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/**
 * @file DPS310_I2C.cpp
 *
 * I2C interface for DPS310
 */

#include <lib/drivers/device/i2c.h>

namespace dps310
{

device::Device *DPS310_I2C_interface(uint8_t bus, uint32_t address, int bus_frequency);

class DPS310_I2C : public device::I2C
{
public:
	DPS310_I2C(uint8_t bus, uint32_t address, int bus_frequency);
	virtual ~DPS310_I2C() = default;

	virtual int	read(unsigned address, void *data, unsigned count);
	virtual int	write(unsigned address, void *data, unsigned count);

};

device::Device *
DPS310_I2C_interface(uint8_t bus, uint32_t address, int bus_frequency)
{
	return new DPS310_I2C(bus, address, bus_frequency);
}

DPS310_I2C::DPS310_I2C(uint8_t bus, uint32_t address, int bus_frequency) :
	I2C(DRV_BARO_DEVTYPE_DPS310, MODULE_NAME, bus, address, bus_frequency)
{
}

int
DPS310_I2C::read(unsigned address, void *data, unsigned count)
{
	uint8_t cmd = address;
	return transfer(&cmd, 1, (uint8_t *)data, count);
}

int
DPS310_I2C::write(unsigned address, void *data, unsigned count)
{
	uint8_t buf[32];

	if (sizeof(buf) < (count + 1)) {
		return -EIO;
	}

	buf[0] = address;
	memcpy(&buf[1], data, count);

	return transfer(&buf[0], count + 1, nullptr, 0);
}

} // namespace dps310
