http://docs.khadas.com/ 2026-04-28T19:37:07+00:00 http://docs.khadas.com/ http://docs.khadas.com/ttp://docs.khadas.com/lib/tpl/dokuwiki-new/images/favicon.ico text/html 2022-09-19T04:49:20+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/1wire?rev=1663577360&do=diff VIM3/3L 1Wire Introduction This page introduces the usage of 1-Wire bus on 40-Pin Header. 1-Wire Information You can find the default PIN used for 1-Wire bus from the table below. PIN GPIO Name DT Overlays Node Device Node VIM1/2 text/html 2024-08-12T21:58:58+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/40pin-header?rev=1723514338&do=diff vim3 vim3l gpio-header VIM3/3L GPIO Header Reference table Linux GPIO num Name Pin Pin Name GPIO num 5V 1 21 GND 5V 2 22 PIN.A15 491 USB_DM text/html 2022-12-21T21:29:33+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/adc?rev=1671676173&do=diff VIM3/3L ADC Introduction This documentation will introduce the usage of ADC. Hardware Information The ADC is a 12-bit successive approximation register (SAR) A/D Converter. Pin SIGNAL Voltage Device Node text/html 2022-09-19T04:49:52+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/i2c?rev=1663577392&do=diff VIM3/3L I2C Introduction This page introduces the usage of I2C bus on 40-Pin Header. I2C Information I2C PIN GPIO Name DT Overlays Node Bus Number Device Node VIM1/2 I2C A 22(SCL) GPIODV_25 i2c0 text/html 2024-07-04T05:21:43+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/i2s?rev=1720084903&do=diff VIM3/3L I2S Introduction This page introduces the usage of I2S bus on 40-Pin Header. I2S Information PIN GPIO Name GPIO Number VIM3/3L 29 (BCK) PIN.A1 477 31 (DATA) PIN.A3 479 32 (LRCK) PIN.A2 478 28 (GND) GND text/html 2022-09-19T04:49:43+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/irq?rev=1663577383&do=diff VIM3/3L GPIO Interrupts Introduction The page leads you to use GPIO interrupts with the GPIO number test program on Khadas SBC. Here we use GPIOH_6 on VIM3 as an example. Hardware Connection Connect the physical pins PIN20 and PIN15 by using a DuPont line. text/html 2022-09-19T04:49:59+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/led?rev=1663577399&do=diff VIM3/3L LED Introduction This page introduces the usage of Onboard LED indicators under Linux, and leads you to control the LEDs. Device LED configurations Device Node name LED color VIM1/2 /sys/class/leds/sys_led text/html 2023-08-18T01:36:55+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/mainline-linux-table?rev=1692337015&do=diff VIM3/3L GPIO mainline Linux WIP: collect information We can control any GPIO from this table by NUM via /sys/class/gpio/gpioNUM Header PinOut GPIO num Name Pin Pin Name GPIO num 5V text/html 2022-09-19T04:50:09+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/pwm?rev=1663577409&do=diff VIM3/3L PWM Introduction This page introduces the usage of hardware PWM, and leads you to control the hardware PWM on the 40-Pin Header. PWM Reference Table PWM PIN GPIO name DT overlay node Device node VIM1 text/html 2024-07-04T05:24:49+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/spdif?rev=1720085089&do=diff VIM3/3L SPDIF Introduction This page introduces the usage of SPDIF bus on 40-Pin Header. SPDIF Information PIN GPIO Name GPIO Number VIM3/3L 13 PIN.AO10 422 VIM4 13 SPDIFOUT 420 VIM1S 13 SPDIFOUT 470 Enable SPDIF text/html 2023-02-14T07:26:16+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/spi?rev=1676377576&do=diff VIM3/3L SPI SPI interface can be founded on VIM3 GPIO header SPI Pin Pin name GPIO name DT overlay node Device node VIM3/3L SPI_B 15 SPIB_SS GPIOH_6 spi1 /dev/spidev2.1 16 SPIB_SCLK GPIOH_7 text/html 2022-07-13T23:19:20+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/start?rev=1657768760&do=diff VIM3/3L GPIO gpio index text/html 2022-09-19T04:50:23+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/uart?rev=1663577423&do=diff VIM3/3L UART Introduction This page introduces the usage of UART on 40pin-Header. UART Information UART PIN GPIO Name DT Overlays Node Device Node VIM1/2 UART_AO_B 15(RX) GPIOAO_5 uart4 /dev/ttyS4 text/html 2022-09-19T04:51:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/wiringpi-python?rev=1663577462&do=diff VIM3/3L WiringPi Python WiringPi-Python Function List //GPIO class GPIO(object): def __init__(self,pinmode=0): self.MODE=pinmode if pinmode==self.WPI_MODE_PINS: wiringPiSetup() if pinmode==self.WPI_MODE_GPIO: wiringPiSetupGpio() if pinmode==self.WPI_MODE_GPIO_SYS: wiringPiSetupSys() if pinmode==self.WPI_MODE_PHYS: wiringPiSetupPhys() if pinmode==self.WPI_MODE_PIFACE: wiringPiSetupPiFace() def delay(self,*args): delay(*args) def dela… text/html 2023-06-25T23:20:34+00:00 Anonymous (anonymous@undisclosed.example.com) http://docs.khadas.com/products/sbc/vim3/applications/gpio/wiringpi?rev=1687749634&do=diff VIM3/3L WiringPi Introduction WiringPi is a C++ library for Raspberry Pi, we port it to Khadas SBC, With this library you can use many of the functionalities provided by the GPIO header: digital pins, SPI, I2C, UART, etc. WiringPi Instructions