1// +build metro_m4_airlift 2 3package machine 4 5// used to reset into bootloader 6const RESET_MAGIC_VALUE = 0xf01669ef 7 8// GPIO Pins 9const ( 10 D0 = PA23 // UART0 RX/PWM available 11 D1 = PA22 // UART0 TX/PWM available 12 D2 = PB17 // PWM available 13 D3 = PB16 // PWM available 14 D4 = PB13 // PWM available 15 D5 = PB14 // PWM available 16 D6 = PB15 // PWM available 17 D7 = PB12 // PWM available 18 19 D8 = PA21 // PWM available 20 D9 = PA20 // PWM available 21 D10 = PA18 // can be used for PWM or UART1 TX 22 D11 = PA19 // can be used for PWM or UART1 RX 23 D12 = PA17 // PWM available 24 D13 = PA16 // PWM available 25 26 D40 = PB22 // built-in neopixel 27) 28 29// Analog pins 30const ( 31 A0 = PA02 // ADC/AIN[0] 32 A1 = PA05 // ADC/AIN[2] 33 A2 = PB06 // ADC/AIN[3] 34 A3 = PB00 // ADC/AIN[4] // NOTE: different between "airlift" and non-airlift versions 35 A4 = PB08 // ADC/AIN[5] 36 A5 = PB09 // ADC/AIN[10] 37) 38 39const ( 40 LED = D13 41) 42 43// UART0 aka USBCDC pins 44const ( 45 USBCDC_DM_PIN = PA24 46 USBCDC_DP_PIN = PA25 47) 48 49const ( 50 UART_TX_PIN = D1 51 UART_RX_PIN = D0 52) 53 54const ( 55 UART2_TX_PIN = PA04 56 UART2_RX_PIN = PA07 57) 58 59const ( 60 NINA_CS = PA15 61 NINA_ACK = PB04 62 NINA_GPIO0 = PB01 63 NINA_RESETN = PB05 64 65 NINA_TX = PA04 66 NINA_RX = PA07 67 NINA_RTS = PB23 68) 69 70// I2C pins 71const ( 72 SDA_PIN = PB02 // SDA: SERCOM5/PAD[0] 73 SCL_PIN = PB03 // SCL: SERCOM5/PAD[1] 74) 75 76// SPI pins 77const ( 78 SPI0_SCK_PIN = PA13 // SCK: SERCOM2/PAD[1] 79 SPI0_SDO_PIN = PA12 // SDO: SERCOM2/PAD[0] 80 SPI0_SDI_PIN = PA14 // SDI: SERCOM2/PAD[2] 81 82 NINA_SDO = SPI0_SDO_PIN 83 NINA_SDI = SPI0_SDI_PIN 84 NINA_SCK = SPI0_SCK_PIN 85) 86 87const ( 88 SPI1_SCK_PIN = D12 // SDI: SERCOM1/PAD[1] 89 SPI1_SDO_PIN = D11 // SDO: SERCOM1/PAD[3] 90 SPI1_SDI_PIN = D13 // SCK: SERCOM1/PAD[0] 91) 92 93// USB CDC identifiers 94const ( 95 usb_STRING_PRODUCT = "Adafruit Metro M4 Airlift Lite" 96 usb_STRING_MANUFACTURER = "Adafruit" 97) 98 99var ( 100 usb_VID uint16 = 0x239A 101 usb_PID uint16 = 0x8037 102) 103