Qiming cloud sharing | ESP32 learning notes reference RTC_GPIO operation and troubleshooting
Tip: as a partner of Espressif in Greater China and a partner of sigmastar VAD, we not only carefully sorted out the problems you may encounter in the development process, but also a concise tutorial to get started quickly for the reference of development partners. At the same time, it also carefully sorted out the main characteristics and appl ...
Added by Rangel on Thu, 03 Mar 2022 04:29:52 +0200
LED Driver Based on GPIO subsystem
1, Writing ideas
GPIO is like I2C and UART. To use a pin, you need to configure the pin as GPIO function. This requires the Pinctrl subsystem, which only needs to be specified in the device tree.
You don't need to do anything on the driver code. GPIO itself needs to determine the pin, which also needs to be specified in the device tree.The de ...
Added by Afser on Sun, 09 Jan 2022 05:04:35 +0200
Principle analysis and pin reuse of NXP i.MX6 GPIO
Project scenario:
Reuse the GPIO pin on the overlooking electronic TW-IMX6DL-EVM development board and share its principle.
Compilation environment and development package: host: Ubuntu 18.04 Cross compiler: arm linux gnueabihf GCC Development board: TW-IMX6DL-EVM Linux: Linux-4.1.15
Note: all commands in this article refer to the path of ...
Added by chriztofur on Tue, 12 Oct 2021 08:38:43 +0300