mirror of
https://github.com/apache/nuttx.git
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boards/esp32-lyrat: Add support for the ES8388 codec
This commit is contained in:
Lucas Saavedra Vaz
committed by
Alan Carvalho de Assis
Alan Carvalho de Assis
parent
fa0ccce046
commit
bcafc77cf8
BIN
Binary file not shown.
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After Width: | Height: | Size: 21 KiB |
@@ -126,6 +126,10 @@ between speakers and headphones is under software control instead of using
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mechanical contacts that would disconnect speakers once a headphone jack is
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inserted.
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.. note::
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The codec implementation on the LyraT board was validated using 16-bit,
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44.1kHz WAV files. Other configurations might not work as expected.
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SD card
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=======
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@@ -386,6 +390,49 @@ JTAG Header / JP7
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Configurations
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==============
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audio
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-----
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This configuration uses the I2S0 peripheral and the ES8388 audio codec
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present on the LyraT board to play an audio file streamed over HTTP
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while connected to a Wi-Fi network.
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**Simple HTTP server**
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Prepare a PCM-encoded (`.wav`) audio file with 16 bits/sample (sampled at
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44.1kHz). This file must be placed into a folder in a computer that could
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be accessed on the same Wi-Fi network the ESP32 will be connecting to.
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Python provides a simple HTTP server. `cd` to the audio file folder on the
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PC and run::
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$ python3 -m http.server
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Serving HTTP on 0.0.0.0 port 8000 (http://0.0.0.0:8000/)
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Look for your PC IP address and test playing the prepared audio on your
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browser:
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.. figure:: esp32-lyrat-v4.3-audio-config-file.png
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:align: center
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After successfully built and flashed, connect the board to the Wi-Fi network::
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$ nsh> wapi psk wlan0 mypasswd 1
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$ nsh> wapi essid wlan0 myssid 1
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$ nsh> renew wlan0
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Once connected, open NuttX's player and play the file according to its file
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name and the IP address of the HTTP server (For example `tones.wav` and
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`192.168.1.239:8000`, respectively)::
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$ nsh> nxplayer
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$ nxplayer> play http://192.168.1.239:8000/tones.wav
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.. note::
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The codec implementation on the LyraT board was validated using 16-bit,
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44.1kHz WAV files. Other configurations might not work as expected.
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nsh
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---
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@@ -0,0 +1,90 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/include/esp32_es8388.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_ES8388_H
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#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_ES8388_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: esp32_es8388_initialize
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*
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* Description:
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* This function is called by platform-specific, setup logic to configure
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* and register the ES8388 device. This function will register the driver
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* as /dev/audio/pcm[x] where x is determined by the I2S port number.
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*
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* Input Parameters:
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* i2c_port - The I2C port used for the device
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* i2c_addr - The I2C address used by the device
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* i2c_freq - The I2C frequency used for the device
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* i2s_port - The I2S port used for the device
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*
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* Returned Value:
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* Zero is returned on success. Otherwise, a negated errno value is
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* returned to indicate the nature of the failure.
