esp-hal 1.2.0

Bare-metal HAL for Espressif devices
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

#[inline(always)]
pub(super) fn initialize() {}

#[inline(always)]
pub(super) fn set_output_enabled(_mask: u32, _en: bool) {
    // Nothing to do.
}

#[inline(always)]
pub(super) fn read_in() -> u32 {
    let val;
    unsafe { core::arch::asm!("ee.get_gpio_in {0}", out(reg) val) };
    val
}

#[inline(always)]
pub(super) fn read_out() -> u32 {
    let val;
    unsafe { core::arch::asm!("rur.gpio_out {0}", out(reg) val) };
    val
}

#[inline(always)]
pub(super) fn write(mask: u32, value: u32) {
    unsafe { core::arch::asm!("ee.wr_mask_gpio_out {0}, {1}", in(reg) value, in(reg) mask) }
}