111 строки
2 КиБ
Go
111 строки
2 КиБ
Go
//go:build ae_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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// GPIO pins
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const (
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GP0 Pin = GPIO0
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GP1 Pin = GPIO1
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GP2 Pin = GPIO2
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GP3 Pin = GPIO3
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GP4 Pin = GPIO4
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GP5 Pin = GPIO5
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GP6 Pin = GPIO6
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GP7 Pin = GPIO7
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GP8 Pin = GPIO8
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GP9 Pin = GPIO9
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GP10 Pin = GPIO10
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GP11 Pin = GPIO11
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GP12 Pin = GPIO12
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GP13 Pin = GPIO13
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GP14 Pin = GPIO14
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GP15 Pin = GPIO15
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GP16 Pin = GPIO16
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GP17 Pin = GPIO17
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GP18 Pin = GPIO18
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GP19 Pin = GPIO19
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GP20 Pin = GPIO20
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GP21 Pin = GPIO21
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GP22 Pin = GPIO22
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GP26 Pin = GPIO26
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GP27 Pin = GPIO27
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GP28 Pin = GPIO28
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GP29 Pin = GPIO29
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// Onboard crystal oscillator frequency, in MHz.
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xoscFreq = 12 // MHz
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)
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// I2C Default pins on Raspberry Pico.
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const (
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I2C0_SDA_PIN = GP4
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I2C0_SCL_PIN = GP5
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I2C1_SDA_PIN = GP2
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I2C1_SCL_PIN = GP3
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)
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// SPI default pins
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const (
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// Default Serial Clock Bus 0 for SPI communications
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SPI0_SCK_PIN = GPIO18
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// Default Serial Out Bus 0 for SPI communications
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SPI0_SDO_PIN = GPIO19 // Tx
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// Default Serial In Bus 0 for SPI communications
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SPI0_SDI_PIN = GPIO16 // Rx
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// Default Serial Clock Bus 1 for SPI communications
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SPI1_SCK_PIN = GPIO10
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// Default Serial Out Bus 1 for SPI communications
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SPI1_SDO_PIN = GPIO11 // Tx
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// Default Serial In Bus 1 for SPI communications
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SPI1_SDI_PIN = GPIO12 // Rx
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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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UART1_TX_PIN = GPIO8
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UART1_RX_PIN = GPIO9
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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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UART1 = &_UART1
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_UART1 = UART{
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Buffer: NewRingBuffer(),
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Bus: rp.UART1,
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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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UART1.Interrupt = interrupt.New(rp.IRQ_UART1_IRQ, _UART1.handleInterrupt)
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}
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// USB identifiers
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const (
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usb_STRING_PRODUCT = "AE-RP2040"
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usb_STRING_MANUFACTURER = "AKIZUKI DENSHI"
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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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