blob: a94c6e5a19b3ae3b3a6a682469503b95f4be7b8f (
plain)
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
27
28
|
/// # GPIO Register
pub mod GPPUD {
const ADDR: u32 = 0x3F200094;
pub fn set(v: u32) {
use crate::cpu::store32;
store32(ADDR, v)
}
pub fn clear() {
set(0)
}
}
/// # GPIO Clock 0 Register
pub mod GPPUDCLK0 {
const ADDR: u32 = 0x3F200098;
const MASK: u32 = (1 << 14) | (1 << 15);
pub fn set(v: u32) {
use crate::cpu::store32;
store32(ADDR, v)
}
pub fn init() {
use crate::cpu::spin_for_n_cycles;
super::GPPUD::clear();
spin_for_n_cycles(150);
set(MASK);
spin_for_n_cycles(150);
set(0);
}
}
|