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*
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****************************************************************************/
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int esp32_es8388_initialize(int i2c_port, uint8_t i2c_addr, int i2c_freq,
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int i2s_port);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_ES8388_H */
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@@ -48,6 +48,10 @@ ifeq ($(CONFIG_AUDIO_CS4344),y)
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CSRCS += esp32_cs4344.c
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endif
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ifeq ($(CONFIG_AUDIO_ES8388),y)
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CSRCS += esp32_es8388.c
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endif
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ifeq ($(CONFIG_I2CMULTIPLEXER_TCA9548A),y)
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CSRCS += esp32_tca9548a.c
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endif
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@@ -37,8 +37,8 @@
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#include "esp32_i2s.h"
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#if defined(CONFIG_ESP32_I2S0) && !defined(CONFIG_AUDIO_CS4344) || \
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defined(CONFIG_ESP32_I2S1)
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#if defined(CONFIG_ESP32_I2S0) && !defined(CONFIG_AUDIO_CS4344) && \
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!defined(CONFIG_AUDIO_ES8388) || defined(CONFIG_ESP32_I2S1)
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/****************************************************************************
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* Public Functions
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@@ -111,4 +111,5 @@ int board_i2sdev_initialize(int port)
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return ret;
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}
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#endif /* CONFIG_ESP32_I2S0 && !CONFIG_AUDIO_CS4344 || CONFIG_ESP32_I2S1 */
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#endif /* CONFIG_ESP32_I2S0 && !CONFIG_AUDIO_CS4344 && \ *
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* !CONFIG_AUDIO_ES8388 || CONFIG_ESP32_I2S1 */
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@@ -0,0 +1,193 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/src/esp32_es8388.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <debug.h>
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#include <assert.h>
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#include <errno.h>
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#include <nuttx/irq.h>
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#include <nuttx/audio/i2s.h>
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#include <nuttx/audio/pcm.h>
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#include <nuttx/audio/es8388.h>
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#include <nuttx/i2c/i2c_master.h>
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#include <nuttx/kmalloc.h>
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#include <arch/board/board.h>
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#include "esp32_board_i2c.h"
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#include "esp32_i2c.h"
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#include "esp32_i2s.h"
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#if defined(CONFIG_ESP32_I2S) && defined(CONFIG_AUDIO_ES8388)
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: esp32_es8388_initialize
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*
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* Description:
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* This function is called by platform-specific, setup logic to configure
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* and register the ES8388 device. This function will register the driver
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* as /dev/audio/pcm[x] where x is determined by the I2S port number.
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*
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* Input Parameters:
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* i2c_port - The I2C port used for the device
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* i2c_addr - The I2C address used by the device
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* i2c_freq - The I2C frequency used for the device
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* i2s_port - The I2S port used for the device
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*
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* Returned Value:
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* Zero is returned on success. Otherwise, a negated errno value is
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* returned to indicate the nature of the failure.
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*
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****************************************************************************/
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int esp32_es8388_initialize(int i2c_port, uint8_t i2c_addr, int i2c_freq,
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int i2s_port)
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{
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struct audio_lowerhalf_s *es8388;
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struct audio_lowerhalf_s *pcm;
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struct es8388_lower_s *lower;
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struct i2s_dev_s *i2s;
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struct i2c_master_s *i2c;
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static bool initialized = false;
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char devname[12];
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int ret;
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audinfo("i2s_port %d\ni2c_port %d, i2c_addr %d, i2c_freq %d\n",
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i2s_port, i2c_port, i2c_addr, i2c_freq);
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DEBUGASSERT(i2s_port >= 0 && i2s_port <= 1 && \
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i2c_port >= 0 && i2c_port <= 1);
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/* Have we already initialized? Since we never uninitialize we must
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* prevent multiple initializations. This is necessary, for example,
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* when the touchscreen example is used as a built-in application in
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* NSH and can be called numerous time. It will attempt to initialize
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* each time.
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*/
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if (!initialized)
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{
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/* Get an instance of the I2S interface for the ES8388 data channel */
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i2s = esp32_i2sbus_initialize(i2s_port);
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if (i2s == NULL)
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{
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auderr("ERROR: Failed to initialize I2S%d\n", i2s_port);
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ret = -ENODEV;
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goto errout;
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}
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i2c = esp32_i2cbus_initialize(i2c_port);
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if (i2c == NULL)
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{
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auderr("ERROR: Failed to initialize I2C%d\n", i2c_port);
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ret = -ENODEV;
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goto errout;
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}
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/* Check wheter to enable a simple character driver that supports I2S
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* transfers via a read() and write(). The intent of this driver is to
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* support I2S testing. It is not an audio driver but does conform to
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* some of the buffer management heuristics of an audio driver. It is
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* not suitable for use in any real driver application in its current
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* form. The i2schar driver will be initialized at /dev/i2schar0
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*/
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#ifdef CONFIG_AUDIO_I2SCHAR
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ret = i2schar_register(i2s, 0);
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if (ret < 0)
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{
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auderr("ERROR: i2schar_register failed: %d\n", ret);
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goto errout;
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}
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#endif
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/* Now we can use this I2S interface to initialize the ES8388 which
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* will return an audio interface.
