ll40ls.cpp
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/****************************************************************************
*
* Copyright (c) 2014-2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file ll40ls.cpp
* @author Allyson Kreft
* @author Johan Jansen <jnsn.johan@gmail.com>
* @author Ban Siesta <bansiesta@gmail.com>
* @author James Goppert <james.goppert@gmail.com>
*
*/
#include <board_config.h>
#include <px4_platform_common/getopt.h>
#include <px4_platform_common/module.h>
#include "LidarLiteI2C.h"
void
LidarLiteI2C::print_usage()
{
PRINT_MODULE_DESCRIPTION(
R"DESCR_STR(
### Description
I2C bus driver for LidarLite rangefinders.
The sensor/driver must be enabled using the parameter SENS_EN_LL40LS.
Setup/usage information: https://docs.px4.io/master/en/sensor/lidar_lite.html
)DESCR_STR");
PRINT_MODULE_USAGE_NAME("ll40ls", "driver");
PRINT_MODULE_USAGE_SUBCATEGORY("distance_sensor");
PRINT_MODULE_USAGE_COMMAND("start");
PRINT_MODULE_USAGE_PARAMS_I2C_SPI_DRIVER(true, false);
PRINT_MODULE_USAGE_PARAM_INT('R', 25, 0, 25, "Sensor rotation - downward facing by default", true);
PRINT_MODULE_USAGE_COMMAND("regdump");
PRINT_MODULE_USAGE_DEFAULT_COMMANDS();
}
I2CSPIDriverBase *LidarLiteI2C::instantiate(const BusCLIArguments &cli, const BusInstanceIterator &iterator,
int runtime_instance)
{
LidarLiteI2C* instance = new LidarLiteI2C(iterator.configuredBusOption(), iterator.bus(), cli.orientation, cli.bus_frequency);
if (instance == nullptr) {
PX4_ERR("alloc failed");
return nullptr;
}
if (instance->init() != PX4_OK) {
delete instance;
return nullptr;
}
instance->start();
return instance;
}
void
LidarLiteI2C::custom_method(const BusCLIArguments &cli)
{
print_registers();
}
extern "C" __EXPORT int ll40ls_main(int argc, char *argv[])
{
int ch;
using ThisDriver = LidarLiteI2C;
BusCLIArguments cli{true, false};
cli.orientation = distance_sensor_s::ROTATION_DOWNWARD_FACING;
cli.default_i2c_frequency = 100000;
while ((ch = cli.getopt(argc, argv, "R:")) != EOF) {
switch (ch) {
case 'R':
cli.orientation = (enum Rotation)atoi(cli.optarg());
break;
}
}
const char *verb = cli.optarg();
if (!verb) {
ThisDriver::print_usage();
return -1;
}
BusInstanceIterator iterator(MODULE_NAME, cli, DRV_DIST_DEVTYPE_LL40LS);
if (!strcmp(verb, "start")) {
return ThisDriver::module_start(cli, iterator);
}
if (!strcmp(verb, "stop")) {
return ThisDriver::module_stop(iterator);
}
if (!strcmp(verb, "status")) {
return ThisDriver::module_status(iterator);
}
if (!strcmp(verb, "regdump")) {
return ThisDriver::module_custom_method(cli, iterator);
}
ThisDriver::print_usage();
return -1;
}