Merge branch 'master' into new-pixelbuf-api

.github/workflows/build.yml

@@ -155,12 +155,15 @@ jobs:
         - "stm32f411ve_discovery"
         - "stm32f412zg_discovery"
         - "stringcar_m0_express"
+        - "teknikio_bluebird"
         - "trellis_m4_express"
         - "trinket_m0"
         - "trinket_m0_haxpress"
         - "uchip"
         - "ugame10"
         - "winterbloom_sol"
+        - "xinabox_cc03"
+        - "xinabox_cs11"
 
     steps:
     - name: Set up Python 3.5

.gitignore

@@ -65,6 +65,8 @@ TAGS
 *~
 
 *.DS_Store
+**/*.DS_Store
+*.icloud
 
 # POEdit mo files
 ####################

.gitmodules

@@ -102,6 +102,9 @@
 [submodule "ports/cxd56/spresense-exported-sdk"]
 	path = ports/cxd56/spresense-exported-sdk
 	url = https://github.com/sonydevworld/spresense-exported-sdk.git
+[submodule "frozen/Adafruit_CircuitPython_SD"]
+	path = frozen/Adafruit_CircuitPython_SD
+	url = https://github.com/adafruit/Adafruit_CircuitPython_SD.git
 [submodule "lib/mp3"]
 	path = lib/mp3
 	url = https://github.com/adafruit/Adafruit_MP3

frozen/Adafruit_CircuitPython_SD

@@ -0,0 +1 @@
+Subproject commit 5ad33e4ca219f0e216beab439cfa259cde32016c

ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.h

@@ -27,6 +27,9 @@
 // Explanation of how a user got into safe mode.
 #define BOARD_USER_SAFE_MODE_ACTION "pressing both buttons at start up"
 
+// Increase stack size slightly due to CPX library import nesting
+#define CIRCUITPY_DEFAULT_STACK_SIZE  (4504)
+
 #define DEFAULT_I2C_BUS_SCL (&pin_PB03)
 #define DEFAULT_I2C_BUS_SDA (&pin_PB02)
 

ports/atmel-samd/boards/circuitplayground_express_crickit/mpconfigboard.h

@@ -27,6 +27,9 @@
 // Explanation of how a user got into safe mode.
 #define BOARD_USER_SAFE_MODE_ACTION "pressing both buttons at start up"
 
+// Increase stack size slightly due to CPX library import nesting
+#define CIRCUITPY_DEFAULT_STACK_SIZE  (4504)
+
 #define DEFAULT_I2C_BUS_SCL (&pin_PB03)
 #define DEFAULT_I2C_BUS_SDA (&pin_PB02)
 

ports/atmel-samd/boards/circuitplayground_express_displayio/mpconfigboard.h

@@ -27,6 +27,9 @@
 // Explanation of how a user got into safe mode.
 #define BOARD_USER_SAFE_MODE_ACTION "pressing both buttons at start up"
 
+// Increase stack size slightly due to CPX library import nesting.
+#define CIRCUITPY_DEFAULT_STACK_SIZE  (4504)  // divisible by 8
+
 #define DEFAULT_I2C_BUS_SCL (&pin_PB03)
 #define DEFAULT_I2C_BUS_SDA (&pin_PB02)
 

ports/atmel-samd/boards/xinabox_cc03/board.c

@@ -0,0 +1,40 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * 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 "boards/board.h"
+#include "mpconfigboard.h"
+#include "hal/include/hal_gpio.h"
+
+void board_init(void)
+{
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+}

ports/atmel-samd/boards/xinabox_cc03/mpconfigboard.h

@@ -0,0 +1,24 @@
+#define MICROPY_HW_BOARD_NAME "XinaBox CC03"
+#define MICROPY_HW_MCU_NAME "samd21g18"
+
+#define MICROPY_PORT_A        (0)
+#define MICROPY_PORT_B        (0)
+#define MICROPY_PORT_C        (0)
+
+#define CIRCUITPY_INTERNAL_NVM_SIZE 256
+
+#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - 0x010000 - CIRCUITPY_INTERNAL_NVM_SIZE)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_PA23)
+#define DEFAULT_I2C_BUS_SDA (&pin_PA22)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_PB11)
+#define DEFAULT_SPI_BUS_MOSI (&pin_PB10)
+#define DEFAULT_SPI_BUS_MISO (&pin_PA12)
+
+#define DEFAULT_UART_BUS_RX (&pin_PA11)
+#define DEFAULT_UART_BUS_TX (&pin_PA10)
+
+// USB is always used internally so skip the pin objects for it.
+#define IGNORE_PIN_PA24     1
+#define IGNORE_PIN_PA25     1

