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Support for Particle Tachyon
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‎src/adafruit_blinka/board/particle/__init__.py‎

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# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
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#
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# SPDX-License-Identifier: MIT
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"""Board definitions from Particle"""

‎src/adafruit_blinka/board/particle/tachyon.py‎

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# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
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#
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# SPDX-License-Identifier: MIT
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"""Pin definitions for the Tachyon."""
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from adafruit_blinka.microcontroller.quectel.qcm6490 import pin
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for it in pin.i2cPorts:
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globals()["SCL" + str(it[0])] = it[1]
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globals()["SDA" + str(it[0])] = it[2]
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SCL = pin.i2cPorts[0][1]
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SDA = pin.i2cPorts[0][2]
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D0 = pin.GPIO_36
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D1 = pin.GPIO_37
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D2 = pin.GPIO_8
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D3 = pin.GPIO_9
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D4 = pin.GPIO_61
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D5 = pin.GPIO_18
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D6 = pin.GPIO_19
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D7 = pin.GPIO_62
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D8 = pin.GPIO_59
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D9 = pin.GPIO_56
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D10 = pin.GPIO_57
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D11 = pin.GPIO_58
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D12 = pin.GPIO_158
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D13 = pin.GPIO_6
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D14 = pin.GPIO_50
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D15 = pin.GPIO_51
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D16 = pin.GPIO_48
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D17 = pin.GPIO_49
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D18 = pin.GPIO_144
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D19 = pin.GPIO_145
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D20 = pin.GPIO_146
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D21 = pin.GPIO_147
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D22 = pin.GPIO_34
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D23 = pin.GPIO_165
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D24 = pin.GPIO_166
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D25 = pin.GPIO_24
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D26 = pin.GPIO_106
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D27 = pin.GPIO_33
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CS = D8
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MISO = D9
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MOSI = D10
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SCLK = D11
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SCK = SCLK
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UART_TX = D14
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UART_RX = D15
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PWM1 = D13

‎src/adafruit_blinka/microcontroller/quectel/__init__.py‎

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# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
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#
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# SPDX-License-Identifier: MIT
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"""Definition of all Quectel chips"""

‎src/adafruit_blinka/microcontroller/quectel/qcm6490/__init__.py‎

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# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
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#
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# SPDX-License-Identifier: MIT
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"""Definition for the Quectel QCM6490 chip"""

