tinygo/src/machine/board_itsybitsy-m4_baremetal.go
sago35 0c880ec44c
Standardize SAMD51 UART settings (#1155)
* machine/samd51: standardize samd51 uart settings
2020-06-05 08:14:31 +02:00

43 строки
647 Б
Go

// +build sam,atsamd51,itsybitsy_m4
package machine
import (
"device/sam"
"runtime/interrupt"
)
var (
UART1 = UART{
Buffer: NewRingBuffer(),
Bus: sam.SERCOM3_USART_INT,
SERCOM: 3,
}
UART2 = UART{
Buffer: NewRingBuffer(),
Bus: sam.SERCOM0_USART_INT,
SERCOM: 0,
}
)
func init() {
UART1.Interrupt = interrupt.New(sam.IRQ_SERCOM3_2, UART1.handleInterrupt)
UART2.Interrupt = interrupt.New(sam.IRQ_SERCOM0_2, UART2.handleInterrupt)
}
// I2C on the ItsyBitsy M4.
var (
I2C0 = I2C{
Bus: sam.SERCOM2_I2CM,
SERCOM: 2,
}
)
// SPI on the ItsyBitsy M4.
var (
SPI0 = SPI{
Bus: sam.SERCOM1_SPIM,
SERCOM: 1,
}
)