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add wait_cpuclock() macro for AVR and CPU_CLOCK macro (#12755)

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Takeshi ISHII 2021-08-24 22:34:24 +09:00 • committed by GitHub
parent c4dbf4bf01
commit c9c60d227e
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2 changed files with 8 additions and 5 deletions
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4
tmk_core/common/avr/_wait.h
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@ -37,6 +37,8 @@
} \
} \
} while (0)
#define wait_cpuclock(n) __builtin_avr_delay_cycles(n)
#define CPU_CLOCK F_CPU
/* The AVR series GPIOs have a one clock read delay for changes in the digital input signal.
* But here's more margin to make it two clocks. */
@ -44,4 +46,4 @@
# define GPIO_INPUT_PIN_DELAY 2
#endif
#define waitInputPinDelay() __builtin_avr_delay_cycles(GPIO_INPUT_PIN_DELAY)
#define waitInputPinDelay() wait_cpuclock(GPIO_INPUT_PIN_DELAY)