Raspberry Pi Pico をSwiftで操作する

iOSDC 2024 day1 trackD 17:25~

Transcript

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    protocol Animal { var name: String { get } } struct Dog: Animal { var name: String { "🐕" } } func sayName(animal: any Animal) { print(animal.name) } let dog = Dog() sayName(animal: dog) /* 28 | let dog = Dog() 29 | say(animal: dog) | `- error: cannot use a value of protocol type 'any Animal' in embedded Swift */
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    -&% @main struct Main { static func main() { // GPIO25 <= PICO_DEFAULT_LED_PIN let led = UInt32(PICO_DEFAULT_LED_PIN) gpio_init(led) gpio_set_dir(led, true) while true { gpio_put(led, true) sleep_ms(1000) gpio_put(led, false) sleep_ms(1000) } } } .BJOTXJGU
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    IUUQTXXXSBTQCFSSZQJDPNEPDVNFOUBUJPONJDSPDPOUSPMMFSTJNBHFTQJDPQJOPVUTWH @main struct Main { static func main() { // GPIO25 <= PICO_DEFAULT_LED_PIN let led = UInt32(PICO_DEFAULT_LED_PIN) gpio_init(led) gpio_set_dir(led, true) while true { gpio_put(led, true) sleep_ms(1000) gpio_put(led, false) sleep_ms(1000) } } } .BJOTXJGU ϞσϦϯά͢Δ
26. struct PicoDevice { var defaultLED: LED var redLed: LED? var blueLed: LED? var greenLed: LED? var allOn: Bool = false { didSet { defaultLED.isOn = allOn redLed?.isOn = allOn blueLed?.isOn = allOn greenLed?.isOn = allOn } } } struct LED { private let pin: UInt32 init(pin: UInt32) { self.pin = pin gpio_init(pin) gpio_set_dir(pin, true) } var isOn: Bool = false { didSet { gpio_put(pin, isOn) } } }
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    IUUQTXXXSBTQCFSSZQJDPNEPDVNFOUBUJPONJDSPDPOUSPMMFSTJNBHFTQJDPQJOPVUTWH static func main() { var device = PicoDevice( defaultLED: LED( pin: UInt32(PICO_DEFAULT_LED_PIN) ), redLed: LED(pin: UInt32(28)), blueLed: LED(pin: UInt32(16)), greenLed: LED(pin: UInt32(18)) ) while true { device.allOn.toggle() sleep_ms(1000) } }
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