version working with audio output on CP2102 ESP32-DevKitC-32

.gitignore

@@ -2,3 +2,4 @@ build
 dependencies.lock
 managed_components
 main/locale.h
+sdkconfig

CMakeLists.txt

@@ -4,7 +4,7 @@ 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{ADF_PATH}/CMakeLists.txt)
 #
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)

README.txt

@@ -1,10 +1,13 @@
 This is a very sketchy description of the "espd" version of Pd, which runs on
-Espressif ESP32 bords, eoither generic ones (where you have to add your own
+Espressif ESP32 bords, either generic ones (where you have to add your own
 audio hardware) or LyraT or LyraT-mini boards (with built-in audio). To use
 these you will almost certainly have to compile your own version, at least
 either to include your own patch or to specify the WIFI settings in the file
 main/espd.h .
 
+The generic version can be used with INMP441 microphone and/or MAX98357A
+DSc/amplifier.  The SPH0645 mic is known NOT TO WORK with ESP32s.
+
 The instructions here work for me on linux; they _should_ work on macintoshes
 and PCs with appropriate changes (in the shell commands for instance).
 
@@ -20,7 +23,7 @@ default).  When the board is booted it will connect to that port.  When you get
 the connection, you can load a test patch on the esp, by sending the message "pd
 begin-new poodle .", then the contents of the patch, then "pd end-new" . 
 Whether you do this or rely on a pre-compiled patch, you can send messages to
-any named object (such as a "receive") on the ESP32 board.
+any named object (such as a "receive") on the ESP32 board
 
 To send a patch over wifi, you must compile and load espd on the board, boot the
 board, and then run a patch on the host computer that waits for the board to

main/espd.c

@@ -183,7 +183,7 @@ static void initdacs( void)
         .data_out_num = 32,       /* Data out from ESP32, to DIN on 38357A */
         .data_in_num = 35         /* data from ADC */
 #endif
-#if 0   /* generic board 2 */
+#if 0   /* complex arts sensorboard */
         .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 */

main/espd.h

@@ -2,10 +2,10 @@
 #define PD_USE_WIFI             /* messages to/from Pd over wifi TCP */
 #define PD_USE_CONSOLE          /* messages to Pd over "console" (USB serial) */
 /* #define PD_INCLUDEPATCH */   /* load the patch defined in "testpatch.c" */
-#define PD_LYRAT                /* using LyraT or LyraT mini board */
+/* #define PD_LYRAT */          /* using LyraT or LyraT mini board */
  #define USEADC                 /* enable audio input (output always enabled) */
-#define IOCHANS 1
-#define OBSOLETEAPI 1
+#define IOCHANS 2
+#define OBSOLETEAPI 0
 
 /* task priorities */
 #define  PRIORITY_WIFI 2

test-patch/host-patch.pd

@@ -1,4 +1,4 @@
-#N canvas 616 243 1262 545 12;
+#N canvas 383 59 1262 545 12;
 #X msg 373 294 listen 4498;
 #X obj 374 331 netreceive -u -f;
 #X listbox 481 365 26 0 0 0 - - - 0;
@@ -50,7 +50,7 @@
 #X obj 761 408 s bias;
 #X floatatom 778 382 10 0 0 0 - - - 0;
 #X obj 762 269 r int-bias;
-#X msg 941 34 \; int-bias 223 \; amp 0 \; freq 0;
+#X msg 899 31 \; int-bias 223 \; amp 0 \; freq 0;
 #X msg 904 275 \; int-bias \$1 \; amp 0 \; freq 0;
 #X msg 905 151 15;
 #X msg 938 151 31;
@@ -66,14 +66,14 @@
 #X obj 857 145 + 255;
 #X floatatom 858 117 5 0 0 0 - - - 0;
 #X msg 1166 155 639;
-#X msg 830 31 \; int-bias 255 \; amp 0 \; freq 0;
+#X msg 788 28 \; int-bias 255 \; amp 0 \; freq 0;
 #X msg 1134 153 510;
 #X msg 94 246 send pd foo 0;
 #X msg 81 296 send pd foo 2;
 #X floatatom 1053 395 11 0 0 0 - - - 0;
 #X obj 1053 446 s amp;
 #X obj 1053 420 / 200;
-#X msg 1058 36 \; amp 2 \; bias -1 \; freq 30;
+#X msg 1016 33 \; amp 2 \; bias -1 \; freq 30;
 #X obj 1014 241 bng 35 250 50 0 empty empty empty 0 -11 0 12 #fcfcfc #000000 #000000;
 #X obj 921 397 r pat;
 #X obj 110 425 r esp;
@@ -81,6 +81,9 @@
 #X obj 105 373 r seq;
 #X msg 749 455 \; esp send p1 bang;
 #X msg 752 494 \; esp send p2 bang;
+#X msg 1184 35 \; amp 0 \; bias 0 \; freq 30;
+#X obj 42 528 bng 21 250 50 0 empty empty empty 0 -11 0 12 #fcfcfc #000000 #000000;
+#X msg 1090 33 \; amp 0.1 \; bias 0 \; freq 440;
 #X connect 0 0 1 0;
 #X connect 1 0 4 0;
 #X connect 1 1 2 0;
@@ -91,6 +94,7 @@
 #X connect 7 0 14 0;
 #X connect 8 0 14 0;
 #X connect 10 0 11 0;
+#X connect 11 0 83 0;
 #X connect 13 0 14 0;
 #X connect 14 0 10 0;
 #X connect 14 1 9 0;