4 Commits

Author SHA1 Message Date
Priec
c60f8db3c8 moves 2025-12-16 00:39:51 +01:00
Priec
4c7d9af29a moved handler 2025-12-15 16:46:10 +01:00
Priec
88341314dd cleaning up 2025-12-15 16:16:46 +01:00
Priec
053cba171d sleep 2025-12-14 15:16:24 +01:00
13 changed files with 161 additions and 127 deletions

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@@ -10,10 +10,11 @@ use embassy_stm32::gpio::{Output, Level, Speed};
use embassy_time::{Duration, Timer};
use dma_gpio::config::BAUD;
use dma_gpio::wakeup::iwdg::{clear_wakeup_flags, init_watchdog_reset};
use dma_gpio::wakeup::iwdg::clear_wakeup_flags;
use dma_gpio::wakeup::gpio::gpio_wakeup;
use dma_gpio::sleep::handler::execute_low_power;
use dma_gpio::hw_uart_pc::init::{init_hw_uart_to_pc, LowPowerCmd, CMD_CH};
use dma_gpio::logic::handler::execute_low_power;
use dma_gpio::hw_uart_pc::init::init_hw_uart_to_pc;
use dma_gpio::logic::uart_cmd::CMD_CH;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
@@ -30,7 +31,7 @@ async fn main(spawner: Spawner) {
info!("LED ON (MCU awake)");
// LED BLINK
spawner.spawn(led_blink(led).unwrap());
// spawner.spawn(led_blink(led).unwrap());
// INIT HW UART
init_hw_uart_to_pc(p.USART1, p.PA10, p.PA9, &spawner);

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@@ -1,14 +1,8 @@
// src/hw_uart_pc/init.rs
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
use embassy_sync::channel::Channel;
use embassy_futures::yield_now;
// UART HW init
use crate::config::{BAUD, PIPE_HW_TX, PIPE_HW_RX};
use crate::hw_uart_pc::driver::uart_task;
use crate::sleep::StopEntry;
use crate::sleep::handler::execute_low_power;
use crate::logic::uart_cmd::uart_cmd_task;
use static_cell::StaticCell;
use embassy_stm32::usart::BufferedInterruptHandler;
use embassy_stm32::usart::{BufferedUart, Config as UsartConfig};
@@ -23,101 +17,6 @@ bind_interrupts!(struct Irqs {
USART1 => BufferedInterruptHandler<peripherals::USART1>;
});
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub enum LowPowerCmd {
Standby8k, // 1
StandbyFull, // 2
Standby, // 3
Shutdown, // 4
StopMode(StopModeConfig),
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub struct StopModeConfig {
pub mode: StopMode,
pub entry: StopEntry,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub enum StopMode {
Stop0,
Stop1,
Stop2,
Stop3,
}
pub static CMD_CH: Channel<CriticalSectionRawMutex, LowPowerCmd, 1> = Channel::new();
#[embassy_executor::task]
pub async fn uart_cmd_task() {
async fn print_menu() {
while PIPE_HW_TX.len() > 0 {
embassy_time::Timer::after(embassy_time::Duration::from_millis(8)).await;
}
let _ = PIPE_HW_TX.write(
b"\x1B[2J\x1B[H\r\n\
Modes:\r\n\
[1] Standby + 8 KB SRAM2 retention\r\n\
[2] Standby + full SRAM2 retention\r\n\
[3] Standby minimal\r\n\
[4] Shutdown\r\n\
[5] Stop mode (0-3)\r\n\
"
).await;
embassy_time::Timer::after(embassy_time::Duration::from_millis(8)).await;
}
print_menu().await;
let mut b = [0u8; 2];
loop {
b.fill(0);
let n = PIPE_HW_RX.read(&mut b).await;
if n == 0 { continue; }
match b[0] {
b'1' => CMD_CH.send(LowPowerCmd::Standby8k).await,
b'2' => CMD_CH.send(LowPowerCmd::StandbyFull).await,
b'3' => CMD_CH.send(LowPowerCmd::Standby).await,
b'4' => CMD_CH.send(LowPowerCmd::Shutdown).await,
b'5' => {
let _ = PIPE_HW_TX.write(b"Enter Stop mode number (0-3): ").await;
b.fill(0);
let n = PIPE_HW_RX.read(&mut b).await;
if n == 0 { print_menu().await; continue; }
let stop_mode = match b[0] {
b'0' => StopMode::Stop0,
b'1' => StopMode::Stop1,
b'2' => StopMode::Stop2,
b'3' => StopMode::Stop3,
_ => { print_menu().await; continue; }
};
if matches!(stop_mode, StopMode::Stop0) {
CMD_CH.send(LowPowerCmd::StopMode(StopModeConfig {
mode: stop_mode,
entry: StopEntry::Wfi, // to tu je, lebo nejdem prepisovat kod, kvoli
// pos**temu halu co si nevie urobit konzistentnost
})).await;
continue;
}
let _ = PIPE_HW_TX.write(b"Enter entry method (1=WFI,2=WFE,3=WFE no clear): ").await;
b.fill(0);
let n = PIPE_HW_RX.read(&mut b).await;
if n == 0 { print_menu().await; continue; }
let entry = match b[0] {
b'1' => StopEntry::Wfi,
b'2' => StopEntry::Wfe,
b'3' => StopEntry::WfeNoEventClear,
_ => { print_menu().await; continue; }
};
CMD_CH.send(LowPowerCmd::StopMode(StopModeConfig { mode: stop_mode, entry })).await;
}
_ => { print_menu().await; continue; }
}
}
}
pub fn init_hw_uart_to_pc(
usart1: Peri<'static, USART1>,
pa10: Peri<'static, PA10>,

