96 строки
1,7 КиБ
Go
96 строки
1,7 КиБ
Go
//go:build sam && atsamd21 && gemma_m0
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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 = PA04 // SERCOM0/PAD[0]
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D1 = PA02
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D2 = PA05 // SERCOM0/PAD[1]
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D3 = PA00 // DotStar LED: SERCOM1/PAD[0]: APA102/MOSI
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D4 = PA01 // DotStar LED: SERCOM1/PAD[1]: APA102/SCK
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D11 = PA30 // Flash Access: SERCOM1/PAD[2]
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D12 = PA31 // Flash Access: SERCOM1/PAD[3]
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D13 = PA23 // LED: SERCOM3/PAD[1] SERCOM5/PAD[1]
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)
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// Analog pins.
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const (
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A0 = D1
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A1 = D2
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A2 = D0
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)
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const (
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LED = PA23
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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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// UART0 pins.
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const (
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UART_TX_PIN = PA04 // TX: SERCOM0/PAD[0]
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UART_RX_PIN = PA05 // RX: SERCOM0/PAD[1]
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)
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// UART0s on the Gemma M0.
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var UART0 = &sercomUSART0
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// SPI pins.
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const (
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SPI0_SCK_PIN = PA05 // SCK: SERCOM0/PAD[1]
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SPI0_SDO_PIN = PA04 // MOSI: SERCOM0/PAD[0]
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SPI0_SDI_PIN = NoPin
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SPI0_CS_PIN = NoPin
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)
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// SPI on the Gemma M0.
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var SPI0 = sercomSPIM0
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// SPI pins for DotStar LED (using APA102 software SPI) and Flash.
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const (
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SPI1_SCK_PIN = PA01 // SCK: SERCOM1/PAD[0]
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SPI1_SDO_PIN = PA00 // MOSI: SERCOM1/PAD[1]
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SPI1_SDI_PIN = PA31 // MISO: SERCOM1/PAD[3]
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SPI1_CS_PIN = PA30 // CS: SERCOM1/PAD[2]
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)
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// I2C pins.
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const (
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SDA_PIN = PA04 // SDA: SERCOM0/PAD[0]
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SCL_PIN = PA05 // SCL: SERCOM0/PAD[1]
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)
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// I2C on the Gemma M0.
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var (
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I2C0 = sercomI2CM0
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)
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// I2S (not connected, needed for atsamd21).
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const (
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I2S_SCK_PIN = NoPin
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I2S_SD_PIN = NoPin
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I2S_WS_PIN = NoPin
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)
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// USB CDC identifiers.
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const (
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usb_STRING_PRODUCT = "Adafruit Gemma M0"
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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 = 0x801E
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)
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var (
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DefaultUART = UART0
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)
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