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https://github.com/tinygo-org/tinygo.git
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Ayke van Laethem
90b42799a2
This makes it possible to assign I2C objects (machine.I2C0, machine.I2C1, etc.) without needing to take a pointer. This is important especially in the future when I2C may be driven using DMA and the machine.I2C type needs to store some state.
148 lines
2.4 KiB
Go
148 lines
2.4 KiB
Go
// +build sam,atsamd51,pygamer
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package machine
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import "device/sam"
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// used to reset into bootloader
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const RESET_MAGIC_VALUE = 0xf01669ef
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// GPIO Pins
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const (
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D0 = PB17 // UART0 RX/PWM available
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D1 = PB16 // UART0 TX/PWM available
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D2 = PB03
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D3 = PB02
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D4 = PA14 // PWM available
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D5 = PA16 // PWM available
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D6 = PA18 // PWM available
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D7 = PB14 // CS for microSD card slot
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D8 = PA15 // built-in neopixel
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D9 = PA19 // PWM available
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D10 = PA20 // can be used for PWM or UART1 TX
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D11 = PA21 // can be used for PWM or UART1 RX
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D12 = PA22 // PWM available
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D13 = PA23 // PWM available
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)
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// Analog pins
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const (
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A0 = PA02 // ADC/AIN[0]
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A1 = PA05 // ADC/AIN[2]
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A2 = PB08 // ADC/AIN[3]
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A3 = PB09 // ADC/AIN[4]
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A4 = PA04 // ADC/AIN[5]
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A5 = PA06 // ADC/AIN[6]
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A6 = PB01 // ADC/AIN[12]/VMEAS
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A7 = PB04 // ADC/AIN[6]/LIGHT
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A8 = D2 // ADC/AIN[14]
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A9 = D3 // ADC/AIN[15]
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)
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const (
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LED = D13
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NEOPIXELS = D8
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SD_CS = D7
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LIGHTSENSOR = A7
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BUTTON_LATCH = PB00
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BUTTON_OUT = PB30
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BUTTON_CLK = PB31
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JOYY = PB06
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JOYX = PB07
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TFT_DC = PB05
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TFT_CS = PB12
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TFT_RST = PA00
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TFT_LITE = PA01
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SPEAKER_ENABLE = PA27
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)
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const (
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BUTTON_SELECT_MASK = 16
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BUTTON_START_MASK = 32
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BUTTON_A_MASK = 64
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BUTTON_B_MASK = 128
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)
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// UART0 aka USBCDC pins
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const (
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USBCDC_DM_PIN = PA24
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USBCDC_DP_PIN = PA25
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)
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// UART1 pins
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const (
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UART_TX_PIN = D1
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UART_RX_PIN = D0
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)
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// UART1 var is on SERCOM3, defined in atsamd51.go
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// UART2 pins
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const (
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UART2_TX_PIN = A4
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UART2_RX_PIN = A5
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)
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// UART2 var is on SERCOM0, defined in atsamd51.go
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// I2C pins
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const (
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SDA_PIN = PA12 // SDA: SERCOM2/PAD[0]
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SCL_PIN = PA13 // SCL: SERCOM2/PAD[1]
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)
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// I2C on the PyGamer.
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var (
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I2C0 = &I2C{
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Bus: sam.SERCOM2_I2CM,
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SERCOM: 2,
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}
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)
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// SPI pins
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const (
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SPI0_SCK_PIN = PA17 // SCK: SERCOM1/PAD[1]
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SPI0_SDO_PIN = PB23 // SDO: SERCOM1/PAD[3]
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SPI0_SDI_PIN = PB22 // SDI: SERCOM1/PAD[2]
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)
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// SPI on the PyGamer.
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var (
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SPI0 = SPI{
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Bus: sam.SERCOM1_SPIM,
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SERCOM: 1,
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}
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)
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// TFT SPI pins
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const (
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SPI1_SCK_PIN = PB13 // SCK: SERCOM4/PAD[1]
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SPI1_SDO_PIN = PB15 // SDO: SERCOM4/PAD[3]
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SPI1_SDI_PIN = NoPin
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)
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// TFT SPI on the PyGamer.
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var (
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SPI1 = SPI{
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Bus: sam.SERCOM4_SPIM,
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SERCOM: 4,
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}
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)
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// USB CDC identifiers
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const (
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usb_STRING_PRODUCT = "Adafruit pyGamer M4"
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usb_STRING_MANUFACTURER = "Adafruit"
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)
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var (
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usb_VID uint16 = 0x239A
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usb_PID uint16 = 0x8033
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)
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