mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-07 12:33:42 +00:00
Ayke van Laethem
38b9c55ae6
There is no need to put these in the board files as the I2S is the same on all Microchip SAM D21 chips. This simplifies the code and avoids some special *_baremetal.go files. This change does not change the resulting binaries.
99 lines
1.8 KiB
Go
99 lines
1.8 KiB
Go
// +build sam,atsamd21,xiao
|
|
|
|
package machine
|
|
|
|
// used to reset into bootloader
|
|
const RESET_MAGIC_VALUE = 0xf01669ef
|
|
|
|
// GPIO Pins
|
|
const (
|
|
D0 = PA02 // can be used for PWM or DAC
|
|
D1 = PA04 // PWM available
|
|
D2 = PA10 // PWM available
|
|
D3 = PA11 // PWM available
|
|
D4 = PA08 // can be used for PWM or I2C SDA
|
|
D5 = PA09 // can be used for PWM or I2C SCL
|
|
D6 = PB08 // can be used for PWM or UART1 TX
|
|
D7 = PB09 // can be used for PWM or UART1 RX
|
|
D8 = PA07 // can be used for PWM or SPI SCK
|
|
D9 = PA05 // can be used for PWM or SPI SDI
|
|
D10 = PA06 // can be used for PWM or SPI SDO
|
|
)
|
|
|
|
// Analog pins
|
|
const (
|
|
A0 = PA02 // ADC/AIN[0]
|
|
A1 = PA04 // ADC/AIN[4]
|
|
A2 = PA10 // ADC/AIN[18]
|
|
A3 = PA11 // ADC/AIN[19]
|
|
A4 = PA08 // ADC/AIN[16]
|
|
A5 = PA09 // ADC/AIN[17]
|
|
A6 = PB08 // ADC/AIN[2]
|
|
A7 = PB09 // ADC/AIN[3]
|
|
A8 = PA07 // ADC/AIN[7]
|
|
A9 = PA05 // ADC/AIN[6]
|
|
A10 = PA06 // ADC/AIN[5]
|
|
)
|
|
|
|
const (
|
|
LED = PA17
|
|
LED_RXL = PA18
|
|
LED_TXL = PA19
|
|
LED2 = LED_RXL
|
|
LED3 = LED_TXL
|
|
)
|
|
|
|
// USBCDC pins
|
|
const (
|
|
USBCDC_DM_PIN = PA24
|
|
USBCDC_DP_PIN = PA25
|
|
)
|
|
|
|
// UART1 pins
|
|
const (
|
|
UART_TX_PIN = D6
|
|
UART_RX_PIN = D7
|
|
)
|
|
|
|
// UART1 on the Xiao
|
|
var UART1 = &sercomUSART4
|
|
|
|
// I2C pins
|
|
const (
|
|
SDA_PIN = PA08 // SDA: SERCOM2/PAD[0]
|
|
SCL_PIN = PA09 // SCL: SERCOM2/PAD[1]
|
|
)
|
|
|
|
// I2C on the Xiao
|
|
var (
|
|
I2C0 = sercomI2CM2
|
|
)
|
|
|
|
// SPI pins
|
|
const (
|
|
SPI0_SCK_PIN = PA07 // SCK: SERCOM0/PAD[3]
|
|
SPI0_SDO_PIN = PA06 // SDO: SERCOM0/PAD[2]
|
|
SPI0_SDI_PIN = PA05 // SDI: SERCOM0/PAD[1]
|
|
)
|
|
|
|
// SPI on the Xiao
|
|
var SPI0 = sercomSPIM0
|
|
|
|
// I2S pins
|
|
const (
|
|
I2S_SCK_PIN = PA10
|
|
I2S_SD_PIN = PA08
|
|
I2S_WS_PIN = NoPin // TODO: figure out what this is on Xiao
|
|
)
|
|
|
|
// USB CDC identifiers
|
|
const (
|
|
usb_STRING_PRODUCT = "Seeed XIAO M0"
|
|
usb_STRING_MANUFACTURER = "Seeed"
|
|
)
|
|
|
|
var (
|
|
usb_VID uint16 = 0x2886
|
|
usb_PID uint16 = 0x802F
|
|
)
|