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//go:build mksnanov3
// The MKS Robin Nano V3.X board.
// Documented at https://github.com/makerbase-mks/MKS-Robin-Nano-V3.X.
package machine
import (
"device/stm32"
"runtime/interrupt"
)
// LED is also wired to the SD card card detect (CD) pin.
const LED = PD12
// UART pins
const (
UART_TX_PIN = PB10
UART_RX_PIN = PB11
)
// EXP1 and EXP2 expansion ports for connecting
// the MKS TS35 V2.0 expansion board.
const (
BEEPER = EXP1_1
// LCD pins.
LCD_DC = EXP1_8
LCD_CS = EXP1_7
LCD_RS = EXP1_4
LCD_BACKLIGHT = EXP1_3
// Touch pins. Note that some pins are shared with the
// LCD SPI1 interface.
TOUCH_CLK = EXP2_2
TOUCH_CS = EXP1_5
TOUCH_DIN = EXP2_6
TOUCH_DOUT = EXP2_1
TOUCH_IRQ = EXP1_6
BUTTON = BUTTON_JOG
BUTTON_JOG = EXP1_2
BUTTON_JOG_CCW = EXP2_3
BUTTON_JOG_CW = EXP2_5
EXP1_1 = PC5
EXP1_2 = PE13
EXP1_3 = PD13
EXP1_4 = PC6
EXP1_5 = PE14
EXP1_6 = PE15
EXP1_7 = PD11
EXP1_8 = PD10
EXP2_1 = PA6
EXP2_2 = PA5
EXP2_3 = PE8
EXP2_4 = PE10
EXP2_5 = PE11
EXP2_6 = PA7
EXP2_7 = PE12
)
var (
UART3 = &_UART3
_UART3 = UART{
Buffer: NewRingBuffer(),
Bus: stm32.USART3,
TxAltFuncSelector: AF7_USART1_2_3,
RxAltFuncSelector: AF7_USART1_2_3,
}
DefaultUART = UART3
)
// set up RX IRQ handler. Follow similar pattern for other UARTx instances
func init() {
UART3.Interrupt = interrupt.New(stm32.IRQ_USART3, _UART3.handleInterrupt)
}
// SPI pins
const (
SPI1_SCK_PIN = EXP2_2
SPI1_SDI_PIN = EXP2_1
SPI1_SDO_PIN = EXP2_6
SPI0_SCK_PIN = SPI1_SCK_PIN
SPI0_SDI_PIN = SPI1_SDI_PIN
SPI0_SDO_PIN = SPI1_SDO_PIN
)
// Since the first interface is named SPI1, both SPI0 and SPI1 refer to SPI1.
var (
SPI0 = SPI{
Bus: stm32.SPI1,
AltFuncSelector: AF5_SPI1_SPI2,
}
SPI1 = &SPI0
)
const (
I2C0_SCL_PIN = PB6
I2C0_SDA_PIN = PB7
)
var (
I2C0 = &I2C{
Bus: stm32.I2C1,
AltFuncSelector: AF4_I2C1_2_3,
}
)
// Motor control pins.
const (
X_ENABLE = PE4
X_STEP = PE3
X_DIR = PE2
X_DIAG = PA15
X_UART = PD5
Y_ENABLE = PE1
Y_STEP = PE0
Y_DIR = PB9
Y_DIAG = PD2
Y_UART = PD7
Z_ENABLE = PB8
Z_STEP = PB5
Z_DIR = PB4
Z_DIAG = PC8
Z_UART = PD4
E0_ENABLE = PB3
E0_STEP = PD6
E0_DIR = PD3
E0_DIAG = PC4
E0_UART = PD9
E1_ENABLE = PA3
E1_STEP = PD15
E1_DIR = PA1
E1_DIAG = PE7
E1_UART = PD8
)
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