101 строка
1,6 КиБ
Go
101 строка
1,6 КиБ
Go
//go:build sam && atsamd21 && feather_m0_express
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package machine
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// used to reset into bootloader
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const resetMagicValue = 0xf01669ef
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// GPIO Pins
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const (
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D0 = PA11 // UART0 RX
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D1 = PA10 // UART0 TX
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D2 = NoPin // does not seem to exist
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D3 = NoPin // does not seem to exist
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D4 = NoPin // does not seem to exist
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D5 = PA15
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D6 = PA20
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D7 = NoPin // does not seem to exist
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D8 = PA06 // NEOPIXEL
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D9 = PA07
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D10 = PA18
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D11 = PA16
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D12 = PA19
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D13 = PA17
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)
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// Analog pins
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const (
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A0 = PA02 // ADC/AIN[0]
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A1 = PB08 // ADC/AIN[2]
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A2 = PB09 // ADC/AIN[3]
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A3 = PA04 // ADC/AIN[4]
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A4 = PA05 // ADC/AIN[5]
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A5 = PB02 // ADC/AIN[10]
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)
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const (
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LED = D13
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NEOPIXEL = D8
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)
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// USBCDC pins
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const (
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USBCDC_DM_PIN = PA24
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USBCDC_DP_PIN = PA25
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)
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// UART1 pins
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const (
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UART_TX_PIN = D1
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UART_RX_PIN = D0
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UART1_TX_PIN = D10
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UART1_RX_PIN = D12
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)
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// UART0 on the Feather M0 Express.
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var UART0 = &sercomUSART0
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var UART1 = &sercomUSART1
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// I2C pins
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const (
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SDA_PIN = PA22 // SDA: SERCOM3/PAD[0]
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SCL_PIN = PA23 // SCL: SERCOM3/PAD[1]
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)
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// I2C on the Feather M0 Express.
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var (
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I2C0 = sercomI2CM3
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)
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// SPI pins
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const (
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SPI0_SCK_PIN = PB11 // SCK: SERCOM4/PAD[3]
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SPI0_SDO_PIN = PB10 // SDO: SERCOM4/PAD[2]
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SPI0_SDI_PIN = PA12 // SDI: SERCOM4/PAD[0]
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)
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// SPI on the Feather M0.
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var SPI0 = sercomSPIM4
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// I2S pins
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const (
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I2S_SCK_PIN = PA10
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I2S_SD_PIN = PA07
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I2S_WS_PIN = NoPin // TODO: figure out what this is on Feather M0 Express.
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)
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// USB CDC identifiers
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const (
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usb_STRING_PRODUCT = "Adafruit Feather M0 Express"
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usb_STRING_MANUFACTURER = "Adafruit"
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)
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var (
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usb_VID uint16 = 0x239A
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usb_PID uint16 = 0x801B
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)
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var (
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DefaultUART = UART0
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)
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