Synopsis

typedef struct {
  CTL_GFX_DRIVER_t core;
  unsigned char frame[];
  int row;
  int frequency;
  int polarity;
  PLATFORM_HOOK_t hook;
} CISECO_LED_MATRIX_SHIELD_t;

Description

CISECO_LED_MATRIX_SHIELD_t holds the instance data required to run the touch shield.

Structure

core

Core graphics driver.

frame

The 8x8 frame buffer.

row

Private data that holds the current scan row.

frequency

Private data that holds the scan line frequency.

polarity

Private data that holds the display polarity (white on black, black on white).

hook

Private data that hooks the high frequency timer to refresh the display.