Difference between revisions of "Grove LCD RGB Backlight 16x2"

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[[Image:Grove - LCD RGB Backlight.png|thumb|300px|LCD with RGB Backlight]]
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=Links=
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*[https://wiki.seeedstudio.com/Grove-LCD_RGB_Backlight/ Seeed studio Grove LCD Backlight homepage]
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*[https://www.nxp.com/docs/en/data-sheet/PCA9632.pdf NXP PCA9632 datasheet]  (RGB Backlight control chip)
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*[[Media:AiP31068.pdf| LCD Display control chip]]
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=Eksempel på funktionalitet=
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==Display chip==
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<source lang=bash>
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#!/bin/bash
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# Hex codes found with
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#  echo Viborg | od -x --endian=big
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#  0000000 5669 626f 7267 0a00
  
  
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=Links=
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# i2cset -y <i2cBUS> <i2cADDRESS> <Control Byte> <Data byte>
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*[https://wiki.seeedstudio.com/Grove-LCD_RGB_Backlight/ Seeed studio Grove LCD Backlight homepage]
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#  Control byte bits Co RS 0 0  0 0 0 0 ( 0x80 = Co, 0x40 = RS, 0xc0 = Co and RS)
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*[https://www.nxp.com/docs/en/data-sheet/PCA9632.pdf NXP PCA9632 datasheet]
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#    Co: 0 = Last Control Byte - 1 = Another Control Byte follows
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*[https://www.newhavendisplay.com/appnotes/datasheets/LCDs/AiP31068.pdf AiP31068 datasheet]
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#    RS: 0 = Following data byte is a command - 1 = following data byte is data
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[[category:Grove]]
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#Function set 0010 1000 // 2 line mode and 5x8
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i2cset -y 2 0x3e 0x00 0x28
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#Display on/off control 0000 1110 // Diplay on cursor on blink off
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i2cset -y 2 0x3e 0x00 0x0D
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#Display clear
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i2cset -y 2 0x3e 0x00 0x01
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#Entry mode set 0000 0110
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i2cset -y 2 0x3e 0x00 0x06
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#i2cset -y 2 0x3e 0x20 0x06
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#i2cset -y 2 0x3e 0x8 0x06
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i2cset -y 2 0x3e 0x00 0x02
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# 1xxx xxxx = set DDRAM adress = 1000 0000 to 1011 1111
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#  first line (1000 0000 to 1000 1111 possible on 16 characters line) = 0x80 to 0x8f
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#  second  line (1100 0000 to 1100 1111 possible on 16 characters line) = 0xC0 to 0xCf
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i2cset -y 2 0x3e 0x00 0x84 # 5th character on line 1
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#Display Mercantec
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i2cset -y 2 0x3e 0x40 0x4d
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i2cset -y 2 0x3e 0x40 0x65
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i2cset -y 2 0x3e 0x40 0x72
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i2cset -y 2 0x3e 0x40 0x63
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i2cset -y 2 0x3e 0x40 0x61
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i2cset -y 2 0x3e 0x40 0x6e
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i2cset -y 2 0x3e 0x40 0x74
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i2cset -y 2 0x3e 0x40 0x65
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i2cset -y 2 0x3e 0x40 0x63
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#Display Viborg in middle of second line
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i2cset -y 2 0x3e 0x00 0xC5 # 5th character on line 2
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i2cset -y 2 0x3e 0x40 0x56
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i2cset -y 2 0x3e 0x40 0x69
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i2cset -y 2 0x3e 0x40 0x62
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i2cset -y 2 0x3e 0x40 0x6f
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i2cset -y 2 0x3e 0x40 0x72
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i2cset -y 2 0x3e 0x40 0x67
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</source>
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==RGB chip==
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<source lang=bash>
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#!/bin/bash
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#LED chip adresse 0x62
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#LEDOT register 0x08
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#to bit pr. LED
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#00 00 00 00
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#Set 00 00 00 01
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#Sleep mode off
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i2cset -y 2 0x62 0x0 0x0
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i2cset -y 2 0x62 0x8 0x10 # RED
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sleep 1
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i2cset -y 2 0x62 0x8 0x01 # BLUE
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sleep 1
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i2cset -y 2 0x62 0x8 0x04 # GREEN
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sleep 1
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i2cset -y 2 0x62 0x8 0x15 # RGB = White (Sort of)
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</source>
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[[category:Grove]][[Category:I2C]]

Latest revision as of 07:33, 11 April 2024

LCD with RGB Backlight

Links

Eksempel på funktionalitet

Display chip

#!/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

RGB chip

#!/bin/bash
 #LED chip adresse 0x62
 #LEDOT register 0x08
 #to bit pr. LED
 #00 00 00 00
 #Set 00 00 00 01
 #Sleep mode off
i2cset -y 2 0x62 0x0 0x0
i2cset -y 2 0x62 0x8 0x10 # RED
sleep 1
i2cset -y 2 0x62 0x8 0x01 # BLUE
sleep 1
i2cset -y 2 0x62 0x8 0x04 # GREEN
sleep 1
i2cset -y 2 0x62 0x8 0x15 # RGB = White (Sort of)
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