bone

Documentation

Overview

Package bone implements headers J1, P8 and P9 found on many (but not all) BeagleBone micro-computer.

In particular, the headers are found on the models using a TI AM335x processor: BeagleBone Black, Black Wireless, Green and Green Wireless.

Reference

http://beagleboard.org/Support/bone101/#hardware

Index

• Variables
• func Present() bool

Variables

var (
	PWR_BUT   = &pin.BasicPin{N: "PWR_BUT"}   //
	RESET_OUT = &pin.BasicPin{N: "RESET_OUT"} // SYS_RESETn
	VADC      = &pin.BasicPin{N: "VADC"}      // VDD_ADC
	AIN4      = &pin.BasicPin{N: "AIN4"}      // AIN4
	AGND      = &pin.BasicPin{N: "AGND"}      // GNDA_ADC
	AIN6      = &pin.BasicPin{N: "AIN6"}      // AIN6
	AIN5      = &pin.BasicPin{N: "AIN5"}      // AIN5
	AIN2      = &pin.BasicPin{N: "AIN2"}      // AIN2
	AIN3      = &pin.BasicPin{N: "AIN3"}      // AIN3
	AIN0      = &pin.BasicPin{N: "AIN0"}      // AIN0
	AIN1      = &pin.BasicPin{N: "AIN1"}      // AIN1
)

Common pin types on BeagleBones.

var (
	// Port J1 is the UART port where the default terminal is connected to.
	J1_1 pin.Pin    = pin.GROUND
	J1_2 pin.Pin    = pin.INVALID
	J1_3 pin.Pin    = pin.INVALID
	J1_4 gpio.PinIO = gpio.INVALID // GPIO42, UART0_RX
	J1_5 gpio.PinIO = gpio.INVALID // GPIO43, UART0_TX
	J1_6 pin.Pin    = pin.INVALID

	P8_1  pin.Pin    = pin.GROUND
	P8_2  pin.Pin    = pin.GROUND
	P8_3  gpio.PinIO = gpio.INVALID // GPIO38, MMC1_DAT6
	P8_4  gpio.PinIO = gpio.INVALID // GPIO39, MMC1_DAT7
	P8_5  gpio.PinIO = gpio.INVALID // GPIO34, MMC1_DAT2
	P8_6  gpio.PinIO = gpio.INVALID // GPIO35, MMC1_DAT3
	P8_7  gpio.PinIO = gpio.INVALID // GPIO66, Timer4
	P8_8  gpio.PinIO = gpio.INVALID // GPIO67, Timer7
	P8_9  gpio.PinIO = gpio.INVALID // GPIO69, Timer5
	P8_10 gpio.PinIO = gpio.INVALID // GPIO68, Timer6
	P8_11 gpio.PinIO = gpio.INVALID // GPIO45,
	P8_12 gpio.PinIO = gpio.INVALID // GPIO44,
	P8_13 gpio.PinIO = gpio.INVALID // GPIO23, EHRPWM2B
	P8_14 gpio.PinIO = gpio.INVALID // GPIO26,
	P8_15 gpio.PinIO = gpio.INVALID // GPIO47,
	P8_16 gpio.PinIO = gpio.INVALID // GPIO46,
	P8_17 gpio.PinIO = gpio.INVALID // GPIO27,
	P8_18 gpio.PinIO = gpio.INVALID // GPIO65,
	P8_19 gpio.PinIO = gpio.INVALID // GPIO22, EHRPWM2A
	P8_20 gpio.PinIO = gpio.INVALID // GPIO63, MMC1_CMD
	P8_21 gpio.PinIO = gpio.INVALID // GPIO62, MMC1_CLK
	P8_22 gpio.PinIO = gpio.INVALID // GPIO37, MMC1_DAT5
	P8_23 gpio.PinIO = gpio.INVALID // GPIO36, MMC1_DAT4
	P8_24 gpio.PinIO = gpio.INVALID // GPIO33, MMC1_DAT1
	P8_25 gpio.PinIO = gpio.INVALID // GPIO32, MMC1_DAT0
	P8_26 gpio.PinIO = gpio.INVALID // GPIO61,
	P8_27 gpio.PinIO = gpio.INVALID // GPIO86, LCD_VSYNC
	P8_28 gpio.PinIO = gpio.INVALID // GPIO88, LCD_PCLK
	P8_29 gpio.PinIO = gpio.INVALID // GPIO87, LCD_HSYNC
	P8_30 gpio.PinIO = gpio.INVALID // GPIO89, LCD_AC_BIAS_E
	P8_31 gpio.PinIO = gpio.INVALID // GPIO10, LCD_DATA14, UART4_CTSn+
	P8_32 gpio.PinIO = gpio.INVALID // GPIO11, LCD_DATA15, UART5_RTSn
	P8_33 gpio.PinIO = gpio.INVALID // GPIO9, LCD_DATA13, UART4_RTSn
	P8_34 gpio.PinIO = gpio.INVALID // GPIO81, LCD_DATA11, EHRPWM1B, UART3_RTSn
	P8_35 gpio.PinIO = gpio.INVALID // GPIO8, LCD_DATA12, UART4_CTSn
	P8_36 gpio.PinIO = gpio.INVALID // GPIO80, LCD_DATA10, EHRPWM1A, UART3_CTSn
	P8_37 gpio.PinIO = gpio.INVALID // GPIO78, LCD_DATA8, UART5_TXD+
	P8_38 gpio.PinIO = gpio.INVALID // GPIO79, LCD_DATA9, UART5_RXD+
	P8_39 gpio.PinIO = gpio.INVALID // GPIO76, LCD_DATA6
	P8_40 gpio.PinIO = gpio.INVALID // GPIO77, LCD_DATA7
	P8_41 gpio.PinIO = gpio.INVALID // GPIO74, LCD_DATA4
	P8_42 gpio.PinIO = gpio.INVALID // GPIO75, LCD_DATA5
	P8_43 gpio.PinIO = gpio.INVALID // GPIO72, LCD_DATA2
	P8_44 gpio.PinIO = gpio.INVALID // GPIO73, LCD_DATA3
	P8_45 gpio.PinIO = gpio.INVALID // GPIO70, LCD_DATA0, EHRPWM2A
	P8_46 gpio.PinIO = gpio.INVALID // GPIO71, LCD_DATA1, EHRPWM2B

