HP6060B

HP 6060B 3-60V/0-60A 300W SYSTEM DC ELECTRONIC LOAD Graphic LCD Bridge

/*

$Id: main.c 3:06 PM 11/28/2019 ssk $
HP 6060B Graphic LCD .
MIT License
Copyright (c) 2019 ssk.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

*/

* The command was originally 10bits LSB First,
* but since the first 2 bits are always 0 and atmel SPI is 8bit system
* Accordingly 8Bits is used here
* +-----+--------------+------------------+---------------+
* |SYNC#|command field |10bit(originally) |8bit(used hear)|
* +-----+--------------+-----+------------+----------+----+
* |    0|Select LCD    |0x3f0|0b1111110000|0b11111100|0xfc|
* |    1|Unknown       |0x2e0|0b1011100000|0b10111000|0xb8|
* |    2|A Register    |0x028|0b0000101000|0b00001010|0x0a|
* |    3|B Register    |0x068|0b0001101000|0b00011010|0x1a|
* |    4|Annunciator   |0x2f0|0b1011110000|0b10111100|0xbc|
* |    5|C Register    |0x0a8|0b0010101000|0b00101010|0x2a|
* |    6|Display On/Off|0x320|0b1100100000|0b11001000|0xc8|
* +-----+--------------+------------------+---------------+
* Remembering that bits are transmitted from least significant bit (LSB) to most significant bit (MSB),
* aka. LSB First