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*/
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lower = (FAR struct es8388_lower_s *)
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kmm_zalloc(sizeof(struct es8388_lower_s));
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lower->address = i2c_addr,
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lower->frequency = i2c_freq,
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es8388 = es8388_initialize(i2c, i2s, lower);
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if (es8388 == NULL)
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{
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auderr("ERROR: Failed to initialize the ES8388\n");
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ret = -ENODEV;
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goto errout;
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}
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/* Now we can embed the ES8388/I2S conglomerate into a PCM decoder
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* instance so that we will have a PCM front end for the the ES8388
|
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* driver.
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*/
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pcm = pcm_decode_initialize(es8388);
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if (pcm == NULL)
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{
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auderr("ERROR: Failed create the PCM decoder\n");
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ret = -ENODEV;
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goto errout;
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}
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/* Create a device name */
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snprintf(devname, 12, "pcm%d", i2s_port);
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/* Finally, we can register the PCM/ES8388/I2S audio device. */
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ret = audio_register(devname, pcm);
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if (ret < 0)
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{
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auderr("ERROR: Failed to register /dev/%s device: %d\n",
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devname, ret);
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goto errout;
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}
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/* Now we are initialized */
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initialized = true;
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}
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return OK;
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|
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errout:
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return ret;
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}
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|
