Document the complete list of changes needed to compile #1

ftylitak · 2023-07-14T13:03:52Z

Greetings,

first of all thank you very much for your work. It is a pitty this is not supported by default in micropython.

I am trying to compile micropython for esp32 using micropython 1.19 branch in github though I am having trouble compiling it.

Things that I did till now:

a) copied prod/src/bt_spp_client.c and prod/src/bt_spp_server.c at path: "micropython/port/esp32/"
b) added both files in main/CMakeLists.txt (this is for 1.19 version)
c) changed the sdkconfig.ble file to use the configurations that you include in "main/prod/README.md"
d) compiled.

Could you assist me on what other changes need to be made to be able to compile the code and use your module?

Thank you in advance!

shariltumin · 2023-07-14T18:33:09Z

This is my board/ESP32_BT/mpconfigboard.cmake


set(SDKCONFIG_DEFAULTS
    boards/sdkconfig.base
    boards/sdkconfig.240mhz
    boards/ESP32_BT/sdkconfig.board
)

set(MICROPY_FROZEN_MANIFEST ${MICROPY_PORT_DIR}/boards/ESP32_BT/manifest.py)

You didn't say what and where the compilation fail. Try make V=1 board=YOUR-ESP32-BOARD
Hope this helps.

shariltumin · 2023-07-14T19:23:00Z

And one more thing. The firmware excludes both BLE and network, so you need to modify mpconfigport.h as well.
This is my mpconfigport.h

// Options to control how MicroPython is built for this port,
// overriding defaults in py/mpconfig.h.

// Board-specific definitions
#include "mpconfigboard.h"

#include <stdint.h>
#include <alloca.h>
#include "esp_system.h"
#include "freertos/FreeRTOS.h"
#include "driver/i2s.h"

#ifndef MICROPY_CONFIG_ROM_LEVEL
#define MICROPY_CONFIG_ROM_LEVEL            (MICROPY_CONFIG_ROM_LEVEL_EXTRA_FEATURES)
#endif

// object representation and NLR handling
#define MICROPY_OBJ_REPR                    (MICROPY_OBJ_REPR_A)
#define MICROPY_NLR_SETJMP                  (1)
#if CONFIG_IDF_TARGET_ESP32C3
#define MICROPY_GCREGS_SETJMP               (1)
#endif

// memory allocation policies
#define MICROPY_ALLOC_PATH_MAX              (128)

// emitters
#define MICROPY_PERSISTENT_CODE_LOAD        (1)
#if !CONFIG_IDF_TARGET_ESP32C3
#define MICROPY_EMIT_XTENSAWIN              (1)
#endif

// workaround for xtensa-esp32-elf-gcc esp-2020r3, which can generate wrong code for loops
// see https://github.com/espressif/esp-idf/issues/9130
// this was fixed in newer versions of the compiler by:
//   "gas: use literals/const16 for xtensa loop relaxation"
//   https://github.com/jcmvbkbc/binutils-gdb-xtensa/commit/403b0b61f6d4358aee8493cb1d11814e368942c9
#define MICROPY_COMP_CONST_FOLDING_COMPILER_WORKAROUND (1)

// optimisations
#define MICROPY_OPT_COMPUTED_GOTO           (1)

// Python internal features
#define MICROPY_READER_VFS                  (1)
#define MICROPY_ENABLE_GC                   (1)
#define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF (1)
#define MICROPY_LONGINT_IMPL                (MICROPY_LONGINT_IMPL_MPZ)
#define MICROPY_ERROR_REPORTING             (MICROPY_ERROR_REPORTING_NORMAL)
#define MICROPY_WARNINGS                    (1)
#define MICROPY_FLOAT_IMPL                  (MICROPY_FLOAT_IMPL_FLOAT)
#define MICROPY_STREAMS_POSIX_API           (1)
#define MICROPY_MODULE_FROZEN_STR           (0)
#define MICROPY_MODULE_FROZEN_MPY           (1)
#define MICROPY_QSTR_EXTRA_POOL             mp_qstr_frozen_const_pool
#define MICROPY_USE_INTERNAL_ERRNO          (0) // errno.h from xtensa-esp32-elf/sys-include/sys
#define MICROPY_USE_INTERNAL_PRINTF         (0) // ESP32 SDK requires its own printf
#define MICROPY_SCHEDULER_DEPTH             (8)
#define MICROPY_VFS                         (1)

