108 строки
1,6 КиБ
Go
108 строки
1,6 КиБ
Go
//go:build xiao_rp2040
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// This file contains the pin mappings for the Seeed XIAO RP2040 boards.
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//
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// XIAO RP2040 is a microcontroller using the Raspberry Pi RP2040 chip.
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//
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// - https://wiki.seeedstudio.com/XIAO-RP2040/
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package machine
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import (
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"device/rp"
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"runtime/interrupt"
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)
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// Digital Pins
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const (
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D0 Pin = GPIO26
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D1 Pin = GPIO27
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D2 Pin = GPIO28
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D3 Pin = GPIO29
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D4 Pin = GPIO6
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D5 Pin = GPIO7
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D6 Pin = GPIO0
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D7 Pin = GPIO1
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D8 Pin = GPIO2
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D9 Pin = GPIO4
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D10 Pin = GPIO3
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)
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// Analog pins
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const (
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A0 Pin = D0
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A1 Pin = D1
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A2 Pin = D2
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A3 Pin = D3
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)
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// Onboard LEDs
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const (
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NEOPIXEL = GPIO12
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WS2812 = GPIO12
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NEO_PWR = GPIO11
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NEOPIXEL_POWER = GPIO11
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LED = GPIO17
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LED_RED = GPIO17
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LED_GREEN = GPIO16
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LED_BLUE = GPIO25
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)
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// I2C pins
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const (
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I2C0_SDA_PIN Pin = D2
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I2C0_SCL_PIN Pin = D3
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I2C1_SDA_PIN Pin = D4
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I2C1_SCL_PIN Pin = D5
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)
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// SPI pins
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const (
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SPI0_SCK_PIN Pin = D8
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SPI0_SDO_PIN Pin = D10
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SPI0_SDI_PIN Pin = D9
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SPI1_SCK_PIN Pin = NoPin
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SPI1_SDO_PIN Pin = NoPin
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SPI1_SDI_PIN Pin = NoPin
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)
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// Onboard crystal oscillator frequency, in MHz.
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const (
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xoscFreq = 12 // MHz
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)
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// UART pins
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const (
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UART0_TX_PIN = GPIO0
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UART0_RX_PIN = GPIO1
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UART_TX_PIN = UART0_TX_PIN
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UART_RX_PIN = UART0_RX_PIN
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)
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// UART on the RP2040
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var (
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UART0 = &_UART0
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_UART0 = UART{
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Buffer: NewRingBuffer(),
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Bus: rp.UART0,
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}
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)
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var DefaultUART = UART0
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func init() {
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UART0.Interrupt = interrupt.New(rp.IRQ_UART0_IRQ, _UART0.handleInterrupt)
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}
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// USB CDC identifiers
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const (
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usb_STRING_PRODUCT = "XIAO RP2040"
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usb_STRING_MANUFACTURER = "Seeed"
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)
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var (
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usb_VID uint16 = 0x2e8a
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usb_PID uint16 = 0x000a
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)
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