72 строки
1,2 КиБ
Go
72 строки
1,2 КиБ
Go
// +build sam,atsamd21,itsybitsy_m0
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package machine
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import "device/sam"
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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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// UART0 aka 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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)
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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 = I2C{Bus: sam.SERCOM3_I2CM}
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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_MOSI_PIN = PB10 // MOSI: SERCOM4/PAD[2]
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SPI0_MISO_PIN = PA12 // MISO: SERCOM4/PAD[0]
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)
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// SPI on the ItsyBitsy M0.
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var (
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SPI0 = SPI{Bus: sam.SERCOM4_SPI}
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)
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