Add qtpy-rp2040 to TinyGo v0.25.0

src/machine/board_qtpy_rp2040.go

@@ -0,0 +1,120 @@
+//go:build qtpy_rp2040
+// +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 (
+	NEOPIXELS       = GPIO12
+	WS2812          = GPIO12
+	NEOPIXELS_POWER = GPIO11
+	LED             = GPIO20
+)
+
+// 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 = 0x80F1
+)