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@@ -1,4 +1,5 @@
// src/hw_uart_pc/mod.rs
pub mod driver;
pub mod usart1;
pub mod safety;

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@@ -6,3 +6,4 @@ pub mod hw_uart_pc;
pub mod config;
pub mod sleep;
pub mod wakeup;
pub mod logic;

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@@ -1,13 +1,14 @@
// src/sleep/handler.rs
// src/logic/handler.rs
use embassy_time::{Duration, Timer};
use embassy_stm32::peripherals;
use embassy_stm32::Peri;
use crate::sleep::stop::StopEntry;
use crate::sleep::stop::*;
use crate::sleep::stop::{enter_stop0, enter_stop1, enter_stop2, enter_stop3};
use crate::sleep::sleep::{enter_sleep_mode, SleepEntry};
use crate::sleep::{standby, shutdown};
use crate::wakeup::iwdg::init_watchdog_reset;
use crate::hw_uart_pc::init::{LowPowerCmd, StopMode, StopModeConfig};
use crate::logic::uart_cmd::{LowPowerCmd, StopMode, StopModeConfig};
use defmt::info;
@@ -23,25 +24,25 @@ pub async fn execute_low_power(
if let Some(wdg) = iwdg.take() {
init_watchdog_reset(wdg).await;
}
super::standby::enter_standby_with_sram2_8kb();
standby::enter_standby_with_sram2_8kb();
}
LowPowerCmd::StandbyFull => {
info!("Entering Standby with full SRAM2 retention");
if let Some(wdg) = iwdg.take() {
init_watchdog_reset(wdg).await;
}
super::standby::enter_standby_with_sram2_full();
standby::enter_standby_with_sram2_full();
}
LowPowerCmd::Standby => {
info!("Entering minimal Standby");
if let Some(wdg) = iwdg.take() {
init_watchdog_reset(wdg).await;
}
super::standby::enter_standby();
standby::enter_standby();
}
LowPowerCmd::Shutdown => {
info!("Entering Shutdown mode");
super::shutdown::enter_shutdown();
shutdown::enter_shutdown();
}
LowPowerCmd::StopMode(StopModeConfig { mode, entry }) => {
info!("Entering {:?} with {:?}", mode, entry);
@@ -57,5 +58,10 @@ pub async fn execute_low_power(
}
}
}
LowPowerCmd::Sleep => {
info!("Entering Sleep mode (WFI)...");
enter_sleep_mode(SleepEntry::Wfi);
info!("Woke up from Sleep mode.");
}
}
}

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@@ -0,0 +1,4 @@
// src/logic/mod.rs
pub mod handler;
pub mod uart_cmd;

