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| author | Craig Link <craigl@zillowgroup.com> | 2021-02-28 12:02:54 +0300 |
|---|---|---|
| committer | Craig Link <craigl@zillowgroup.com> | 2021-02-28 12:02:54 +0300 |
| commit | 0939ce094e12a25c6083742f6e992c27be72373e (patch) | |
| tree | 5ee1f1a5056b217662061486cbf824924ca3d3f1 | |
| parent | a8a2be7513bd9bc0f9450739826453689a6823c9 (diff) | |
add VPORT comment
| -rw-r--r-- | src/platforms/avr/fastpin_avr.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/platforms/avr/fastpin_avr.h b/src/platforms/avr/fastpin_avr.h index 08dcdc13..741d3f34 100644 --- a/src/platforms/avr/fastpin_avr.h +++ b/src/platforms/avr/fastpin_avr.h @@ -60,7 +60,7 @@ typedef volatile uint8_t & reg8_t; #elif defined(__AVR_ATmega4809__) - +// Leverage VPORTs instead of PORTs for faster access #define _FL_IO(L,C) _RD8(VPORT ## L ## _DIR); _RD8(VPORT ## L ## _OUT); _RD8(VPORT ## L ## _IN); _FL_DEFINE_PORT3(L, C, _R(VPORT ## L ## _OUT)); #define _FL_DEFPIN(_PIN, BIT, L) template<> class FastPin<_PIN> : public _AVRPIN<_PIN, 1<<BIT, _R(VPORT ## L ## _OUT), _R(VPORT ## L ## _DIR), _R(VPORT ## L ## _IN)> {}; |