AP_RangeFinder: added Benewake CAN Lidars

includes support for setting CAN ID and min SNR
This commit is contained in:
Andrew Tridgell 2021-11-12 21:11:48 +11:00 committed by Randy Mackay
parent ad9c411490
commit f91adfd146
5 changed files with 127 additions and 11 deletions

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@ -48,6 +48,7 @@
#include "AP_RangeFinder_SITL.h"
#include "AP_RangeFinder_MSP.h"
#include "AP_RangeFinder_USD1_CAN.h"
#include "AP_RangeFinder_Benewake_CAN.h"
#include <AP_BoardConfig/AP_BoardConfig.h>
#include <AP_Logger/AP_Logger.h>
@ -63,7 +64,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[0], "1_", 25, RangeFinder, AP_RangeFinder_Params),
// @Group: 1_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[0], "1_", 57, RangeFinder, backend_var_info[0]),
#if RANGEFINDER_MAX_INSTANCES > 1
@ -72,7 +73,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[1], "2_", 27, RangeFinder, AP_RangeFinder_Params),
// @Group: 2_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[1], "2_", 58, RangeFinder, backend_var_info[1]),
#endif
@ -82,7 +83,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[2], "3_", 29, RangeFinder, AP_RangeFinder_Params),
// @Group: 3_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[2], "3_", 59, RangeFinder, backend_var_info[2]),
#endif
@ -92,7 +93,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[3], "4_", 31, RangeFinder, AP_RangeFinder_Params),
// @Group: 4_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[3], "4_", 60, RangeFinder, backend_var_info[3]),
#endif
@ -102,7 +103,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[4], "5_", 33, RangeFinder, AP_RangeFinder_Params),
// @Group: 5_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[4], "5_", 34, RangeFinder, backend_var_info[4]),
#endif
@ -112,7 +113,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[5], "6_", 35, RangeFinder, AP_RangeFinder_Params),
// @Group: 6_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[5], "6_", 36, RangeFinder, backend_var_info[5]),
#endif
@ -122,7 +123,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[6], "7_", 37, RangeFinder, AP_RangeFinder_Params),
// @Group: 7_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[6], "7_", 38, RangeFinder, backend_var_info[6]),
#endif
@ -132,7 +133,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[7], "8_", 39, RangeFinder, AP_RangeFinder_Params),
// @Group: 8_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[7], "8_", 40, RangeFinder, backend_var_info[7]),
#endif
@ -142,7 +143,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[8], "9_", 41, RangeFinder, AP_RangeFinder_Params),
// @Group: 9_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[8], "9_", 42, RangeFinder, backend_var_info[8]),
#endif
@ -152,7 +153,7 @@ const AP_Param::GroupInfo RangeFinder::var_info[] = {
AP_SUBGROUPINFO(params[9], "A_", 43, RangeFinder, AP_RangeFinder_Params),
// @Group: A_
// @Path: AP_RangeFinder_Wasp.cpp
// @Path: AP_RangeFinder_Wasp.cpp,AP_RangeFinder_Benewake_CAN.cpp
AP_SUBGROUPVARPTR(drivers[9], "A_", 44, RangeFinder, backend_var_info[9]),
#endif
@ -574,6 +575,9 @@ void RangeFinder::detect_instance(uint8_t instance, uint8_t& serial_instance)
case Type::USD1_CAN:
_add_backend(new AP_RangeFinder_USD1_CAN(state[instance], params[instance]), instance);
break;
case Type::Benewake_CAN:
_add_backend(new AP_RangeFinder_Benewake_CAN(state[instance], params[instance]), instance);
break;
#endif
case Type::NONE:
default:

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@ -88,6 +88,7 @@ public:
GYUS42v2 = 31,
MSP = 32,
USD1_CAN = 33,
Benewake_CAN = 34,
SITL = 100,
};

