chipKIT Basic I/O Shield Reference Manual
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
#define
#define
#define
#define
#define
#define
#define
prtVddCtrl
prtVbatCtrl
prtDataCmd
prtReset
bitVddCtrl
bitVbatCtrl
bitDataCmd
bitReset
IOPORT_F
IOPORT_F
IOPORT_F
IOPORT_G
BIT_6
BIT_5
BIT_4
BIT_9
/* ------------------------------------------------------------ */
/* Symbols describing the geometry of the display.
#define
#define
#define
#define
cbOledDispMax
ccolOledMax
crowOledMax
cpagOledMax
512
128
32
4
//max number of bytes in display buffer
//number of display columns
//number of display rows
//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];
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