adafruit · tannewt · Feb 19, 2022 · Sep 17, 2021 · Sep 19, 2021 · Oct 25, 2021
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -72,10 +72,10 @@ jobs:
       run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests.py -j1 --emit native
       working-directory: tests
     - name: mpy Tests
-      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests.py -j1 --mpy-cross-flags='-mcache-lookup-bc' --via-mpy -d basics float micropython
+      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests.py -j1 --via-mpy -d basics float micropython
       working-directory: tests
     - name: Native mpy Tests
-      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests.py -j1 --mpy-cross-flags='-mcache-lookup-bc' --via-mpy --emit native -d basics float micropython
+      run: MICROPY_CPYTHON3=python3.8 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests.py -j1 --via-mpy --emit native -d basics float micropython
       working-directory: tests
     - name: Build native modules
       run: |

diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2013-2021 Damien P. George
+Copyright (c) 2013-2022 Damien P. George
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

diff --git a/docs/library/framebuf.rst b/docs/library/framebuf.rst
@@ -21,11 +21,11 @@ For example::
     import framebuf
 
     # FrameBuffer needs 2 bytes for every RGB565 pixel
-    fbuf = framebuf.FrameBuffer(bytearray(10 * 100 * 2), 10, 100, framebuf.RGB565)
+    fbuf = framebuf.FrameBuffer(bytearray(100 * 10 * 2), 100, 10, framebuf.RGB565)
 
     fbuf.fill(0)
     fbuf.text('MicroPython!', 0, 0, 0xffff)
-    fbuf.hline(0, 10, 96, 0xffff)
+    fbuf.hline(0, 9, 96, 0xffff)
 
 Constructors
 ------------

diff --git a/docs/library/sys.rst b/docs/library/sys.rst
@@ -80,6 +80,14 @@ Constants
 
    A mutable list of directories to search for imported modules.
 
+   .. admonition:: Difference to CPython
+      :class: attention
+
+      On MicroPython, an entry with the value ``".frozen"`` will indicate that import
+      should search :term:`frozen modules <frozen module>` at that point in the search.
+      If no frozen module is found then search will *not* look for a directory called
+      ``.frozen``, instead it will continue with the next entry in ``sys.path``.
+
 .. data:: platform
 
    The platform that CircuitPython is running on. For OS/RTOS ports, this is

diff --git a/extmod/extmod.cmake b/extmod/extmod.cmake
@@ -10,11 +10,13 @@ set(MICROPY_SOURCE_EXTMOD
     ${MICROPY_EXTMOD_DIR}/machine_i2c.c
     ${MICROPY_EXTMOD_DIR}/machine_mem.c
     ${MICROPY_EXTMOD_DIR}/machine_pulse.c
+    ${MICROPY_EXTMOD_DIR}/machine_pwm.c
     ${MICROPY_EXTMOD_DIR}/machine_signal.c
     ${MICROPY_EXTMOD_DIR}/machine_spi.c
     ${MICROPY_EXTMOD_DIR}/modbluetooth.c
     ${MICROPY_EXTMOD_DIR}/modbtree.c
     ${MICROPY_EXTMOD_DIR}/modframebuf.c
+    ${MICROPY_EXTMOD_DIR}/modnetwork.c
     ${MICROPY_EXTMOD_DIR}/modonewire.c
     ${MICROPY_EXTMOD_DIR}/moduasyncio.c
     ${MICROPY_EXTMOD_DIR}/modubinascii.c
@@ -23,9 +25,11 @@ set(MICROPY_SOURCE_EXTMOD
     ${MICROPY_EXTMOD_DIR}/moduhashlib.c
     ${MICROPY_EXTMOD_DIR}/moduheapq.c
     ${MICROPY_EXTMOD_DIR}/modujson.c
+    ${MICROPY_EXTMOD_DIR}/moduplatform.c
     ${MICROPY_EXTMOD_DIR}/modurandom.c
     ${MICROPY_EXTMOD_DIR}/modure.c
     ${MICROPY_EXTMOD_DIR}/moduselect.c
+    ${MICROPY_EXTMOD_DIR}/modusocket.c
     ${MICROPY_EXTMOD_DIR}/modussl_axtls.c
     ${MICROPY_EXTMOD_DIR}/modussl_mbedtls.c
     ${MICROPY_EXTMOD_DIR}/modutimeq.c

diff --git a/extmod/modonewire.c b/extmod/modonewire.c
@@ -9,6 +9,8 @@
 #include "py/obj.h"
 #include "py/mphal.h"
 