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#endif /* CONFIG_ESP32_I2S && CONFIG_AUDIO_ES8388 */
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@@ -0,0 +1,127 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
|
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
|
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
|
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# modifications.
|
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#
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# CONFIG_ARCH_LEDS is not set
|
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# CONFIG_ESP32_I2S0_RX is not set
|
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# CONFIG_NDEBUG is not set
|
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# CONFIG_NSH_ARGCAT is not set
|
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
|
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# CONFIG_NSH_CMDPARMS is not set
|
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CONFIG_ALLOW_BSD_COMPONENTS=y
|
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CONFIG_ARCH="xtensa"
|
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CONFIG_ARCH_BOARD="esp32-lyrat"
|
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CONFIG_ARCH_BOARD_COMMON=y
|
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CONFIG_ARCH_BOARD_ESP32_LYRAT=y
|
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CONFIG_ARCH_CHIP="esp32"
|
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CONFIG_ARCH_CHIP_ESP32=y
|
||||
CONFIG_ARCH_CHIP_ESP32WROVER=y
|
||||
CONFIG_ARCH_INTERRUPTSTACK=4096
|
||||
CONFIG_ARCH_STACKDUMP=y
|
||||
CONFIG_ARCH_XTENSA=y
|
||||
CONFIG_AUDIO=y
|
||||
CONFIG_AUDIOUTILS_MMLPARSER_LIB=y
|
||||
CONFIG_AUDIO_BUFFER_NUMBYTES=4096
|
||||
CONFIG_AUDIO_ES8388=y
|
||||
CONFIG_AUDIO_EXCLUDE_FFORWARD=y
|
||||
CONFIG_AUDIO_EXCLUDE_TONE=y
|
||||
CONFIG_AUDIO_I2S=y
|
||||
CONFIG_AUDIO_I2SCHAR=y
|
||||
CONFIG_AUDIO_NUM_BUFFERS=4
|
||||
CONFIG_BOARDCTL_ROMDISK=y
|
||||
CONFIG_BOARD_LOOPSPERMSEC=16717
|
||||
CONFIG_BUILTIN=y
|
||||
CONFIG_DEBUG_NOOPT=y
|
||||
CONFIG_DEFAULT_TASK_STACKSIZE=4096
|
||||
CONFIG_DEV_URANDOM=y
|
||||
CONFIG_DRIVERS_AUDIO=y
|
||||
CONFIG_DRIVERS_IEEE80211=y
|
||||
CONFIG_DRIVERS_WIRELESS=y
|
||||
CONFIG_ESP32_I2C0=y
|
||||
CONFIG_ESP32_I2C0_SCLPIN=23
|
||||
CONFIG_ESP32_I2C0_SDAPIN=18
|
||||
CONFIG_ESP32_I2S0=y
|
||||
CONFIG_ESP32_I2S0_BCLKPIN=5
|
||||
CONFIG_ESP32_I2S0_DATA_BIT_WIDTH_16BIT=y
|
||||
CONFIG_ESP32_I2S0_DOUTPIN=26
|
||||
CONFIG_ESP32_I2S0_MCLK=y
|
||||
CONFIG_ESP32_I2S0_WSPIN=25
|
||||
CONFIG_ESP32_I2S=y
|
||||
CONFIG_ESP32_SPIFLASH=y
|
||||
CONFIG_ESP32_STORAGE_MTD_SIZE=0x80000
|
||||
CONFIG_ESP32_UART0=y
|
||||
CONFIG_ESP32_WIFI=y
|
||||
CONFIG_ESP32_WIFI_SAVE_PARAM=y
|
||||
CONFIG_EXAMPLES_I2SCHAR=y
|
||||
CONFIG_EXAMPLES_I2SCHAR_TX=y
|
||||
CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS=2
|
||||
CONFIG_EXAMPLES_I2SCHAR_TXSTACKSIZE=2048
|
||||
CONFIG_EXAMPLES_ROMFS=y
|
||||
CONFIG_FS_PROCFS=y
|
||||
CONFIG_FS_ROMFS=y
|
||||
CONFIG_HAVE_CXX=y
|
||||
CONFIG_HAVE_CXXINITIALIZE=y
|
||||
CONFIG_I2C=y
|
||||
CONFIG_I2S_DMADESC_NUM=4
|
||||
CONFIG_IDLETHREAD_STACKSIZE=3072
|
||||
