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//go:build nucleof103rb
package machine
import (
"device/stm32"
"runtime/interrupt"
)
const (
LED = LED_BUILTIN
LED_BUILTIN = LED_GREEN
LED_GREEN = PA5
)
const (
BUTTON = BUTTON_USER
BUTTON_USER = PC13
)
// UART pins
const (
UART_TX_PIN = PA2
UART_RX_PIN = PA3
UART_ALT_TX_PIN = PD5
UART_ALT_RX_PIN = PD6
)
var (
// USART2 is the hardware serial port connected to the onboard ST-LINK
// debugger to be exposed as virtual COM port over USB on Nucleo boards.
UART2 = &_UART2
_UART2 = UART{
Buffer: NewRingBuffer(),
Bus: stm32.USART2,
}
DefaultUART = UART2
)
func init() {
UART2.Interrupt = interrupt.New(stm32.IRQ_USART2, _UART2.handleInterrupt)
}
// SPI pins
const (
SPI0_SCK_PIN = PA5
SPI0_SDI_PIN = PA6
SPI0_SDO_PIN = PA7
)
// I2C pins
const (
I2C0_SCL_PIN = PB6
I2C0_SDA_PIN = PB7
)
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