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🎨 EXP headers, ST7920 delays (#22641)

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Scott Lahteine authored and Scott Lahteine committed 2021-09-12 19:27:38 -05:00
1 parent 9b0e196ba2
commit 7704d84419
65 files changed
+626 -692
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Marlin/src/HAL/AVR/HAL.h
+13
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@@ -39,6 +39,19 @@
#include <avr/interrupt.h>
#include <avr/io.h>
//
// Default graphical display delays
//
#if F_CPU >= 20000000
#define CPU_ST7920_DELAY_1 DELAY_NS(150)
#define CPU_ST7920_DELAY_2 DELAY_NS( 0)
#define CPU_ST7920_DELAY_3 DELAY_NS(150)
#elif F_CPU == 16000000
#define CPU_ST7920_DELAY_1 DELAY_NS(125)
#define CPU_ST7920_DELAY_2 DELAY_NS( 0)
#define CPU_ST7920_DELAY_3 DELAY_NS(188)
#endif
#ifndef pgm_read_ptr
// Compatibility for avr-libc 1.8.0-4.1 included with Ubuntu for
// Windows Subsystem for Linux on Windows 10 as of 10/18/2019