| /**************************************************************************** |
| * boards/xtensa/esp32/esp32-audio-kit/include/board.h |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __BOARDS_XTENSA_ESP32_ESP32_AUDIO_KIT_INCLUDE_BOARD_H |
| #define __BOARDS_XTENSA_ESP32_ESP32_AUDIO_KIT_INCLUDE_BOARD_H |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Clocking *****************************************************************/ |
| |
| /* The ESP32-LyraT board is fitted with either a 26 or a 40MHz crystal */ |
| |
| #ifdef CONFIG_ESP32_XTAL_26MHz |
| # define BOARD_XTAL_FREQUENCY 26000000 |
| #else |
| # define BOARD_XTAL_FREQUENCY 40000000 |
| #endif |
| |
| #ifdef CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ |
| # define BOARD_CLOCK_FREQUENCY (CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ * 1000000) |
| #else |
| # define BOARD_CLOCK_FREQUENCY 80000000 |
| #endif |
| |
| /* Button definitions *******************************************************/ |
| |
| /* GPIO definitions *********************************************************/ |
| |
| /* ES8388 CODEC */ |
| |
| #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 **********************************************************/ |
| |
| /* Define how many LEDs this board has (needed by userleds) */ |
| |
| #define BOARD_NLEDS 2 |
| |
| /* GPIO pins used by the GPIO Subsystem */ |
| |
| #define BOARD_NGPIOOUT 1 /* Amount of GPIO Output pins */ |
| #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_AUDIO_KIT_INCLUDE_BOARD_H */ |
