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//go:build metro_m4_airlift
package machine
// used to reset into bootloader
const resetMagicValue = 0xf01669ef
// GPIO Pins
const (
D0 = PA23 // UART0 RX/PWM available
D1 = PA22 // UART0 TX/PWM available
D2 = PB17 // PWM available
D3 = PB16 // PWM available
D4 = PB13 // PWM available
D5 = PB14 // PWM available
D6 = PB15 // PWM available
D7 = PB12 // PWM available
D8 = PA21 // PWM available
D9 = PA20 // PWM available
D10 = PA18 // can be used for PWM or UART1 TX
D11 = PA19 // can be used for PWM or UART1 RX
D12 = PA17 // PWM available
D13 = PA16 // PWM available
D40 = PB22 // built-in neopixel
)
// Analog pins
const (
A0 = PA02 // ADC/AIN[0]
A1 = PA05 // ADC/AIN[2]
A2 = PB06 // ADC/AIN[3]
A3 = PB00 // ADC/AIN[4] // NOTE: different between "airlift" and non-airlift versions
A4 = PB08 // ADC/AIN[5]
A5 = PB09 // ADC/AIN[10]
)
const (
LED = D13
WS2812 = D40
)
// USBCDC pins
const (
USBCDC_DM_PIN = PA24
USBCDC_DP_PIN = PA25
)
const (
UART_TX_PIN = D1
UART_RX_PIN = D0
)
const (
UART2_TX_PIN = PA04
UART2_RX_PIN = PA07
)
var (
UART1 = &sercomUSART3
UART2 = &sercomUSART0
DefaultUART = UART1
UART_NINA = UART2
)
// NINA-W102 settings
const (
NINA_BAUDRATE = 115200
NINA_RESET_INVERTED = true
NINA_SOFT_FLOWCONTROL = true
)
const (
NINA_CS = PA15
NINA_ACK = PB04
NINA_GPIO0 = PB01
NINA_RESETN = PB05
// pins used for the ESP32 connection do not allow hardware
// flow control, which is required. have to emulate with software.
NINA_TX = PA04
NINA_RX = PA07
NINA_CTS = NINA_ACK
NINA_RTS = NINA_GPIO0
)
// I2C pins
const (
SDA_PIN = PB02 // SDA: SERCOM5/PAD[0]
SCL_PIN = PB03 // SCL: SERCOM5/PAD[1]
)
// I2C on the Metro M4.
var (
I2C0 = sercomI2CM5
)
// SPI pins
const (
SPI0_SCK_PIN = PA13 // SCK: SERCOM2/PAD[1]
SPI0_SDO_PIN = PA12 // SDO: SERCOM2/PAD[0]
SPI0_SDI_PIN = PA14 // SDI: SERCOM2/PAD[2]
NINA_SDO = SPI0_SDO_PIN
NINA_SDI = SPI0_SDI_PIN
NINA_SCK = SPI0_SCK_PIN
)
const (
SPI1_SCK_PIN = D12 // SDI: SERCOM1/PAD[1]
SPI1_SDO_PIN = D11 // SDO: SERCOM1/PAD[3]
SPI1_SDI_PIN = D13 // SCK: SERCOM1/PAD[0]
)
// SPI on the Metro M4.
var (
SPI0 = sercomSPIM2
NINA_SPI = SPI0
)
// SPI1 on the Metro M4 on pins 11,12,13
var SPI1 = sercomSPIM1
// USB CDC identifiers
const (
usb_STRING_PRODUCT = "Adafruit Metro M4 Airlift Lite"
usb_STRING_MANUFACTURER = "Adafruit"
)
var (
usb_VID uint16 = 0x239A
usb_PID uint16 = 0x8037
)
|
