Espressif ESP32-S2 Programming Manual page 268

Chapter 2. API Reference
Macros
GPIO_SEL_0
Pin 0 selected
GPIO_SEL_1
Pin 1 selected
GPIO_SEL_2
Pin 2 selected
GPIO_SEL_3
Pin 3 selected
GPIO_SEL_4
Pin 4 selected
GPIO_SEL_5
Pin 5 selected
GPIO_SEL_6
Pin 6 selected
GPIO_SEL_7
Pin 7 selected
GPIO_SEL_8
Pin 8 selected
GPIO_SEL_9
Pin 9 selected
GPIO_SEL_10
Pin 10 selected
GPIO_SEL_11
Pin 11 selected
GPIO_SEL_12
Pin 12 selected
GPIO_SEL_13
Pin 13 selected
GPIO_SEL_14
Pin 14 selected
GPIO_SEL_15
Pin 15 selected
GPIO_SEL_16
Pin 16 selected
GPIO_SEL_17
Pin 17 selected
GPIO_SEL_18
Pin 18 selected
GPIO_SEL_19
Pin 19 selected
GPIO_SEL_20
Pin 20 selected
GPIO_SEL_21
Pin 21 selected
GPIO_SEL_26
Pin 26 selected
Espressif Systems 257
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