CONFIG_INIT_ENTRYPOINT="nsh_main"
|
||||
CONFIG_INTELHEX_BINARY=y
|
||||
CONFIG_IOB_NBUFFERS=24
|
||||
CONFIG_IOB_THROTTLE=0
|
||||
CONFIG_MM_CIRCBUF=y
|
||||
CONFIG_MM_REGIONS=3
|
||||
CONFIG_NAME_MAX=48
|
||||
CONFIG_NETDB_DNSCLIENT=y
|
||||
CONFIG_NETDB_DNSCLIENT_NAMESIZE=64
|
||||
CONFIG_NETDEV_LATEINIT=y
|
||||
CONFIG_NETDEV_PHY_IOCTL=y
|
||||
CONFIG_NETDEV_WIRELESS_IOCTL=y
|
||||
CONFIG_NETINIT_WAPI_ALG=1
|
||||
CONFIG_NETUTILS_IPERF=y
|
||||
CONFIG_NETUTILS_TELNETD=y
|
||||
CONFIG_NET_BROADCAST=y
|
||||
CONFIG_NET_ETH_PKTSIZE=1518
|
||||
CONFIG_NET_ICMP=y
|
||||
CONFIG_NET_ICMP_SOCKET=y
|
||||
CONFIG_NET_NACTIVESOCKETS=32
|
||||
CONFIG_NET_STATISTICS=y
|
||||
CONFIG_NET_TCP=y
|
||||
CONFIG_NET_TCP_DELAYED_ACK=y
|
||||
CONFIG_NET_TCP_WRITE_BUFFERS=y
|
||||
CONFIG_NET_UDP=y
|
||||
CONFIG_NSH_ARCHINIT=y
|
||||
CONFIG_NSH_BUILTIN_APPS=y
|
||||
CONFIG_NSH_FILEIOSIZE=512
|
||||
CONFIG_NSH_LINELEN=300
|
||||
CONFIG_NSH_READLINE=y
|
||||
CONFIG_NXPLAYER_HTTP_STREAMING_SUPPORT=y
|
||||
CONFIG_NXPLAYER_PLAYTHREAD_STACKSIZE=4096
|
||||
CONFIG_POSIX_SPAWN_DEFAULT_STACKSIZE=2048
|
||||
CONFIG_PREALLOC_TIMERS=4
|
||||
CONFIG_PTHREAD_MUTEX_TYPES=y
|
||||
CONFIG_PTHREAD_STACK_DEFAULT=2048
|
||||
CONFIG_RAM_SIZE=114688
|
||||
CONFIG_RAM_START=0x20000000
|
||||
CONFIG_RR_INTERVAL=200
|
||||
CONFIG_SCHED_HPWORK=y
|
||||
CONFIG_SCHED_HPWORKSTACKSIZE=2048
|
||||
CONFIG_SCHED_LPWORK=y
|
||||
CONFIG_SCHED_WAITPID=y
|
||||
CONFIG_SIG_DEFAULT=y
|
||||
CONFIG_SPI=y
|
||||
CONFIG_START_DAY=6
|
||||
CONFIG_START_MONTH=12
|
||||
CONFIG_START_YEAR=2011
|
||||
CONFIG_SYSTEM_DHCPC_RENEW=y
|
||||
CONFIG_SYSTEM_NSH=y
|
||||
CONFIG_SYSTEM_NXPLAYER=y
|
||||
CONFIG_SYSTEM_PING=y
|
||||
CONFIG_TELNET_CHARACTER_MODE=y
|
||||
CONFIG_TLS_TASK_NELEM=4
|
||||
CONFIG_UART0_SERIAL_CONSOLE=y
|
||||
CONFIG_WIRELESS=y
|
||||
CONFIG_WIRELESS_WAPI=y
|
||||
CONFIG_WIRELESS_WAPI_CMDTOOL=y
|
||||
@@ -17,10 +17,17 @@ CONFIG_ARCH_BOARD_ESP32_LYRAT=y
|
||||
CONFIG_ARCH_CHIP="esp32"
|
||||
CONFIG_ARCH_CHIP_ESP32=y
|
||||
CONFIG_ARCH_CHIP_ESP32WROVER=y
|
||||
CONFIG_ARCH_INTERRUPTSTACK=2048
|
||||
CONFIG_ARCH_STACKDUMP=y
|
||||
CONFIG_ARCH_XTENSA=y
|
||||
CONFIG_BOARD_LOOPSPERMSEC=16717
|
||||
CONFIG_BUILTIN=y
|
||||
CONFIG_DEBUG_ASSERTIONS=y
|
||||
CONFIG_DEBUG_FEATURES=y
|
||||
CONFIG_DEBUG_FULLOPT=y
|
||||
CONFIG_DEBUG_SYMBOLS=y
|
||||
CONFIG_DEFAULT_TASK_STACKSIZE=4096
|
||||
CONFIG_DEV_URANDOM=y
|
||||
CONFIG_DRIVERS_IEEE80211=y
|
||||
CONFIG_DRIVERS_WIRELESS=y
|
||||
CONFIG_ESP32_SPIFLASH=y
|
||||
@@ -30,28 +37,34 @@ CONFIG_ESP32_UART0=y
|
||||
CONFIG_ESP32_WIFI=y
|
||||
CONFIG_ESP32_WIFI_SAVE_PARAM=y
|
||||
CONFIG_FS_PROCFS=y
|
||||
CONFIG_HAVE_CXX=y
|
||||
CONFIG_HAVE_CXXINITIALIZE=y
|
||||
CONFIG_IDLETHREAD_STACKSIZE=3072
|
||||
CONFIG_INIT_ENTRYPOINT="nsh_main"
|
||||
CONFIG_INIT_STACKSIZE=3072
|
||||
CONFIG_INTELHEX_BINARY=y
|
||||
CONFIG_MM_REGIONS=3
|
||||
CONFIG_NAME_MAX=48
|
||||
CONFIG_NETDB_DNSCLIENT=y
|
||||
CONFIG_NETDB_DNSCLIENT_NAMESIZE=64
|
||||
CONFIG_NETDEV_LATEINIT=y
|
||||
CONFIG_NETDEV_PHY_IOCTL=y
|
||||
CONFIG_NETDEV_WIRELESS_IOCTL=y
|
||||
CONFIG_NETUTILS_IPERF=y
|
||||
CONFIG_NETUTILS_TELNETD=y
|
||||
CONFIG_NET_BROADCAST=y
|
||||
