107b1c2906
This is a constant for internal use only, but was (unintentionally?) exported. In addition, it doesn't follow the Go naming convention. This change simply renames the constant so that it is unexported.
110 строки
1,9 КиБ
Go
110 строки
1,9 КиБ
Go
//go:build sam && atsamd21 && itsybitsy_m0
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// +build sam,atsamd21,itsybitsy_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 = PA11 // UART0 RX
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D1 = PA10 // UART0 TX
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D2 = PA14
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D3 = PA09 // PWM available
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D4 = PA08 // PWM available
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D5 = PA15 // PWM available
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D6 = PA20 // PWM available
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D7 = PA21 // PWM available
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D8 = PA06 // PWM available
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D9 = PA07 // PWM available
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D10 = PA18 // can be used for PWM or UART1 TX
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D11 = PA16 // can be used for PWM or UART1 RX
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D12 = PA19 // PWM available
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D13 = PA17 // PWM available
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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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)
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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 = D10
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UART_RX_PIN = D11
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)
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// UART1 on the ItsyBitsy M0.
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var (
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UART1 = &sercomUSART1
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)
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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 ItsyBitsy M0.
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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 ItsyBitsy M0.
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var SPI0 = sercomSPIM4
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// "Internal" SPI pins; SPI flash is attached to these on ItsyBitsy M0
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const (
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SPI1_CS_PIN = PA27
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SPI1_SCK_PIN = PB23
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SPI1_SDO_PIN = PB22
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SPI1_SDI_PIN = PB03
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)
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// "Internal" SPI on Sercom 5
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var SPI1 = sercomSPIM5
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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 = PA08
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I2S_WS_PIN = NoPin // TODO: figure out what this is on ItsyBitsy M0.
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)
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// USB CDC identifiers
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const (
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usb_STRING_PRODUCT = "Adafruit ItsyBitsy 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 = 0x800F
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)
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var (
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DefaultUART = UART1
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)
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