Difference between revisions of "Grove LCD RGB Backlight 16x2"
From Teknologisk videncenter
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| − | [[Image:Grove - LCD RGB Backlight.png|thumb| | + | [[Image:Grove - LCD RGB Backlight.png|thumb|300px|LCD with RGB Backlight]] |
| + | =Links= | ||
| + | *[https://wiki.seeedstudio.com/Grove-LCD_RGB_Backlight/ Seeed studio Grove LCD Backlight homepage] | ||
| + | *[https://www.nxp.com/docs/en/data-sheet/PCA9632.pdf NXP PCA9632 datasheet] (RGB Backlight control chip) | ||
| + | *[https://www.newhavendisplay.com/appnotes/datasheets/LCDs/AiP31068.pdf AiP31068 datasheet] (LCD Display control chip) | ||
=Eksempel på funktionalitet= | =Eksempel på funktionalitet= | ||
<source lang=bash> | <source lang=bash> | ||
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i2cset -y 2 0x3e 0x40 0x67 | i2cset -y 2 0x3e 0x40 0x67 | ||
</source> | </source> | ||
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[[category:Grove]] | [[category:Grove]] | ||
Revision as of 08:20, 8 April 2022
Links
- Seeed studio Grove LCD Backlight homepage
- NXP PCA9632 datasheet (RGB Backlight control chip)
- AiP31068 datasheet (LCD Display control chip)
Eksempel på funktionalitet
#!/bin/bash
# Hex codes found with
# echo Viborg | od -x --endian=big
# 0000000 5669 626f 7267 0a00
# i2cset -y <i2cBUS> <i2cADDRESS> <Control Byte> <Data byte>
# Control byte bits Co RS 0 0 0 0 0 0 ( 0x80 = Co, 0x40 = RS, 0xc0 = Co and RS)
# Co: 0 = Last Control Byte - 1 = Another Control Byte follows
# RS: 0 = Following data byte is a command - 1 = following data byte is data
#Function set 0010 1000 // 2 line mode and 5x8
i2cset -y 2 0x3e 0x00 0x28
#Display on/off control 0000 1110 // Diplay on cursor on blink off
i2cset -y 2 0x3e 0x00 0x0D
#Display clear
i2cset -y 2 0x3e 0x00 0x01
#Entry mode set 0000 0110
i2cset -y 2 0x3e 0x00 0x06
#i2cset -y 2 0x3e 0x20 0x06
#i2cset -y 2 0x3e 0x8 0x06
i2cset -y 2 0x3e 0x00 0x02
# 1xxx xxxx = set DDRAM adress = 1000 0000 to 1011 1111
# first line (1000 0000 to 1000 1111 possible on 16 characters line) = 0x80 to 0x8f
# second line (1100 0000 to 1100 1111 possible on 16 characters line) = 0xC0 to 0xCf
i2cset -y 2 0x3e 0x00 0x84 # 5th character on line 1
#Display Mercantec
i2cset -y 2 0x3e 0x40 0x4d
i2cset -y 2 0x3e 0x40 0x65
i2cset -y 2 0x3e 0x40 0x72
i2cset -y 2 0x3e 0x40 0x63
i2cset -y 2 0x3e 0x40 0x61
i2cset -y 2 0x3e 0x40 0x6e
i2cset -y 2 0x3e 0x40 0x74
i2cset -y 2 0x3e 0x40 0x65
i2cset -y 2 0x3e 0x40 0x63
#Display Viborg in middle of second line
i2cset -y 2 0x3e 0x00 0xC5 # 5th character on line 2
i2cset -y 2 0x3e 0x40 0x56
i2cset -y 2 0x3e 0x40 0x69
i2cset -y 2 0x3e 0x40 0x62
i2cset -y 2 0x3e 0x40 0x6f
i2cset -y 2 0x3e 0x40 0x72
i2cset -y 2 0x3e 0x40 0x67