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160 lines
6.1 KiB
C
160 lines
6.1 KiB
C
/*
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* Copyright (c) 2015, Zolertia
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* -------------------------------------------------------------------------- */
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/**
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* \addtogroup remote-sensors
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* @{
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*
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* \defgroup remote-mp3-wtv020sd Re-Mote MP3 WTV020SD driver
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*
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* Driver to control the MP3 WTV020SD board in MP3 mode (GPIO based) and the
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* 2-line serial mode (CLK/DI). Loop Mode and Key Modes not implemented.
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* More product information available at:
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* http://avrproject.ru/chasy-budilnik/WTV020SD.pdf
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* An example on how to wire with a sound power amplifier and speakers at
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* http://www.hackster.io/zolertia
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* Based on the Arduino Wtv020sd16p library
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* @{
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*
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* \file
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* Header file for the MP3 WTV020SD driver
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*/
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/* -------------------------------------------------------------------------- */
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#ifndef MP3_WTV020SD_H_
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#define MP3_WTV020SD_H_
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/* -------------------------------------------------------------------------- */
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#include <stdint.h>
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/* -------------------------------------------------------------------------- */
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#define MP3_WTV020SD_ERROR -1
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#define MP3_WTV020SD_SUCCESS 0x00
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#define MP3_WTV020SD_GPIO_MODE 0x01
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#define MP3_WTV020SD_LINE_MODE 0x02
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#define MP3_WTV020SD_IDLE 0x00
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#define MP3_WTV020SD_BUSY 0x0F
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/* -------------------------------------------------------------------------- */
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#define MP3_WTV020SD_PLAY_PAUSE_VAL 0xFFFE
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#define MP3_WTV020SD_STOP_VAL 0xFFFF
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#define MP3_WTV020SD_VOLUME_MIN 0xFFF0
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#define MP3_WTV020SD_VOLUME_MAX 0xFFF7
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/* -------------------------------------------------------------------------- */
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#define MP3_USEC_DELAY 1000
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#define MP3_USEC_CMD_DELAY 100
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#define MP3_USEC_RESET_DELAY ((MP3_USEC_DELAY) * 30)
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/* -------------------------------------------------------------------------- */
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#define MP3_TRACK_BASE 0 /* 0000.ad4 */
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/* -------------------------------------------------------------------------- */
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/**
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* \brief Init function for the MP3 driver
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*
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* Configures the pins required to operate in either driver mode
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*
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* \param mode drive the board using GPIOs or the two-line mode, using
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* either MP3_WTV020SD_GPIO_MODE or MP3_WTV020SD_LINE_MODE
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* \return MP3_WTV020SD_ERROR if invalid mode selected, otherwise it
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* will return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_config(uint8_t mode);
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/**
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* \brief Function to play a current track
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*
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_gpio_play(void);
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/**
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* \brief Function to stop a current track
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*
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_gpio_stop(void);
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/**
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* \brief Advances and play the next track, wraps over the playlist
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*
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_gpio_next(void);
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/**
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* \brief Get the current status of the device (playing/stopped)
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*
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* \return MP3_WTV020SD_BUSY if a track is playing, otherwise it will
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* return MP3_WTV020SD_IDLE
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*/
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int mp3_wtv020sd_busy(void);
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/**
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* \brief Trigger a module reset
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*
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_reset(void);
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/**
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* \brief Plays the selected track and waits until it stops
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*
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* \param track forwards and play the selected track, starting from
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* MP3_TRACK_BASE (0000.ad4) up to MP3_TRACK_BASE + 511
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* (0511.ad4)
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_sync_play(uint16_t track);
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/**
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* \brief Plays the selected track and returns immediately
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*
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* \param track forwards and play the selected track, starting from
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* MP3_TRACK_BASE (0000.ad4) up to MP3_TRACK_BASE + 511
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* (0511.ad4)
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_async_play(uint16_t track);
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/**
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* \brief Stops the current track
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*
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_stop(void);
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/**
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* \brief Pauses the current track
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*
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* \return MP3_WTV020SD_ERROR if invalid mode used, otherwise it will
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* return MP3_WTV020SD_SUCCESS
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*/
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int mp3_wtv020sd_pause(void);
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/* -------------------------------------------------------------------------- */
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#endif /* ifndef MP3_WTV020SD_H_ */
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/* -------------------------------------------------------------------------- */
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/**
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* @}
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* @}
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*/
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