+#if MICROPY_PY_ONEWIRE
+
 /******************************************************************************/
 // Low-level 1-Wire routines
 
@@ -139,3 +141,5 @@ const mp_obj_module_t mp_module_onewire = {
     .base = { &mp_type_module },
     .globals = (mp_obj_dict_t *)&onewire_module_globals,
 };
+
+#endif // MICROPY_PY_ONEWIRE
diff --git a/extmod/moduplatform.c b/extmod/moduplatform.c
@@ -0,0 +1,146 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013-2021 Ibrahim Abdelkader <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#include "py/runtime.h"
+#include "py/objtuple.h"
+#include "py/objstr.h"
+#include "py/mphal.h"
+#include "genhdr/mpversion.h"
+
+#if MICROPY_PY_UPLATFORM
+
+// platform - Access to underlying platform's identifying data
+
+// TODO: Add more architectures, compilers and libraries.
+// See: https://sourceforge.net/p/predef/wiki/Home/
+
+#if defined(__ARM_ARCH)
+#define PLATFORM_ARCH   "arm"
+#elif defined(__x86_64__) || defined(_WIN64)
+#define PLATFORM_ARCH   "x86_64"
+#elif defined(__i386__) || defined(_M_IX86)
+#define PLATFORM_ARCH   "x86"
+#elif defined(__xtensa__) || defined(_M_IX86)
+#define PLATFORM_ARCH   "xtensa"
+#else
+#define PLATFORM_ARCH   ""
+#endif
+
+#if defined(__GNUC__)
+#define PLATFORM_COMPILER \
+    "GCC " \
+    MP_STRINGIFY(__GNUC__) "." \
+    MP_STRINGIFY(__GNUC_MINOR__) "." \
+    MP_STRINGIFY(__GNUC_PATCHLEVEL__)
+#elif defined(__ARMCC_VERSION)
+#define PLATFORM_COMPILER \
+    "ARMCC " \
+    MP_STRINGIFY((__ARMCC_VERSION / 1000000)) "." \
+    MP_STRINGIFY((__ARMCC_VERSION / 10000 % 100)) "." \
+    MP_STRINGIFY((__ARMCC_VERSION % 10000))
+#elif defined(_MSC_VER)
+#if defined(_WIN64)
+#define COMPILER_BITS "64 bit"
+#elif defined(_M_IX86)
+#define COMPILER_BITS "32 bit"
+#else
+#define COMPILER_BITS ""
+#endif
+#define PLATFORM_COMPILER \
+    "MSC v." MP_STRINGIFY(_MSC_VER) " " COMPILER_BITS
+#else
+#define PLATFORM_COMPILER       ""
+#endif
+
+#if defined(__GLIBC__)
+#define PLATFORM_LIBC_LIB       "glibc"
+#define PLATFORM_LIBC_VER \
+    MP_STRINGIFY(__GLIBC__) "." \
+    MP_STRINGIFY(__GLIBC_MINOR__)
+#elif defined(__NEWLIB__)
+#define PLATFORM_LIBC_LIB       "newlib"
+#define PLATFORM_LIBC_VER       _NEWLIB_VERSION
+#else
+#define PLATFORM_LIBC_LIB       ""
+#define PLATFORM_LIBC_VER       ""
+#endif
+
+#if defined(__linux)
+#define PLATFORM_SYSTEM     "Linux"
+#elif defined(__unix__)
+#define PLATFORM_SYSTEM     "Unix"
+#elif defined(__CYGWIN__)
+#define PLATFORM_SYSTEM     "Cygwin"
+#elif defined(_WIN32)
+#define PLATFORM_SYSTEM     "Windows"
+#else
+#define PLATFORM_SYSTEM     "MicroPython"
+#endif
+
+#ifndef MICROPY_PLATFORM_VERSION
+#define MICROPY_PLATFORM_VERSION ""
+#endif
+
+STATIC const MP_DEFINE_STR_OBJ(info_platform_obj, PLATFORM_SYSTEM "-" MICROPY_VERSION_STRING "-" \
+    PLATFORM_ARCH "-" MICROPY_PLATFORM_VERSION "-with-" PLATFORM_LIBC_LIB "" PLATFORM_LIBC_VER);
+STATIC const MP_DEFINE_STR_OBJ(info_python_compiler_obj, PLATFORM_COMPILER);
+STATIC const MP_DEFINE_STR_OBJ(info_libc_lib_obj, PLATFORM_LIBC_LIB);
+STATIC const MP_DEFINE_STR_OBJ(info_libc_ver_obj, PLATFORM_LIBC_VER);
+STATIC const mp_rom_obj_tuple_t info_libc_tuple_obj = {
+    {&mp_type_tuple}, 2, {MP_ROM_PTR(&info_libc_lib_obj), MP_ROM_PTR(&info_libc_ver_obj)}
+};
+
+STATIC mp_obj_t platform_platform(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    return MP_OBJ_FROM_PTR(&info_platform_obj);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(platform_platform_obj, 0, platform_platform);
+
+STATIC mp_obj_t platform_python_compiler(void) {
+    return MP_OBJ_FROM_PTR(&info_python_compiler_obj);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(platform_python_compiler_obj, platform_python_compiler);
+
+STATIC mp_obj_t platform_libc_ver(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    return MP_OBJ_FROM_PTR(&info_libc_tuple_obj);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(platform_libc_ver_obj, 0, platform_libc_ver);
+
+STATIC const mp_rom_map_elem_t modplatform_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uplatform) },
+    { MP_ROM_QSTR(MP_QSTR_platform), MP_ROM_PTR(&platform_platform_obj) },
+    { MP_ROM_QSTR(MP_QSTR_python_compiler), MP_ROM_PTR(&platform_python_compiler_obj) },
+    { MP_ROM_QSTR(MP_QSTR_libc_ver), MP_ROM_PTR(&platform_libc_ver_obj) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(modplatform_globals, modplatform_globals_table);
+
+const mp_obj_module_t mp_module_uplatform = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&modplatform_globals,
+};
+
+#endif // MICROPY_PY_UPLATFORM
diff --git a/extmod/modure.c b/extmod/modure.c
@@ -477,11 +477,16 @@ MP_REGISTER_MODULE(MP_QSTR_re, mp_module_ure, MICROPY_PY_URE);
 // only if module is enabled by config setting.
 
