d2384efa80
This commit implements automatic module weak links for all built-in
modules, by searching for "ufoo" in the built-in module list if "foo"
cannot be found. This means that all modules named "ufoo" are always
available as "foo". Also, a port can no longer add any other weak links,
which makes strict the definition of a weak link.
It saves some code size (about 100-200 bytes) on ports that previously had
lots of weak links.
Some changes from the previous behaviour:
- It doesn't intern the non-u module names (eg "foo" is not interned),
which saves code size, but will mean that "import foo" creates a new qstr
(namely "foo") in RAM (unless the importing module is frozen).
- help('modules') no longer lists non-u module names, only the u-variants;
this reduces duplication in the help listing.
Weak links are effectively the same as having a set of symbolic links on
the filesystem that is searched last. So an "import foo" will search
built-in modules first, then all paths in sys.path, then weak links last,
importing "ufoo" if it exists. Thus a file called "foo.py" somewhere in
sys.path will still have precedence over the weak link of "foo" to "ufoo".
See issues: #1740, #4449, #5229, #5241.
188 lines
7.2 KiB
C
188 lines
7.2 KiB
C
// Options to control how MicroPython is built for this port,
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// overriding defaults in py/mpconfig.h.
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// Board-specific definitions
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#include "mpconfigboard.h"
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#include <stdint.h>
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#define MICROPY_OBJ_REPR (MICROPY_OBJ_REPR_C)
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#define MICROPY_GC_STACK_ENTRY_TYPE uint16_t
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#define MICROPY_ALLOC_PATH_MAX (128)
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#define MICROPY_ALLOC_LEXER_INDENT_INIT (8)
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#define MICROPY_ALLOC_PARSE_RULE_INIT (48)
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#define MICROPY_ALLOC_PARSE_RULE_INC (8)
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#define MICROPY_ALLOC_PARSE_RESULT_INC (8)
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#define MICROPY_ALLOC_PARSE_CHUNK_INIT (64)
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#define MICROPY_MEM_STATS (0)
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#define MICROPY_DEBUG_PRINTER (&mp_debug_print)
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#define MICROPY_ENABLE_GC (1)
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#define MICROPY_ENABLE_FINALISER (1)
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#define MICROPY_STACK_CHECK (1)
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#define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF (1)
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#define MICROPY_KBD_EXCEPTION (1)
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#define MICROPY_REPL_EVENT_DRIVEN (0)
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#define MICROPY_REPL_AUTO_INDENT (1)
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#define MICROPY_HELPER_REPL (1)
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#define MICROPY_HELPER_LEXER_UNIX (0)
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#define MICROPY_ENABLE_SOURCE_LINE (1)
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#define MICROPY_MODULE_WEAK_LINKS (1)
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#define MICROPY_CAN_OVERRIDE_BUILTINS (1)
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#define MICROPY_USE_INTERNAL_ERRNO (1)
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#define MICROPY_ENABLE_SCHEDULER (1)
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#define MICROPY_PY_DESCRIPTORS (1)
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#define MICROPY_PY_BUILTINS_COMPLEX (0)
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#define MICROPY_PY_BUILTINS_STR_UNICODE (1)
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#define MICROPY_PY_BUILTINS_BYTEARRAY (1)
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#define MICROPY_PY_BUILTINS_MEMORYVIEW (1)
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#define MICROPY_PY_BUILTINS_FROZENSET (1)
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#define MICROPY_PY_BUILTINS_SET (1)
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#define MICROPY_PY_BUILTINS_SLICE (1)
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#define MICROPY_PY_BUILTINS_PROPERTY (1)
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#define MICROPY_PY_BUILTINS_ROUND_INT (1)
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#define MICROPY_PY_BUILTINS_INPUT (1)
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#define MICROPY_PY_BUILTINS_HELP (1)
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#define MICROPY_PY_BUILTINS_HELP_TEXT esp_help_text
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#define MICROPY_PY_BUILTINS_HELP_MODULES (1)
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#define MICROPY_PY___FILE__ (0)
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#define MICROPY_PY_GC (1)
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#define MICROPY_PY_ARRAY (1)
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#define MICROPY_PY_ARRAY_SLICE_ASSIGN (1)
