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Pin 5 on ESP32 is also available as GPIO #123

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Nov 17, 2021
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Pin 5 on ESP32 is also available as GPIO #123

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5 changes: 3 additions & 2 deletions src/utility/Boards.h
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Original file line number Diff line number Diff line change
Expand Up @@ -682,6 +682,7 @@ writePort(port, value, bitmask): Write an 8 bit port.
#define DEFAULT_PWM_RESOLUTION PWM_RESOLUTION

// ESP32
// GPIO 6-11 are used for FLASH I/O, therefore they're unavailable here
#elif defined(ESP32)
#define TOTAL_ANALOG_PINS NUM_ANALOG_INPUTS
#define TOTAL_PINS NUM_DIGITAL_PINS
Expand All @@ -693,8 +694,8 @@ writePort(port, value, bitmask): Write an 8 bit port.
#define digitalPinHasSerial(p) ((p) == 16 || (p) == 17 || (p) == 1 || (p) == 3)
// Pins 1 and 3 are used for the USB Serial communication. If we enable them here, the initial pin reset causes the serial communication
// to not work after boot.
#define IS_PIN_DIGITAL(p) ((p) == 0 || (p) == 2 || (p) == 4 || ((p) >= 12 && (p) < 24) || ((p) >= 25 && (p) < 28) || ((p) >= 32 && (p) <= 39))
#define IS_PIN_ANALOG(p) ((p) == 0 || (p) == 2 || (p) == 4 || ((p) >= 12 && (p) < 16) || ((p >= 25 && (p) < 28) || ((p) >= 32 && (p) < 37) || (p) == 39))
#define IS_PIN_DIGITAL(p) ((p) == 0 || (p) == 2 || (p) == 4 || (p) == 5 || ((p) >= 12 && (p) < 24) || ((p) >= 25 && (p) < 28) || ((p) >= 32 && (p) <= 39))
#define IS_PIN_ANALOG(p) ((p) == 0 || (p) == 2 || (p) == 4 || (p) == 5 || ((p) >= 12 && (p) < 16) || ((p >= 25 && (p) < 28) || ((p) >= 32 && (p) < 37) || (p) == 39))
#define IS_PIN_PWM(p) (IS_PIN_DIGITAL(p) && digitalPinHasPWM(p))
#define IS_PIN_SERVO(p) IS_PIN_DIGITAL(p)
#define IS_PIN_I2C(p) ((IS_PIN_DIGITAL(p)) && ((p == 21) || (p == 22)))
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