doohoyi/espd
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

2
.gitignore vendored
View file

@ -1 +1,3 @@
build
dependencies.lock
managed_components

5
CMakeLists.txt
View file

@ -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
View file

@ -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
View file

@ -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
@ -111,33 +114,50 @@ 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
View file

@ -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