flight/pios/inc/pios_hcsr04_priv.h

   1 /**
   2  ******************************************************************************
   3  * @addtogroup PIOS PIOS Core hardware abstraction layer
   4  * @{
   5  * @addtogroup   PIOS_SERVO Servo Functions
   6  * @brief PIOS interface to read and write from servo PWM ports
   7  * @{
   8  *
   9  * @file       pios_servo_priv.h
  10  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
  11  * @brief      Servo private structures.
  12  * @see        The GNU Public License (GPL) Version 3
  13  *
  14  *****************************************************************************/
  15 /*
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 3 of the License, or
  19  * (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful, but
  22  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  24  * for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License along
  27  * with this program; if not, write to the Free Software Foundation, Inc.,
  28  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  29  */
  30
  31 #ifndef PIOS_HCSR04_PRIV_H
  32 #define PIOS_HCSR04_PRIV_H
  33
  34 #include <pios.h>
  35 #include <pios_stm32.h>
  36
  37 #include <pios_tim_priv.h>
  38
  39 struct pios_hcsr04_cfg {
  40     TIM_ICInitTypeDef tim_ic_init;
  41     const struct pios_tim_channel *channels;
  42     uint8_t num_channels;
  43     struct stm32_gpio trigger;
  44 };
  45
  46 extern const struct pios_rcvr_driver pios_pwm_rcvr_driver;
  47
  48 extern int32_t PIOS_HCSR04_Init(uint32_t *pwm_id, const struct pios_hcsr04_cfg *cfg);
  49
  50 #endif /* PIOS_HCSR04_PRIV_H */
  51
  52 /**
  53  * @}
  54  * @}
  55  */