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https://github.com/DCC-EX/CommandStation-EX.git
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38be1d6152
* Refactor SSD and LCD drivers Rework display drivers to use inheritance and to remove unused functionality. The changes here were previously in neil-hal branch but have been separated out because of the amount of changes in neil-hal. * Update version.h
36 lines
964 B
C
36 lines
964 B
C
#ifndef FSH_h
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#define FSH_h
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/* This is an architecture support file to manage the differences
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* between the nano/uno.mega and the later nanoEvery, unoWifiRev2 etc
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*
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* IMPORTANT:
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* To maintain portability the main code should NOT contain ANY references
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* to the following:
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*
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* __FlashStringHelper Use FSH instead.
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* PROGMEM use FLASH instead
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* pgm_read_byte_near use GETFLASH instead.
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* pgm_read_word_near use GETFLASHW instead.
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*
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*/
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#include <Arduino.h>
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#if defined(ARDUINO_ARCH_MEGAAVR)
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#ifdef F
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#undef F
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#endif
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#define F(str) (str)
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typedef char FSH;
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#define GETFLASH(addr) (*(const unsigned char *)(addr))
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#define GETFLASHW(addr) (*(const unsigned short *)(addr))
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#define FLASH
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#define strlen_P strlen
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#define strcpy_P strcpy
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#else
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typedef __FlashStringHelper FSH;
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#define GETFLASH(addr) pgm_read_byte_near(addr)
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#define GETFLASHW(addr) pgm_read_word_near(addr)
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#define FLASH PROGMEM
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#endif
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#endif
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