Digilent chipKIT Basic I/O Shield 참조 매뉴얼 - 페이지 11

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chipKIT™ Basic I/O Shield™ Reference Manual

PORTClearBits(prtVddCtrl, bitVddCtrl);

DelayMs(1);

/* Display off command

Spi2PutByte(0xAE);

/* Bring Reset low and then high

PORTClearBits(prtReset, bitReset);

DelayMs(1);

PORTSetBits(prtReset, bitReset);

/* Send the Set Charge Pump and Set Pre-Charge Period commands

Spi2PutByte(0x8D);

Spi2PutByte(0x14);

Spi2PutByte(0xD9);

Spi2PutByte(0xF1);

/* Turn on VCC and wait 100ms

PORTClearBits(prtVbatCtrl, bitVbatCtrl);

DelayMs(100);

/* Send the commands to invert the display. This puts the display origin

** in the upper left corner.

Spi2PutByte(0xA1);

Spi2PutByte(0xC8);

/* Send the commands to select sequential COM configuration. This makes the

** display memory non-interleaved.

Spi2PutByte(0xDA);

Spi2PutByte(0x20);

/* Send Display On command

Spi2PutByte(0xAF);

}

Display Memory Update

This function copies the contents of a 512-byte buffer from PIC32 memory to the display. The display memory is

organized as four pages of 128 bytes each. Each memory page corresponds to an 8-pixel-high stripe across the

display. Each byte in the memory page corresponds to an 8-pixel-high column on the display. The least significant

bit in a display byte is the top most pixel, and the most significant bit the bottom most pixel. The first byte in the

page corresponds to the left most pixels on the display and the last byte the right most pixels.

This function assumes that the display buffer to be copied is the global variable

/* ------------------------------------------------------------ */

/*** OledUpdate

Parameters:

none

Return Value:

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//remap columns

//remap the rows

//set COM configuration command

//sequential COM, left/right remap enabled

rgbOledBmp

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