35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
use stm32f4xx_hal::gpio::{Input, Output, PushPull, PE10, PE11, PE8, PE9};
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use crate::device::sys_timer::sleep;
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pub struct HwRevPins{
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pub h0: PE8<Input>,
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pub h1: PE9<Input>,
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pub h2: PE10<Input>,
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pub h3: PE11<Input>,
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}
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pub struct HWRev {
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pub major: u8,
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pub minor: u8,
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}
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impl HWRev {
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pub fn detect_hw_rev(hwrev_pins: HwRevPins) -> Self {
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let (h0, h1, h2, h3) = (
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hwrev_pins.h0.is_high(), hwrev_pins.h1.is_high(),
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hwrev_pins.h2.is_high(), hwrev_pins.h3.is_high()
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);
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match (h0, h1, h2, h3) {
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(true, true, true, true) => HWRev { major: 0, minor: 3 },
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(_, _, _, _) => HWRev { major: 0, minor: 0 }
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}
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}
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/// On Rev0_3, during power up, digital power rails are stabilized way before analog power rails
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/// This causes improper initialization on any peripherals requiring calibrations
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/// See Issue #32 on Kirdy Hw Repo
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pub fn startup_delay_before_gpio_init(&mut self){
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if self.major == 0 && self.minor == 3 {
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sleep(1500);
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}
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}
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} |