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//go:build nucleol432kc
package machine
import (
"device/stm32"
"runtime/interrupt"
)
const (
// Arduino Pins
A0 = PA0
A1 = PA1
A2 = PA3
A3 = PA4
A4 = PA5
A5 = PA6
A6 = PA7
A7 = PA2
D0 = PA10
D1 = PA9
D2 = PA12
D3 = PB0
D4 = PB7
D5 = PB6
D6 = PB1
D7 = PC14
D8 = PC15
D9 = PA8
D10 = PA11
D11 = PB5
D12 = PB4
D13 = PB3
)
const (
LED = LED_BUILTIN
LED_BUILTIN = LED_GREEN
LED_GREEN = PB3
)
const (
// This board does not have a user button, so
// use first GPIO pin by default
BUTTON = PA0
)
const (
// UART pins
// PA2 and PA15 are connected to the ST-Link Virtual Com Port (VCP)
UART_TX_PIN = PA2
UART_RX_PIN = PA15
// I2C pins
// With default solder bridge settings:
// PB6 / Arduino D5 / CN3 Pin 8 is SCL
// PB7 / Arduino D4 / CN3 Pin 7 is SDA
I2C0_SCL_PIN = PB6
I2C0_SDA_PIN = PB7
// SPI pins
SPI1_SCK_PIN = PB3
SPI1_SDI_PIN = PB5
SPI1_SDO_PIN = PB4
SPI0_SCK_PIN = SPI1_SCK_PIN
SPI0_SDI_PIN = SPI1_SDI_PIN
SPI0_SDO_PIN = SPI1_SDO_PIN
)
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.
UART1 = &_UART1
_UART1 = UART{
Buffer: NewRingBuffer(),
Bus: stm32.USART2,
TxAltFuncSelector: 7,
RxAltFuncSelector: 3,
}
DefaultUART = UART1
// I2C1 is documented, alias to I2C0 as well
I2C1 = &I2C{
Bus: stm32.I2C1,
AltFuncSelector: 4,
}
I2C0 = I2C1
// SPI1 is documented, alias to SPI0 as well
SPI1 = &SPI{
Bus: stm32.SPI1,
AltFuncSelector: 5,
}
SPI0 = SPI1
)
func init() {
UART1.Interrupt = interrupt.New(stm32.IRQ_USART2, _UART1.handleInterrupt)
}
|