// control over Python builtins
#define MICROPY_PY_STR_BYTES_CMP_WARN       (1)
#define MICROPY_PY_ALL_INPLACE_SPECIAL_METHODS (1)
#define MICROPY_PY_BUILTINS_HELP            (0)
// -define MICROPY_PY_BUILTINS_HELP_TEXT       esp32_help_text
#define MICROPY_PY_IO_BUFFEREDWRITER        (1)
#define MICROPY_PY_UTIME_MP_HAL             (1)
#define MICROPY_PY_THREAD                   (1)
#define MICROPY_PY_THREAD_GIL               (1)
#define MICROPY_PY_THREAD_GIL_VM_DIVISOR    (32)

// extended modules
#define MICROPY_PY_UTIMEQ                   (1)
#define MICROPY_PY_UHASHLIB_SHA1            (0)
#define MICROPY_PY_UHASHLIB_SHA256          (0)
#define MICROPY_PY_UCRYPTOLIB               (0)
#define MICROPY_PY_URANDOM_SEED_INIT_FUNC   (esp_random())
#define MICROPY_PY_UOS_INCLUDEFILE          "ports/esp32/moduos.c"
#define MICROPY_PY_OS_DUPTERM               (1)
#define MICROPY_PY_UOS_DUPTERM_NOTIFY       (1)
#define MICROPY_PY_UOS_UNAME                (1)
#define MICROPY_PY_UOS_URANDOM              (1)
#define MICROPY_PY_MACHINE                  (1)
#define MICROPY_PY_MACHINE_PIN_MAKE_NEW     mp_pin_make_new
#define MICROPY_PY_MACHINE_BITSTREAM        (1)
#define MICROPY_PY_MACHINE_PULSE            (1)
#define MICROPY_PY_MACHINE_PWM              (1)
#define MICROPY_PY_MACHINE_PWM_INIT         (1)
#define MICROPY_PY_MACHINE_PWM_DUTY         (1)
#define MICROPY_PY_MACHINE_PWM_DUTY_U16_NS  (1)
#define MICROPY_PY_MACHINE_PWM_INCLUDEFILE  "ports/esp32/machine_pwm.c"
#define MICROPY_PY_MACHINE_I2C              (1)
#define MICROPY_PY_MACHINE_I2C_TRANSFER_WRITE1 (1)
#define MICROPY_PY_MACHINE_SOFTI2C          (1)
#define MICROPY_PY_MACHINE_SPI              (1)
#define MICROPY_PY_MACHINE_SPI_MSB          (0)
#define MICROPY_PY_MACHINE_SPI_LSB          (1)
#define MICROPY_PY_MACHINE_SOFTSPI          (1)
#ifndef MICROPY_PY_MACHINE_DAC
#define MICROPY_PY_MACHINE_DAC              (1)
#endif
#ifndef MICROPY_PY_MACHINE_I2S
#define MICROPY_PY_MACHINE_I2S              (1)
#endif
#define MICROPY_PY_NETWORK                  (0)
#define MICROPY_PY_NETWORK_WLAN             (0)
#define MICROPY_HW_ENABLE_SDCARD            (1)
#define MICROPY_HW_SOFTSPI_MIN_DELAY        (0)
#define MICROPY_HW_SOFTSPI_MAX_BAUDRATE     (ets_get_cpu_frequency() * 1000000 / 200) // roughly
#define MICROPY_PY_USSL                     (0)
#define MICROPY_SSL_MBEDTLS                 (0)
#define MICROPY_PY_USSL_FINALISER           (0)
#define MICROPY_PY_UWEBSOCKET               (0)
#define MICROPY_PY_WEBREPL                  (0)
#define MICROPY_PY_ONEWIRE                  (1)
#define MICROPY_PY_UPLATFORM                (1)
// -define MICROPY_PY_USOCKET_EVENTS           (MICROPY_PY_WEBREPL)