CONFIG_NET_ETH_PKTSIZE=1518
|
||||
CONFIG_NET_ICMP=y
|
||||
CONFIG_NET_ICMP_SOCKET=y
|
||||
CONFIG_NET_NACTIVESOCKETS=32
|
||||
CONFIG_NET_STATISTICS=y
|
||||
CONFIG_NET_TCP=y
|
||||
CONFIG_NET_TCP_DELAYED_ACK=y
|
||||
CONFIG_NET_TCP_WRITE_BUFFERS=y
|
||||
CONFIG_NET_UDP=y
|
||||
CONFIG_NSH_ARCHINIT=y
|
||||
CONFIG_NSH_BUILTIN_APPS=y
|
||||
CONFIG_NSH_FILEIOSIZE=512
|
||||
CONFIG_NSH_LINELEN=64
|
||||
CONFIG_NSH_LINELEN=300
|
||||
CONFIG_NSH_READLINE=y
|
||||
CONFIG_POSIX_SPAWN_DEFAULT_STACKSIZE=2048
|
||||
CONFIG_PREALLOC_TIMERS=4
|
||||
CONFIG_PTHREAD_MUTEX_TYPES=y
|
||||
CONFIG_RAM_SIZE=114688
|
||||
@@ -62,15 +75,17 @@ CONFIG_SCHED_WAITPID=y
|
||||
CONFIG_SIG_DEFAULT=y
|
||||
CONFIG_SPI=y
|
||||
CONFIG_SPIFFS_NAME_MAX=48
|
||||
CONFIG_STACK_COLORATION=y
|
||||
CONFIG_START_DAY=6
|
||||
CONFIG_START_MONTH=12
|
||||
CONFIG_START_YEAR=2011
|
||||
CONFIG_SYSTEM_DHCPC_RENEW=y
|
||||
CONFIG_SYSTEM_NSH=y
|
||||
CONFIG_SYSTEM_PING=y
|
||||
CONFIG_SYSTEM_STACKMONITOR=y
|
||||
CONFIG_TELNET_CHARACTER_MODE=y
|
||||
CONFIG_TLS_TASK_NELEM=4
|
||||
CONFIG_UART0_SERIAL_CONSOLE=y
|
||||
CONFIG_WIRELESS=y
|
||||
CONFIG_WIRELESS_WAPI=y
|
||||
CONFIG_WIRELESS_WAPI_CMDTOOL=y
|
||||
CONFIG_WIRELESS_WAPI_STACKSIZE=4096
|
||||
|
||||
@@ -56,13 +56,14 @@
|
||||
|
||||
/* ES8388 CODEC */
|
||||
|
||||
#define ES8388_CCLK 23
|
||||
#define ES8388_CDATA 18
|
||||
#define ES8388_MCLK 0
|
||||
#define ES8388_SCLK 5
|
||||
#define ES8388_LRCK 25
|
||||
#define ES8388_DSDIN 26
|
||||
#define ES8388_ASDOUT 35
|
||||
#define ES8388_I2C_CCLK 23 /* SCL */
|
||||
#define ES8388_I2C_CDATA 18 /* SDA */
|
||||
|
||||
#define ES8388_I2S_MCLK 0 /* Master clock */
|
||||
#define ES8388_I2S_SCLK 5 /* Audio data bit clock */
|
||||
#define ES8388_I2S_LRCK 25 /* Audio data left and right clock */
|
||||
#define ES8388_I2S_DSDIN 26 /* DAC audio data (to speakers) */
|
||||
#define ES8388_I2S_ASDOUT 35 /* ADC audio data (from microphone) */
|
||||
|
||||
/* LED definitions **********************************************************/
|
||||
|
||||
@@ -76,4 +77,11 @@
|
||||
#define BOARD_NGPIOIN 1 /* Amount of GPIO Input without Interruption */
|
||||
#define BOARD_NGPIOINT 1 /* Amount of GPIO Input w/ Interruption pins */
|
||||
|
||||
/* Peripherals definitions **************************************************/
|
||||
|
||||
/* ES8388 CODEC */
|
||||
|
||||
#define ES8388_I2C_FREQ 400000
|
||||
#define ES8388_I2C_ADDR 0x10
|
||||
|
||||
#endif /* __BOARDS_XTENSA_ESP32_ESP32_LYRAT_INCLUDE_BOARD_H */
|
||||
|
||||
@@ -39,6 +39,10 @@
|
||||
|
||||
#define GPIO_LED1 22
|
||||
|
||||
/* Audio Amplifier */
|
||||
|
||||
#define SPEAKER_ENABLE_GPIO 21
|
||||
|
||||
/* Buttons */
|
||||
|
||||
/* As BOOT_BUTTON shares pins with I2S and the SD card it cannot be used
|
||||
@@ -92,6 +96,52 @@
|
||||
|
||||
int esp32_bringup(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: esp32_es8388_initialize
|
||||
*
|
||||
* Description:
|
||||
* This function is called by platform-specific, setup logic to configure
|
||||
* and register the ES8388 device. This function will register the driver
|
||||
* as /dev/audio/pcm[x] where x is determined by the I2S port number.
