tinygo/src/machine/board_circuitplay_express_baremetal.go

53 строки
778 Б
Go

// +build sam,atsamd21,circuitplay_express
package machine
import (
"device/sam"
"runtime/interrupt"
)
// UART1 on the Circuit Playground Express.
var (
UART1 = &_UART1
_UART1 = UART{
Buffer: NewRingBuffer(),
Bus: sam.SERCOM4_USART,
SERCOM: 4,
}
)
func init() {
UART1.Interrupt = interrupt.New(sam.IRQ_SERCOM4, _UART1.handleInterrupt)
}
// I2C on the Circuit Playground Express.
var (
// external device
I2C0 = &I2C{
Bus: sam.SERCOM5_I2CM,
SERCOM: 5,
}
// internal device
I2C1 = &I2C{
Bus: sam.SERCOM1_I2CM,
SERCOM: 1,
}
)
// SPI on the Circuit Playground Express.
var (
SPI0 = SPI{
Bus: sam.SERCOM3_SPI,
SERCOM: 3,
}
)
// I2S on the Circuit Playground Express.
var (
I2S0 = I2S{Bus: sam.I2S}
)
var (
DefaultUART = UART1
)