ports/atmel-samd/boards/xinabox_cc03/mpconfigboard.mk

@@ -0,0 +1,26 @@
+LD_FILE = boards/samd21x18-bootloader.ld
+USB_VID = 0x04D8
+USB_PID = 0xEC72
+USB_PRODUCT = "XinaBox CC03"
+USB_MANUFACTURER = "XinaBox"
+
+CHIP_VARIANT = SAMD21G18A
+CHIP_FAMILY = samd21
+
+INTERNAL_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = MPZ
+CIRCUITPY_SMALL_BUILD = 1
+
+SUPEROPT_GC = 0
+
+# Make room for frozen libs.
+CIRCUITPY_FREQUENCYIO = 0
+CIRCUITPY_ANALOGIO=0
+CIRCUITPY_NEOPIXEL_WRITE=0
+CIRCUITPY_PULSEIO=0
+CIRCUITPY_ROTARYIO=0
+CIRCUITPY_TOUCHIO_USE_NATIVE=0
+CIRCUITPY_TOUCHIO=0
+
+# Include these Python libraries in firmware.
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice

ports/atmel-samd/boards/xinabox_cc03/pins.c

@@ -0,0 +1,15 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PA11) },
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_PA10) },
+    { MP_ROM_QSTR(MP_QSTR_RED), MP_ROM_PTR(&pin_PA05) },
+    { MP_ROM_QSTR(MP_QSTR_GREEN), MP_ROM_PTR(&pin_PA06) },
+    { MP_ROM_QSTR(MP_QSTR_BLUE), MP_ROM_PTR(&pin_PA07) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA22) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA23) },
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) }
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

ports/atmel-samd/boards/xinabox_cs11/board.c

@@ -0,0 +1,40 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * 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 "boards/board.h"
+#include "mpconfigboard.h"
+#include "hal/include/hal_gpio.h"
+
+void board_init(void)
+{
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+}

ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.h

@@ -0,0 +1,24 @@
+#define MICROPY_HW_BOARD_NAME "XinaBox CS11"
+#define MICROPY_HW_MCU_NAME "samd21g18"
+
+#define MICROPY_PORT_A        (0)
+#define MICROPY_PORT_B        (0)
+#define MICROPY_PORT_C        (0)
+
+#define CIRCUITPY_INTERNAL_NVM_SIZE 256
+
+#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - 0x010000 - CIRCUITPY_INTERNAL_NVM_SIZE)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_PA23)
+#define DEFAULT_I2C_BUS_SDA (&pin_PA22)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_PB11)
+#define DEFAULT_SPI_BUS_MOSI (&pin_PB10)
+#define DEFAULT_SPI_BUS_MISO (&pin_PA12)
+
+#define DEFAULT_UART_BUS_RX (&pin_PA11)
+#define DEFAULT_UART_BUS_TX (&pin_PA10)
+
+// USB is always used internally so skip the pin objects for it.
+#define IGNORE_PIN_PA24     1
+#define IGNORE_PIN_PA25     1

ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk

@@ -0,0 +1,29 @@
+LD_FILE = boards/samd21x18-bootloader.ld
+USB_VID = 0x04D8
+USB_PID = 0xEC75
+USB_PRODUCT = "XinaBox CS11"
+USB_MANUFACTURER = "XinaBox"
+
+CHIP_VARIANT = SAMD21G18A
+CHIP_FAMILY = samd21
+
+INTERNAL_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = MPZ
+CIRCUITPY_SMALL_BUILD = 1
+
+SUPEROPT_GC = 0
+
+# Make room for frozen libs.
+CIRCUITPY_FREQUENCYIO = 0
+CIRCUITPY_ANALOGIO=0
+CIRCUITPY_NEOPIXEL_WRITE=0
+CIRCUITPY_PULSEIO=0
+CIRCUITPY_ROTARYIO=0
+CIRCUITPY_TOUCHIO_USE_NATIVE=0
+CIRCUITPY_TOUCHIO=0
+CIRCUITPY_USB_MIDI=0
+CIRCUITPY_RTC=0
+
+# Include these Python libraries in firmware.
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD

ports/atmel-samd/boards/xinabox_cs11/pins.c

@@ -0,0 +1,20 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PA11) },
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_PA10) },
+    { MP_ROM_QSTR(MP_QSTR_CS), MP_ROM_PTR(&pin_PA09) },
+    { MP_ROM_QSTR(MP_QSTR_ALERT), MP_ROM_PTR(&pin_PA07) },
+    { MP_ROM_QSTR(MP_QSTR_RED), MP_ROM_PTR(&pin_PA16) },
+    { MP_ROM_QSTR(MP_QSTR_GREEN), MP_ROM_PTR(&pin_PA19) },
+    { MP_ROM_QSTR(MP_QSTR_BLUE), MP_ROM_PTR(&pin_PA17) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA22) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA23) },
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PB11) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PB10) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PA12) },
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) }
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

ports/atmel-samd/mpconfigport.h

@@ -42,7 +42,6 @@
 #define CIRCUITPY_MCU_FAMILY                        samd21
 #define MICROPY_PY_SYS_PLATFORM                     "Atmel SAMD21"
 #define SPI_FLASH_MAX_BAUDRATE 8000000
-#define CIRCUITPY_DEFAULT_STACK_SIZE                4096
 #define MICROPY_PY_BUILTINS_NOTIMPLEMENTED          (0)
 #define MICROPY_PY_COLLECTIONS_ORDEREDDICT          (0)
 #define MICROPY_PY_FUNCTION_ATTRS                   (0)
@@ -74,8 +73,6 @@
 #define CIRCUITPY_MCU_FAMILY                        samd51
 #define MICROPY_PY_SYS_PLATFORM                     "MicroChip SAMD51"
 #define SPI_FLASH_MAX_BAUDRATE 24000000
-// 24kiB stack
-#define CIRCUITPY_DEFAULT_STACK_SIZE                0x6000
 #define MICROPY_PY_BUILTINS_NOTIMPLEMENTED          (1)
 #define MICROPY_PY_COLLECTIONS_ORDEREDDICT          (1)
 #define MICROPY_PY_FUNCTION_ATTRS                   (1)
@@ -108,6 +105,10 @@
 #define CIRCUITPY_INTERNAL_NVM_SIZE (256)
 #endif
 
+#ifndef CIRCUITPY_DEFAULT_STACK_SIZE
+#define CIRCUITPY_DEFAULT_STACK_SIZE                4096
+#endif
+
 #endif // SAMD21
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -118,6 +119,10 @@
 #define CIRCUITPY_INTERNAL_NVM_SIZE (8192)
 #endif
 
+#ifndef CIRCUITPY_DEFAULT_STACK_SIZE
+#define CIRCUITPY_DEFAULT_STACK_SIZE                (24*1024)
+#endif
+
 // If CIRCUITPY is internal, use half of flash for it.
 #if INTERNAL_FLASH_FILESYSTEM
   #ifndef CIRCUITPY_INTERNAL_FLASH_FILESYSTEM_SIZE

ports/nrf/boards/teknikio_bluebird/board.c

@@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * 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 "boards/board.h"
+
+void board_init(void) {
+}
+
+bool board_requests_safe_mode(void) {
+  return false;
+}
+
+void reset_board(void) {
+
+}

ports/nrf/boards/teknikio_bluebird/mpconfigboard.h

@@ -0,0 +1,48 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Glenn Ruben Bakke
+ * Copyright (c) 2018 Dan Halbert for Adafruit Industries
+ *
+ * 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.
+ */
+
+//https://github.com/Teknikio/TKInventionBuilderFramework
+
+
+#include "nrfx/hal/nrf_gpio.h"
+
+#define MICROPY_HW_BOARD_NAME       "Teknikio Bluebird"
+#define MICROPY_HW_MCU_NAME         "nRF52840"
+
+#define MICROPY_HW_NEOPIXEL         (&pin_P0_26)
+
+#define DEFAULT_I2C_BUS_SCL         (&pin_P0_27)
+#define DEFAULT_I2C_BUS_SDA         (&pin_P0_26)
+
+#define DEFAULT_SPI_BUS_SCK         (&pin_P1_15)
+#define DEFAULT_SPI_BUS_MOSI        (&pin_P1_13)
+#define DEFAULT_SPI_BUS_MISO        (&pin_P1_14)
+
+#define DEFAULT_UART_BUS_RX         (&pin_P1_07)
+#define DEFAULT_UART_BUS_TX         (&pin_P1_08)
+
+#define BOARD_HAS_CRYSTAL 1  // according to the schematic we do