|
||||
*
|
||||
* Input Parameters:
|
||||
* i2c_port - The I2C port used for the device
|
||||
* i2c_addr - The I2C address used by the device
|
||||
* i2c_freq - The I2C frequency used for the device
|
||||
* i2s_port - The I2S port used for the device
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero is returned on success. Otherwise, a negated errno value is
|
||||
* returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int esp32_es8388_initialize(int i2c_port, uint8_t i2c_addr, int i2c_freq,
|
||||
int i2s_port);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_i2sdev_initialize
|
||||
*
|
||||
* Description:
|
||||
* This function is called by platform-specific, setup logic to configure
|
||||
* and register the generic I2S audio driver. This function will register
|
||||
* the driver as /dev/audio/pcm[x] where x is determined by the I2S port
|
||||
* number.
|
||||
*
|
||||
* Input Parameters:
|
||||
* port - The I2S port used for the device
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero is returned on success. Otherwise, a negated errno value is
|
||||
* returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#if defined CONFIG_ESP32_I2S0 && !defined CONFIG_AUDIO_ES8388 || \
|
||||
defined CONFIG_ESP32_I2S1
|
||||
int board_i2sdev_initialize(int port);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: esp32_mmcsd_initialize
|
||||
*
|
||||
|
||||
@@ -40,6 +40,8 @@
|
||||
#include <nuttx/fs/fs.h>
|
||||
#include <nuttx/himem/himem.h>
|
||||
|
||||
#include "esp32_i2c.h"
|
||||
#include "esp32_gpio.h"
|
||||
#include "esp32_partition.h"
|
||||
|
||||
#include <arch/board/board.h>
|
||||
@@ -76,6 +78,10 @@
|
||||
# include "esp32_board_i2c.h"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32_I2S
|
||||
# include "esp32_i2s.h"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_SENSORS_BMP180
|
||||
# include "esp32_bmp180.h"
|
||||
#endif
|
||||
@@ -331,6 +337,54 @@ int esp32_bringup(void)
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32_I2S
|
||||
|
||||
#ifdef CONFIG_ESP32_I2S0
|
||||
|
||||
/* Configure I2S0 */
|
||||
|
||||
#ifdef CONFIG_AUDIO_ES8388
|
||||
|
||||
/* Configure ES8388 audio on I2C0 and I2S0 */
|
||||
|
||||
esp32_configgpio(SPEAKER_ENABLE_GPIO, OUTPUT);
|
||||
esp32_gpiowrite(SPEAKER_ENABLE_GPIO, true);
|
||||
|
||||
ret = esp32_es8388_initialize(ESP32_I2C0, ES8388_I2C_ADDR,
|
||||
ES8388_I2C_FREQ, ESP32_I2S0);
|
||||
if (ret != OK)
|
||||
{
|
||||
syslog(LOG_ERR, "Failed to initialize ES8388 audio: %d\n", ret);
|
||||
}
|
||||
#else
|
||||
|
||||
/* Configure I2S generic audio on I2S0 */
|
||||
|
||||
ret = board_i2sdev_initialize(ESP32_I2S0);
|
||||
if (ret < 0)
|
||||
{
|
||||
syslog(LOG_ERR, "Failed to initialize I2S%d driver: %d\n",
|
||||
CONFIG_ESP32_I2S0, ret);
|
||||
}
|
||||
#endif /* CONFIG_AUDIO_ES8388 */
|
||||
|
||||
#endif /* CONFIG_ESP32_I2S0 */
|
||||
|
||||
#ifdef CONFIG_ESP32_I2S1
|
||||
|
||||
/* Configure I2S generic audio on I2S1 */
|
||||
|
||||
ret = board_i2sdev_initialize(ESP32_I2S1);
|
||||
if (ret < 0)
|
||||
{
|
||||
syslog(LOG_ERR, "Failed to initialize I2S%d driver: %d\n",
|
||||
CONFIG_ESP32_I2S0, ret);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_ESP32_I2S1 */
|
||||
|
||||
#endif /* CONFIG_ESP32_I2S */
|
||||
|
||||
#ifdef CONFIG_SENSORS_BMP180
|
||||
/* Try to register BMP180 device in I2C0 */
|
||||
|
||||
|
||||
Reference in New Issue
Block a user