Digilent 410-216P-KIT - Manual (Page 11)

chipKIT Basic I/O Shield Reference Manual
www.digilentinc.com page 11 of 15
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Display Controller Initialization
The following function performs initialization of the display controller on the display panel. This
performs the power up sequence on the display and initializes it for a non-interleaved display buffer
with the origin in the upper left corner.
/* ------------------------------------------------------------ */
/*** OledDspInit
**
**
Parameters:
** none
**
**
Return Value:
** none
**
**
Errors:
** none
**
**
Description:
** Initialize the OLED display controller and turn the display on.
*/
void
OledDspInit()
{
/* We're going to be sending commands, so clear the Data/Cmd bit
*/
PORTClearBits(prtDataCmd, bitDataCmd);
/* Start by turning VDD on and wait a while for the power to come up.
*/
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.
*/