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Serial Port/en: различия между версиями
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The most convenient tool to work with the serial port from the console is ''minicom'' (available in the standard image of the Wiren Board controller). Minicom is convenient to use for working with devices that are controlled by text commands or output text messages. The examples of such devices are GSM modems (controlled by AT commands), including the GSM module built into the Wiren Board; GPS modules operating under the NMEA Protocol, etc. | The most convenient tool to work with the serial port from the console is ''minicom'' (available in the standard image of the Wiren Board controller). Minicom is convenient to use for working with devices that are controlled by text commands or output text messages. The examples of such devices are GSM modems (controlled by AT commands), including the GSM module built into the Wiren Board; GPS modules operating under the NMEA Protocol, etc. | ||
Brief instructions (we believe that we will work with the port /dev/ttyAPP0): | |||
* | * For the first time, run minicom with a key that creates a port profile (it stores the port number, data rate, parity, etc.): | ||
<pre> | <pre> | ||
$ minicom -s /dev/ttyAPP0 | $ minicom -s /dev/ttyAPP0 | ||
</pre> | </pre> | ||
* | * Go to settings (press Ctrl+A, then O), select Serial port setup, there set port /dev/ttyAPP0, speed and parity - 115200, 8N1, Hardware flow control - No, Software flow control - No | ||
* | * To save settings: Save setup as _dev_ttyAPP0 | ||
* | * Then run as: | ||
<pre> | <pre> | ||
$ minicom /dev/ttyAPP0 | $ minicom /dev/ttyAPP0 | ||
</pre> | </pre> | ||
( | (all settings will be taken from the profile name /dev/ttyAPP0 that we previously created) | ||
* | * You can now enter the data you want to send to the port. Data coming to the port from external devices will also be displayed | ||
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== modbus-client == | == modbus-client == | ||
One of the most convenient means of debugging Modbus communications from the command line of Wiren Board is the modbus-client utility. Description and examples can be found on this page [[modbus-client/en|modbus-client]]. | |||
== | == | ||
Work with serial port from your program == | |||
http://tldp.org/HOWTO/Serial-Programming-HOWTO/ | http://tldp.org/HOWTO/Serial-Programming-HOWTO/ | ||