// fatfs configuration
#define MICROPY_FATFS_ENABLE_LFN            (1)
#define MICROPY_FATFS_RPATH                 (2)
#define MICROPY_FATFS_MAX_SS                (4096)
#define MICROPY_FATFS_LFN_CODE_PAGE         437 /* 1=SFN/ANSI 437=LFN/U.S.(OEM) */

#define MP_STATE_PORT MP_STATE_VM

// type definitions for the specific machine

#define MICROPY_MAKE_POINTER_CALLABLE(p) ((void *)((mp_uint_t)(p)))
void *esp_native_code_commit(void *, size_t, void *);
#define MP_PLAT_COMMIT_EXEC(buf, len, reloc) esp_native_code_commit(buf, len, reloc)
#define MP_SSIZE_MAX (0x7fffffff)

// Note: these "critical nested" macros do not ensure cross-CPU exclusion,
// the only disable interrupts on the current CPU.  To full manage exclusion
// one should use portENTER_CRITICAL/portEXIT_CRITICAL instead.
#include "freertos/FreeRTOS.h"
#define MICROPY_BEGIN_ATOMIC_SECTION() portENTER_CRITICAL_NESTED()
#define MICROPY_END_ATOMIC_SECTION(state) portEXIT_CRITICAL_NESTED(state)

#if MICROPY_PY_THREAD
#define MICROPY_EVENT_POLL_HOOK \
    do { \
        extern void mp_handle_pending(bool); \
        mp_handle_pending(true); \
        MP_THREAD_GIL_EXIT(); \
        ulTaskNotifyTake(pdFALSE, 1); \
        MP_THREAD_GIL_ENTER(); \
    } while (0);
#else
#define MICROPY_EVENT_POLL_HOOK \
    do { \
        extern void mp_handle_pending(bool); \
        mp_handle_pending(true); \
        MICROPY_PY_USOCKET_EVENTS_HANDLER \
        asm ("waiti 0"); \
    } while (0);
#endif

// Functions that should go in IRAM
#define MICROPY_WRAP_MP_BINARY_OP(f) IRAM_ATTR f
#define MICROPY_WRAP_MP_EXECUTE_BYTECODE(f) IRAM_ATTR f
#define MICROPY_WRAP_MP_LOAD_GLOBAL(f) IRAM_ATTR f
#define MICROPY_WRAP_MP_LOAD_NAME(f) IRAM_ATTR f
#define MICROPY_WRAP_MP_MAP_LOOKUP(f) IRAM_ATTR f
#define MICROPY_WRAP_MP_OBJ_GET_TYPE(f) IRAM_ATTR f
#define MICROPY_WRAP_MP_SCHED_EXCEPTION(f) IRAM_ATTR f
#define MICROPY_WRAP_MP_SCHED_KEYBOARD_INTERRUPT(f) IRAM_ATTR f

#define UINT_FMT "%u"
#define INT_FMT "%d"

typedef int32_t mp_int_t; // must be pointer size
typedef uint32_t mp_uint_t; // must be pointer size
typedef long mp_off_t;
// ssize_t, off_t as required by POSIX-signatured functions in stream.h
#include <sys/types.h>

// board specifics
#define MICROPY_PY_SYS_PLATFORM "esp32"

#define MICROPY_PY_NETWORK_LAN              (0)

#define MICROPY_PY_USOCKET_EVENTS_HANDLER

#ifndef MICROPY_BOARD_STARTUP
#define MICROPY_BOARD_STARTUP boardctrl_startup
#endif

void boardctrl_startup(void);

Sorry, I do not have time to write a document on how to customize your firmware. You just have to try to understand the build process. The build process for MicroPython changes all the time. A document for one version may not work for the next version.

ftylitak · 2023-07-17T10:47:46Z

@shariltumin thank you very much for your valuable reply.

Following your settings/comments, I successfully compiled micropython 1.19.1 for ESP32 with your modules.

Your comment on the always changing build process of Micropython is very true. Nevertheless, I will post here the complete change list required to build a vanilla micropython v1.19.1 with the modules that you provide in case someone else needs it.