‎src/adafruit_blinka/microcontroller/quectel/qcm6490/pin.py‎

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# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
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#
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# SPDX-License-Identifier: MIT
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"""Quectel QCM6490 pin names"""
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# from adafruit_blinka.microcontroller.generic_linux.sysfs_pin import Pin
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# from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
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from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin as GenericLinuxPin
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import os
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# Release (unexport) all pins on init and set to INPUT mode
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class Pin(GenericLinuxPin):
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def __init__(self, pin_id):
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self._release_sysfs_gpio(pin_id)
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super().__init__(pin_id)
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def _release_sysfs_gpio(self, pin_id, base_offset=336):
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# pin_id might be a tuple like (chip_id, line_number)
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if isinstance(pin_id, tuple):
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_, line_number = pin_id
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else:
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line_number = pin_id
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gpio_num = base_offset + int(line_number)
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gpio_path = f"/sys/class/gpio/gpio{gpio_num}"
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try:
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if not os.path.exists(gpio_path):
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with open("/sys/class/gpio/export", "w") as f:
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f.write(f"{gpio_num}")
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with open(f"{gpio_path}/direction", "w") as f:
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f.write("in")
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with open("/sys/class/gpio/unexport", "w") as f:
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f.write(f"{gpio_num}")
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except Exception:
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# fail silently if not allowed
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pass
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# Use with sysfs_pin
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# GPIO_BASE = 336
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# Use with libgpiod_pin
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GPIO_BASE = 0
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GPIO_6 = Pin(GPIO_BASE + 6)
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UART01_TXD = GPIO_6
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PWM1 = GPIO_6
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GPIO_8 = Pin(GPIO_BASE + 8)
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I2C02_SDA = GPIO_8
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SDA = GPIO_8
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GPIO_9 = Pin(GPIO_BASE + 9)
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I2C02_SCL = GPIO_9
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SCL = GPIO_9
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GPIO_18 = Pin(GPIO_BASE + 18)
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UART04_TXD = GPIO_18
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SPI04_CLK = GPIO_18
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GPIO_19 = Pin(GPIO_BASE + 19)
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UART04_RXD = GPIO_19
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SPI04_CS0 = GPIO_19
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GPIO_24 = Pin(GPIO_BASE + 24)
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GPIO_33 = Pin(GPIO_BASE + 33)
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UART10_RTS = GPIO_33
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SPI10_MOSI = GPIO_33
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I2C10_SCL = GPIO_33
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GPIO_34 = Pin(GPIO_BASE + 34)
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UART10_TXD = GPIO_34
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SPI10_CLK = GPIO_34
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GPIO_36 = Pin(GPIO_BASE + 36)
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UART11_CTS = GPIO_36
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SPI11_MISO = GPIO_36
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I2C11_SDA = GPIO_36
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EEPROM_SDA = GPIO_36
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GPIO_37 = Pin(GPIO_BASE + 37)
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UART11_RTS = GPIO_37
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SPI11_MOSI = GPIO_37
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I2C11_SCL = GPIO_37
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GPIO_48 = Pin(GPIO_BASE + 48)
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UART14_CTS = GPIO_48
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I2C14_SDA = GPIO_48
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SPI14_MISO = GPIO_48
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CTS = GPIO_48
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GPIO_49 = Pin(GPIO_BASE + 49)
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UART14_RTS = GPIO_49
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I2C14_SCL = GPIO_49
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SPI14_MOSI = GPIO_49
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RTS = GPIO_49
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GPIO_50 = Pin(GPIO_BASE + 50)
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UART14_TXD = GPIO_50
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SPI14_CLK = GPIO_50
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SPI16_CS3 = GPIO_50
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TX = GPIO_50
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GPIO_51 = Pin(GPIO_BASE + 51)
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UART14_RXD = GPIO_51
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SPI14_CS0 = GPIO_51
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RX = GPIO_51
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GPIO_56 = Pin(GPIO_BASE + 56)
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MISO = GPIO_56
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GPIO_57 = Pin(GPIO_BASE + 57)
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SPI16_MOSI = GPIO_57
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I2C16_SCL = GPIO_57
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UART16_RTS = GPIO_57
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SPI16_MISO = GPIO_57
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I2C16_SDA = GPIO_57
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UART16_CTS = GPIO_57
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MOSI = GPIO_57
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GPIO_58 = Pin(GPIO_BASE + 58)
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SPI16_CLK = GPIO_58
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UART16_TXD = GPIO_58
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SCK = GPIO_58
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GPIO_59 = Pin(GPIO_BASE + 59)
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SPI16_CS0 = GPIO_59
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UART16_RXD = GPIO_59
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GPIO_61 = Pin((0, GPIO_BASE + 61))
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GPIO_62 = Pin(GPIO_BASE + 62)
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SPI16_CS1 = GPIO_62
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GPIO_106 = Pin(GPIO_BASE + 106)
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UART13_TXD = GPIO_106
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SPI13_CLK = GPIO_106
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GPIO_144 = Pin(GPIO_BASE + 144)
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PRI_MI2S_MCLK = GPIO_144
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GPIO_145 = Pin(GPIO_BASE + 145)
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MI2S0_WS = GPIO_145
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MISO1 = GPIO_145
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GPIO_146 = Pin(GPIO_BASE + 146)
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MI2S0_DATA0 = GPIO_146
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GPIO_147 = Pin(GPIO_BASE + 147)
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MI2S0_DATA1 = GPIO_147
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GPIO_158 = Pin(GPIO_BASE + 158)
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GPIO_165 = Pin(GPIO_BASE + 165)
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GPIO_166 = Pin(GPIO_BASE + 166)
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# ordered as i2cId, i2cSclId, i2cSdaId
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i2cPorts = ((1, I2C02_SCL, I2C02_SDA),)
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# ordered as spiId, sckId, mosiId, misoId
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spiPorts = ((16, SPI16_CLK, SPI16_MOSI, SPI16_MISO),)
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# ordered as uartId, txId, rxId
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uartPorts = ((14, UART14_TXD, UART14_RXD),)
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# ordered as pwmChipId, pwmChannelId, pwmId
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pwmOuts = (((0, 0), PWM1),)

‎src/board.py‎

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elif board_id == ap_board.RDK_X3:
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from adafruit_blinka.board.horizon.rdkx3 import *
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elif board_id == ap_board.PARTICLE_TACHYON:
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from adafruit_blinka.board.particle.tachyon import *
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elif "sphinx" in sys.modules:
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pass
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‎src/digitalio.py‎

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from adafruit_blinka.microcontroller.rockchip.rv1103.pin import Pin
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elif detector.chip.RV1106:
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from adafruit_blinka.microcontroller.rockchip.rv1106.pin import Pin
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elif detector.chip.QCM6490:
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from adafruit_blinka.microcontroller.quectel.qcm6490.pin import Pin
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elif detector.chip.OS_AGNOSTIC:
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from adafruit_blinka.microcontroller.generic_agnostic_board.pin import Pin
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‎src/microcontroller/__init__.py‎

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from adafruit_blinka.microcontroller.renesas.rzv2h import *
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elif chip_id == ap_chip.SUNRISE_X3:
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from adafruit_blinka.microcontroller.horizon.sunrise_x3 import *
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elif chip_id == ap_chip.QCM6490:
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from adafruit_blinka.microcontroller.quectel.qcm6490 import *
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elif chip_id == ap_chip.GENERIC_X86:
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print("WARNING: GENERIC_X86 is not fully supported. Some features may not work.")
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elif chip_id == ap_chip.OS_AGNOSTIC:

‎src/microcontroller/pin.py‎

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from adafruit_blinka.microcontroller.rockchip.rv1106.pin import *
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elif chip_id == ap_chip.SUNRISE_X3:
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from adafruit_blinka.microcontroller.horizon.sunrise_x3.pin import *
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elif chip_id == ap_chip.QCM6490:
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from adafruit_blinka.microcontroller.quectel.qcm6490.pin import *
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elif "sphinx" in sys.modules:
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# pylint: disable=unused-import
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from adafruit_blinka.microcontroller.generic_micropython import Pin

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