ports/nrf/boards/teknikio_bluebird/mpconfigboard.mk

@@ -0,0 +1,8 @@
+USB_VID = 0x239A
+USB_PID = 0x8070
+USB_PRODUCT = "Bluebird"
+USB_MANUFACTURER = "Teknikio"
+
+MCU_CHIP = nrf52840
+
+INTERNAL_FLASH_FILESYSTEM = 1

ports/nrf/boards/teknikio_bluebird/pins.c

@@ -0,0 +1,62 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+
+    { MP_ROM_QSTR(MP_QSTR_P0_12),                   MP_ROM_PTR(&pin_P0_12) },
+    { MP_ROM_QSTR(MP_QSTR_D9),                      MP_ROM_PTR(&pin_P0_12) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_11),                   MP_ROM_PTR(&pin_P0_11) },
+    { MP_ROM_QSTR(MP_QSTR_D14),                     MP_ROM_PTR(&pin_P0_11) },
+
+    { MP_ROM_QSTR(MP_QSTR_P1_09),                   MP_ROM_PTR(&pin_P1_09) },
+    { MP_ROM_QSTR(MP_QSTR_D8),                      MP_ROM_PTR(&pin_P1_09) },
+
+    { MP_ROM_QSTR(MP_QSTR_P1_08),                   MP_ROM_PTR(&pin_P1_08) },
+    { MP_ROM_QSTR(MP_QSTR_D13),                     MP_ROM_PTR(&pin_P1_08) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_08),                   MP_ROM_PTR(&pin_P0_08) },
+    { MP_ROM_QSTR(MP_QSTR_D12),                     MP_ROM_PTR(&pin_P0_08) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_07),                   MP_ROM_PTR(&pin_P0_07) },
+    { MP_ROM_QSTR(MP_QSTR_D11),                     MP_ROM_PTR(&pin_P0_07) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_06),                   MP_ROM_PTR(&pin_P0_06) },
+    { MP_ROM_QSTR(MP_QSTR_D7),                      MP_ROM_PTR(&pin_P0_06) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_05),                   MP_ROM_PTR(&pin_P0_05) },
+    { MP_ROM_QSTR(MP_QSTR_D5),                      MP_ROM_PTR(&pin_P0_05) },
+    { MP_ROM_QSTR(MP_QSTR_A5),                      MP_ROM_PTR(&pin_P0_05) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_04),                   MP_ROM_PTR(&pin_P0_04) },
+    { MP_ROM_QSTR(MP_QSTR_D6),                      MP_ROM_PTR(&pin_P0_04) },
+    { MP_ROM_QSTR(MP_QSTR_A6),                      MP_ROM_PTR(&pin_P0_04) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_29),                   MP_ROM_PTR(&pin_P0_29) },
+    { MP_ROM_QSTR(MP_QSTR_A1),                      MP_ROM_PTR(&pin_P0_29) },
+    { MP_ROM_QSTR(MP_QSTR_D1),                      MP_ROM_PTR(&pin_P0_29) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_31),                   MP_ROM_PTR(&pin_P0_31) },
+    { MP_ROM_QSTR(MP_QSTR_A2),                      MP_ROM_PTR(&pin_P0_31) },
+    { MP_ROM_QSTR(MP_QSTR_D2),                      MP_ROM_PTR(&pin_P0_31) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_02),                   MP_ROM_PTR(&pin_P0_02) },
+    { MP_ROM_QSTR(MP_QSTR_A3),                      MP_ROM_PTR(&pin_P0_02) },
+    { MP_ROM_QSTR(MP_QSTR_D3),                      MP_ROM_PTR(&pin_P0_02) },
+
+    { MP_ROM_QSTR(MP_QSTR_P0_03),                   MP_ROM_PTR(&pin_P0_03) },
+    { MP_ROM_QSTR(MP_QSTR_A4),                      MP_ROM_PTR(&pin_P0_03) },
+    { MP_ROM_QSTR(MP_QSTR_D4),                      MP_ROM_PTR(&pin_P0_03) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL),                MP_ROM_PTR(&pin_P0_26) },
+
+    { MP_ROM_QSTR(MP_QSTR_LIGHT),                   MP_ROM_PTR(&pin_P0_28) },
+    { MP_ROM_QSTR(MP_QSTR_LIGHT_ENABLE),            MP_ROM_PTR(&pin_P0_30) },
+
+    { MP_ROM_QSTR(MP_QSTR_SPEAKER),                 MP_ROM_PTR(&pin_P1_15) },
+
+    { MP_ROM_QSTR(MP_QSTR_ACCELEROMETER_INTERRUPT), MP_ROM_PTR(&pin_P1_10) },
+    { MP_ROM_QSTR(MP_QSTR_ACCELEROMETER_SDA),       MP_ROM_PTR(&pin_P1_12) },
+    { MP_ROM_QSTR(MP_QSTR_ACCELEROMETER_SCL),       MP_ROM_PTR(&pin_P1_11) },
+};
+
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