Changes to already existing files:

diff --git a/ports/esp32/main.c b/ports/esp32/main.c
index 14b7e14c6..5d924a4d1 100644
--- a/ports/esp32/main.c
+++ b/ports/esp32/main.c
@@ -215,7 +215,7 @@ soft_reset_exit:
     // TODO: machine_rmt_deinit_all();
     machine_pins_deinit();
     machine_deinit();
-    usocket_events_deinit();
+    //usocket_events_deinit();
 
     mp_deinit();
     fflush(stdout);
diff --git a/ports/esp32/main/CMakeLists.txt b/ports/esp32/main/CMakeLists.txt
index 9ac6537f8..b9b2ff530 100644
--- a/ports/esp32/main/CMakeLists.txt
+++ b/ports/esp32/main/CMakeLists.txt
@@ -49,6 +49,8 @@ set(MICROPY_SOURCE_DRIVERS
 
 set(MICROPY_SOURCE_PORT
     ${PROJECT_DIR}/main.c
+    ${PROJECT_DIR}/bt_spp_client.c
+    ${PROJECT_DIR}/bt_spp_server.c
     ${PROJECT_DIR}/uart.c
     ${PROJECT_DIR}/usb.c
     ${PROJECT_DIR}/usb_serial_jtag.c
diff --git a/ports/esp32/mpconfigport.h b/ports/esp32/mpconfigport.h
index 1877a0143..af0a6716c 100644
--- a/ports/esp32/mpconfigport.h
+++ b/ports/esp32/mpconfigport.h
@@ -60,7 +60,8 @@
 // control over Python builtins
 #define MICROPY_PY_STR_BYTES_CMP_WARN       (1)
 #define MICROPY_PY_ALL_INPLACE_SPECIAL_METHODS (1)
-#define MICROPY_PY_BUILTINS_HELP_TEXT       esp32_help_text
+#define MICROPY_PY_BUILTINS_HELP            (0)
+// -define MICROPY_PY_BUILTINS_HELP_TEXT       esp32_help_text
 #define MICROPY_PY_IO_BUFFEREDWRITER        (1)
 #define MICROPY_PY_UTIME_MP_HAL             (1)
 #define MICROPY_PY_THREAD                   (1)
@@ -68,16 +69,10 @@
 #define MICROPY_PY_THREAD_GIL_VM_DIVISOR    (32)
 
 // extended modules
-#ifndef MICROPY_PY_BLUETOOTH
-#define MICROPY_PY_BLUETOOTH                (1)
-#define MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE (1)
-#define MICROPY_BLUETOOTH_NIMBLE            (1)
-#define MICROPY_BLUETOOTH_NIMBLE_BINDINGS_ONLY (1)
-#endif
 #define MICROPY_PY_UTIMEQ                   (1)
-#define MICROPY_PY_UHASHLIB_SHA1            (1)
-#define MICROPY_PY_UHASHLIB_SHA256          (1)
-#define MICROPY_PY_UCRYPTOLIB               (1)
+#define MICROPY_PY_UHASHLIB_SHA1            (0)
+#define MICROPY_PY_UHASHLIB_SHA256          (0)
+#define MICROPY_PY_UCRYPTOLIB               (0)
 #define MICROPY_PY_URANDOM_SEED_INIT_FUNC   (esp_random())
 #define MICROPY_PY_UOS_INCLUDEFILE          "ports/esp32/moduos.c"
 #define MICROPY_PY_OS_DUPTERM               (1)
@@ -106,25 +101,19 @@
 #ifndef MICROPY_PY_MACHINE_I2S
 #define MICROPY_PY_MACHINE_I2S              (1)
 #endif
-#ifndef MICROPY_PY_NETWORK_WLAN
-#define MICROPY_PY_NETWORK_WLAN             (1)
-#endif
-#ifndef MICROPY_HW_ENABLE_SDCARD
+#define MICROPY_PY_NETWORK                  (0)
+#define MICROPY_PY_NETWORK_WLAN             (0)
 #define MICROPY_HW_ENABLE_SDCARD            (1)
-#endif
 #define MICROPY_HW_SOFTSPI_MIN_DELAY        (0)
 #define MICROPY_HW_SOFTSPI_MAX_BAUDRATE     (ets_get_cpu_frequency() * 1000000 / 200) // roughly
-#define MICROPY_PY_USSL                     (1)
-#define MICROPY_SSL_MBEDTLS                 (1)
-#define MICROPY_PY_USSL_FINALISER           (1)
-#define MICROPY_PY_UWEBSOCKET               (1)
-#define MICROPY_PY_WEBREPL                  (1)
-#define MICROPY_PY_BTREE                    (1)
+#define MICROPY_PY_USSL                     (0)
+#define MICROPY_SSL_MBEDTLS                 (0)
+#define MICROPY_PY_USSL_FINALISER           (0)
+#define MICROPY_PY_UWEBSOCKET               (0)
+#define MICROPY_PY_WEBREPL                  (0)
 #define MICROPY_PY_ONEWIRE                  (1)
 #define MICROPY_PY_UPLATFORM                (1)
-#define MICROPY_PY_USOCKET_EVENTS           (MICROPY_PY_WEBREPL)
-#define MICROPY_PY_BLUETOOTH_RANDOM_ADDR    (1)
-#define MICROPY_PY_BLUETOOTH_DEFAULT_GAP_NAME ("ESP32")
+// -define MICROPY_PY_USOCKET_EVENTS           (MICROPY_PY_WEBREPL)
 
