "AUTO";
std::string firmware; // e.g. "fw 1.32 hw 18"; empty if unknown
uint32_t device_timestamp_ms = 0; // device clock; 0 if not on the wire
// OLEI Family A error byte (0 = no fault; Family B/C don't carry it)
uint8_t error_status = 0;
bool monitor_fault() const { return (error_status & kFaultMonitor) != 0; }
bool voltage_fault() const { return (error_status & kFaultVoltage) != 0; }
bool temperature_fault() const { return (error_status & kFaultTemperature) != 0; }
// OLEI Family A only — raw motor speed field, unit unverified
std::optional<uint16_t> rotation_raw;
// OLEI Family C / V3 (GS1-5) only — raw passthroughs, bit meanings unverified
std::optional<uint16_t> scan_frequency_raw;
std::optional<uint16_t> input_status;
std::optional<uint16_t> output_status;
std::optional<uint32_t> field_status;
std::optional<uint32_t> status_flags;
// SICK TiM — LMDscandata status pair (word0<<8)|word1
std::optional<uint16_t> sick_device_status;
bool sick_error() const { return sick_device_status && (*sick_device_status & kSickStatusError); }
bool pollution_warning() const { return sick_device_status && (*sick_device_status & kSickStatusPollutionWarning); }
bool pollution_error() const { return sick_device_status && (*sick_device_status & kSickStatusPollutionError); }
// SICK nanoScan3 — General System State byte 0
std::optional<uint8_t> nano_general_state;
bool contamination_warning() const { return nano_general_state && (*nano_general_state & kNanoStateContaminationWarning); }
bool contamination_error() const { return nano_general_state && (*nano_general_state & kNanoStateContaminationError); }
bool manipulation() const { return nano_general_state && (*nano_general_state & kNanoStateManipulation); }
// ESPE LGA60 — raw fault word from area frames (bit meanings unverified);
// only present when the host polls area data.
std::optional<uint16_t> espe_error_status;
bool espe_fault() const { return espe_error_status && *espe_error_status != 0; }
// RPLIDAR — SDK getHealth() status (refreshed at open(); the streaming
// protocol carries no health) plus the device error code that goes with it.
std::optional<uint8_t> rplidar_health_status;
std::optional<uint16_t> rplidar_error_code;
bool rplidar_fault() const { return rplidar_health_status && *rplidar_health_status == kRplidarHealthError; }
bool rplidar_warning() const { return rplidar_health_status && *rplidar_health_status == kRplidarHealthWarning; }
// Fault = device says something is wrong now; warning = degraded but
// still measuring (dirty optics, weak motor) — schedule cleaning/service.
bool has_fault() const {
return error_status != 0 || sick_error() || pollution_error()
|| contamination_error() || manipulation() || espe_fault()
|| rplidar_fault();
}
bool has_warning() const {
return pollution_warning() || contamination_warning() || rplidar_warning();
}
bool healthy() const { return valid && !has_fault(); }
};
// Decode the diagnostic fields of one scan; sets valid = true.
// Defined inline in lidar_interface.hpp (needs the ExtraInfo definition, and
// every plugin .so must carry its own copy).
Diagnostics decode_diagnostics(const ExtraInfo& info);
// One-line log summary: "no data" / "ok" / "WARN: pollution" /
// "FAULT: voltage temperature".
inline std::string to_string(const Diagnostics& d) {
if (!d.valid) return "no data";
if (!d.has_fault()) return d.has_warning()
? std::string("WARN:") + (d.pollution_warning() ? " pollution" : "")
+ (d.contamination_warning() ? " contamination" : "")
+ (d.rplidar_warning() ? " rplidar" : "")
: "ok";
std::string s = "FAULT:";
if (d.monitor_fault()) s += " monitor";
if (d.voltage_fault()) s += " voltage";
if (d.temperature_fault()) s += " temperature";
if (d.sick_error()) s += " device";
if (d.pollution_error()) s += " pollution";
if (d.contamination_error()) s += " contamination";
if (d.manipulation()) s += " manipulation";
if (d.espe_fault()) {
char buf[24];
std::snprintf(buf, sizeof(buf), " espe(0x%04X)", *d.espe_error_status);
s += buf;
}
if (d.rplidar_fault()) {
char buf[32];
std::snprintf(buf, sizeof(buf), " rplidar(0x%04X)",
d.rplidar_error_code ? *d.rplidar_error_code : 0);
s += buf;
}
if (uint8_t rest = d.error_status & ~(kFaultMonitor | kFaultVoltage | kFaultTemperature)) {
char buf[24];
std::snprintf(buf, sizeof(buf), " reserved(0x%02X)", rest);
s += buf;
}
return s;
}
} // namespace xlidar