 #define re1_5_fatal(x) assert(!x)
+
 #include "lib/re1.5/compilecode.c"
+#include "lib/re1.5/recursiveloop.c"
+#include "lib/re1.5/charclass.c"
+
 #if MICROPY_PY_URE_DEBUG
+// Make sure the output print statements go to the same output as other Python output.
+#define printf(...) mp_printf(&mp_plat_print, __VA_ARGS__)
 #include "lib/re1.5/dumpcode.c"
+#undef printf
 #endif
-#include "lib/re1.5/recursiveloop.c"
-#include "lib/re1.5/charclass.c"
 
 #endif // MICROPY_PY_URE
diff --git a/extmod/uasyncio/core.py b/extmod/uasyncio/core.py
@@ -36,7 +36,7 @@ def __init__(self):
         self.state = None
         self.exc = StopIteration()
 
-    def __iter__(self):
+    def __await__(self):
         return self
 
     def __next__(self):

diff --git a/extmod/uasyncio/funcs.py b/extmod/uasyncio/funcs.py
@@ -66,7 +66,7 @@ async def gather(*aws, return_exceptions=False):
             #        # cancel all waiting tasks
             #        raise er
             ts[i] = await ts[i]
-        except Exception as er:
+        except (core.CancelledError, Exception) as er:
             if return_exceptions:
                 ts[i] = er
             else:

diff --git a/extmod/uasyncio/task.py b/extmod/uasyncio/task.py
@@ -130,7 +130,7 @@ def __init__(self, coro, globals=None):
         self.ph_next = None  # Paring heap
         self.ph_rightmost_parent = None  # Paring heap
 
