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Split out arm_atsam shift register logic (#14848)

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This commit is contained in:
Joel Challis
2021-10-22 00:49:38 +01:00
committed by GitHub
parent 1b93d576f8
commit 1b1f3ec68e
10 changed files with 301 additions and 140 deletions
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8
tmk_core/common/arm_atsam/gpio.h
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@@ -64,7 +64,13 @@ typedef uint8_t pin_t;
PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
} while (0)
#define writePin(pin, level) ((level) ? (writePinHigh(pin)) : (writePinLow(pin)))
#define writePin(pin, level) \
do { \
if (level) \
PORT->Group[SAMD_PORT(pin)].OUTSET.reg = SAMD_PIN_MASK(pin); \
else \
PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
} while (0)
#define readPin(pin) ((PORT->Group[SAMD_PORT(pin)].IN.reg & SAMD_PIN_MASK(pin)) != 0)