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Add macros for delays by machine cycle

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Scott Lahteine
2017-04-11 02:33:46 -05:00
parent 4ea447959e
commit e02a5a6371
3 changed files with 41 additions and 8 deletions
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7
Marlin/ultralcd_st7920_u8glib_rrd.h
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@ -43,13 +43,6 @@
//set optimization so ARDUINO optimizes this file
#pragma GCC optimize (3)
#define DELAY_0_NOP NOOP
#define DELAY_1_NOP __asm__("nop\n\t")
#define DELAY_2_NOP __asm__("nop\n\t" "nop\n\t")
#define DELAY_3_NOP __asm__("nop\n\t" "nop\n\t" "nop\n\t")
#define DELAY_4_NOP __asm__("nop\n\t" "nop\n\t" "nop\n\t" "nop\n\t")
// If you want you can define your own set of delays in Configuration.h
//#define ST7920_DELAY_1 DELAY_0_NOP
//#define ST7920_DELAY_2 DELAY_0_NOP