ports/nrf/common-hal/audiopwmio/PWMAudioOut.c

@@ -255,16 +255,18 @@ void common_hal_audiopwmio_pwmaudioout_play(audiopwmio_pwmaudioout_obj_t* self,
     self->pwm->LOOP = 1;
     audiosample_reset_buffer(self->sample, false, 0);
     activate_audiopwmout_obj(self);
+    self->stopping = false;
+    self->pwm->SHORTS = NRF_PWM_SHORT_LOOPSDONE_SEQSTART0_MASK;
     fill_buffers(self, 0);
     self->pwm->SEQ[1].PTR = self->pwm->SEQ[0].PTR;
     self->pwm->SEQ[1].CNT = self->pwm->SEQ[0].CNT;
     self->pwm->EVENTS_SEQSTARTED[0] = 0;
     self->pwm->EVENTS_SEQSTARTED[1] = 0;
+    self->pwm->EVENTS_SEQEND[0] = 0;
+    self->pwm->EVENTS_SEQEND[1] = 0;
     self->pwm->EVENTS_STOPPED = 0;
-    self->pwm->SHORTS = NRF_PWM_SHORT_LOOPSDONE_SEQSTART0_MASK;
     self->pwm->TASKS_SEQSTART[0] = 1;
     self->playing = true;
-    self->stopping = false;
     self->paused = false;
 }
 

py/py.mk

@@ -317,7 +317,7 @@ SRC_QSTR += $(HEADER_BUILD)/moduledefs.h
 # overall config, so they need to be caught
 MPCONFIGPORT_MK = $(wildcard mpconfigport.mk)
 
-$(HEADER_BUILD)/$(TRANSLATION).mo: $(TOP)/locale/$(TRANSLATION).po
+$(HEADER_BUILD)/$(TRANSLATION).mo: $(TOP)/locale/$(TRANSLATION).po | $(HEADER_BUILD)
 	$(Q)msgfmt -o $@ $^
 
 $(HEADER_BUILD)/qstrdefs.preprocessed.h: $(PY_QSTR_DEFS) $(QSTR_DEFS) $(QSTR_DEFS_COLLECTED) mpconfigport.h $(MPCONFIGPORT_MK) $(PY_SRC)/mpconfig.h | $(HEADER_BUILD)

shared-module/audiocore/__init__.c

@@ -52,7 +52,7 @@ uint8_t audiosample_channel_count(mp_obj_t sample_obj) {
 
 void audiosample_reset_buffer(mp_obj_t sample_obj, bool single_channel, uint8_t audio_channel) {
     const audiosample_p_t *proto = mp_proto_get_or_throw(MP_QSTR_protocol_audiosample, sample_obj);
-    proto->reset_buffer(MP_OBJ_TO_PTR(sample_obj));
+    proto->reset_buffer(MP_OBJ_TO_PTR(sample_obj), single_channel, audio_channel);
 }
 
 audioio_get_buffer_result_t audiosample_get_buffer(mp_obj_t sample_obj,

shared-module/audiocore/__init__.h

@@ -42,7 +42,8 @@ typedef enum {
 typedef uint32_t (*audiosample_sample_rate_fun)(mp_obj_t);
 typedef uint8_t (*audiosample_bits_per_sample_fun)(mp_obj_t);
 typedef uint8_t (*audiosample_channel_count_fun)(mp_obj_t);
-typedef void (*audiosample_reset_buffer_fun)(mp_obj_t);
+typedef void (*audiosample_reset_buffer_fun)(mp_obj_t,
+        bool single_channel, uint8_t audio_channel);
 typedef audioio_get_buffer_result_t (*audiosample_get_buffer_fun)(mp_obj_t,
         bool single_channel, uint8_t channel, uint8_t** buffer,
         uint32_t* buffer_length);

shared-module/audiomp3/MP3File.c

@@ -88,6 +88,39 @@ STATIC bool mp3file_update_inbuf(audiomp3_mp3file_obj_t* self) {
 #define BYTES_LEFT(self) (self->inbuf_length - self->inbuf_offset)
 #define CONSUME(self, n) (self->inbuf_offset += n)
 
