github.com/tinygo-org/tinygo@v0.31.3-0.20240404173401-90b0bf646c27/src/machine/board_pybadge.go (about)

     1  //go:build pybadge
     2  
     3  package machine
     4  
     5  // used to reset into bootloader
     6  const resetMagicValue = 0xf01669ef
     7  
     8  // GPIO Pins
     9  const (
    10  	D0  = PB17 // UART0 RX/PWM available
    11  	D1  = PB16 // UART0 TX/PWM available
    12  	D2  = PB03
    13  	D3  = PB02
    14  	D4  = PA14 // PWM available
    15  	D5  = PA16 // PWM available
    16  	D6  = PA18 // PWM available
    17  	D7  = PB14
    18  	D8  = PA15 // built-in neopixel
    19  	D9  = PA19 // PWM available
    20  	D10 = PA20 // can be used for PWM or UART1 TX
    21  	D11 = PA21 // can be used for PWM or UART1 RX
    22  	D12 = PA22 // PWM available
    23  	D13 = PA23 // PWM available
    24  )
    25  
    26  // Analog pins
    27  const (
    28  	A0 = PA02 // ADC/AIN[0]
    29  	A1 = PA05 // ADC/AIN[2]
    30  	A2 = PB08 // ADC/AIN[3]
    31  	A3 = PB09 // ADC/AIN[4]
    32  	A4 = PA04 // ADC/AIN[5]
    33  	A5 = PA06 // ADC/AIN[6]
    34  	A6 = PB01 // ADC/AIN[12]/VMEAS
    35  	A7 = PB04 // ADC/AIN[6]/LIGHT
    36  	A8 = D2   // ADC/AIN[14]
    37  	A9 = D3   // ADC/AIN[15]
    38  )
    39  
    40  const (
    41  	LED       = D13
    42  	NEOPIXELS = D8
    43  	WS2812    = D8
    44  
    45  	LIGHTSENSOR = A7
    46  
    47  	BUTTON_LATCH = PB00
    48  	BUTTON_OUT   = PB30
    49  	BUTTON_CLK   = PB31
    50  
    51  	TFT_DC   = PB05
    52  	TFT_CS   = PB07
    53  	TFT_RST  = PA00
    54  	TFT_LITE = PA01
    55  
    56  	SPEAKER_ENABLE = PA27
    57  )
    58  
    59  const (
    60  	BUTTON_LEFT_MASK   = 1
    61  	BUTTON_UP_MASK     = 2
    62  	BUTTON_DOWN_MASK   = 4
    63  	BUTTON_RIGHT_MASK  = 8
    64  	BUTTON_SELECT_MASK = 16
    65  	BUTTON_START_MASK  = 32
    66  	BUTTON_A_MASK      = 64
    67  	BUTTON_B_MASK      = 128
    68  )
    69  
    70  // USBCDC pins
    71  const (
    72  	USBCDC_DM_PIN = PA24
    73  	USBCDC_DP_PIN = PA25
    74  )
    75  
    76  // UART1 pins
    77  const (
    78  	UART_TX_PIN = D1
    79  	UART_RX_PIN = D0
    80  )
    81  
    82  const (
    83  	UART2_TX_PIN = A4
    84  	UART2_RX_PIN = A5
    85  )
    86  
    87  var (
    88  	UART1 = &sercomUSART5
    89  	UART2 = &sercomUSART0
    90  
    91  	DefaultUART = UART1
    92  )
    93  
    94  // I2C pins
    95  const (
    96  	SDA_PIN = PA12 // SDA: SERCOM2/PAD[0]
    97  	SCL_PIN = PA13 // SCL: SERCOM2/PAD[1]
    98  )
    99  
   100  // I2C on the ItsyBitsy M4.
   101  var I2C0 = sercomI2CM2
   102  
   103  // SPI pins
   104  const (
   105  	SPI0_SCK_PIN = PA17 // SCK: SERCOM1/PAD[1]
   106  	SPI0_SDO_PIN = PB23 // SDO: SERCOM1/PAD[3]
   107  	SPI0_SDI_PIN = PB22 // SDI: SERCOM1/PAD[2]
   108  )
   109  
   110  // TFT SPI pins
   111  const (
   112  	SPI1_SCK_PIN = PB13 // SCK: SERCOM4/PAD[1]
   113  	SPI1_SDO_PIN = PB15 // SDO: SERCOM4/PAD[3]
   114  	SPI1_SDI_PIN = NoPin
   115  )
   116  
   117  // SPI on the PyBadge.
   118  var SPI0 = sercomSPIM1
   119  
   120  // TFT SPI on the PyBadge.
   121  var SPI1 = sercomSPIM4
   122  
   123  // USB CDC identifiers
   124  const (
   125  	usb_STRING_PRODUCT      = "Adafruit pyBadge M4"
   126  	usb_STRING_MANUFACTURER = "Adafruit"
   127  )
   128  
   129  var (
   130  	usb_VID uint16 = 0x239A
   131  	usb_PID uint16 = 0x8033
   132  )
   133  
   134  // NINA-W102 settings when using AirLift WiFi FeatherWing
   135  const (
   136  	NINA_BAUDRATE         = 115200
   137  	NINA_RESET_INVERTED   = true
   138  	NINA_SOFT_FLOWCONTROL = true
   139  )
   140  
   141  const (
   142  	NINA_CS     = D13
   143  	NINA_ACK    = D11
   144  	NINA_GPIO0  = D10
   145  	NINA_RESETN = D12
   146  
   147  	// pins used for the ESP32 connection do not allow hardware
   148  	// flow control, which is required. have to emulate with software.
   149  	NINA_TX  = UART_TX_PIN
   150  	NINA_RX  = UART_RX_PIN
   151  	NINA_CTS = NINA_ACK
   152  	NINA_RTS = NINA_GPIO0
   153  
   154  	NINA_SDO = SPI0_SDO_PIN
   155  	NINA_SDI = SPI0_SDI_PIN
   156  	NINA_SCK = SPI0_SCK_PIN
   157  )
   158  
   159  var (
   160  	NINA_SPI  = SPI0
   161  	UART_NINA = UART1
   162  )