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41 changes: 41 additions & 0 deletions ports/nrf/boards/Seeed_XIAO_nRF52840_Sense/board.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
/*
* 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 "supervisor/board.h"

void board_init(void) {
}

bool board_requests_safe_mode(void) {
return false;
}

void reset_board(void) {

}

void board_deinit(void) {
}
54 changes: 54 additions & 0 deletions ports/nrf/boards/Seeed_XIAO_nRF52840_Sense/mpconfigboard.h
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/*
* 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.
*/

#include "nrfx/hal/nrf_gpio.h"

#define MICROPY_HW_BOARD_NAME "Seeed XIAO nRF52840 Sense"
#define MICROPY_HW_MCU_NAME "nRF52840"

#define MICROPY_HW_LED_STATUS (&pin_P0_26)

#if QSPI_FLASH_FILESYSTEM
#define MICROPY_QSPI_DATA0 NRF_GPIO_PIN_MAP(0, 20)
#define MICROPY_QSPI_DATA1 NRF_GPIO_PIN_MAP(0, 24)
#define MICROPY_QSPI_DATA2 NRF_GPIO_PIN_MAP(0, 22)
#define MICROPY_QSPI_DATA3 NRF_GPIO_PIN_MAP(0, 23)
#define MICROPY_QSPI_SCK NRF_GPIO_PIN_MAP(0, 21)
#define MICROPY_QSPI_CS NRF_GPIO_PIN_MAP(0, 25)
#endif

#define BOARD_HAS_CRYSTAL 1

#define DEFAULT_I2C_BUS_SCL (&pin_P0_05)
#define DEFAULT_I2C_BUS_SDA (&pin_P0_04)

#define DEFAULT_SPI_BUS_SCK (&pin_P1_13)
#define DEFAULT_SPI_BUS_MOSI (&pin_P1_15)
#define DEFAULT_SPI_BUS_MISO (&pin_P1_14)

#define DEFAULT_UART_BUS_RX (&pin_P1_12)
#define DEFAULT_UART_BUS_TX (&pin_P1_11)
9 changes: 9 additions & 0 deletions ports/nrf/boards/Seeed_XIAO_nRF52840_Sense/mpconfigboard.mk
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USB_VID = 0x2886
USB_PID = 0x0045
USB_PRODUCT = "Seeed XIAO nRF52840 Sense"
USB_MANUFACTURER = "Seeed"

MCU_CHIP = nrf52840

QSPI_FLASH_FILESYSTEM = 1
EXTERNAL_FLASH_DEVICES = "P25Q16H"
59 changes: 59 additions & 0 deletions ports/nrf/boards/Seeed_XIAO_nRF52840_Sense/pins.c
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#include "shared-bindings/board/__init__.h"

STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_P0_02) },
{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_P0_03) },
{ MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_P0_28) },
{ MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_P0_29) },
{ MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_P0_04) },
{ MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_P0_05) },

{ MP_ROM_QSTR(MP_QSTR_NFC1), MP_ROM_PTR(&pin_P0_09) },
{ MP_ROM_QSTR(MP_QSTR_NFC2), MP_ROM_PTR(&pin_P0_10) },

{ MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_P0_02) },
{ MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_P0_03) },
{ MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_P0_28) },
{ MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_P0_29) },
{ MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_P0_04) },
{ MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_P0_05) },
{ MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_P1_11) },
{ MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_P1_12) },
{ MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_P1_13) },
{ MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_P1_14) },
{ MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_P1_15) },

{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_P1_13) },
{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_P1_15) },
{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_P1_14) },

{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_P1_11) },
{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_P1_12) },

{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_P0_05) },
{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_P0_04) },

{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_P0_26) },
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These should probably be named LED_* because they are channels of a single LED and to be consistent with the rp2040 xiao: https://github.com/adafruit/circuitpython/blob/main/ports/raspberrypi/boards/seeeduino_xiao_rp2040/pins.c#L39

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Reviewing the schematic, I do find this LED connection on the nRF52840 but I cannot find the actual LED on the schematic. We will have to see with actual hardware if there is a second LED.

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Hi @jpconstantineau
It is a GRB LED and control by P0.26(red), P0.03(green), P0.06(blue), and the second led just to work on charging mode.

{ MP_ROM_QSTR(MP_QSTR_LED_RED), MP_ROM_PTR(&pin_P0_26) },
{ MP_ROM_QSTR(MP_QSTR_LED_BLUE), MP_ROM_PTR(&pin_P0_06) },
{ MP_ROM_QSTR(MP_QSTR_LED_GREEN), MP_ROM_PTR(&pin_P0_30) },

{ MP_ROM_QSTR(MP_QSTR_IMU_PWR), MP_ROM_PTR(&pin_P1_08) },
{ MP_ROM_QSTR(MP_QSTR_IMU_SCL), MP_ROM_PTR(&pin_P0_27) },
{ MP_ROM_QSTR(MP_QSTR_IMU_SDA), MP_ROM_PTR(&pin_P0_07) },
{ MP_ROM_QSTR(MP_QSTR_IMU_INT1), MP_ROM_PTR(&pin_P0_11) },

{ MP_ROM_QSTR(MP_QSTR_MIC_PWR), MP_ROM_PTR(&pin_P1_10) },
{ MP_ROM_QSTR(MP_QSTR_PDM_CLK), MP_ROM_PTR(&pin_P1_00) },
{ MP_ROM_QSTR(MP_QSTR_PDM_DATA), MP_ROM_PTR(&pin_P0_16) },

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I cannot find the following:
P0_14 READ_BATT_ENABLE
P0_31 VBATT
P0_17 CHARGE_STATUS

These should be added as the functionality is there and users will want to monitor battery charging status as well as battery level.

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yes you right, I will add it

{MP_ROM_QSTR(MP_QSTR_READ_BATT_ENABLE),MP_ROM_PTR(&pin_P0_14)},
{MP_ROM_QSTR(MP_QSTR_VBATT),MP_ROM_PTR(&pin_P0_31)},
{MP_ROM_QSTR(MP_QSTR_CHARGE_STATUS),MP_ROM_PTR(&pin_P0_17)},

{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
};

MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);