26 lines
918 B
C
26 lines
918 B
C
// Enable or disable the use of a display shield designed for use on
|
|
// an Arduino Uno (or compatible) on an Arduino Mega
|
|
//
|
|
// ** Currently only available for 8bit display shields **
|
|
//
|
|
// Uncomment the following line to enable this feature
|
|
//#define USE_UNO_SHIELD_ON_MEGA 1
|
|
//********************************************************************
|
|
|
|
// *** Hardwarespecific defines ***
|
|
#define cbi(reg, bitmask) *reg &= ~bitmask
|
|
#define sbi(reg, bitmask) *reg |= bitmask
|
|
#define pulse_high(reg, bitmask) sbi(reg, bitmask); cbi(reg, bitmask);
|
|
#define pulse_low(reg, bitmask) cbi(reg, bitmask); sbi(reg, bitmask);
|
|
|
|
#define cport(port, data) port &= data
|
|
#define sport(port, data) port |= data
|
|
|
|
#define swap(type, i, j) {type t = i; i = j; j = t;}
|
|
|
|
#define fontbyte(x) pgm_read_byte(&cfont.font[x])
|
|
|
|
#define regtype volatile uint8_t
|
|
#define regsize uint8_t
|
|
#define bitmapdatatype unsigned int*
|