sigil-03/insert-coin
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work towards interrupts

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sigil-03 2025-08-10 14:32:58 -06:00
parent 85077d4f1e
commit 5be93cc32e
1 changed files with 42 additions and 3 deletions
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45
ch32v-insert-coin/src/main.rs
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@ -4,9 +4,11 @@
#![feature(impl_trait_in_assoc_type)]
use adpcm_pwm_dac::dac::DpcmDac;
use hal::delay::Delay;
use hal::gpio::{AnyPin, Level, Output, Pin};
use {ch32_hal as hal};
use hal::peripherals::EXTI4;
use hal::{bind_interrupts, interrupt};
use hal::delay::Delay;
use hal::gpio::{AnyPin, Level, Input, Output, Pin, Pull};
use hal::time::Hertz;
use hal::timer::low_level::CountingMode;
use hal::timer::simple_pwm::{PwmPin, SimplePwm};
@ -30,6 +32,7 @@ const DPCM_DAC_DATA: [u8; 4] = [0xBB, 0xBB, 0xAA, 0xAA];
// const DATA2: [u8; 1] = [0x00u8];
static mut IRQ1_FLAG: bool = false;
struct SimplePwmDacPin<'d, T: GeneralInstance16bit>{
pin: SimplePwm<'d, T>,
@ -95,6 +98,15 @@ fn pwm_blink<T: GeneralInstance16bit>(mut pwm_dac_pin: SimplePwmDacPin<'_, T>) {
// }
// }
#[qingke_rt::interrupt]
fn EXTI4(){
unsafe{IRQ1_FLAG = true;};
}
// bind_interrupts!(struct Irqs {
// EXTI4 => button_press();
// });
#[qingke_rt::entry]
fn main() -> ! {
let mut config = hal::Config::default();
@ -102,6 +114,12 @@ fn main() -> ! {
let p = hal::init(config);
// button 1 setup
// let b1 = Input::new(p.PA2, Pull::Up);
// p.EXTI4
let ei = hal::exti::ExtiInput::new(p.PD4, p.EXTI4, Pull::Up);
// let led_pin = PwmPin::new_ch4::<0>(p.PD0);
// let ch = hal::timer::Channel::Ch4;
// let mut pwm = SimplePwm::new(
@ -120,6 +138,8 @@ fn main() -> ! {
// LED output setup
let mut led = Output::new(p.PD0, Level::Low, Default::default());
// LED1 output setup
let mut led1 = Output::new(p.PD6, Level::High, Default::default());
// PWM DAC output pin setup
@ -160,10 +180,22 @@ fn main() -> ! {
let led_blink_rate_hz = 3;
let led_tick_per_service = (tick_rate_hz/(led_blink_rate_hz * 2));
// LED1 servicer vars
let mut led1_need_service = false;
// pwm_blink(pwm_dac_pin);
let mut tick: usize = 0;
loop{
// handle IRQ flags
unsafe {
if(IRQ1_FLAG) {
led1_need_service = true;
// led_active = true;
IRQ1_FLAG = false;
}
}
let dac_need_service = ((tick % dac_tick_per_service) == 0);
if(dac_need_service && dac_active) {
dac_active = dac.output_next();
@ -173,6 +205,12 @@ fn main() -> ! {
if(led_need_service && led_active) {
led.toggle();
}
if led1_need_service {
led1.set_low();
led1_need_service = false;
}
tick = tick.wrapping_add(1);
delay.delay_us(tick_interval as u32);
};
@ -182,4 +220,5 @@ fn main() -> ! {
#[panic_handler]
fn panic(info: &core::panic::PanicInfo) -> ! {
loop {}
}
}