Digilent 410-216P-KIT - Manual (Page 9)

chipKIT Basic I/O Shield Reference Manual
www.digilentinc.com page 9 of 15
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Appendix B: Example Driver Code
The following gives an example of code to initialize the display controller and write the contents of a
memory buffer into the display. This example is written for the chipKIT Uno32 board.
Symbol and Variable Declarations
/* ------------------------------------------------------------ */
/* Pin definitions for access to OLED control signals on chipKIT Uno32
*/
#define
prtVddCtrl IOPORT_F
#define prtVbatCtrl IOPORT_F
#define prtDataCmd IOPORT_F
#define prtReset IOPORT_G
#define bitVddCtrl BIT_6
#define bitVbatCtrl BIT_5
#define bitDataCmd BIT_4
#define bitReset BIT_9
/* ------------------------------------------------------------ */
/* Symbols describing the geometry of the display.
#define
cbOledDispMax 512 //max number of bytes in display buffer
#define
ccolOledMax 128 //number of display columns
#define crowOledMax 32 //number of display rows
#define cpagOledMax 4 //number of display memory pages
/* ------------------------------------------------------------ */
/* This array is the off-screen frame buffer used for rendering.
** It isn't possible to read back from the OLED display device,
** so display data is rendered into this off-screen buffer and then
** copied to the display.
*/
BYTE rgbOledBmp[cbOledDispMax];