swaitsandClaude Opus 4.6
c37b63fa18
Board naming now follows MeshCore conventions: - rak_4631 → rak_wisblock_4631 (feature, file, Justfile, splash screen) - Display splash shows human-readable names: "RAK WisBlock 4631", "Heltec v3", "Heltec v4" Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
115 lines
4.6 KiB
Rust
115 lines
4.6 KiB
Rust
use embassy_embedded_hal::shared_bus::asynch::spi::SpiDevice;
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use embassy_nrf::gpio::{AnyPin, Input, Level, Output, OutputDrive, Pull};
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use embassy_nrf::peripherals::USBD;
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use embassy_nrf::spim::{self, Spim};
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use embassy_nrf::twim::{self, Twim};
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use embassy_nrf::usb::Driver;
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use embassy_nrf::{bind_interrupts, Peripherals};
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use embassy_sync::blocking_mutex::raw::NoopRawMutex;
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use embassy_time::Delay;
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use static_cell::StaticCell;
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use lora_phy::iv::GenericSx126xInterfaceVariant;
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use lora_phy::sx126x::{self, Sx1262, Sx126x};
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bind_interrupts!(struct Irqs {
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USBD => embassy_nrf::usb::InterruptHandler<USBD>;
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SPIM3 => embassy_nrf::spim::InterruptHandler<embassy_nrf::peripherals::SPI3>;
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SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0 => embassy_nrf::twim::InterruptHandler<embassy_nrf::peripherals::TWISPI0>;
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});
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// ── Concrete peripheral types ────────────────────────────────────────
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type SpiBus = Spim<'static, embassy_nrf::peripherals::SPI3>;
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type Nss = Output<'static>;
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type Iv = GenericSx126xInterfaceVariant<Output<'static>, Input<'static>>;
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type RadioSpiDevice = SpiDevice<'static, NoopRawMutex, SpiBus, Nss>;
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/// SX126x driver (pre-LoRa construction — LoRa::new is async).
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pub type RadioDriver = Sx126x<RadioSpiDevice, Iv, Sx1262>;
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/// USB driver for CDC-ACM.
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pub type UsbDriver = Driver<'static, USBD, &'static embassy_nrf::usb::vbus_detect::SoftwareVbusDetect>;
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/// I2C bus for an optional SSD1306 OLED.
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pub type DisplayI2c = Twim<'static, embassy_nrf::peripherals::TWISPI0>;
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// ── Peripheral bundles ───────────────────────────────────────────────
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pub struct RadioParts {
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pub driver: RadioDriver,
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pub delay: Delay,
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}
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pub struct UsbParts {
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pub driver: UsbDriver,
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}
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pub struct DisplayParts {
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pub i2c: DisplayI2c,
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}
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// ── Board init ───────────────────────────────────────────────────────
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pub struct Board {
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p: Peripherals,
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}
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impl Board {
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pub fn init() -> Self {
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let p = embassy_nrf::init(Default::default());
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Self { p }
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}
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pub fn into_parts(self) -> (RadioParts, UsbParts, Option<DisplayParts>) {
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let p = self.p;
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// ── SPI bus for SX1262 ───────────────────────────────────
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let mut spi_cfg = spim::Config::default();
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spi_cfg.frequency = spim::Frequency::M1;
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let spi = Spim::new(p.SPI3, Irqs, p.P1_11, p.P1_13, p.P1_12, spi_cfg);
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static SPI_BUS: StaticCell<embassy_sync::mutex::Mutex<NoopRawMutex, SpiBus>> =
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StaticCell::new();
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let spi_bus = SPI_BUS.init(embassy_sync::mutex::Mutex::new(spi));
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let nss = Output::new(AnyPin::from(p.P1_10), Level::High, OutputDrive::Standard);
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let spi_device = SpiDevice::new(spi_bus, nss);
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// ── SX1262 control pins ──────────────────────────────────
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let reset = Output::new(AnyPin::from(p.P1_06), Level::High, OutputDrive::Standard);
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let dio1 = Input::new(AnyPin::from(p.P1_15), Pull::Down);
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let busy = Input::new(AnyPin::from(p.P1_14), Pull::Down);
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let iv = GenericSx126xInterfaceVariant::new(reset, dio1, busy, None, None).unwrap();
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let sx_config = sx126x::Config {
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chip: Sx1262,
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tcxo_ctrl: Some(sx126x::TcxoCtrlVoltage::Ctrl1V7),
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use_dcdc: true,
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rx_boost: false,
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};
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let radio = RadioParts {
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driver: Sx126x::new(spi_device, iv, sx_config),
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delay: Delay,
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};
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// ── USB ──────────────────────────────────────────────────
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static VBUS: StaticCell<embassy_nrf::usb::vbus_detect::SoftwareVbusDetect> =
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StaticCell::new();
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let vbus = VBUS.init(embassy_nrf::usb::vbus_detect::SoftwareVbusDetect::new(true, false));
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let usb = UsbParts {
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driver: Driver::new(p.USBD, Irqs, vbus),
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};
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// ── Display (optional RAK1921 SSD1306 OLED on I2C) ──────
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// Always provide the I2C bus; display_task detects presence
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// via SSD1306 init (fails gracefully if no display attached).
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let i2c_cfg = twim::Config::default();
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let i2c = Twim::new(p.TWISPI0, Irqs, p.P0_13, p.P0_14, i2c_cfg);
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let display = Some(DisplayParts { i2c });
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(radio, usb, display)
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}
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}
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