mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-12 23:13:40 +00:00
Ayke van Laethem
90b42799a2
This makes it possible to assign I2C objects (machine.I2C0, machine.I2C1, etc.) without needing to take a pointer. This is important especially in the future when I2C may be driven using DMA and the machine.I2C type needs to store some state.
64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
// +build grandcentral_m4
|
|
|
|
package machine
|
|
|
|
import (
|
|
"device/sam"
|
|
"runtime/interrupt"
|
|
)
|
|
|
|
func init() {
|
|
UART1.Interrupt = interrupt.New(sam.IRQ_SERCOM0_2, UART1.handleInterrupt)
|
|
UART2.Interrupt = interrupt.New(sam.IRQ_SERCOM4_2, UART2.handleInterrupt)
|
|
UART3.Interrupt = interrupt.New(sam.IRQ_SERCOM1_2, UART3.handleInterrupt)
|
|
UART4.Interrupt = interrupt.New(sam.IRQ_SERCOM5_2, UART4.handleInterrupt)
|
|
}
|
|
|
|
// UART on the Grand Central M4
|
|
var (
|
|
UART1 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: sam.SERCOM0_USART_INT,
|
|
SERCOM: 0,
|
|
}
|
|
UART2 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: sam.SERCOM4_USART_INT,
|
|
SERCOM: 4,
|
|
}
|
|
UART3 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: sam.SERCOM1_USART_INT,
|
|
SERCOM: 1,
|
|
}
|
|
UART4 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: sam.SERCOM5_USART_INT,
|
|
SERCOM: 5,
|
|
}
|
|
)
|
|
|
|
// I2C on the Grand Central M4
|
|
var (
|
|
I2C0 = &I2C{
|
|
Bus: sam.SERCOM3_I2CM,
|
|
SERCOM: 3,
|
|
}
|
|
I2C1 = &I2C{
|
|
Bus: sam.SERCOM6_I2CM,
|
|
SERCOM: 6,
|
|
}
|
|
)
|
|
|
|
// SPI on the Grand Central M4
|
|
var (
|
|
SPI0 = SPI{
|
|
Bus: sam.SERCOM7_SPIM,
|
|
SERCOM: 7,
|
|
}
|
|
SPI1 = SPI{ // SD card
|
|
Bus: sam.SERCOM2_SPIM,
|
|
SERCOM: 2,
|
|
}
|
|
)
|