cd01bfe0ed
The example scripts include hardcoded values that do not work for everyone. Instead of requiring the files to be edited (and dirtying the git tree), allow them to take command-line arguments. Also adds better guidance for Mac OSX virtual serial ports.
51 line
1.7 KiB
Bash
Executable File
51 line
1.7 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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if [ $# -eq 0 ]; then
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echo "You must specify your virtual serialport. (/dev/ttyACM0 on linux, /dev/cu.usbmodemXXXX on OSX)"
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echo " ex: $0 /dev/ttyACM0"
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exit 1
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fi
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# XXX Set this to match your virtual serialport
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# TODO Show example for Cygwin/Windows
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# For Mac OSX it will be something like /dev/cu.usbmodem1413 (number may differ)
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SERIALPORT=$1
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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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