 // fatfs configuration
 #define MICROPY_FATFS_ENABLE_LFN            (1)
@@ -137,22 +126,12 @@
 #define MP_STATE_PORT MP_STATE_VM
 
 struct _machine_timer_obj_t;
-
-#if MICROPY_BLUETOOTH_NIMBLE
-struct mp_bluetooth_nimble_root_pointers_t;
-#define MICROPY_PORT_ROOT_POINTER_BLUETOOTH_NIMBLE struct _mp_bluetooth_nimble_root_pointers_t *bluetooth_nimble_root_pointers;
-#else
-#define MICROPY_PORT_ROOT_POINTER_BLUETOOTH_NIMBLE
-#endif
-
 #define MICROPY_PORT_ROOT_POINTERS \
     const char *readline_hist[8]; \
     mp_obj_t machine_pin_irq_handler[40]; \
     struct _machine_timer_obj_t *machine_timer_obj_head; \
     struct _machine_i2s_obj_t *machine_i2s_obj[I2S_NUM_MAX]; \
-    mp_obj_t native_code_pointers; \
-    MICROPY_PORT_ROOT_POINTER_BLUETOOTH_NIMBLE
-
+    mp_obj_t native_code_pointers;
 // type definitions for the specific machine
 
 #define MICROPY_MAKE_POINTER_CALLABLE(p) ((void *)((mp_uint_t)(p)))
@@ -167,18 +146,11 @@ void *esp_native_code_commit(void *, size_t, void *);
 #define MICROPY_BEGIN_ATOMIC_SECTION() portENTER_CRITICAL_NESTED()
 #define MICROPY_END_ATOMIC_SECTION(state) portEXIT_CRITICAL_NESTED(state)
 
-#if MICROPY_PY_USOCKET_EVENTS
-#define MICROPY_PY_USOCKET_EVENTS_HANDLER extern void usocket_events_handler(void); usocket_events_handler();
-#else
-#define MICROPY_PY_USOCKET_EVENTS_HANDLER
-#endif
-
 #if MICROPY_PY_THREAD
 #define MICROPY_EVENT_POLL_HOOK \
     do { \
         extern void mp_handle_pending(bool); \
         mp_handle_pending(true); \
-        MICROPY_PY_USOCKET_EVENTS_HANDLER \
         MP_THREAD_GIL_EXIT(); \
         ulTaskNotifyTake(pdFALSE, 1); \
         MP_THREAD_GIL_ENTER(); \
@@ -215,21 +187,12 @@ typedef long mp_off_t;
 // board specifics
 #define MICROPY_PY_SYS_PLATFORM "esp32"
 
-// ESP32-S3 extended IO for 47 & 48
-#ifndef MICROPY_HW_ESP32S3_EXTENDED_IO
-#define MICROPY_HW_ESP32S3_EXTENDED_IO      (1)
-#endif
+#define MICROPY_PY_NETWORK_LAN              (0)
 
