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Merge pull request #2018 from keith-packard/snekboard
Add board support for keithp.com SnekBoard
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‎.travis.yml

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env:
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- TRAVIS_TESTS="unix docs translations website" TRAVIS_BOARDS="trinket_m0_haxpress circuitplayground_express mini_sam_m4 grandcentral_m4_express capablerobot_usbhub pygamer pca10056 pca10059 feather_nrf52840_express makerdiary_nrf52840_mdk makerdiary_nrf52840_mdk_usb_dongle particle_boron particle_argon particle_xenon sparkfun_nrf52840_mini electronut_labs_papyr electronut_labs_blip" TRAVIS_SDK=arm:nrf
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- TRAVIS_BOARDS="metro_m0_express metro_m4_express metro_m4_airlift_lite pirkey_m0 trellis_m4_express trinket_m0 sparkfun_lumidrive sparkfun_redboard_turbo bast_pro_mini_m0 datum_distance pyruler" TRAVIS_SDK=arm
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- TRAVIS_BOARDS="cp32-m4 feather_radiofruit_zigbee gemma_m0 hallowing_m0_express itsybitsy_m0_express itsybitsy_m4_express meowmeow sam32 uchip escornabot_makech pygamer_advance datum_imu" TRAVIS_SDK=arm
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- TRAVIS_BOARDS="cp32-m4 feather_radiofruit_zigbee gemma_m0 hallowing_m0_express itsybitsy_m0_express itsybitsy_m4_express meowmeow sam32 uchip escornabot_makech pygamer_advance datum_imu snekboard" TRAVIS_SDK=arm
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- TRAVIS_BOARDS="feather_m0_supersized feather_m0_express_crickit feather_m0_rfm69 feather_m0_rfm9x feather_m4_express arduino_zero arduino_mkr1300 arduino_mkrzero pewpew10 kicksat-sprite ugame10 robohatmm1_m0 robohatmm1_m4 datum_light" TRAVIS_SDK=arm
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- TRAVIS_BOARDS="datalore_ip_m4 circuitplayground_express_crickit feather_m0_adalogger feather_m0_basic feather_m0_express catwan_usbstick pyportal sparkfun_samd21_mini sparkfun_samd21_dev pybadge pybadge_airlift datum_weather" TRAVIS_SDK=arm
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‎ports/atmel-samd/boards/snekboard/board.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "boards/board.h"
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void board_init(void)
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{
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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}

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

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#define MICROPY_HW_BOARD_NAME "keithp.com snekboard"
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#define MICROPY_HW_MCU_NAME "samd21g18"
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#define MICROPY_HW_LED_STATUS (&pin_PA02)
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#define MICROPY_HW_NEOPIXEL (&pin_PB11)
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#define SPI_FLASH_MOSI_PIN &pin_PB22
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#define SPI_FLASH_MISO_PIN &pin_PB03
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#define SPI_FLASH_SCK_PIN &pin_PB23
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#define SPI_FLASH_CS_PIN &pin_PA27
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// These are pins not to reset.
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#define MICROPY_PORT_A (PORT_PB11)
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#define MICROPY_PORT_B ( 0 )
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#define MICROPY_PORT_C ( 0 )
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// If you change this, then make sure to update the linker scripts as well to
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// make sure you don't overwrite code.
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#define CIRCUITPY_INTERNAL_NVM_SIZE 256
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#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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#define BOARD_HAS_CRYSTAL 0
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#define DEFAULT_I2C_BUS_SCL (&pin_PA08) /* ANALOG 5 */
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#define DEFAULT_I2C_BUS_SDA (&pin_PA09) /* ANALOG 6 */
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#define DEFAULT_UART_BUS_RX (&pin_PB08) /* ANALOG 1 */
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#define DEFAULT_UART_BUS_TX (&pin_PB09) /* ANALOG 2 */
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// USB is always used internally so skip the pin objects for it.
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#define IGNORE_PIN_PA24 1
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#define IGNORE_PIN_PA25 1

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

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LD_FILE = boards/samd21x18-bootloader-external-flash.ld
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USB_VID = 0x239A
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USB_PID = 0x804E
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USB_PRODUCT = "snekboard"
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USB_MANUFACTURER = "keithp.com"
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CHIP_VARIANT = SAMD21G18A
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CHIP_FAMILY = samd21
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SPI_FLASH_FILESYSTEM = 1
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EXTERNAL_FLASH_DEVICE_COUNT = 1
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EXTERNAL_FLASH_DEVICES = "W25Q16JV_IQ"
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LONGINT_IMPL = MPZ
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CFLAGS_INLINE_LIMIT = 60
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SUPEROPT_GC = 0

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

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#include "shared-bindings/board/__init__.h"
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STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PB08) },
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{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PB08) },
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{ MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_PB09) },
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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_PB09) },
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{ MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_PA06) },
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{ MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_PA08) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA08) },
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{ MP_ROM_QSTR(MP_QSTR_A6), MP_ROM_PTR(&pin_PA09) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA09) },
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{ MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_PA10) },
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{ MP_ROM_QSTR(MP_QSTR_A8), MP_ROM_PTR(&pin_PA11) },
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{ MP_ROM_QSTR(MP_QSTR_POWER1), MP_ROM_PTR(&pin_PA12) },
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{ MP_ROM_QSTR(MP_QSTR_DIR1), MP_ROM_PTR(&pin_PA16) },
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{ MP_ROM_QSTR(MP_QSTR_POWER2), MP_ROM_PTR(&pin_PA13) },
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{ MP_ROM_QSTR(MP_QSTR_DIR2), MP_ROM_PTR(&pin_PA17) },
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{ MP_ROM_QSTR(MP_QSTR_POWER3), MP_ROM_PTR(&pin_PA18) },
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{ MP_ROM_QSTR(MP_QSTR_DIR3), MP_ROM_PTR(&pin_PA20) },
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{ MP_ROM_QSTR(MP_QSTR_POWER4), MP_ROM_PTR(&pin_PA19) },
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{ MP_ROM_QSTR(MP_QSTR_DIR4), MP_ROM_PTR(&pin_PA21) },
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{ MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_PB11) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

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