ports/esp32/mpconfigport.h - lite/micropython - Linaro Git Browser

 // 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_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
 #ifndef MICROPY_PY_BLUETOOTH
 #define MICROPY_PY_BLUETOOTH                (1)
 #define MICROPY_PY_BLUETOOTH_USE_SYNC_EVENTS (1)
 #define MICROPY_PY_BLUETOOTH_USE_SYNC_EVENTS_WITH_INTERLOCK (1)
 #define MICROPY_PY_BLUETOOTH_SYNC_EVENT_STACK_SIZE (CONFIG_BT_NIMBLE_TASK_STACK_SIZE)
 #define MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE (1)
 #define MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING (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_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
 #ifndef MICROPY_PY_NETWORK_WLAN
 #define MICROPY_PY_NETWORK_WLAN             (1)
 #endif
 #ifndef MICROPY_HW_ENABLE_SDCARD
 #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_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")

 // 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_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(); \
     } 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"

 // ESP32-S3 extended IO for 47 & 48
 #ifndef MICROPY_HW_ESP32S3_EXTENDED_IO
 #define MICROPY_HW_ESP32S3_EXTENDED_IO      (1)
 #endif

 #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

 #ifndef MICROPY_BOARD_STARTUP
 #define MICROPY_BOARD_STARTUP boardctrl_startup
 #endif

 void boardctrl_startup(void);

 #ifndef MICROPY_PY_NETWORK_LAN
 #if (ESP_IDF_VERSION_MAJOR == 4) && (ESP_IDF_VERSION_MINOR >= 1) && (CONFIG_IDF_TARGET_ESP32 || (CONFIG_ETH_USE_SPI_ETHERNET && (CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL || CONFIG_ETH_SPI_ETHERNET_DM9051 || CONFIG_ETH_SPI_ETHERNET_W5500)))
 #define MICROPY_PY_NETWORK_LAN              (1)
 #else
 #define MICROPY_PY_NETWORK_LAN              (0)
 #endif
 #endif

 #if MICROPY_PY_NETWORK_LAN && CONFIG_ETH_USE_SPI_ETHERNET
 #ifndef MICROPY_PY_NETWORK_LAN_SPI_CLOCK_SPEED_MZ
 #if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C2
 #define MICROPY_PY_NETWORK_LAN_SPI_CLOCK_SPEED_MZ       (12)
 #else
 #define MICROPY_PY_NETWORK_LAN_SPI_CLOCK_SPEED_MZ       (36)
 #endif
 #endif
 #endif
	// 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_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
	#ifndef MICROPY_PY_BLUETOOTH
	#define MICROPY_PY_BLUETOOTH (1)
	#define MICROPY_PY_BLUETOOTH_USE_SYNC_EVENTS (1)
	#define MICROPY_PY_BLUETOOTH_USE_SYNC_EVENTS_WITH_INTERLOCK (1)
	#define MICROPY_PY_BLUETOOTH_SYNC_EVENT_STACK_SIZE (CONFIG_BT_NIMBLE_TASK_STACK_SIZE)
	#define MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE (1)
	#define MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING (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_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
	#ifndef MICROPY_PY_NETWORK_WLAN
	#define MICROPY_PY_NETWORK_WLAN (1)
	#endif
	#ifndef MICROPY_HW_ENABLE_SDCARD
	#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_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")

	// 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_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(); \
	} 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"

	// ESP32-S3 extended IO for 47 & 48
	#ifndef MICROPY_HW_ESP32S3_EXTENDED_IO
	#define MICROPY_HW_ESP32S3_EXTENDED_IO (1)
	#endif

	#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

	#ifndef MICROPY_BOARD_STARTUP
	#define MICROPY_BOARD_STARTUP boardctrl_startup
	#endif

	void boardctrl_startup(void);

	#ifndef MICROPY_PY_NETWORK_LAN
	#if (ESP_IDF_VERSION_MAJOR == 4) && (ESP_IDF_VERSION_MINOR >= 1) && (CONFIG_IDF_TARGET_ESP32 \|\| (CONFIG_ETH_USE_SPI_ETHERNET && (CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL \|\| CONFIG_ETH_SPI_ETHERNET_DM9051 \|\| CONFIG_ETH_SPI_ETHERNET_W5500)))
	#define MICROPY_PY_NETWORK_LAN (1)
	#else
	#define MICROPY_PY_NETWORK_LAN (0)
	#endif
	#endif

	#if MICROPY_PY_NETWORK_LAN && CONFIG_ETH_USE_SPI_ETHERNET
	#ifndef MICROPY_PY_NETWORK_LAN_SPI_CLOCK_SPEED_MZ
	#if CONFIG_IDF_TARGET_ESP32 \|\| CONFIG_IDF_TARGET_ESP32C3 \|\| CONFIG_IDF_TARGET_ESP32C2
	#define MICROPY_PY_NETWORK_LAN_SPI_CLOCK_SPEED_MZ (12)
	#else
	#define MICROPY_PY_NETWORK_LAN_SPI_CLOCK_SPEED_MZ (36)
	#endif
	#endif
	#endif