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//go:build nucleowl55jc
package machine
import (
"device/stm32"
"runtime/interrupt"
)
const (
LED_BLUE = PB15
LED_GREEN = PB9
LED_RED = PB11
LED = LED_RED
BTN1 = PA0
BTN2 = PA1
BTN3 = PC6
BUTTON = BTN1
// SubGhz (SPI3)
SPI0_NSS_PIN = PA4
SPI0_SCK_PIN = PA5
SPI0_SDO_PIN = PA6
SPI0_SDI_PIN = PA7
//MCU USART1
UART1_TX_PIN = PB6
UART1_RX_PIN = PB7
//MCU USART2
UART2_RX_PIN = PA3
UART2_TX_PIN = PA2
// DEFAULT USART
UART_RX_PIN = UART2_RX_PIN
UART_TX_PIN = UART2_TX_PIN
// I2C1 pins
I2C1_SCL_PIN = PA9
I2C1_SDA_PIN = PA10
I2C1_ALT_FUNC = 4
// I2C2 pins
I2C2_SCL_PIN = PA12
I2C2_SDA_PIN = PA11
I2C2_ALT_FUNC = 4
// I2C0 alias for I2C1
I2C0_SDA_PIN = I2C1_SDA_PIN
I2C0_SCL_PIN = I2C1_SCL_PIN
)
var (
// STM32 UART2 is connected to the embedded STLINKV3 Virtual Com Port
UART0 = &_UART0
_UART0 = UART{
Buffer: NewRingBuffer(),
Bus: stm32.USART2,
TxAltFuncSelector: 7,
RxAltFuncSelector: 7,
}
// UART1 is free
UART1 = &_UART1
_UART1 = UART{
Buffer: NewRingBuffer(),
Bus: stm32.USART1,
TxAltFuncSelector: 7,
RxAltFuncSelector: 7,
}
DefaultUART = UART0
// I2C Busses
I2C1 = &I2C{
Bus: stm32.I2C1,
AltFuncSelector: I2C1_ALT_FUNC,
}
I2C2 = &I2C{
Bus: stm32.I2C2,
AltFuncSelector: I2C2_ALT_FUNC,
}
I2C0 = I2C1
// SPI
SPI3 = SPI{
Bus: stm32.SPI3,
}
)
func init() {
// Enable UARTs Interrupts
UART0.Interrupt = interrupt.New(stm32.IRQ_USART2, _UART0.handleInterrupt)
UART1.Interrupt = interrupt.New(stm32.IRQ_USART1, _UART1.handleInterrupt)
}
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