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Merge pull request #2218 from CedarGroveStudios/master
Definitions for StringCar M0 Express and AT25SF161-SSHD-T 2MiB SPI flash chip
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‎.github/workflows/build.yml

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- "spresense"
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- "stm32f411ve_discovery"
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- "stm32f412zg_discovery"
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- "stringcar_m0_express"
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- "trellis_m4_express"
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- "trinket_m0"
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- "trinket_m0_haxpress"

‎ports/atmel-samd/boards/stringcar_m0_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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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/stringcar_m0_express/mpconfigboard.h

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#define MICROPY_HW_BOARD_NAME "Cedar Grove StringCar M0 Express"
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#define MICROPY_HW_MCU_NAME "samd21e18"
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#define MICROPY_HW_LED_STATUS (&pin_PA10)
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#define MICROPY_HW_APA102_MOSI (&pin_PA00)
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#define MICROPY_HW_APA102_SCK (&pin_PA01)
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#define SPI_FLASH_MOSI_PIN &pin_PA16
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#define SPI_FLASH_MISO_PIN &pin_PA19
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#define SPI_FLASH_SCK_PIN &pin_PA17
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#define SPI_FLASH_CS_PIN &pin_PA11
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// These are pins not to reset.
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#define MICROPY_PORT_A (PORT_PA00 | PORT_PA01)
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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 DEFAULT_I2C_BUS_SCL (&pin_PA05)
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#define DEFAULT_I2C_BUS_SDA (&pin_PA04)
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// #define DEFAULT_SPI_BUS_SCK (&pin_PB11)
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// #define DEFAULT_SPI_BUS_MOSI (&pin_PB10)
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// #define DEFAULT_SPI_BUS_MISO (&pin_PA12)
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// #define DEFAULT_UART_BUS_RX (&pin_PA11)
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// #define DEFAULT_UART_BUS_TX (&pin_PA10)
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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
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// Not connected
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#define IGNORE_PIN_PA03 1
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#define IGNORE_PIN_PA14 1
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#define IGNORE_PIN_PA15 1
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#define IGNORE_PIN_PA18 1
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#define IGNORE_PIN_PA22 1
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#define IGNORE_PIN_PA23 1
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#define IGNORE_PIN_PA27 1
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#define IGNORE_PIN_PA28 1
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#define IGNORE_PIN_PA30 1
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#define IGNORE_PIN_PA31 1
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‎ports/atmel-samd/boards/stringcar_m0_express/mpconfigboard.mk

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LD_FILE = boards/samd21x18-bootloader-external-flash-crystalless.ld
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USB_VID = 0x239A
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USB_PID = 0x8060
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USB_PRODUCT = "StringCar M0 Express"
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USB_MANUFACTURER = "Cedar Grove Studios"
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CHIP_VARIANT = SAMD21E18A
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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 = AT25SF161
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LONGINT_IMPL = MPZ
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CIRCUITPY_BITBANG_APA102 = 1
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CIRCUITPY_BITBANGIO = 0
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CIRCUITPY_GAMEPAD = 0
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CIRCUITPY_I2CSLAVE = 0
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CIRCUITPY_RTC = 0
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CFLAGS_INLINE_LIMIT = 60
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SUPEROPT_GC = 0
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‎ports/atmel-samd/boards/stringcar_m0_express/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_PIEZO), MP_ROM_PTR(&pin_PA08) },
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{ MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_PA02) },
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{ MP_ROM_QSTR(MP_QSTR_SENSOR_IN), MP_ROM_PTR(&pin_PA09) },
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{ MP_ROM_QSTR(MP_QSTR_MOTOR_OUT_1), MP_ROM_PTR(&pin_PA06) },
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{ MP_ROM_QSTR(MP_QSTR_MOTOR_OUT_2), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_LED_STATUS), MP_ROM_PTR(&pin_PA10) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA05) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA04) },
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{ MP_ROM_QSTR(MP_QSTR_DOTSTAR_DI), MP_ROM_PTR(&pin_PA00) },
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{ MP_ROM_QSTR(MP_QSTR_DOTSTAR_CI), MP_ROM_PTR(&pin_PA01) },
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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);

‎supervisor/shared/external_flash/devices.h

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.single_status_byte = false, \
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}
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// Settings for the Adesto Tech AT25SF161-SSHD-T 2MiB SPI flash
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// for the StringCar M0 (SAMD21) Express board.
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// Source: https://www.digikey.com/product-detail/en/adesto-technologies/AT25SF161-SDHD-T/1265-1230-1-ND/
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// Datasheet: https://www.adestotech.com/wpo-content/uploads/jDS-AT25SF161_046.pdf
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#define AT25SF161 {\
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.total_size = (1 << 21), /* 2 MiB */ \
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.start_up_time_us = 10000, \
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.manufacturer_id = 0x1f, \
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.memory_type = 0x86, \
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.capacity = 0x01, \
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.max_clock_speed_mhz = 85, \
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.quad_enable_bit_mask = 0x00, \
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.has_sector_protection = true, \
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.supports_fast_read = true, \
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.supports_qspi = false, \
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.supports_qspi_writes = false, \
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.write_status_register_split = false, \
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.single_status_byte = false, \
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}
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// Settings for the Gigadevice GD25Q16C 2MiB SPI flash.
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// Datasheet: http://www.gigadevice.com/datasheet/gd25q16c/
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#define GD25Q16C {\
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.write_status_register_split = false, \
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.single_status_byte = true, \
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}
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#endif // MICROPY_INCLUDED_ATMEL_SAMD_EXTERNAL_FLASH_DEVICES_H

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