Периферийные устройства/en: различия между версиями

Версия 17:52, 18 июля 2019

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Different screens and displays can be connected via serial interface. Connection of character screens in parallel mode is also supported.

Many displays are supported by the driver https://github.com/notro/fbtft , which is not yet integrated into the mainline kernel. List of supported driver models: https://github.com/notro/fbtft/wiki/LCD-Modules

Below is a list of screens tested with Wiren Board.

2.2’ TFT LCD: TFT01-2.2 SP from Elecfreacs and clones, 320x240 color, chip ILI9341,starting from $6.5 at retail

MOD-RS232 - TX/RX only. Connect up to two modules to the Board. The connection uses UEXT1 ( Debug UART must be disabled) and UEXT2 (cannot be used simultaneously with RS-485)
Adapters USB-RS-232. Up to two cables without using an external USB hub. Possible programmatic power supply reboot

https://www.olimex.com/Products/Modules/Interface/MOD-RS485-ISO/ galvanically isolated, full/half duplex, I2C interface, can be used in conjunction with Debug UART and RS-485. It is possible to connect more than two devices.
https://www.olimex.com/Products/Modules/Interface/MOD-RS485 - half duplex, uses UART. Up to two modules.

Подключать линии D0 и D1 считывателей к GPIO необходимо через резисторы 1-20 кОм! (на Wiren Board 2.8)
См. https://github.com/contactless/wirenboard/tree/master/examples/wiegand
См. https://github.com/contactless/wiegand-linux

@@ Строка 22: / Строка 22: @@
 * Adapters [[USB-RS-232]]. Up to two cables without using an external USB hub. Possible programmatic [[LAN951x port power control/en|power supply reboot ]]
-=== = RS-485====
+==== RS-485====
 * https://www.olimex.com/Products/Modules/Interface/MOD-RS485-ISO/ galvanically isolated, full/half duplex, I2C interface, can be used in conjunction with [[Debug UART]] and [[RS-485]]. It is possible to connect more than two devices.
 * https://www.olimex.com/Products/Modules/Interface/MOD-RS485 - half duplex, uses UART. Up to two modules.