+// http://id3.org/d3v2.3.0
+// http://id3.org/id3v2.3.0
+STATIC void mp3file_skip_id3v2(audiomp3_mp3file_obj_t* self) {
+    mp3file_update_inbuf(self);
+    if (BYTES_LEFT(self) < 10) {
+        return;
+    }
+    uint8_t *data = READ_PTR(self);
+    if (!(
+            data[0] == 'I' &&
+            data[1] == 'D' &&
+            data[2] == '3' &&
+            data[3] != 0xff &&
+            data[4] != 0xff &&
+            (data[5] & 0x1f) == 0 &&
+            (data[6] & 0x80) == 0 &&
+            (data[7] & 0x80) == 0 &&
+            (data[8] & 0x80) == 0 &&
+            (data[9] & 0x80) == 0)) {
+        return;
+    }
+    uint32_t size = (data[6] << 21) | (data[7] << 14) | (data[8] << 7) | (data[9]);
+    size += 10; // size excludes the "header" (but not the "extended header")
+    // First, deduct from size whatever is left in buffer
+    uint32_t to_consume = MIN(size, BYTES_LEFT(self));
+    CONSUME(self, to_consume);
+    size -= to_consume;
+
+    // Next, seek in the file after the header
+    f_lseek(&self->file->fp, f_tell(&self->file->fp) + size);
+    return;
+}
+
 /* If a sync word can be found, advance to it and return true.  Otherwise,
  * return false.
  */
@@ -106,7 +139,15 @@ STATIC bool mp3file_find_sync_word(audiomp3_mp3file_obj_t* self) {
 }
 
 STATIC bool mp3file_get_next_frame_info(audiomp3_mp3file_obj_t* self, MP3FrameInfo* fi) {
-    int err = MP3GetNextFrameInfo(self->decoder, fi, READ_PTR(self));
+    int err;
+    do {
+        err = MP3GetNextFrameInfo(self->decoder, fi, READ_PTR(self));
+        if (err == ERR_MP3_NONE) {
+           break;
+        }
+        CONSUME(self, 1);
+        mp3file_find_sync_word(self);
+    } while (!self->eof);
     return err == ERR_MP3_NONE;
 }
 
@@ -223,6 +264,7 @@ void audiomp3_mp3file_reset_buffer(audiomp3_mp3file_obj_t* self,
     self->eof = 0;
     self->other_channel = -1;
     mp3file_update_inbuf(self);
+    mp3file_skip_id3v2(self);
     mp3file_find_sync_word(self);
 }
 
@@ -253,6 +295,7 @@ audioio_get_buffer_result_t audiomp3_mp3file_get_buffer(audiomp3_mp3file_obj_t*
     self->buffer_index = !self->buffer_index;
     int16_t *buffer = (int16_t *)(void *)self->buffers[self->buffer_index];
 
+    mp3file_skip_id3v2(self);
     if (!mp3file_find_sync_word(self)) {
         return self->eof ? GET_BUFFER_DONE : GET_BUFFER_ERROR;
     }

tools/build_memory_info.py

@@ -73,7 +73,7 @@ ram_region = regions["RAM"]
 free_flash = firmware_region - text - data
 free_ram = ram_region - data - bss
 print("{} bytes free in flash firmware space out of {} bytes ({}kB).".format(free_flash, firmware_region, firmware_region / 1024))
-print("{} bytes free in ram for heap out of {} bytes ({}kB).".format(free_ram, ram_region, ram_region / 1024))
+print("{} bytes free in ram for stack and heap out of {} bytes ({}kB).".format(free_ram, ram_region, ram_region / 1024))
 print()
 
 # Check that we have free flash space. GCC doesn't fail when the text + data

tools/preprocess_frozen_modules.py

@@ -35,6 +35,7 @@ def copy_and_process(in_dir, out_dir):
         # Skip library examples directory and subfolders.
         relative_path_parts = Path(root).relative_to(in_dir).parts
         if relative_path_parts and relative_path_parts[0] in ['examples', 'docs', 'tests']:
+            del subdirs[:]
             continue
 
         for file in files: