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trellis m4 variant
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‎ports/atmel-samd/boards/trellis_m4_express/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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#include "mpconfigboard.h"
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#include "hal/include/hal_gpio.h"
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void board_init(void) {
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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/trellis_m4_express/mpconfigboard.h

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#define MICROPY_HW_BOARD_NAME "Adafruit Trellis M4 Express"
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#define MICROPY_HW_MCU_NAME "samd51g19"
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#define CIRCUITPY_MCU_FAMILY samd51
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// This is for Rev A
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#define MICROPY_HW_APA102_MOSI (&pin_PA01)
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#define MICROPY_HW_APA102_SCK (&pin_PA00)
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#define CIRCUITPY_BITBANG_APA102
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// These are pins not to reset.
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// QSPI Data pins & DotStar pins
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#define MICROPY_PORT_A (PORT_PA00 | PORT_PA01 | PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11)
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// QSPI CS, and QSPI SCK
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#define MICROPY_PORT_B (PORT_PB10 | PORT_PB11)
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#define MICROPY_PORT_C (0)
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#define MICROPY_PORT_D (0)
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#define AUTORESET_DELAY_MS 500
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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 8192
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#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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#include "external_flash/devices.h"
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#define EXTERNAL_FLASH_DEVICE_COUNT 1
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#define EXTERNAL_FLASH_DEVICES GD25Q64C
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#include "external_flash/external_flash.h"
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#define DEFAULT_I2C_BUS_SCL (&pin_PA13)
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#define DEFAULT_I2C_BUS_SDA (&pin_PA12)
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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/trellis_m4_express/mpconfigboard.mk

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LD_FILE = boards/samd51x19-bootloader-external-flash.ld
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USB_VID = 0x239A
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USB_PID = 0x8030
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USB_PRODUCT = "Trellis M4 Express"
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USB_MANUFACTURER = "Adafruit Industries LLC"
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QSPI_FLASH_FILESYSTEM = 1
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LONGINT_IMPL = MPZ
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CHIP_VARIANT = SAMD51G19A
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CHIP_FAMILY = samd51

‎ports/atmel-samd/boards/trellis_m4_express/pins.c

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#include "shared-bindings/board/__init__.h"
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#include "board_busses.h"
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// This mapping only includes functional names because pins broken
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// out on connectors are labeled with their MCU name available from
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// microcontroller.pin.
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STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_PA02) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PA05) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_PA04) }, // INT pin
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA12) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA13) },
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// Key Grid columns
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL0), MP_ROM_PTR(&pin_PA14) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL1), MP_ROM_PTR(&pin_PA15) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL2), MP_ROM_PTR(&pin_PA16) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL3), MP_ROM_PTR(&pin_PA17) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL4), MP_ROM_PTR(&pin_PA20) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL5), MP_ROM_PTR(&pin_PA21) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL6), MP_ROM_PTR(&pin_PA22) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COL7), MP_ROM_PTR(&pin_PA23) },
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// Key Grid rows
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{ MP_OBJ_NEW_QSTR(MP_QSTR_ROW0), MP_ROM_PTR(&pin_PA18) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_ROW1), MP_ROM_PTR(&pin_PA19) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_ROW2), MP_ROM_PTR(&pin_PB22) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_ROW3), MP_ROM_PTR(&pin_PB23) },
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// IRQ/GPIO pin
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{ MP_OBJ_NEW_QSTR(MP_QSTR_INT), MP_ROM_PTR(&pin_PA04) },
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// Built in LED
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{ MP_OBJ_NEW_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_PA27) },
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// NeoPixels
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{ MP_OBJ_NEW_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_APA102_MOSI), MP_ROM_PTR(&pin_PA01) },
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{ MP_ROM_QSTR(MP_QSTR_APA102_SCK), MP_ROM_PTR(&pin_PA00) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

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