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Improve U8G+SPI delay override (#18386)

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Co-authored-by: Scott Lahteine <github@thinkyhead.com>
This commit is contained in:
Jason Smith
2020-06-22 13:27:01 -07:00
committed by GitHub
parent b6cd8b230e
commit 819e48972d
27 changed files with 206 additions and 109 deletions
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19
Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
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@ -34,19 +34,30 @@
#include "ultralcd_st7920_u8glib_rrd_AVR.h"
#ifndef ST7920_DELAY_1
#define ST7920_DELAY_1 CPU_ST7920_DELAY_1
#ifdef BOARD_ST7920_DELAY_1
#define ST7920_DELAY_1 BOARD_ST7920_DELAY_1
#else
#define ST7920_DELAY_1 CPU_ST7920_DELAY_1
#endif
#endif
#ifndef ST7920_DELAY_2
#define ST7920_DELAY_2 CPU_ST7920_DELAY_2
#ifdef BOARD_ST7920_DELAY_2
#define ST7920_DELAY_2 BOARD_ST7920_DELAY_2
#else
#define ST7920_DELAY_2 CPU_ST7920_DELAY_2
#endif
#endif
#ifndef ST7920_DELAY_3
#define ST7920_DELAY_3 CPU_ST7920_DELAY_3
#ifdef BOARD_ST7920_DELAY_3
#define ST7920_DELAY_3 BOARD_ST7920_DELAY_3
#else
#define ST7920_DELAY_3 CPU_ST7920_DELAY_3
#endif
#endif
// Optimize this code with -O3
#pragma GCC optimize (3)
#ifdef ARDUINO_ARCH_STM32F1
#define ST7920_DAT(V) !!((V) & 0x80)
#else