lps25h_main.cpp 3.72 KB
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 *    used to endorse or promote products derived from this software
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#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/getopt.h>
#include <px4_platform_common/module.h>

#include "LPS25H.hpp"

void
LPS25H::print_usage()
{
	PRINT_MODULE_USAGE_NAME("lps25h", "driver");
	PRINT_MODULE_USAGE_SUBCATEGORY("baro");
	PRINT_MODULE_USAGE_COMMAND("start");
	PRINT_MODULE_USAGE_PARAMS_I2C_SPI_DRIVER(true, true);
	PRINT_MODULE_USAGE_DEFAULT_COMMANDS();
}

I2CSPIDriverBase *LPS25H::instantiate(const BusCLIArguments &cli, const BusInstanceIterator &iterator,
				      int runtime_instance)
{
	device::Device *interface = nullptr;

	if (iterator.busType() == BOARD_I2C_BUS) {
		interface = LPS25H_I2C_interface(iterator.bus(), cli.bus_frequency);

	} else if (iterator.busType() == BOARD_SPI_BUS) {
		interface = LPS25H_SPI_interface(iterator.bus(), iterator.devid(), cli.bus_frequency, cli.spi_mode);
	}

	if (interface == nullptr) {
		PX4_ERR("failed creating interface for bus %i (devid 0x%x)", iterator.bus(), iterator.devid());
		return nullptr;
	}

	if (interface->init() != OK) {
		delete interface;
		PX4_DEBUG("no device on bus %i (devid 0x%x)", iterator.bus(), iterator.devid());
		return nullptr;
	}

	LPS25H *dev = new LPS25H(iterator.configuredBusOption(), iterator.bus(), interface);

	if (dev == nullptr) {
		delete interface;
		return nullptr;
	}

	if (OK != dev->init()) {
		delete dev;
		return nullptr;
	}

	return dev;
}

extern "C" int lps25h_main(int argc, char *argv[])
{
	using ThisDriver = LPS25H;
	BusCLIArguments cli{true, true};
	cli.default_i2c_frequency = 400000;
	cli.default_spi_frequency = 11 * 1000 * 1000;

	const char *verb = cli.parseDefaultArguments(argc, argv);

	if (!verb) {
		ThisDriver::print_usage();
		return -1;
	}

	BusInstanceIterator iterator(MODULE_NAME, cli, DRV_BARO_DEVTYPE_LPS25H);

	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);
	}

	ThisDriver::print_usage();
	return -1;
}