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Add PIN defines, so the pins can easily be used by external libraries
See: arduino/Arduino#4814
For instance this is used by the USB Host library: 231fb542a8
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@ -30,22 +30,39 @@
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#define NUM_ANALOG_INPUTS 1
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#define ESP_PINS_OFFSET 20
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static const uint8_t SDA = 4;
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static const uint8_t SCL = 5;
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#define PIN_WIRE_SDA (4)
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#define PIN_WIRE_SCL (5)
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static const uint8_t SS = 12;
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static const uint8_t MOSI = 13;
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static const uint8_t MISO = 14;
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static const uint8_t SCK = 15;
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static const uint8_t SDA = PIN_WIRE_SDA;
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static const uint8_t SCL = PIN_WIRE_SCL;
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static const uint8_t A0 = 14;
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static const uint8_t A1 = 15;
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static const uint8_t A2 = 16;
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static const uint8_t A3 = 17;
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static const uint8_t A4 = 18;
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static const uint8_t A5 = 19;
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static const uint8_t A6 = 20;
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static const uint8_t A7 = 21;
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#define PIN_SPI_SS (12)
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#define PIN_SPI_MOSI (13)
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#define PIN_SPI_MISO (14)
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#define PIN_SPI_SCK (15)
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static const uint8_t SS = PIN_SPI_SS;
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static const uint8_t MOSI = PIN_SPI_MOSI;
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static const uint8_t MISO = PIN_SPI_MISO;
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static const uint8_t SCK = PIN_SPI_SCK;
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#define PIN_A0 (14)
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#define PIN_A1 (15)
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#define PIN_A2 (16)
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#define PIN_A3 (17)
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#define PIN_A4 (18)
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#define PIN_A5 (19)
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#define PIN_A6 (20)
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#define PIN_A7 (21)
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static const uint8_t A0 = PIN_A0;
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static const uint8_t A1 = PIN_A1;
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static const uint8_t A2 = PIN_A2;
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static const uint8_t A3 = PIN_A3;
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static const uint8_t A4 = PIN_A4;
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static const uint8_t A5 = PIN_A5;
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static const uint8_t A6 = PIN_A6;
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static const uint8_t A7 = PIN_A7;
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static const uint8_t E0 = ESP_PINS_OFFSET + 0;
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static const uint8_t E1 = ESP_PINS_OFFSET + 1;
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