https://docs.khadas.com/ 2026-04-15T05:48:40+00:00 https://docs.khadas.com/ https://docs.khadas.com/ttps://docs.khadas.com/lib/tpl/dokuwiki-new/images/favicon.ico text/html 2022-09-19T04:40:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/1wire?rev=1663576843&do=diff vim4 1-wire VIM4 1-Wire Bus 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 2024-12-18T03:01:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/40pin-header?rev=1734508880&do=diff vim4 gpio-header VIM4 GPIO Header Universal GPIO 40 pins board header, used for communication between board and different external devices. Reference table Current GPIO numbers valid for vendor kernel only. Mainline linux kernel GPIO numbers will be different... text/html 2023-07-25T22:21:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/adc?rev=1690338062&do=diff VIM4 ADC Introduction This document aims to guide you on how to use the ADC (Analog-to-Digital Converter) interface on the GPIO pins of the Khadas VIM4 SBC. The ADC interface allows you to convert analog signals into digital values, providing you with flexibility to connect analog sensors and devices on the VIM4. text/html 2022-09-19T04:41:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/i2c?rev=1663576892&do=diff vim4 i2c VIM4 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 0 text/html 2024-07-04T05:20:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/i2s?rev=1720084834&do=diff VIM4 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 1 (VCC) text/html 2022-10-12T03:45:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/irq?rev=1665560755&do=diff vim4 gpio VIM4 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 2022-09-19T04:41:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/led?rev=1663576914&do=diff vim4 led VIM4 LEDs 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 2022-09-19T04:42:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/pwm?rev=1663576923&do=diff vim4 pwm VIM4 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 2024-07-04T05:25:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/spdif?rev=1720085107&do=diff VIM4 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 2023-02-14T07:30:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/spi?rev=1676377834&do=diff VIM4 SPI SPI interface can be founded on VIM4 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 2022-07-13T21:23:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/start?rev=1657761815&do=diff VIM4 GPIO gpio index text/html 2022-09-19T04:42:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/uart?rev=1663576940&do=diff VIM4 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 2022-09-19T04:42:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/wiringpi-python?rev=1663576957&do=diff VIM4 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 delayMi… text/html 2023-06-25T23:20:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim4/applications/gpio/wiringpi?rev=1687749616&do=diff VIM4 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 There are two methods here, via command line or C program.