Enum stm32f4xx::gpio::PortId

#[repr(u32)]
pub enum PortId {
    A = 0,
    B = 1,
    C = 2,
    D = 3,
    E = 4,
    F = 5,
    G = 6,
    H = 7,
}

STM32F446RE has eight GPIO ports labeled from A-H ¹. This is represented by three bits.

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1. Figure 3. STM32F446xC/E block diagram, page 16 of the datasheet ↩

Variants

A = 0

B = 1

C = 2

D = 3

E = 4

F = 5

G = 6

H = 7