45 lines
1.5 KiB
Bash
Executable File
45 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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# STLcd
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# Virtual Serial Port API Example
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# Jacob Alexander 2015
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# XXX Set this to match your virtual serialport
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# TODO Show examples for Mac OSX and Cygwin/Windows
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SERIALPORT=/dev/ttyACM0
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# NOTE: Make sure you don't write too quickly to the serial port, it can get overwhelmed by a modern computer
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# Generally this just means commands will get ignored
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# I'm using 100 ms sleeps here, but much smaller are probably sufficient
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# Clear out cli buffer
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printf "\r" > $SERIALPORT
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# Change backlight color
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# 3 16-bit numbers (hex or decimal) Red, Green and Blue
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sleep 0.1
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printf "lcdColor 0x100 0x2000 0x4000\r" > $SERIALPORT # Light blue
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# Change the lcd image
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# Arguments:
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# - page
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# - starting address
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# - pixels (1 bit per pixel)
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#
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# There are 9 total pages of display memory, but only 4 are visable at time (it is possible to scroll though)
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# Each page is 128 bits wide (16 bytes)
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# See the datasheet for full details http://www.newhavendisplay.com/specs/NHD-C12832A1Z-FSRGB-FBW-3V.pdf
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sleep 0.1
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printf "lcdDisp 0x0 0x0 0xFF 0x13 0xFF 0x11 0xFF\r" > $SERIALPORT
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sleep 0.1
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printf "lcdDisp 0x1 0x10 0xFF 0x13 0xFF 0x11 0xFF 0x44\r" > $SERIALPORT
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sleep 0.1
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printf "lcdDisp 0x2 0x20 0xFF 0x13 0xFF 0x11 0xFF\r" > $SERIALPORT
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sleep 0.1
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printf "lcdDisp 0x3 0x30 0xFF 0x13 0xFF 0x11 0xFF\r" > $SERIALPORT
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# Send command directly to the lcd
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# See the datasheet for full details http://www.newhavendisplay.com/specs/NHD-C12832A1Z-FSRGB-FBW-3V.pdf
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sleep 0.1
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printf "lcdCmd 0xA7\r" > $SERIALPORT # Reverse display (0xA6 is Normal)
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