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deep sleep and wakeup working!

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sigil-03 2025-09-12 15:47:45 -06:00
parent fba0fbec61
commit 1a420018d1
2 changed files with 109 additions and 48 deletions
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3
ch32v-insert-coin/Cargo.toml
View file

@ -3,6 +3,9 @@ name = "ch32v-insert-coin"
version = "0.1.0" version = "0.1.0"
edition = "2024" edition = "2024"
[features]
enable_print = []
[dependencies] [dependencies]
ch32-hal = { path = "ext/ch32-hal/", features = [ ch32-hal = { path = "ext/ch32-hal/", features = [
"ch32v003f4u6", "ch32v003f4u6",

154
ch32v-insert-coin/src/main.rs
View file

@ -102,56 +102,53 @@ unsafe fn enter_standby(pin: usize) {
let pfic = &hal::pac::PFIC; let pfic = &hal::pac::PFIC;
pfic.sctlr().modify(|w| { pfic.sctlr().modify(|w| {
// we only want to wake on enabled interrupts // we only want to wake on enabled interrupts
w.set_sevonpend(true); w.set_sevonpend(false);
// we want to enable deep sleep // we want to enable deep sleep
w.set_sleepdeep(true); w.set_sleepdeep(true);
w.set_wfitowfe(true); w.set_wfitowfe(false);
w.set_sleeponexit(false); w.set_sleeponexit(false);
}); });
// // disable all exti interrupts // // disable all exti interrupts
// let exti = &hal::pac::EXTI; let exti = &hal::pac::EXTI;
// exti.intenr().write(| w| { // exti.intenr().write(| w| {
// w.0 = 0x00000000; // w.0 = 0x00000000;
// // w.set_mr(pin, true); // // w.set_mr(pin, true);
// // w.set_mr(pin, true); // // w.set_mr(pin, true);
// }); // });
// // clear all pending exti interrupts // clear all pending exti interrupts
let bits = 0xFFFFFFFF;
exti.intfr().write(|w| w.0 = bits);
// let bits = 0xFFFFFFFF; // enable all exti interrupts
// exti.intfr().write(|w| w.0 = bits); let exti = &hal::pac::EXTI;
exti.intenr().write(|w| {
// // enable all exti interrupts w.0 = 0x00FFFFFF;
// let exti = &hal::pac::EXTI; // w.set_mr(pin, true);
// exti.intenr().write(| w| { // w.set_mr(pin, true);
// w.0 = 0x00FFFFFF; });
// // w.set_mr(pin, true);
// // w.set_mr(pin, true);
// });
unsafe { unsafe {
// qingke::pfic::disable_interrupt(Interrupt::EXTI7_0 as u8); qingke::pfic::disable_interrupt(CoreInterrupt::SysTick as u8);
// qingke::pfic::disable_interrupt(CoreInterrupt::SysTick as u8);
// qingke::pfic::disable_interrupt(CoreInterrupt::SysTick as u8);
qingke::pfic::enable_interrupt(Interrupt::EXTI7_0 as u8); qingke::pfic::enable_interrupt(Interrupt::EXTI7_0 as u8);
} }
// execute WFI
// execute WFI
#[cfg(feature="enable_print")]
println!("WFI CONFIGURED HOPEFULLY"); println!("WFI CONFIGURED HOPEFULLY");
// core::arch::asm!("wfi");
// pfic.
