Fix beduino command issue
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# Techage/Beduino I/O Module
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I/O modules support the following functions:
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### event
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Every signal that is sent to an I/O module triggers an event on the controller.
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Events can be queried using the `event()` function.
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If the function returns the value `1`, one or more signals have been received.
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Calling `event()` resets the event flag.
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```c
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event()
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```
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### read
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Read a value from a remote techage block.
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- *port* is the I/O module port number
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- *cmnd* is the command, like `IO_STATE` (see example code "ta_cmnd.c")
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```c
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read(port, cmnd)
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```
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### send_cmnd
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Send a command to a techage block (see [commands](https://github.com/joe7575/beduino/blob/main/BEPs/bep-005_ta_cmnd.md)).
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- *port* is the I/O module port number
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- *topic* is a number from the list of [Beduino commands](https://github.com/joe7575/beduino/blob/main/BEPs/bep-005_ta_cmnd.md)
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- *payload* is an array or a string with additional information, depending on the command. If no additional commands are required, "" can be used.
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```c
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send_cmnd(port, topic, payload)
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```
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### request_data
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Request information from a techage block (see [commands](https://github.com/joe7575/beduino/blob/main/BEPs/bep-005_ta_cmnd.md)).
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- *port* is the I/O module port number
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- *topic* is a number from the list of [Beduino commands](https://github.com/joe7575/beduino/blob/main/BEPs/bep-005_ta_cmnd.md)
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- *payload* is an array or a string with additional information, depending on the command. If no additional commands are required, "" can be used.
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- *resp* is an array for the response data. The array must be defined large enough to hold the response data.
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```c
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request_data(port, topic, payload, resp)
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```
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## Functions for TA4 Display and TA4 Display XL
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### clear_screen
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Clear the display.
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- *port* is the I/O module port number
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```c
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clear_screen(port)
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```
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### append_line
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Add a new line to the display.
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- *port* is the I/O module port number
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- *text* is the text for one line
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```c
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append_line(port, text)
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```
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### write_line
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Overwrite a text line with the given string.
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- *port* is the I/O module port number
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- *row* ist the display line/row (1-5)
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- *text* is the text for one line
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```c
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write_line(port, row, text)
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```
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@ -116,8 +116,9 @@ techage.register_node({"techage:ta3_soundblock"}, {
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end
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end,
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on_beduino_receive_cmnd = function(pos, src, topic, payload)
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print("ta3_soundblock", topic, payload[1], payload[2])
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if topic == 1 then
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if payload[1] == 0 then
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if payload[1] == 1 then
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play_predefined_sound(pos)
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return 0
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end
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