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Ayke van Laethem
c61657d22d
With this change, it's no longer necessary to set a specific pin mode: it will get autodetected in the Configure() call. Tested on an ItsyBitsy M4 with the mpu6050 example in the drivers repo.
90 lines
1.5 KiB
Go
90 lines
1.5 KiB
Go
// +build sam,atsamd51,feather_m4
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package machine
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import "device/sam"
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// used to reset into bootloader
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const RESET_MAGIC_VALUE = 0xf01669ef
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// GPIO Pins
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const (
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D0 = PB17 // UART0 RX/PWM available
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D1 = PB16 // UART0 TX/PWM available
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D4 = PA14 // PWM available
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D5 = PA16 // PWM available
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D6 = PA18 // PWM available
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D8 = PB03 // built-in neopixel
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D9 = PA19 // PWM available
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D10 = PA20 // can be used for PWM or UART1 TX
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D11 = PA21 // can be used for PWM or UART1 RX
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D12 = PA22 // PWM available
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D13 = PA23 // PWM available
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D21 = PA13 // PWM available
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D22 = PA12 // PWM available
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D23 = PB22 // PWM available
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D24 = PB23 // PWM available
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D25 = 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 = PA05 // ADC/AIN[2]
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A2 = PB08 // ADC/AIN[3]
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A3 = PB09 // ADC/AIN[4]
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A4 = PA04 // ADC/AIN[5]
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A5 = PA06 // 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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// UART2 pins
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const (
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UART2_TX_PIN = A4
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UART2_RX_PIN = A5
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)
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// I2C pins
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const (
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SDA_PIN = D22 // SDA: SERCOM2/PAD[0]
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SCL_PIN = D21 // SCL: SERCOM2/PAD[1]
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)
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// I2C on the Feather M4.
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var (
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I2C0 = I2C{
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Bus: sam.SERCOM2_I2CM,
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SERCOM: 2,
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}
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)
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// SPI pins
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const (
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SPI0_SCK_PIN = D25 // SCK: SERCOM1/PAD[1]
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SPI0_MOSI_PIN = D24 // MOSI: SERCOM1/PAD[3]
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SPI0_MISO_PIN = D23 // MISO: SERCOM1/PAD[2]
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)
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// SPI on the Feather M4.
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var (
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SPI0 = SPI{
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Bus: sam.SERCOM1_SPIM,
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SERCOM: 1,
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}
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)
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