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Diffstat (limited to 'apps/drivers/drv_mixer.h')
| -rw-r--r-- | apps/drivers/drv_mixer.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/apps/drivers/drv_mixer.h b/apps/drivers/drv_mixer.h deleted file mode 100644 index 9f43015d9..000000000 --- a/apps/drivers/drv_mixer.h +++ /dev/null @@ -1,118 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 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 drv_mixer.h - * - * Mixer ioctl interfaces. - * - * Normal workflow is: - * - * - open mixer device - * - add mixer(s) - * loop: - * - mix actuators to array - * - * Each client has its own configuration. - * - * When mixing, outputs are produced by mixers in the order they are - * added. A simple mixer produces one output; a multotor mixer will - * produce several outputs, etc. - */ - -#ifndef _DRV_MIXER_H -#define _DRV_MIXER_H - -#include <stdint.h> -#include <sys/ioctl.h> - -#define MIXER_DEVICE_PATH "/dev/mixer" - -/* - * ioctl() definitions - */ -#define _MIXERIOCBASE (0x2500) -#define _MIXERIOC(_n) (_IOC(_MIXERIOCBASE, _n)) - -/** get the number of mixable outputs */ -#define MIXERIOCGETOUTPUTCOUNT _MIXERIOC(0) - -/** reset (clear) the mixer configuration */ -#define MIXERIOCRESET _MIXERIOC(1) - -/** simple channel scaler */ -struct mixer_scaler_s { - float negative_scale; - float positive_scale; - float offset; - float min_output; - float max_output; -}; - -/** mixer input */ -struct mixer_control_s { - uint8_t control_group; /**< group from which the input reads */ - uint8_t control_index; /**< index within the control group */ - struct mixer_scaler_s scaler; /**< scaling applied to the input before use */ -}; - -/** simple mixer */ -struct mixer_simple_s { - uint8_t control_count; /**< number of inputs */ - struct mixer_scaler_s output_scaler; /**< scaling for the output */ - struct mixer_control_s controls[0]; /**< actual size of the array is set by control_count */ -}; - -#define MIXER_SIMPLE_SIZE(_icount) (sizeof(struct mixer_simple_s) + (_icount) * sizeof(struct mixer_control_s)) - -/** - * add a simple mixer in (struct mixer_simple_s *)arg - */ -#define MIXERIOCADDSIMPLE _MIXERIOC(2) - -/* _MIXERIOC(3) was deprecated */ -/* _MIXERIOC(4) was deprecated */ - -/** - * Add mixer(s) from the buffer in (const char *)arg - */ -#define MIXERIOCLOADBUF _MIXERIOC(5) - -/* - * XXX Thoughts for additional operations: - * - * - get/set output scale, for tuning center/limit values. - * - save/serialise for saving tuned mixers. - */ - -#endif /* _DRV_ACCEL_H */ |