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framework-arduinoteensy-cxx20
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PlatformIO package of the Teensy core framework compatible with GCC 10 & C++20
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framework-arduinoteensy-cxx20/libraries/UTFT/hardware/avr/HW_AVR_defines.h

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  1. // Enable or disable the use of a display shield designed for use on 

  2. // an Arduino Uno (or compatible) on an Arduino Mega

  3. //

  4. // ** Currently only available for 8bit display shields **

  5. //

  6. // Uncomment the following line to enable this feature

  7. //#define USE_UNO_SHIELD_ON_MEGA 1

  8. //********************************************************************

  9. 

  10. // *** Hardwarespecific defines ***

  11. #define cbi(reg, bitmask) *reg &= ~bitmask

  12. #define sbi(reg, bitmask) *reg |= bitmask

  13. #define pulse_high(reg, bitmask) sbi(reg, bitmask); cbi(reg, bitmask);

  14. #define pulse_low(reg, bitmask) cbi(reg, bitmask); sbi(reg, bitmask);

  15. 

  16. #define cport(port, data) port &= data

  17. #define sport(port, data) port |= data

  18. 

  19. #define swap(type, i, j) {type t = i; i = j; j = t;}

  20. 

  21. #define fontbyte(x) pgm_read_byte(&cfont.font[x])  

  22. 

  23. #define regtype volatile uint8_t

  24. #define regsize uint8_t

  25. #define bitmapdatatype unsigned int*