// qingke::pfic::
}); });
} }
unsafe fn init_gpio_irq(pin: u8, port: u8, rising: bool, falling: bool) { unsafe fn init_gpio_irq(pin: u8, port: u8, rising: bool, falling: bool) {
critical_section::with(|_| { critical_section::with(|_| {
println!("init_gpio_irq"); #[cfg(features="enable_print")]
let exti = &hal::pac::EXTI; println!("init_gpio_irq");
let afio = &hal::pac::AFIO; let exti = &hal::pac::EXTI;
let afio = &hal::pac::AFIO;
let port = port as u8; let port = port as u8;
let pin = pin as usize; let pin = pin as usize;
@ -181,6 +178,7 @@ fn clear_interrupt(coin_pin: u8, button_pin: u8) {
// coin_flag // coin_flag
if (bits & (0x1 << coin_pin)) != 0x0 { if (bits & (0x1 << coin_pin)) != 0x0 {
#[cfg(feature="enable_print")]
println!("coin irq!"); println!("coin irq!");
unsafe { unsafe {
INPUT_FLAGS.coin_flag = true; INPUT_FLAGS.coin_flag = true;
@ -189,6 +187,7 @@ fn clear_interrupt(coin_pin: u8, button_pin: u8) {
// button_flag // button_flag
if (bits & (0x1 << button_pin)) != 0x0 { if (bits & (0x1 << button_pin)) != 0x0 {
#[cfg(feature="enable_print")]
println!("button irq!"); println!("button irq!");
unsafe { unsafe {
INPUT_FLAGS.button_flag = true; INPUT_FLAGS.button_flag = true;
@ -222,6 +221,7 @@ static mut INPUT_FLAGS: InputFlags = InputFlags {
struct Test {} struct Test {}
impl Handler<hal::interrupt::typelevel::EXTI7_0> for Test { impl Handler<hal::interrupt::typelevel::EXTI7_0> for Test {
unsafe fn on_interrupt() { unsafe fn on_interrupt() {
#[cfg(feature="enable_print")]
println!("on_interrupt()"); println!("on_interrupt()");
critical_section::with(|_| { critical_section::with(|_| {
clear_interrupt(2, 6); clear_interrupt(2, 6);
@ -237,16 +237,37 @@ bind_interrupts!(struct Irqs {
use insert_coin::TickTimerService; use insert_coin::TickTimerService;
use insert_coin::{TickService, TickServiceData}; use insert_coin::{TickService, TickServiceData};
#[qingke_rt::entry] fn debug_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
fn main() -> ! { // LED0 output setup
hal::debug::SDIPrint::enable(); use hal::gpio::{Output, Level};
let mut config = hal::Config::default(); let mut led0_pin = Output::new(p.PC3, Level::High, Default::default());
config.rcc = hal::rcc::Config::SYSCLK_FREQ_48MHZ_HSE;
let p = hal::init(config); // button pin setup
let button_pin = p.PD6;
unsafe {init_gpio_irq(button_pin.pin(), button_pin.port(), false, true)};
let mut button_input = Input::new(button_pin, Pull::Up);
// delay to let the debugger attach
let mut delay = Delay;
delay.delay_ms(1000); delay.delay_ms(1000);
unsafe{enter_standby(4)};
delay.delay_ms(1000);
riscv::asm::wfi();
// get the clocks re-initialized
let mut config = hal::Config::default();
config.rcc = hal::rcc::Config::SYSCLK_FREQ_48MHZ_HSI;
unsafe { hal::rcc::init(config.rcc); }
#[cfg(feature="enable_print")]
println!("begin loop");
loop {
led0_pin.toggle();
delay.delay_ms(100);
}
}
fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
// === output setup === // === output setup ===
@ -296,6 +317,8 @@ fn main() -> ! {
// println!("ADC_PIN CHANNEL: {}", adc_pin.channel().channel()); // println!("ADC_PIN CHANNEL: {}", adc_pin.channel().channel());
delay.delay_ms(1000); delay.delay_ms(1000);
let adc_cal = adc.calibrate(); let adc_cal = adc.calibrate();
#[cfg(feature="enable_print")]
println!("ADC calibration value: {}", adc_cal); println!("ADC calibration value: {}", adc_cal);
// definitions // definitions
@ -384,9 +407,9 @@ fn main() -> ! {
// use qingke_rt::CoreInterrupt; // use qingke_rt::CoreInterrupt;
// qingke::pfic::unpend_interrupt(Interrupt::EXTI7_0 as u8); // qingke::pfic::unpend_interrupt(Interrupt::EXTI7_0 as u8);
clear_interrupt(4, 6); clear_interrupt(2, 6);
qingke::pfic::enable_interrupt(Interrupt::EXTI7_0 as u8); qingke::pfic::enable_interrupt(Interrupt::EXTI7_0 as u8);
// qingke::pfic::enable_interrupt(CoreInterrupt::SysTick as u8); // qingke::pfic::enable_interrupt(CoreInterrupt::SysTick as u8);
} }
// MAIN APPLICATION // MAIN APPLICATION
@ -397,12 +420,14 @@ fn main() -> ! {
// -depress the big button for approx 2s and it puts the led into low light mode. Just making it dimmer than usual. // -depress the big button for approx 2s and it puts the led into low light mode. Just making it dimmer than usual.
