118 строки
2 КиБ
Go
118 строки
2 КиБ
Go
//go:build qtpy_rp2040
|
|
|
|
package machine
|
|
|
|
import (
|
|
"device/rp"
|
|
"runtime/interrupt"
|
|
)
|
|
|
|
// Onboard crystal oscillator frequency, in MHz.
|
|
const xoscFreq = 12 // MHz
|
|
|
|
// GPIO Pins
|
|
const (
|
|
SDA = GPIO24
|
|
SCL = GPIO25
|
|
TX = GPIO20
|
|
MO = GPIO3
|
|
MOSI = GPIO3
|
|
MI = GPIO4
|
|
MISO = GPIO4
|
|
SCK = GPIO6
|
|
RX = GPIO5
|
|
|
|
QT_SCL1 = GPIO23
|
|
QT_SDA1 = GPIO22
|
|
)
|
|
|
|
// Analog pins
|
|
const (
|
|
A0 = GPIO29
|
|
A1 = GPIO28
|
|
A2 = GPIO27
|
|
A3 = GPIO26
|
|
)
|
|
|
|
const (
|
|
NEOPIXEL = GPIO12
|
|
WS2812 = GPIO12
|
|
NEOPIXEL_POWER = GPIO11
|
|
)
|
|
|
|
// I2C Pins.
|
|
const (
|
|
I2C0_SDA_PIN = GPIO24
|
|
I2C0_SCL_PIN = GPIO25
|
|
|
|
I2C1_SDA_PIN = GPIO26
|
|
I2C1_SCL_PIN = GPIO27
|
|
|
|
I2C1_QT_SDA_PIN = GPIO22
|
|
I2C1_QT_SCL_PIN = GPIO23
|
|
|
|
SDA_PIN = GPIO24
|
|
SCL_PIN = GPIO25
|
|
)
|
|
|
|
// SPI default pins
|
|
const (
|
|
// Default Serial Clock Bus 0 for SPI communications
|
|
SPI0_SCK_PIN = GPIO6
|
|
// Default Serial Out Bus 0 for SPI communications
|
|
SPI0_SDO_PIN = GPIO3 // Tx
|
|
// Default Serial In Bus 0 for SPI communications
|
|
SPI0_SDI_PIN = GPIO4 // Rx
|
|
SPI0_CS = GPIO5
|
|
|
|
// Default Serial Clock Bus 1 for SPI communications
|
|
SPI1_SCK_PIN = GPIO26
|
|
// Default Serial Out Bus 1 for SPI communications
|
|
SPI1_SDO_PIN = GPIO27 // Tx
|
|
// Default Serial In Bus 1 for SPI communications
|
|
SPI1_SDI_PIN = GPIO24 // Rx
|
|
SPI1_CS = GPIO25
|
|
)
|
|
|
|
// UART pins
|
|
const (
|
|
UART0_TX_PIN = GPIO28
|
|
UART0_RX_PIN = GPIO29
|
|
UART1_TX_PIN = GPIO20
|
|
UART1_RX_PIN = GPIO5
|
|
UART_TX_PIN = UART0_TX_PIN
|
|
UART_RX_PIN = UART0_RX_PIN
|
|
)
|
|
|
|
// UART on the RP2040
|
|
var (
|
|
UART0 = &_UART0
|
|
_UART0 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: rp.UART0,
|
|
}
|
|
|
|
UART1 = &_UART1
|
|
_UART1 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: rp.UART1,
|
|
}
|
|
)
|
|
|
|
var DefaultUART = UART0
|
|
|
|
func init() {
|
|
UART0.Interrupt = interrupt.New(rp.IRQ_UART0_IRQ, _UART0.handleInterrupt)
|
|
UART1.Interrupt = interrupt.New(rp.IRQ_UART1_IRQ, _UART1.handleInterrupt)
|
|
}
|
|
|
|
// USB identifiers
|
|
const (
|
|
usb_STRING_PRODUCT = "QT Py RP2040"
|
|
usb_STRING_MANUFACTURER = "Adafruit"
|
|
)
|
|
|
|
var (
|
|
usb_VID uint16 = 0x239A
|
|
usb_PID uint16 = 0x80F7
|
|
)
|