{{:beckmann-und-egle-100.png}}

This driver supports the serial "Mini-Terminals" made by [[http://www.bue.de|Beckmann+Egle]]:

{{:mt20x4-kit.jpg}}

With LCD4Linux-0.10, the new [[http://www.bue.de/produkte-und-dienstleistungen/ct.html|CompactTerminals]] are supported, too:

{{:ct20x4.jpg}}

These controllers provide a lot of additional features, and my be extended with various modules: (from left to right: key module, I/O module, LAN module)

{{:xm-key2x4.jpg)]] [[:[Image(xm-io.jpg)]]] [[Image(xm-net-a.jpg}}

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===== Display Section =====


<code>
Display <name> {
    Driver 'Beckmann+Egle'
    Model     <string>
    Port      <string>
    Speed     <number>
    Contrast  <number>
    Backlight <0|1>
    Icons     <number>
}
</code>


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===== Parameters =====

|**Driver**|'Beckmann+Egle'|
|**Model**|see below|
|**Size**|the CT20x4 can control smaller displays, too. In this case specify <rows>x<columns> here (e.g. "16x2")|
|**Port**|serial device the display is attached to (e.g.'/dev/ttyS2')|
|**Speed**|the baud rate from the display must match this value. Possible values are 1200, 2400, 4800, 9600, 19200, 38400 and 115200|
|**Contrast**|initial contrast (0..15)|
|**Backlight**|initial backlight state (0=off, 1=on)|
|**Icons**|Number of user-defined chars reserved for Icons (default: 0)|

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===== Models =====

The driver supports different displays, which can be selected with the //Model// parameter:

|**MT16x1**|!MultiTerminal 16x1|
|**MT16x2**|!MultiTerminal 16x2|
|**MT16x4**|!MultiTerminal 16x4|
|**MT20x1**|!MultiTerminal 20x1|
|**MT20x2**|!MultiTerminal 20x2|
|**MT20x4**|!MultiTerminal 20x4|
|**MT24x1**|!MultiTerminal 24x1|
|**MT24x2**|!MultiTerminal 24x2|
|**MT32x1**|!MultiTerminal 32x1|
|**MT32x2**|!MultiTerminal 32x2|
|**MT40x1**|!MultiTerminal 40x1|
|**MT40x2**|!MultiTerminal 40x2|
|**MT40x4**|!MultiTerminal 40x4|
|**CT20x4**|!CompactTerminal 20x4|

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===== Plugins =====

The driver provides the following functions (with a MultiTerminal only!):

|LCD::contrast()|return the current contrast value|
|LCD::contrast(n)|set the contrast to <n> (0..15)|
|LCD::backlight()|return the current backlight state|
|LCD::backlight(v)|switch the backlight on (v=1) or off (v=0)|
|LCD::gpo(n)|return the current state of GPO <n> (0..7)|
|LCD::gpo(n,v)|set the GPO <n> to level <v> (0..255)|
|LCD::gpi(n)|return the current state of GPI <n> (0..7)|
|LCD::adc()|return the current value of the ADC input|
|LCD::pwm(v)|set the PWM output to value <v> (0..255)|

 GPO: //General Purpose Output// \\\

 GPI: //General Purpose Input// \\\

 ADC: //Analog/Digital Converter// \\\

 PWM: //Pulse Width Modulation// \\\


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===== Example =====

<code>
Display CT20x4 {
    Driver   'Beckmann+Egle'
    Model    'CT20x4'
    Port     '/dev/tts/0'
    Size     '20x4'
    Contrast  7
    Backlight 1
    Icons     1
}
</code>


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