infrared_i2c.h

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/*
 * Copyright (C) 2010 ENAC
 *
 * This file is part of paparazzi.
 *
 * paparazzi is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * paparazzi is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with paparazzi; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */
 
/*
 * Driver for i2c infrared sensor
 */
 
#ifndef SUBSYSTEMS_SENSORS_INFRARED_I2C_H
#define SUBSYSTEMS_SENSORS_INFRARED_I2C_H
 
#include "std.h"
#include "generated/airframe.h"
#include "subsystems/sensors/infrared.h"
#include "mcu_periph/i2c.h"
 
extern struct Infrared_raw ir_i2c;
extern bool ir_i2c_data_hor_available, ir_i2c_data_ver_available;
extern uint8_t ir_i2c_conf_word;
extern bool ir_i2c_conf_hor_done, ir_i2c_conf_ver_done;
 
extern struct i2c_transaction irh_trans, irv_trans;
 
extern void infrared_i2c_init(void);
extern void infrared_i2c_update(void);
extern void infrared_i2c_hor_event(void);
extern void infrared_i2c_ver_event(void);
 
#define infrared_i2cEvent() { \
    if (irh_trans.status == I2CTransSuccess) infrared_i2c_hor_event(); \
    if (irv_trans.status == I2CTransSuccess) infrared_i2c_ver_event(); \
  }
 
#define infrared_i2cDownlink() DOWNLINK_SEND_DEBUG_IR_I2C(DefaultChannel, DefaultDevice, &ir_i2c.ir1, &ir_i2c.ir2, &ir_i2c.ir3)
 
#define infrared_i2c_SetConfWord(_v) { \
    ir_i2c_conf_hor_done = false; \
    ir_i2c_conf_ver_done = false; \
    ir_i2c_conf_word = _v; \
  }
 
#endif // SUBSYSTEMS_SENSORS_INFRARED_I2C_H