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attempts to get running on lyrat boards. Loads OK but inputs and outputs

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silence.  Still questionable but audible output from generic ESP32 boards
with MAX98357A DAC/AMP and INMP 441 MEMS mic.
This commit is contained in:
Miller Puckette 2024-09-17 16:49:51 +02:00
parent a82b66eb39
commit 3c604699ba
5 changed files with 61 additions and 33 deletions
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2
.gitignore vendored
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@ -1 +1,3 @@
build
dependencies.lock
managed_components

5
CMakeLists.txt
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@ -2,5 +2,10 @@
# in this exact order for cmake to work correctly
cmake_minimum_required(VERSION 3.5)
# for LyraT boards uncomment this line and use "esp_adf" instead of "esp_idf":
#
# include($ENV{ADF_PATH}/CMakeLists.txt)
#
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(espd)

1
README.txt
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@ -69,6 +69,7 @@ export IDF_PATH=~/bis/var/esp/esp-idf
for LyraT boards:
### FIRST edit Cmakelists.txt to enable esp_adf ###
export IDF_TOOLS_PATH=~/bis/var/esp/tools
export ADF_PATH=~/bis/var/esp/esp-adf
. $ADF_PATH/esp-idf/export.sh

50
main/espd.c
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@ -9,11 +9,13 @@
#include "espd.h"
#include <string.h>
#include <math.h>g
#include <math.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#ifdef PD_LYRAT
#include "board.h"
#endif /* PD_LYRAT */
#include "driver/i2s.h"
#include "esp_log.h"
#include "nvs.h"
#include "nvs_flash.h"
@ -102,8 +104,9 @@ void senddacs( void)
static void initdacs( void)
{
i2s_config_t i2s_config = {
.mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_TX
i2s_config_t i2s_config =
{
.mode = (I2S_MODE_MASTER | I2S_MODE_TX
#ifdef USEADC
| I2S_MODE_RX
#endif
@ -111,34 +114,51 @@ static void initdacs( void)
.sample_rate = 48000,
.bits_per_sample = I2S_BITS_PER_SAMPLE_16BIT,
.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT,
.communication_format =
(i2s_comm_format_t)(I2S_COMM_FORMAT_STAND_I2S),
.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1, /* high interrupt priority */
.communication_format = I2S_COMM_FORMAT_STAND_I2S,
.dma_buf_count = 16,
.dma_buf_len = 256,
#ifdef PD_LYRAT
.use_apll=1,
#else
.use_apll=0,
#endif
.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1, /* high interrupt priority */
.tx_desc_auto_clear= true,
.fixed_mclk=-1 };
i2s_pin_config_t i2s_pin_cfg = {
#if 1 /* generic board on big breadboard */
.fixed_mclk=-1
};
ESP_LOGI(TAG, "[ 1 ] Start audio codec chip");
#ifdef PD_LYRAT
audio_board_handle_t board_handle = audio_board_init();
audio_hal_ctrl_codec(board_handle->audio_hal,
AUDIO_HAL_CODEC_MODE_BOTH, AUDIO_HAL_CTRL_START);
audio_hal_set_volume(board_handle->audio_hal, 100);
#endif
i2s_driver_install(TEST_I2S_NUM, &i2s_config, 0, NULL);
#ifndef PD_LYRAT
{
i2s_pin_config_t i2s_pin_cfg =
{
#if 1 /* generic board 1 - edit this as needed */
.bck_io_num = 13, /* bit clock */
.ws_io_num = 33, /* Word select, aka left right clock */
.data_out_num = 32, /* Data out from ESP32, to DIN on 38357A */
.data_in_num = 35 /* data from ADC */
#endif
#if 0
#if 0 /* generic board 2 */
.bck_io_num = 33, /* bit clock */
.ws_io_num = 25, /* Word select, aka left right clock */
.data_out_num = 32, /* Data out from ESP32, to DIN on 38357A */
.data_in_num = I2S_PIN_NO_CHANGE /* no ADC */
#endif
};
ESP_LOGI(TAG, "[ 1 ] Start audio codec chip");
i2s_driver_install(TEST_I2S_NUM, &i2s_config, 0, NULL);
i2s_set_pin(TEST_I2S_NUM, &i2s_pin_cfg);
}
#endif /* not PD_LYRAT */
}
static int audiostate;

8
main/espd.h
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@ -1,7 +1,7 @@
/* #define PD_USE_BLUETOOTH */
/* #define PD_USE_WIFI */
#define PD_USE_CONSOLE
/* #define PD_USE_BLUETOOTH */ /* messages to Pd over bluetooth */
/* #define PD_USE_WIFI */ /* messages to/from Pd over wifi TCP */
#define PD_USE_CONSOLE /* messages to Pd over "console" (USB serial) */
/* #define PD_LYRAT */ /* using LyraT or LyraT mini board */
/* task priorities */
#define PRIORITY_WIFI 2