Refactor writePin to work with statements (#16738)

master
Stefan Kerkmann 2022-03-28 00:07:25 +02:00 committed by GitHub
parent 03f9b8db15
commit 119abc4375
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1 changed files with 8 additions and 1 deletions

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@ -31,7 +31,14 @@ typedef ioline_t pin_t;
#define writePinHigh(pin) palSetLine(pin) #define writePinHigh(pin) palSetLine(pin)
#define writePinLow(pin) palClearLine(pin) #define writePinLow(pin) palClearLine(pin)
#define writePin(pin, level) ((level) ? (writePinHigh(pin)) : (writePinLow(pin))) #define writePin(pin, level) \
do { \
if (level) { \
writePinHigh(pin); \
} else { \
writePinLow(pin); \
} \
} while (0)
#define readPin(pin) palReadLine(pin) #define readPin(pin) palReadLine(pin)