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MAX1233/MAX1234觸摸屏控制器入門

作者： 時間：2012-03-17 來源：網(wǎng)絡(luò) 收藏 
T R B2
Test Read BAT2 register
0x8006 0x0000
T R DC
Test Read DAC_control register
0x8042 0x0000
T R DD
Test Read DAC_data register
0x800b 0x0000
T R GC
Test Read GPIO_control register
0x804f 0x0000
T R GD
Test Read GPIO_data register
0x800f 0x0000
T R GP
Test Read GPIO_pullup register
0x804e 0x0000
T R K1
Test Read KPDATA1 register
0x8010 0x0000
T R K2
Test Read KPDATA2 register
0x8011 0x0000
T R KB
Test Read KPD register
0x8004 0x0000
T R KC
Test Read KEY_control register
0x8041 0x0000
T R KK
Test Read KPCOLMASK register
0x8051 0x0000
T R KM
Test Read KPKEYMASK register
0x8050 0x0000
T R T1
Test Read TEMP1 register
0x8009 0x0000
T R T2
Test Read TEMP2 register
0x800a 0x0000

表21. 寫入寄存器助記符 
DEMO1234 Command
Mnemonic
SPI data in
T W AC hexValue
Test Write ADC_control register
0x0040 hexValue
T W DC hexValue
Test Write DAC_control register
0x0042 hexValue
T W DD hexValue
Test Write DAC_data register
0x000b hexValue
T W GC hexValue
Test Write GPIO_control register
0x004f hexValue
T W GD hexValue
Test Write GPIO_data register
0x000f hexValue
T W GP hexValue
Test Write GPIO_pullup register
0x004e hexValue
T W KC hexValue
Test Write KEY_control register
0x0041 hexValue
T W KK hexValue
Test Write KPCOLMASK register
0x0051 hexValue
T W KM hexValue
Test Write KPKEYMASK register
0x0050 hexValue

表22. 觸摸屏測量命令序列 
DEMO1234 Command
Action (Triggered by A/D3210 Bits)
SPI data in Sequence
T M1
Measure X,Y
0x0040 0x0701
0x8000 0x0000
0x8001 0x0000
T M2
Measure X,Y,Z1,Z2
0x0040 0x0b01
0x8000 0x0000
0x8001 0x0000
0x8002 0x0000
0x8003 0x0000
T M3
Measure X
0x0040 0x0f01
0x8000 0x0000
T M4
Measure Y
0x0040 0x1301
0x8001 0x0000
T M5
Measure Z1,Z2
0x0040 0x1701
0x8002 0x0000
0x8003 0x0000
T MD
No measurement; drive Y+,Y-
0x0040 0x3701
T ME
No measurement; drive X+,X-
0x0040 0x3b01
T MF
No measurement; drive Y+,X-
0x0040 0x3f01

6.2) 中斷和狀態(tài)引腳命令

表23. 引腳狀態(tài)讀取命令 
DEMO1234 Command
Action
SPI data in
P R 5
Read KEYIRQ-bar pin statusN/A
I C 0 3
Enable KEYIRQ-bar falling-edge trigger pulse accumulatorN/A
I C 0 1
Enable KEYIRQ-bar rising-edge trigger pulse accumulatorN/A
I C 0 0
Disable KEYIRQ-bar pulse accumulatorN/A
I R 0
Read the number of times KEYIRQ-bar has pulsed lowN/A
I 0 0
Clear the KEYIRQ-bar pulse accumulatorN/A
P R 6
Read PENIRQ-bar pin statusN/A
I C 1 3
Enable PENIRQ-bar falling-edge trigger pulse accumulatorN/A
I C 1 1
Enable PENIRQ-bar rising-edge trigger pulse accumulatorN/A
I C 1 0
Disable PENIRQ-bar pulse accumulatorN/A
I R 1
Read the number of times PENIRQ-bar has pulsed lowN/A
I 0 1
Clear the PENIRQ-bar pulse accumulatorN/A
P R 7
Read BUSY-bar pin statusN/A

6.3) 加入到更新后的MINIQUSB+固件中的命令

表24. 更新后MINIQUSB+固件01.05.40支持的SPI命令

關(guān)鍵詞： MAX1233 MAX1234 觸摸屏 控制器

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    DEMO1234 Command
    		ActionCPOLCPHACS-Bar ControlAF Length
    S C L0
    		Configure SPI for CPOL=00—GPIO-K91 byte
    S C L1
    		Configure SPI for CPOL=11—GPIO-K91 byte
    S C A0
    		Configure SPI for CPHA=0—0GPIO-K91 byte
    S C A1
    		Configure SPI for CPHA=1—1GPIO-K91 byte
    S C C0
    		Configure SPI for 8-bit——GPIO-K91 byte
    S C C1
    		Configure SPI for 8-bit auto-CS-bar——Automatic1 byte
    S C C2
    		Configure SPI for 16-bit auto-CS-bar——Automatic2 bytes
    S C C3
    		Configure SPI for 24-bit auto-CS-bar——Automatic3 bytes
    S C C4
    		Configure SPI for 32-bit auto-CS-bar——Automatic4 bytes
    $ 2 AE 00
    		Configure SPI for 8-bit00GPIO-K91 byte
    $ 2 AE 01
    		Configure SPI for 8-bit01GPIO-K91 byte
    $ 2 AE 02
    		Configure SPI for 8-bit10GPIO-K91 byte
    $ 2 AE 03
    		Configure SPI for 8-bit11GPIO-K91 byte
    $ 2 AE 08
    		Configure SPI for 8-bit auto-CS-bar00Automatic1 byte
    $ 2 AE 09
    		Configure SPI for 8-bit auto-CS-bar01Automatic1 byte
    $ 2 AE 0A
    		Configure SPI for 8-bit auto-CS-bar10Automatic1 byte
    $ 2 AE 0B
    		Configure SPI for 8-bit auto-CS-bar11Automatic1 byte
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