// -depress the big button for 5s and it goes into deep sleep, everything off with the low sleep current draw // -depress the big button for 5s and it goes into deep sleep, everything off with the low sleep current draw
#[cfg(feature="enable_print")]
println!("begin"); println!("begin");
loop { loop {
{ {
// system input servicing // system input servicing
unsafe { unsafe {
if INPUT_FLAGS.coin_flag { if INPUT_FLAGS.coin_flag {
#[cfg(feature="enable_print")]
println!("coin flag active"); println!("coin flag active");
INPUT_FLAGS.coin_flag = false; INPUT_FLAGS.coin_flag = false;
coin_input.begin(); coin_input.begin();
@ -415,6 +440,7 @@ fn main() -> ! {
interfaces.dac.load_data(coin_sound); interfaces.dac.load_data(coin_sound);
} }
if INPUT_FLAGS.button_flag { if INPUT_FLAGS.button_flag {
#[cfg(feature="enable_print")]
println!("button flag active"); println!("button flag active");
INPUT_FLAGS.button_flag = false; INPUT_FLAGS.button_flag = false;
button_input.begin(); button_input.begin();
@ -426,17 +452,20 @@ fn main() -> ! {
button_input.service(); button_input.service();
if coin_input.ready() { if coin_input.ready() {
#[cfg(feature="enable_print")]
println!("debounced coin_input value: {}", coin_input.value()); println!("debounced coin_input value: {}", coin_input.value());
coin_input.reset(); coin_input.reset();
} }
if button_input.ready() { if button_input.ready() {
let value = button_input.value(); let value = button_input.value();
button_input.reset(); button_input.reset();
#[cfg(feature="enable_print")]
println!("debounced button_input value: {}", value); println!("debounced button_input value: {}", value);
if !value { if !value {
// interfaces.dac.load_data(button_sound); // interfaces.dac.load_data(button_sound);
#[cfg(feature="enable_print")]
println!("reset hold timers + enable"); println!("reset hold timers + enable");
sp_timer.reset(); sp_timer.reset();
sp_timer.enable(true); sp_timer.enable(true);
@ -454,6 +483,7 @@ fn main() -> ! {
adc1_timer.tick(); adc1_timer.tick();
if sp_timer.need_service() { if sp_timer.need_service() {
#[cfg(feature="enable_print")]
println!("sp detect!"); println!("sp detect!");
sp_timer.reset(); sp_timer.reset();
@ -466,6 +496,7 @@ fn main() -> ! {
} }
if lp_timer.need_service() { if lp_timer.need_service() {
#[cfg(feature="enable_print")]
println!("lp detect!"); println!("lp detect!");
lp_timer.reset(); lp_timer.reset();
@ -479,6 +510,7 @@ fn main() -> ! {
if adc1_timer.need_service() { if adc1_timer.need_service() {
let val = adc.convert(&mut adc_pin, hal::adc::SampleTime::CYCLES241); let val = adc.convert(&mut adc_pin, hal::adc::SampleTime::CYCLES241);
#[cfg(feature="enable_print")]
println!("ADC value: {}", val); println!("ADC value: {}", val);
adc1_timer.reset(); adc1_timer.reset();
@ -488,18 +520,24 @@ fn main() -> ! {
match system_state { match system_state {
SystemState::DeepSleep => { SystemState::DeepSleep => {
// TODO: make this REALLY deep sleep // TODO: make this REALLY deep sleep
unsafe { enter_standby(4) }; unsafe{enter_standby(4)};
loop { loop {
riscv::asm::wfi(); riscv::asm::wfi();
unsafe { let mut config = hal::Config::default();
if INPUT_FLAGS.coin_flag { config.rcc = hal::rcc::Config::SYSCLK_FREQ_48MHZ_HSI;
break; unsafe { hal::rcc::init(config.rcc); }
} unsafe{
}; if INPUT_FLAGS.coin_flag {
} system_state = SystemState::Active;
} break;
SystemState::Idle => {} }
};
}
},
SystemState::Idle => {
},
SystemState::Active => { SystemState::Active => {
tt0.tick(); tt0.tick();
tt1.tick(); tt1.tick();
@ -530,6 +568,26 @@ fn main() -> ! {
} }
} }
#[qingke_rt::entry]
fn main() -> ! {
#[cfg(feature="enable_print")]
hal::debug::SDIPrint::enable();
let mut config = hal::Config::default();
config.rcc = hal::rcc::Config::SYSCLK_FREQ_48MHZ_HSI;
let mut p = hal::init(config);
// delay to let the debugger attach
let mut delay = Delay;
delay.delay_ms(1000);
debug_main(p, delay);
}
#[panic_handler] #[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> ! { fn panic(_info: &core::panic::PanicInfo) -> ! {
loop {} loop {}