-    def __iter__(self):
+    def __await__(self):
         if not self.state:
             # Task finished, signal that is has been await'ed on.
             self.state = False

diff --git a/extmod/vfs_posix_file.c b/extmod/vfs_posix_file.c
@@ -17,6 +17,8 @@
 
 #ifdef _WIN32
 #define fsync _commit
+#else
+#include <poll.h>
 #endif
 
 typedef struct _mp_obj_vfs_posix_file_t {
@@ -180,6 +182,32 @@ STATIC mp_uint_t vfs_posix_file_ioctl(mp_obj_t o_in, mp_uint_t request, uintptr_
             return 0;
         case MP_STREAM_GET_FILENO:
             return o->fd;
+        #if MICROPY_PY_USELECT
+        case MP_STREAM_POLL: {
+            #ifdef _WIN32
+            mp_raise_NotImplementedError(MP_ERROR_TEXT("poll on file not available on win32"));
+            #else
+            mp_uint_t ret = 0;
+            uint8_t pollevents = 0;
+            if (arg & MP_STREAM_POLL_RD) {
+                pollevents |= POLLIN;
+            }
+            if (arg & MP_STREAM_POLL_WR) {
+                pollevents |= POLLOUT;
+            }
+            struct pollfd pfd = { .fd = o->fd, .events = pollevents };
+            if (poll(&pfd, 1, 0) > 0) {
+                if (pfd.revents & POLLIN) {
+                    ret |= MP_STREAM_POLL_RD;
+                }
+                if (pfd.revents & POLLOUT) {
+                    ret |= MP_STREAM_POLL_WR;
+                }
+            }
+            return ret;
+            #endif
+        }
+        #endif
         default:
             *errcode = EINVAL;
             return MP_STREAM_ERROR;

diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
@@ -2886,6 +2886,10 @@ msgstr ""
 msgid "can't load with '%q' index"
 msgstr ""
 
+#: py/builtinimport.c
+msgid "can't perform relative import"
+msgstr ""
+
 #: py/objgenerator.c
 msgid "can't send non-None value to a just-started generator"
 msgstr ""
@@ -2948,10 +2952,6 @@ msgstr ""
 msgid "cannot import name %q"
 msgstr ""
 
-#: py/builtinimport.c
-msgid "cannot perform relative import"
-msgstr ""
-
 #: extmod/moductypes.c
 msgid "cannot unambiguously get sizeof scalar"
 msgstr ""
@@ -3642,7 +3642,7 @@ msgstr ""
 msgid "matrix is not positive definite"
 msgstr ""
 
-#: shared-bindings/wifi/Radio.c
+#: ports/espressif/common-hal/wifi/Radio.c
 msgid "max_connections must be between 0 and 10"
 msgstr ""
 
@@ -4023,6 +4023,10 @@ msgstr ""
 msgid "pixel_shader must be displayio.Palette or displayio.ColorConverter"
 msgstr ""
 
+#: extmod/vfs_posix_file.c
+msgid "poll on file not available on win32"
+msgstr ""
+
 #: shared-module/vectorio/Polygon.c
 msgid "polygon can only be registered in one parent"
 msgstr ""
@@ -4068,6 +4072,7 @@ msgstr ""
 #: ports/espressif/boards/crumpspace_crumps2/mpconfigboard.h
 #: ports/espressif/boards/electroniccats_bastwifi/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32c3_devkitm_1_n4/mpconfigboard.h
+#: ports/espressif/boards/espressif_esp32s2_devkitc_1_n4r2/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32s3_box/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32s3_devkitc_1_n8/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32s3_devkitc_1_n8r2/mpconfigboard.h

diff --git a/main.c b/main.c
@@ -162,9 +162,9 @@ STATIC void start_mp(supervisor_allocation *heap, bool first_run) {
     mp_obj_list_init((mp_obj_list_t *)mp_sys_path, 0);
     mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
     mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_));
-    // Frozen modules are in their own pseudo-dir, e.g., ".frozen".
-    // Prioritize .frozen over /lib.
-    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_FROZEN_FAKE_DIR_QSTR));
+    #if MICROPY_MODULE_FROZEN
+    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__dot_frozen));
+    #endif
     mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
 
     mp_obj_list_init((mp_obj_list_t *)mp_sys_argv, 0);