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@ -0,0 +1,79 @@
#include <AP_HAL/AP_HAL.h>
#include "AP_RangeFinder_Benewake_CAN.h"
#if HAL_MAX_CAN_PROTOCOL_DRIVERS
const AP_Param::GroupInfo AP_RangeFinder_Benewake_CAN::var_info[] = {
// @Param: RECV_ID
// @DisplayName: CAN receive ID
// @Description: The receive ID of the CAN frames. A value of zero means all IDs are accepted.
// @Range: 0 65535
// @User: Advanced
AP_GROUPINFO("RECV_ID", 10, AP_RangeFinder_Benewake_CAN, receive_id, 0),
// @Param: SNR_MIN
// @DisplayName: Minimum signal strength
// @Description: Minimum signal strength (SNR) to accept distance
// @Range: 0 65535
// @User: Advanced
AP_GROUPINFO("SNR_MIN", 11, AP_RangeFinder_Benewake_CAN, snr_min, 0),
AP_GROUPEND
};
/*
constructor
*/
AP_RangeFinder_Benewake_CAN::AP_RangeFinder_Benewake_CAN(RangeFinder::RangeFinder_State &_state, AP_RangeFinder_Params &_params) :
CANSensor("Benewake", 3072),
AP_RangeFinder_Backend(_state, _params)
{
AP_Param::setup_object_defaults(this, var_info);
register_driver(AP_CANManager::Driver_Type_Benewake);
state.var_info = var_info;
}
// update state
void AP_RangeFinder_Benewake_CAN::update(void)
{
WITH_SEMAPHORE(_sem);
const uint32_t now = AP_HAL::millis();
if (_distance_count == 0 && now - state.last_reading_ms > 500) {
// no new data.
set_status(RangeFinder::Status::NoData);
} else if (_distance_count != 0) {
state.distance_cm = (_distance_sum_cm / _distance_count);
state.last_reading_ms = AP_HAL::millis();
_distance_sum_cm = 0;
_distance_count = 0;
update_status();
}
}
// handler for incoming frames. These come in at 100Hz
void AP_RangeFinder_Benewake_CAN::handle_frame(AP_HAL::CANFrame &frame)
{
WITH_SEMAPHORE(_sem);
const uint16_t id = frame.id & AP_HAL::CANFrame::MaskStdID;
if (receive_id != 0 && id != uint16_t(receive_id.get())) {
// incorrect receive ID
return;
}
if (last_recv_id != -1 && id != last_recv_id) {
// changing ID
return;
}
last_recv_id = id;
const uint16_t dist_cm = (frame.data[1]<<8) | frame.data[0];
const uint16_t snr = (frame.data[3]<<8) | frame.data[2];
if (snr_min != 0 && snr < uint16_t(snr_min.get())) {
// too low signal strength
return;
}
_distance_sum_cm += dist_cm;
_distance_count++;
}
#endif // HAL_MAX_CAN_PROTOCOL_DRIVERS

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@ -0,0 +1,32 @@
#pragma once
#include "AP_RangeFinder_Backend.h"
#include <AP_CANManager/AP_CANSensor.h>
#if HAL_MAX_CAN_PROTOCOL_DRIVERS
class AP_RangeFinder_Benewake_CAN : public CANSensor, public AP_RangeFinder_Backend {
public:
AP_RangeFinder_Benewake_CAN(RangeFinder::RangeFinder_State &_state, AP_RangeFinder_Params &_params);
void update() override;
// handler for incoming frames
void handle_frame(AP_HAL::CANFrame &frame) override;
static const struct AP_Param::GroupInfo var_info[];
protected:
virtual MAV_DISTANCE_SENSOR _get_mav_distance_sensor_type() const override {
return MAV_DISTANCE_SENSOR_RADAR;
}
private:
float _distance_sum_cm;
uint32_t _distance_count;
int32_t last_recv_id = -1;
AP_Int32 snr_min;
AP_Int32 receive_id;
};
#endif //HAL_MAX_CAN_PROTOCOL_DRIVERS

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@ -6,7 +6,7 @@ const AP_Param::GroupInfo AP_RangeFinder_Params::var_info[] = {
// @Param: TYPE
// @DisplayName: Rangefinder type
// @Description: What type of rangefinder device that is connected
// @Values: 0:None,1:Analog,2:MaxbotixI2C,3:LidarLite-I2C,5:PWM,6:BBB-PRU,7:LightWareI2C,8:LightWareSerial,9:Bebop,10:MAVLink,11:uLanding,12:LeddarOne,13:MaxbotixSerial,14:TeraRangerI2C,15:LidarLiteV3-I2C,16:VL53L0X or VL53L1X,17:NMEA,18:WASP-LRF,19:BenewakeTF02,20:Benewake-Serial,21:LidarLightV3HP,22:PWM,23:BlueRoboticsPing,24:UAVCAN,25:BenewakeTFminiPlus-I2C,26:LanbaoPSK-CM8JL65-CC5,27:BenewakeTF03,28:VL53L1X-ShortRange,29:LeddarVu8-Serial,30:HC-SR04,31:GYUS42v2,32:MSP,33:USD1_CAN,100:SITL
// @Values: 0:None,1:Analog,2:MaxbotixI2C,3:LidarLite-I2C,5:PWM,6:BBB-PRU,7:LightWareI2C,8:LightWareSerial,9:Bebop,10:MAVLink,11:uLanding,12:LeddarOne,13:MaxbotixSerial,14:TeraRangerI2C,15:LidarLiteV3-I2C,16:VL53L0X or VL53L1X,17:NMEA,18:WASP-LRF,19:BenewakeTF02,20:Benewake-Serial,21:LidarLightV3HP,22:PWM,23:BlueRoboticsPing,24:UAVCAN,25:BenewakeTFminiPlus-I2C,26:LanbaoPSK-CM8JL65-CC5,27:BenewakeTF03,28:VL53L1X-ShortRange,29:LeddarVu8-Serial,30:HC-SR04,31:GYUS42v2,32:MSP,33:USD1_CAN,34:Benewake_CAN,100:SITL
// @User: Standard
AP_GROUPINFO_FLAGS("TYPE", 1, AP_RangeFinder_Params, type, 0, AP_PARAM_FLAG_ENABLE),