diff options
-rw-r--r-- | README.md | 3 | ||||
-rw-r--r-- | src/machine/board_feather-nrf52840.go | 105 | ||||
-rw-r--r-- | targets/feather-nrf52840.json | 10 |
3 files changed, 117 insertions, 1 deletions
@@ -43,13 +43,14 @@ See the [getting started instructions](https://tinygo.org/getting-started/) for You can compile TinyGo programs for microcontrollers, WebAssembly and Linux. -The following 37 microcontroller boards are currently supported: +The following 38 microcontroller boards are currently supported: * [Adafruit Circuit Playground Bluefruit](https://www.adafruit.com/product/4333) * [Adafruit Circuit Playground Express](https://www.adafruit.com/product/3333) * [Adafruit CLUE Alpha](https://www.adafruit.com/product/4500) * [Adafruit Feather M0](https://www.adafruit.com/product/2772) * [Adafruit Feather M4](https://www.adafruit.com/product/3857) +* [Adafruit Feather nRF52840 Express](https://www.adafruit.com/product/4062) * [Adafruit ItsyBitsy M0](https://www.adafruit.com/product/3727) * [Adafruit ItsyBitsy M4](https://www.adafruit.com/product/3800) * [Adafruit Metro M4 Express Airlift](https://www.adafruit.com/product/4000) diff --git a/src/machine/board_feather-nrf52840.go b/src/machine/board_feather-nrf52840.go new file mode 100644 index 000000000..330042e7d --- /dev/null +++ b/src/machine/board_feather-nrf52840.go @@ -0,0 +1,105 @@ +// +build feather_nrf52840 + +package machine + +const HasLowFrequencyCrystal = true + +// GPIO Pins +const ( + D0 = P0_25 // UART TX + D1 = P0_24 // UART RX + D2 = P0_10 // NFC2 + D3 = P1_15 // LED1 + D4 = P1_10 // LED2 + D5 = P1_08 + D6 = P0_07 + D7 = P1_02 // Button + D8 = P0_16 // NeoPixel + D9 = P0_26 + D10 = P0_27 + D11 = P0_06 + D12 = P0_08 + D13 = P1_09 + D14 = P0_04 // A0 + D15 = P0_05 // A1 + D16 = P0_30 // A2 + D17 = P0_28 // A3 + D18 = P0_02 // A4 + D19 = P0_03 // A5 + D20 = P0_29 // Battery + D21 = P0_31 // AREF + D22 = P0_12 // I2C SDA + D23 = P0_11 // I2C SCL + D24 = P0_15 // SPI MISO + D25 = P0_13 // SPI MOSI + D26 = P0_14 // SPI SCK + D27 = P0_19 // QSPI CLK + D28 = P0_20 // QSPI CS + D29 = P0_17 // QSPI Data 0 + D30 = P0_22 // QSPI Data 1 + D31 = P0_23 // QSPI Data 2 + D32 = P0_21 // QSPI Data 3 + D33 = P0_09 // NFC1 (test point on bottom of board) +) + +// Analog Pins +const ( + A0 = D14 + A1 = D15 + A2 = D16 + A3 = D17 + A4 = D18 + A5 = D19 + A6 = D20 // Battery + A7 = D21 // ARef +) + +const ( + LED = D3 + LED1 = LED + LED2 = D4 + NEOPIXEL = D8 + BUTTON = D7 + + QSPI_SCK = D27 + QSPI_CS = D28 + QSPI_DATA0 = D29 + QSPI_DATA1 = D30 + QSPI_DATA2 = D31 + QSPI_DATA3 = D32 +) + +// UART0 pins (logical UART1) +const ( + UART_RX_PIN = D0 + UART_TX_PIN = D1 +) + +// UART0 is the USB device +var ( + UART0 = USB +) + +// I2C pins +const ( + SDA_PIN = D22 // I2C0 external + SCL_PIN = D23 // I2C0 external +) + +// SPI pins +const ( + SPI0_SCK_PIN = D26 // SCK + SPI0_MOSI_PIN = D25 // MOSI + SPI0_MISO_PIN = D24 // MISO +) + +// USB CDC identifiers +const ( + usb_STRING_PRODUCT = "Adafruit Feather nRF52840 Express" + usb_STRING_MANUFACTURER = "Adafruit" +) + +var ( + usb_VID uint16 = 0x239A + usb_PID uint16 = 0x0029 +) diff --git a/targets/feather-nrf52840.json b/targets/feather-nrf52840.json new file mode 100644 index 000000000..397f6e35a --- /dev/null +++ b/targets/feather-nrf52840.json @@ -0,0 +1,10 @@ +{ + "inherits": ["nrf52840"], + "build-tags": ["feather_nrf52840","nrf52840_reset_uf2"], + "flash-1200-bps-reset": "true", + "flash-method": "msd", + "msd-volume-name": "FTHR840BOOT", + "msd-firmware-name": "firmware.uf2", + "uf2-family-id": "0xADA52840", + "linkerscript": "targets/circuitplay-bluefruit.ld" +} |