/**************************************************************************** * * Copyright (C) 2020 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. * ****************************************************************************/ #include #include #include constexpr px4_i2c_bus_t px4_i2c_buses[I2C_BUS_MAX_BUS_ITEMS] = { initI2CBusExternal(1), initI2CBusExternal(2), initI2CBusExternal(4), }; bool px4_i2c_device_external(const uint32_t device_id) { { // The internal baro and mag on Pixhawk 6C are on an external // bus. On rev 0, the bus is actually exposed externally, on // rev 1+, it is properly internal, however, still marked as // external for compatibility. // device_id: 4028193 device::Device::DeviceId device_id_baro{}; device_id_baro.devid_s.bus_type = device::Device::DeviceBusType_I2C; device_id_baro.devid_s.bus = 4; device_id_baro.devid_s.address = 0x77; device_id_baro.devid_s.devtype = DRV_BARO_DEVTYPE_MS5611; if (device_id_baro.devid == device_id) { return false; } // device_id: 396321 device::Device::DeviceId device_id_mag{}; device_id_mag.devid_s.bus_type = device::Device::DeviceBusType_I2C; device_id_mag.devid_s.bus = 4; device_id_mag.devid_s.address = 0xc; device_id_mag.devid_s.devtype = DRV_MAG_DEVTYPE_IST8310; if (device_id_mag.devid == device_id) { return false; } } device::Device::DeviceId dev_id{}; dev_id.devid = device_id; return px4_i2c_bus_external(dev_id.devid_s.bus); }