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Butterfly Receiver P1
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‎.github/workflows/workflow.yml‎

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{boardname: "xiao_ble/nrf52840", fileformat: "uf2", filename: "SlimeNRF_XIAO_Receiver"},
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{boardname: "etee_dongle_uf2/nrf52840", fileformat: "uf2", filename: "SlimeNRF_etee_Receiver"},
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{boardname: "nrf52840dk/nrf52840", fileformat: "hex", filename: "SlimeNRF_nRF52840dk_Receiver"},
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{boardname: "butterfly_p1_uf2/nrf52833", fileformat: "uf2", filename: "SlimeNRF_Butterfly_P1_Receiver"},
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]
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if: always()
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runs-on: ubuntu-latest

‎boards/slimevr/butterfly_p1/Kconfig.butterfly_p1_uf2‎

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# Copyright (c) 2024 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_BUTTERFLY_P1_UF2
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select SOC_NRF52833_QIAA

‎boards/slimevr/butterfly_p1/board.cmake‎

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# Copyright (c) 2024 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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board_runner_args(jlink "--device=nRF52833_xxAA" "--speed=4000")
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board_runner_args(pyocd "--target=nrf52833" "--frequency=4000000")
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include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)

‎boards/slimevr/butterfly_p1/board.yml‎

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# Copyright (c) 2024 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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board:
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name: butterfly_p1_uf2
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vendor: slimevr
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socs:
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- name: nrf52833
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‎boards/slimevr/butterfly_p1/butterfly_p1_uf2.dts‎

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// Copyright (c) 2024 Nordic Semiconductor ASA
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// SPDX-License-Identifier: Apache-2.0
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/dts-v1/;
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#include <nordic/nrf52833_qiaa.dtsi>
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//move to dtsi?
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&pinctrl {
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pwm0_default: pwm0_default {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 0, 3)>;
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nordic,drive-mode = <NRF_DRIVE_D0S1>;
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};
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};
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pwm0_sleep: pwm0_sleep {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 0, 3)>;
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low-power-enable;
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};
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};
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};
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//end
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/ {
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model = "butterfly_p1_uf2";
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compatible = "butterfly_p1_uf2";
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aliases {
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sw0 = &button0;
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pwm-led0 = &pwm_led0;
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};
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buttons {
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compatible = "gpio-keys";
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button0: button_0 {
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gpios = <&gpio0 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
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label = "Push button switch 0";
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};
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};
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chosen {
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,console = &cdc_acm_uart0;
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zephyr,shell-uart = &cdc_acm_uart0;
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};
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nrf_radio_fem: nrf21540_fem {
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compatible = "nordic,nrf21540-fem";
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supply-voltage-mv = <3000>;
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pdn-gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
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mode-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
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rx-en-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
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tx-en-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
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// TRX (Transmit/Receive Select)
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// trx-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
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};
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pwmleds {
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compatible = "pwm-leds";
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pwm_led0: pwm_led_0 {
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pwms = <&pwm0 0 PWM_MSEC(1) PWM_POLARITY_NORMAL>;
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};
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};
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zephyr,user {
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led-gpios = <&gpio0 3 GPIO_OPEN_SOURCE>;
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};
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};
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&reg1 {
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regulator-initial-mode = <NRF5X_REG_MODE_DCDC>;
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};
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&gpiote {
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status = "okay";
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};
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&gpio0 {
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status = "okay";
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};
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&gpio1 {
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status = "okay";
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};
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&pwm0 {
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status = "okay";
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pinctrl-0 = <&pwm0_default>;
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pinctrl-1 = <&pwm0_sleep>;
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pinctrl-names = "default", "sleep";
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};
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zephyr_udc0: &usbd {
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compatible = "nordic,nrf-usbd";
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status = "okay";
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cdc_acm_uart0: cdc_acm_uart0 {
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compatible = "zephyr,cdc-acm-uart";
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};
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};
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&nfct {
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status = "disabled";
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};
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&radio {
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fem = <&nrf_radio_fem>;
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};

‎boards/slimevr/butterfly_p1/butterfly_p1_uf2.yaml‎

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# Copyright (c) 2024 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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identifier: butterfly_p1_uf2
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name: butterfly_p1_uf2
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vendor: slimevr
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type: mcu
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arch: arm
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ram: 128
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flash: 512
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toolchain:
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- zephyr
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- gnuarmemb
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- xtools

‎boards/slimevr/butterfly_p1/butterfly_p1_uf2_defconfig‎

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# Copyright (c) 2024 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_ARM_MPU=y
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CONFIG_HW_STACK_PROTECTION=y
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CONFIG_USB_DEVICE_STACK=y
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CONFIG_USB_DEVICE_MANUFACTURER="SlimeVR"
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CONFIG_USB_DEVICE_PRODUCT="SlimeVR Butterfly Receiver P1"
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#generate for adafruit uf2 bootloader flashing
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CONFIG_BUILD_OUTPUT_UF2=y
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CONFIG_FLASH_LOAD_OFFSET=0x1000

‎pm_static_butterfly_p1_uf2_nrf52833.yml‎

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bootloader:
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address: 0x0
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end_address: 0x1000
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region: flash_primary
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size: 0x1000
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uf2_bootloader:
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address: 0x74000
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end_address: 0x80000
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region: flash_primary
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size: 0xc000

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