-#ifndef MICROPY_HW_ENABLE_MDNS_QUERIES
-#define MICROPY_HW_ENABLE_MDNS_QUERIES      (1)
-#endif
-
-#ifndef MICROPY_HW_ENABLE_MDNS_RESPONDER
-#define MICROPY_HW_ENABLE_MDNS_RESPONDER    (1)
-#endif
+#define MICROPY_PY_USOCKET_EVENTS_HANDLER
 
 #ifndef MICROPY_BOARD_STARTUP
 #define MICROPY_BOARD_STARTUP boardctrl_startup
 #endif
 
-void boardctrl_startup(void);
+void boardctrl_startup(void);
\ No newline at end of file

New files:

copied https://github.com/shariltumin/esp32-bluetooth-classic-micropython/tree/main/prod/src contents to micropython/ports/esp32
created a folder micropython/ports/esp32/boards/ESP32_BT/ with the following 4 files:

boards/ESP32_BT/board.json

{
    "deploy": [
        "../deploy.md"
    ],
    "docs": "",
    "features": [
        "BT",
        "WiFi"
    ],
    "id": "esp32spiram_bt",
    "images": [
        "esp32_psram.jpg"
    ],
    "mcu": "esp32",
    "product": "ESP32_BT",
    "thumbnail": "",
    "url": "https://www.espressif.com/en/products/modules",
    "variants": {
        "idf3": "Compiled with IDF 3.x"
    },
    "vendor": "Espressif"
}

boards/ESP32_BT/mpconfigboard.cmake

set(SDKCONFIG_DEFAULTS
    boards/sdkconfig.base
    boards/sdkconfig.240mhz
    boards/ESP32_BT/sdkconfig.board
)

boards/ESP32_BT/mpconfigboard.h

#define MICROPY_HW_BOARD_NAME "ESP32_BT module"
#define MICROPY_HW_MCU_NAME "ESP32_BT"

boards/ESP32_BT/sdkconfig.board

# DEBUGGING
CONFIG_LOG_DEFAULT_LEVEL=none 

# Override some defaults so BT stack is enabled
CONFIG_BT_ENABLED=y
# CONFIG_BTDM_CONTROLLER_MODE_BLE_ONLY=
CONFIG_BTDM_CONTROLLER_MODE_BR_EDR_ONLY=y
# CONFIG_BTDM_CONTROLLER_MODE_BTDM=
CONFIG_CLASSIC_BT_ENABLED=y
CONFIG_BT_SPP_ENABLED=y
# disable Secure Simple Pairing
CONFIG_BT_SSP_ENABLED=
# Support ONE connection at a time
# don't work --> CONFIG_BTDM_CTRL_BR_EDR_MAX_ACL_CONN=1
# need to change esp_bt_gap_set_scan_mode to
# ESP_BT_NON_CONNECTABLE, ESP_BT_NON_DISCOVERABLE
# and WiFi is disabled
CONFIG_WIFI_ENABLED=n

CONFIG_BT_NIMBLE_ENABLED=n

And finally compiled with:

make BOARD=ESP32_BT

Thank you once again for your help!

shariltumin · 2023-07-20T09:40:45Z

Hi Nikos, nice! well done. May I suggest that you create a repository explaining what you have done. A lot of people might find it interesting. If you have one, I will link it from my landing page. It is ok if you do not have time and are not interested.

Sorry for the late reply

ftylitak · 2023-08-07T14:04:21Z

Hello @shariltumin

my previous answer has the complete list of changes that need to be made on standard micropython 1.19.1 to enable your modules.

We have a branch of micropython 1.19.1 with these changes for our product which can be used directly:
https://github.com/insighio/micropython/tree/insighio-bluetooth-classic

by calling:

make BOARD=ESP32_BT_SPIRAM

The commit that added this functionality is:
insighio/micropython@210b816

Followed by the next commit that made a separation between ESP32_BT and ESP32_BT_SPIRAM for using the Classic Bluetooth for both ESP32 wroom and ESP32 wrover
insighio/micropython@086a8d4

Hope it helps :)

ftylitak closed this as completed Jul 17, 2023

shariltumin reopened this Jul 20, 2023

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Document the complete list of changes needed to compile #1

Document the complete list of changes needed to compile #1

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Document the complete list of changes needed to compile #1

Document the complete list of changes needed to compile #1

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