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#define MICROPY_PY_COLLECTIONS (1)
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#define MICROPY_PY_COLLECTIONS_DEQUE (1)
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#define MICROPY_PY_COLLECTIONS_ORDEREDDICT (1)
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#define MICROPY_PY_MATH (1)
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#define MICROPY_PY_CMATH (0)
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#define MICROPY_PY_IO (1)
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#define MICROPY_PY_IO_IOBASE (1)
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#define MICROPY_PY_STRUCT (1)
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#define MICROPY_PY_SYS (1)
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#define MICROPY_PY_SYS_MAXSIZE (1)
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#define MICROPY_PY_SYS_EXIT (1)
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#define MICROPY_PY_SYS_STDFILES (1)
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#define MICROPY_PY_UERRNO (1)
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#define MICROPY_PY_UBINASCII (1)
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#define MICROPY_PY_UCTYPES (1)
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#define MICROPY_PY_UHASHLIB (1)
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#define MICROPY_PY_UHASHLIB_SHA1 (MICROPY_PY_USSL && MICROPY_SSL_AXTLS)
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#define MICROPY_PY_UHEAPQ (1)
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#define MICROPY_PY_UTIMEQ (1)
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#define MICROPY_PY_UJSON (1)
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#define MICROPY_PY_URANDOM (1)
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#define MICROPY_PY_URE (1)
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#define MICROPY_PY_USELECT (1)
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#define MICROPY_PY_UTIME_MP_HAL (1)
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#define MICROPY_PY_UZLIB (1)
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#define MICROPY_PY_LWIP (1)
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#define MICROPY_PY_LWIP_SOCK_RAW (1)
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#define MICROPY_PY_MACHINE (1)
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#define MICROPY_PY_MACHINE_PIN_MAKE_NEW mp_pin_make_new
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#define MICROPY_PY_MACHINE_PULSE (1)
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#define MICROPY_PY_MACHINE_I2C (1)
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#define MICROPY_PY_MACHINE_SPI (1)
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#define MICROPY_PY_MACHINE_SPI_MAKE_NEW machine_hspi_make_new
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#define MICROPY_PY_UWEBSOCKET (1)
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#define MICROPY_PY_WEBREPL (1)
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#define MICROPY_PY_WEBREPL_DELAY (20)
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#define MICROPY_PY_WEBREPL_STATIC_FILEBUF (1)
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#define MICROPY_PY_MICROPYTHON_MEM_INFO (1)
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#define MICROPY_PY_OS_DUPTERM (2)
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#define MICROPY_CPYTHON_COMPAT (1)
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#define MICROPY_LONGINT_IMPL (MICROPY_LONGINT_IMPL_MPZ)
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#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_FLOAT)
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#define MICROPY_WARNINGS (1)
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#define MICROPY_PY_STR_BYTES_CMP_WARN (1)
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#define MICROPY_STREAMS_NON_BLOCK (1)
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#define MICROPY_STREAMS_POSIX_API (1)
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#define MICROPY_MODULE_FROZEN_LEXER mp_lexer_new_from_str32
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#define MICROPY_FATFS_ENABLE_LFN (1)
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#define MICROPY_FATFS_RPATH (2)
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#define MICROPY_FATFS_MAX_SS (4096)
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#define MICROPY_FATFS_LFN_CODE_PAGE 437 /* 1=SFN/ANSI 437=LFN/U.S.(OEM) */
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#define MICROPY_ESP8266_APA102 (1)
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#define MICROPY_ESP8266_NEOPIXEL (1)
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#define MICROPY_EVENT_POLL_HOOK {ets_event_poll();}
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#define MICROPY_VM_HOOK_COUNT (10)
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#define MICROPY_VM_HOOK_INIT static uint vm_hook_divisor = MICROPY_VM_HOOK_COUNT;
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#define MICROPY_VM_HOOK_POLL if (--vm_hook_divisor == 0) { \
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vm_hook_divisor = MICROPY_VM_HOOK_COUNT; \
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extern void ets_loop_iter(void); \
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ets_loop_iter(); \
