From cbf4a5af1611ee0969ea0b8d265441308e2dbc91 Mon Sep 17 00:00:00 2001 From: James Goppert Date: Fri, 23 Jan 2015 22:25:48 -0500 Subject: Simplified i2c handling for flow. --- src/drivers/px4flow/i2c_frame.h | 82 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 src/drivers/px4flow/i2c_frame.h (limited to 'src/drivers/px4flow/i2c_frame.h') diff --git a/src/drivers/px4flow/i2c_frame.h b/src/drivers/px4flow/i2c_frame.h new file mode 100644 index 000000000..b391b1f6a --- /dev/null +++ b/src/drivers/px4flow/i2c_frame.h @@ -0,0 +1,82 @@ +/**************************************************************************** + * + * Copyright (c) 2013-2015 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 i2c_frame.h + * Definition of i2c frames. + * @author Thomas Boehm + * @author James Goppert + */ + +#ifndef I2C_FRAME_H_ +#define I2C_FRAME_H_ +#include + + +typedef struct i2c_frame +{ + uint16_t frame_count; + int16_t pixel_flow_x_sum; + int16_t pixel_flow_y_sum; + int16_t flow_comp_m_x; + int16_t flow_comp_m_y; + int16_t qual; + int16_t gyro_x_rate; + int16_t gyro_y_rate; + int16_t gyro_z_rate; + uint8_t gyro_range; + uint8_t sonar_timestamp; + int16_t ground_distance; +} i2c_frame; + +#define I2C_FRAME_SIZE (sizeof(i2c_frame)) + + +typedef struct i2c_integral_frame +{ + uint16_t frame_count_since_last_readout; + int16_t pixel_flow_x_integral; + int16_t pixel_flow_y_integral; + int16_t gyro_x_rate_integral; + int16_t gyro_y_rate_integral; + int16_t gyro_z_rate_integral; + uint32_t integration_timespan; + uint32_t sonar_timestamp; + uint16_t ground_distance; + int16_t gyro_temperature; + uint8_t qual; +} i2c_integral_frame; + +#define I2C_INTEGRAL_FRAME_SIZE (sizeof(i2c_integral_frame)) + +#endif /* I2C_FRAME_H_ */ -- cgit v1.2.3