	P9_1  pin.Pin    = pin.GROUND
	P9_2  pin.Pin    = pin.GROUND
	P9_3  pin.Pin    = pin.V3_3
	P9_4  pin.Pin    = pin.V3_3
	P9_5  pin.Pin    = pin.V5
	P9_6  pin.Pin    = pin.V5
	P9_7  pin.Pin    = pin.V5
	P9_8  pin.Pin    = pin.V5
	P9_9  pin.Pin    = PWR_BUT      // PWR_BUT
	P9_10 pin.Pin    = RESET_OUT    // SYS_RESETn
	P9_11 gpio.PinIO = gpio.INVALID // GPIO30, UART4_RXT
	P9_12 gpio.PinIO = gpio.INVALID // GPIO60
	P9_13 gpio.PinIO = gpio.INVALID // GPIO31, UART4_TXD
	P9_14 gpio.PinIO = gpio.INVALID // GPIO50, EHRPWM1A
	P9_15 gpio.PinIO = gpio.INVALID // GPIO48
	P9_16 gpio.PinIO = gpio.INVALID // GPIO51, EHRPWM1B
	P9_17 gpio.PinIO = gpio.INVALID // GPIO5, I2C1_SCL, SPI0_CS0
	P9_18 gpio.PinIO = gpio.INVALID // GPIO4, I2C1_SDA, SPI0_DI
	P9_19 gpio.PinIO = gpio.INVALID // GPIO13, I2C2_SCL, UART1_RTSn, SPI1_CS1
	P9_20 gpio.PinIO = gpio.INVALID // GPIO12, I2C2_SDA, UART1_CTSn, SPI1_CS0
	P9_21 gpio.PinIO = gpio.INVALID // GPIO3, EHRPWM0B, I2C2_SCL, UART2_TXD, SPI0_DO
	P9_22 gpio.PinIO = gpio.INVALID // GPIO2, EHRPWM0A, I2C2_SDA, UART2_RXD, SPI0_SCLK
	P9_23 gpio.PinIO = gpio.INVALID // GPIO49
	P9_24 gpio.PinIO = gpio.INVALID // GPIO15, I2C1_SCL, UART1_TXD
	P9_25 gpio.PinIO = gpio.INVALID // GPIO117
	P9_26 gpio.PinIO = gpio.INVALID // GPIO14, I2C1_SDA, UART1_RXD
	P9_27 gpio.PinIO = gpio.INVALID // GPIO115
	P9_28 gpio.PinIO = gpio.INVALID // GPIO113, ECAPPWM2, SPI1_CS0
	P9_29 gpio.PinIO = gpio.INVALID // GPIO111, EHRPWM0B, SPI1_DO
	P9_30 gpio.PinIO = gpio.INVALID // GPIO112, SPI1_DI
	P9_31 gpio.PinIO = gpio.INVALID // GPIO110, EHRPWM0A, SPI1_SCLK
	P9_32 pin.Pin    = VADC         // VDD_ADC
	P9_33 pin.Pin    = AIN4         // AIN4
	P9_34 pin.Pin    = AGND         // GNDA_ADC
	P9_35 pin.Pin    = AIN6         // AIN6
	P9_36 pin.Pin    = AIN5         // AIN5
	P9_37 pin.Pin    = AIN2         // AIN2
	P9_38 pin.Pin    = AIN3         // AIN3
	P9_39 pin.Pin    = AIN0         // AIN0
	P9_40 pin.Pin    = AIN1         // AIN1
	P9_41 gpio.PinIO = gpio.INVALID // GPIO20
	P9_42 gpio.PinIO = gpio.INVALID // GPIO7, ECAPPWM0, UART3_TXD, SPI1_CS1
	P9_43 pin.Pin    = pin.GROUND
	P9_44 pin.Pin    = pin.GROUND
	P9_45 pin.Pin    = pin.GROUND
	P9_46 pin.Pin    = pin.GROUND
)

Headers found on BeagleBones.

Functions

func Present

func Present() bool

Present returns true if the host is a BeagleBone Black/Green or their Wireless version.