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}
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#define MICROPY_VM_HOOK_LOOP MICROPY_VM_HOOK_POLL
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#define MICROPY_VM_HOOK_RETURN MICROPY_VM_HOOK_POLL
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// type definitions for the specific machine
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#define MICROPY_MAKE_POINTER_CALLABLE(p) ((void*)((mp_uint_t)(p)))
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#define MP_SSIZE_MAX (0x7fffffff)
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#define UINT_FMT "%u"
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#define INT_FMT "%d"
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typedef int32_t mp_int_t; // must be pointer size
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typedef uint32_t mp_uint_t; // must be pointer size
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typedef long mp_off_t;
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typedef uint32_t sys_prot_t; // for modlwip
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// ssize_t, off_t as required by POSIX-signatured functions in stream.h
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#include <sys/types.h>
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#define MP_PLAT_PRINT_STRN(str, len) mp_hal_stdout_tx_strn_cooked(str, len)
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void *esp_native_code_commit(void*, size_t);
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#define MP_PLAT_COMMIT_EXEC(buf, len) esp_native_code_commit(buf, len)
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// printer for debugging output, goes to UART only
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extern const struct _mp_print_t mp_debug_print;
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#define mp_type_fileio mp_type_vfs_fat_fileio
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#define mp_type_textio mp_type_vfs_fat_textio
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// use vfs's functions for import stat and builtin open
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#define mp_import_stat mp_vfs_import_stat
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#define mp_builtin_open mp_vfs_open
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#define mp_builtin_open_obj mp_vfs_open_obj
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// extra built in names to add to the global namespace
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#define MICROPY_PORT_BUILTINS \
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{ MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mp_builtin_open_obj) },
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// extra built in modules to add to the list of known ones
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extern const struct _mp_obj_module_t esp_module;
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extern const struct _mp_obj_module_t network_module;
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extern const struct _mp_obj_module_t utime_module;
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extern const struct _mp_obj_module_t uos_module;
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extern const struct _mp_obj_module_t mp_module_lwip;
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extern const struct _mp_obj_module_t mp_module_machine;
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extern const struct _mp_obj_module_t mp_module_onewire;
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#define MICROPY_PORT_BUILTIN_MODULES \
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{ MP_ROM_QSTR(MP_QSTR_esp), MP_ROM_PTR(&esp_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_usocket), MP_ROM_PTR(&mp_module_lwip) }, \
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{ MP_ROM_QSTR(MP_QSTR_network), MP_ROM_PTR(&network_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_utime), MP_ROM_PTR(&utime_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_uos), MP_ROM_PTR(&uos_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) }, \
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{ MP_ROM_QSTR(MP_QSTR__onewire), MP_ROM_PTR(&mp_module_onewire) }, \
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#define MP_STATE_PORT MP_STATE_VM
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#define MICROPY_PORT_ROOT_POINTERS \
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const char *readline_hist[8]; \
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mp_obj_t pin_irq_handler[16]; \
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byte *uart0_rxbuf; \
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// We need to provide a declaration/definition of alloca()
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#include <alloca.h>
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// board specifics
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#define MICROPY_MPHALPORT_H "esp_mphal.h"
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#define MICROPY_PY_SYS_PLATFORM "esp8266"
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#define MP_FASTCODE(n) __attribute__((section(".iram0.text." #n))) n
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#define _assert(expr) ((expr) ? (void)0 : __assert_func(__FILE__, __LINE__, __func__, #expr))
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