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//go:build sam && atsamd21 && gemma_m0
package machine
// Used to reset into bootloader.
const resetMagicValue = 0xf01669ef
// GPIO Pins.
const (
D0 = PA04 // SERCOM0/PAD[0]
D1 = PA02
D2 = PA05 // SERCOM0/PAD[1]
D3 = PA00 // DotStar LED: SERCOM1/PAD[0]: APA102/MOSI
D4 = PA01 // DotStar LED: SERCOM1/PAD[1]: APA102/SCK
D11 = PA30 // Flash Access: SERCOM1/PAD[2]
D12 = PA31 // Flash Access: SERCOM1/PAD[3]
D13 = PA23 // LED: SERCOM3/PAD[1] SERCOM5/PAD[1]
)
// Analog pins.
const (
A0 = D1
A1 = D2
A2 = D0
)
const (
LED = PA23
)
// USBCDC pins.
const (
USBCDC_DM_PIN = PA24
USBCDC_DP_PIN = PA25
)
// UART0 pins.
const (
UART_TX_PIN = PA04 // TX: SERCOM0/PAD[0]
UART_RX_PIN = PA05 // RX: SERCOM0/PAD[1]
)
// UART0s on the Gemma M0.
var UART0 = &sercomUSART0
// SPI pins.
const (
SPI0_SCK_PIN = PA05 // SCK: SERCOM0/PAD[1]
SPI0_SDO_PIN = PA04 // MOSI: SERCOM0/PAD[0]
SPI0_SDI_PIN = NoPin
SPI0_CS_PIN = NoPin
)
// SPI on the Gemma M0.
var SPI0 = sercomSPIM0
// SPI pins for DotStar LED (using APA102 software SPI) and Flash.
const (
SPI1_SCK_PIN = PA01 // SCK: SERCOM1/PAD[0]
SPI1_SDO_PIN = PA00 // MOSI: SERCOM1/PAD[1]
SPI1_SDI_PIN = PA31 // MISO: SERCOM1/PAD[3]
SPI1_CS_PIN = PA30 // CS: SERCOM1/PAD[2]
)
// I2C pins.
const (
SDA_PIN = PA04 // SDA: SERCOM0/PAD[0]
SCL_PIN = PA05 // SCL: SERCOM0/PAD[1]
)
// I2C on the Gemma M0.
var (
I2C0 = sercomI2CM0
)
// I2S (not connected, needed for atsamd21).
const (
I2S_SCK_PIN = NoPin
I2S_SD_PIN = NoPin
I2S_WS_PIN = NoPin
)
// USB CDC identifiers.
const (
usb_STRING_PRODUCT = "Adafruit Gemma M0"
usb_STRING_MANUFACTURER = "Adafruit"
)
var (
usb_VID uint16 = 0x239A
usb_PID uint16 = 0x801E
)
var (
DefaultUART = UART0
)
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