/*
    ChibiOS/GFX - Copyright (C) 2012, 2013
                 Joel Bodenmann aka Tectu <joel@unormal.org>

    This file is part of ChibiOS/GFX.

    ChibiOS/GFX 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 3 of the License, or
    (at your option) any later version.

    ChibiOS/GFX 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/**
 * @file    drivers/ginput/touch/STMPE811/ginput_lld_mouse_board_embest_dmstf4bb.h
 * @brief   GINPUT Touch low level driver source for the STMPE811 on the Embest DM-STF4BB board.
 *
 * @defgroup Mouse Mouse
 * @ingroup GINPUT
 * @{
 */

#ifndef _GINPUT_LLD_MOUSE_BOARD_H
#define _GINPUT_LLD_MOUSE_BOARD_H

static const I2CConfig i2ccfg2 = {
	OPMODE_I2C,
	400000,
	FAST_DUTY_CYCLE_2,
};

/**
 * @brief   Initialise the board for the touch.
 *
 * @notapi
 */
static inline void init_board(void) {
	palSetPadMode(GPIOC, 13, PAL_MODE_INPUT);			/* TP IRQ */
	palSetPadMode(GPIOB, 10, PAL_MODE_ALTERNATE(4));	/* I2C2 SCL */
	palSetPadMode(GPIOB, 11, PAL_MODE_ALTERNATE(4));	/* I2C2 SDA */

	i2cStart(&I2CD2, &i2ccfg2);
}

/**
 * @brief   Check whether the surface is currently touched
 * @return	TRUE if the surface is currently touched
 *
 * @notapi
 */
static inline bool_t getpin_pressed(void) {
	return (!(palReadPad(GPIOC, 13)));
}

/**
 * @brief   Aquire the bus ready for readings
 *
 * @notapi
 */
static inline void aquire_bus(void) {
	i2cAcquireBus(&I2CD2);
}

/**
 * @brief   Release the bus after readings
 *
 * @notapi
 */
static inline void release_bus(void) {
	i2cReleaseBus(&I2CD2);
}

/**
 * @brief   Read a value from touch controller
 * @return	The value read from the controller
 *
 * params[in] port	The controller port to read.
 *
 * @notapi
 */
static inline uint16_t read_value(uint16_t port) {
	 #error "STMPE811: Implement this driver first!"
}

#endif /* _GINPUT_LLD_MOUSE_BOARD_H */
/** @} */