nes-proj/arch/platform/zoul/dev/mp3-wtv020sd.h

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/*
* Copyright (c) 2015, Zolertia
* 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 of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
/* -------------------------------------------------------------------------- */
/**
* \addtogroup zoul-sensors
* @{
*
* \defgroup zoul-mp3-wtv020sd MP3 WTV020SD driver compatible with Zoul-based
* platforms
*
* Driver to control the MP3 WTV020SD board in MP3 mode (GPIO based) and the
* 2-line serial mode (CLK/DI). Loop Mode and Key Modes not implemented.
* More product information available at:
* http://avrproject.ru/chasy-budilnik/WTV020SD.pdf
* An example on how to wire with a sound power amplifier and speakers at
* http://www.hackster.io/zolertia
* Based on the Arduino Wtv020sd16p library
* @{
*
* \file
* Header file for the MP3 WTV020SD driver
*/
/* -------------------------------------------------------------------------- */
#ifndef MP3_WTV020SD_H_
#define MP3_WTV020SD_H_
/* -------------------------------------------------------------------------- */
#include <stdint.h>
/* -------------------------------------------------------------------------- */
#define MP3_WTV020SD_ERROR -1
#define MP3_WTV020SD_SUCCESS 0x00
#define MP3_WTV020SD_GPIO_MODE 0x01
#define MP3_WTV020SD_LINE_MODE 0x02
#define MP3_WTV020SD_IDLE 0x00
#define MP3_WTV020SD_BUSY 0x0F
/* -------------------------------------------------------------------------- */
#define MP3_WTV020SD_PLAY_PAUSE_VAL 0xFFFE
#define MP3_WTV020SD_STOP_VAL 0xFFFF
#define MP3_WTV020SD_VOLUME_MIN 0xFFF0
#define MP3_WTV020SD_VOLUME_MAX 0xFFF7
/* -------------------------------------------------------------------------- */
#define MP3_USEC_DELAY 1000
#define MP3_USEC_CMD_DELAY 100
#define MP3_USEC_RESET_DELAY ((MP3_USEC_DELAY) * 30)
/* -------------------------------------------------------------------------- */
#define MP3_TRACK_BASE 0 /* 0000.ad4 */
/* -------------------------------------------------------------------------- */
/**
* \brief Init function for the MP3 driver
*
* Configures the pins required to operate in either driver mode
*
* \param mode drive the board using GPIOs or the two-line mode, using
* either MP3_WTV020SD_GPIO_MODE or MP3_WTV020SD_LINE_MODE
* \return MP3_WTV020SD_ERROR if invalid mode selected, otherwise it
* will return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_config(uint8_t mode);
/**
* \brief Function to play a current track
*
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_gpio_play(void);
/**
* \brief Function to stop a current track
*
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_gpio_stop(void);
/**
* \brief Advances and play the next track, wraps over the playlist
*
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_gpio_next(void);
/**
* \brief Get the current status of the device (playing/stopped)
*
* \return MP3_WTV020SD_BUSY if a track is playing, otherwise it will
* return MP3_WTV020SD_IDLE
*/
int mp3_wtv020sd_busy(void);
/**
* \brief Trigger a module reset
*
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_reset(void);
/**
* \brief Plays the selected track and waits until it stops
*
* \param track forwards and play the selected track, starting from
* MP3_TRACK_BASE (0000.ad4) up to MP3_TRACK_BASE + 511
* (0511.ad4)
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_sync_play(uint16_t track);
/**
* \brief Plays the selected track and returns immediately
*
* \param track forwards and play the selected track, starting from
* MP3_TRACK_BASE (0000.ad4) up to MP3_TRACK_BASE + 511
* (0511.ad4)
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_async_play(uint16_t track);
/**
* \brief Stops the current track
*
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_stop(void);
/**
* \brief Pauses the current track
*
* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
* return MP3_WTV020SD_SUCCESS
*/
int mp3_wtv020sd_pause(void);
/* -------------------------------------------------------------------------- */
#endif /* ifndef MP3_WTV020SD_H_ */
/* -------------------------------------------------------------------------- */
/**
* @}
* @}
*/