mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-14 07:53:40 +00:00
Ayke van Laethem
c7a23183e8
Go 1.19 started reformatting code in a way that makes it more obvious how it will be rendered on pkg.go.dev. It gets it almost right, but not entirely. Therefore, I had to modify some of the comments so that they are formatted correctly.
107 lines
1.6 KiB
Go
107 lines
1.6 KiB
Go
//go:build xiao_rp2040
|
|
// +build xiao_rp2040
|
|
|
|
// This file contains the pin mappings for the Seeed XIAO RP2040 boards.
|
|
//
|
|
// XIAO RP2040 is a microcontroller using the Raspberry Pi RP2040 chip.
|
|
//
|
|
// - https://wiki.seeedstudio.com/XIAO-RP2040/
|
|
package machine
|
|
|
|
import (
|
|
"device/rp"
|
|
"runtime/interrupt"
|
|
)
|
|
|
|
// Digital Pins
|
|
const (
|
|
D0 Pin = GPIO26
|
|
D1 Pin = GPIO27
|
|
D2 Pin = GPIO28
|
|
D3 Pin = GPIO29
|
|
D4 Pin = GPIO6
|
|
D5 Pin = GPIO7
|
|
D6 Pin = GPIO0
|
|
D7 Pin = GPIO1
|
|
D8 Pin = GPIO2
|
|
D9 Pin = GPIO3
|
|
D10 Pin = GPIO4
|
|
)
|
|
|
|
// Analog pins
|
|
const (
|
|
A0 Pin = D0
|
|
A1 Pin = D1
|
|
A2 Pin = D2
|
|
A3 Pin = D3
|
|
)
|
|
|
|
// Onboard LEDs
|
|
const (
|
|
NEOPIXEL = GPIO12
|
|
|
|
LED = GPIO17
|
|
LED_RED = GPIO17
|
|
LED_GREEN = GPIO16
|
|
LED_BLUE = GPIO25
|
|
)
|
|
|
|
// I2C pins
|
|
const (
|
|
I2C0_SDA_PIN Pin = D4
|
|
I2C0_SCL_PIN Pin = D5
|
|
|
|
I2C1_SDA_PIN Pin = NoPin
|
|
I2C1_SCL_PIN Pin = NoPin
|
|
)
|
|
|
|
// SPI pins
|
|
const (
|
|
SPI0_SCK_PIN Pin = D8
|
|
SPI0_SDO_PIN Pin = D9
|
|
SPI0_SDI_PIN Pin = D10
|
|
|
|
SPI1_SCK_PIN Pin = NoPin
|
|
SPI1_SDO_PIN Pin = NoPin
|
|
SPI1_SDI_PIN Pin = NoPin
|
|
)
|
|
|
|
// Onboard crystal oscillator frequency, in MHz.
|
|
const (
|
|
xoscFreq = 12 // MHz
|
|
)
|
|
|
|
// UART pins
|
|
const (
|
|
UART0_TX_PIN = GPIO0
|
|
UART0_RX_PIN = GPIO1
|
|
UART_TX_PIN = UART0_TX_PIN
|
|
UART_RX_PIN = UART0_RX_PIN
|
|
)
|
|
|
|
// UART on the RP2040
|
|
var (
|
|
UART0 = &_UART0
|
|
_UART0 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: rp.UART0,
|
|
}
|
|
)
|
|
|
|
var DefaultUART = UART0
|
|
|
|
func init() {
|
|
UART0.Interrupt = interrupt.New(rp.IRQ_UART0_IRQ, _UART0.handleInterrupt)
|
|
}
|
|
|
|
// USB CDC identifiers
|
|
const (
|
|
usb_STRING_PRODUCT = "XIAO RP2040"
|
|
usb_STRING_MANUFACTURER = "Seeed"
|
|
)
|
|
|
|
var (
|
|
usb_VID uint16 = 0x2e8a
|
|
usb_PID uint16 = 0x000a
|
|
)
|