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@@ -0,0 +1,106 @@
// src/logic/uart_cmd.rs
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
use embassy_sync::channel::Channel;
// UART HW init
use crate::config::{PIPE_HW_TX, PIPE_HW_RX};
use crate::sleep::StopEntry;
pub static CMD_CH: Channel<CriticalSectionRawMutex, LowPowerCmd, 1> = Channel::new();
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub enum LowPowerCmd {
Standby8k, // 1
StandbyFull, // 2
Standby, // 3
Shutdown, // 4
StopMode(StopModeConfig),
Sleep,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub struct StopModeConfig {
pub mode: StopMode,
pub entry: StopEntry,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub enum StopMode {
Stop0,
Stop1,
Stop2,
Stop3,
}
#[embassy_executor::task]
pub async fn uart_cmd_task() {
async fn print_menu() {
while PIPE_HW_TX.len() > 0 {
embassy_time::Timer::after(embassy_time::Duration::from_millis(8)).await;
}
let _ = PIPE_HW_TX.write(
b"\x1B[2J\x1B[H\r\n\
Modes:\r\n\
[1] Standby + 8 KB SRAM2 retention\r\n\
[2] Standby + full SRAM2 retention\r\n\
[3] Standby minimal\r\n\
[4] Shutdown\r\n\
[5] Stop mode (0-3)\r\n\
[6] Sleep mode (WFI or WFE)\r\n\
"
).await;
embassy_time::Timer::after(embassy_time::Duration::from_millis(8)).await;
}
print_menu().await;
let mut b = [0u8; 2];
loop {
b.fill(0);
let n = PIPE_HW_RX.read(&mut b).await;
if n == 0 { continue; }
match b[0] {
b'1' => CMD_CH.send(LowPowerCmd::Standby8k).await,
b'2' => CMD_CH.send(LowPowerCmd::StandbyFull).await,
b'3' => CMD_CH.send(LowPowerCmd::Standby).await,
b'4' => CMD_CH.send(LowPowerCmd::Shutdown).await,
b'5' => {
let _ = PIPE_HW_TX.write(b"Enter Stop mode number (0-3): ").await;
b.fill(0);
let n = PIPE_HW_RX.read(&mut b).await;
if n == 0 { print_menu().await; continue; }
let stop_mode = match b[0] {
b'0' => StopMode::Stop0,
b'1' => StopMode::Stop1,
b'2' => StopMode::Stop2,
b'3' => StopMode::Stop3,
_ => { print_menu().await; continue; }
};
if matches!(stop_mode, StopMode::Stop0) {
CMD_CH.send(LowPowerCmd::StopMode(StopModeConfig {
mode: stop_mode,
entry: StopEntry::Wfi, // to tu je, lebo nejdem prepisovat kod, kvoli
// pos**temu halu co si nevie urobit konzistentnost
})).await;
continue;
}
let _ = PIPE_HW_TX.write(b"Enter entry method (1=WFI,2=WFE,3=WFE no clear): ").await;
b.fill(0);
let n = PIPE_HW_RX.read(&mut b).await;
if n == 0 { print_menu().await; continue; }
let entry = match b[0] {
b'1' => StopEntry::Wfi,
b'2' => StopEntry::Wfe,
b'3' => StopEntry::WfeNoEventClear,
_ => { print_menu().await; continue; }
};
CMD_CH.send(LowPowerCmd::StopMode(StopModeConfig { mode: stop_mode, entry })).await;
},
b'6' => CMD_CH.send(LowPowerCmd::Sleep).await,
_ => { print_menu().await; continue; }
}
}
}

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@@ -3,6 +3,6 @@
pub mod standby;
pub mod shutdown;
pub mod stop;
pub mod handler;
pub mod sleep;
pub use stop::StopEntry;

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@@ -0,0 +1,19 @@
// src/sleep/sleep.rs
use cortex_m::Peripherals;
#[derive(Clone, Copy, Debug, defmt::Format)]
pub enum SleepEntry {
Wfi,
Wfe,
}
pub fn enter_sleep_mode(entry: SleepEntry) {
let mut core = unsafe { Peripherals::steal() };
core.SCB.clear_sleepdeep();
match entry {
SleepEntry::Wfi => cortex_m::asm::wfi(),
SleepEntry::Wfe => cortex_m::asm::wfe(),
}
}

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@@ -9,7 +9,7 @@ pub fn enter_standby() -> ! {
HAL_PWR_EnterSTANDBYMode();
}
cortex_m::asm::udf(); // never happen marker
cortex_m::asm::udf();
}
pub fn enter_standby_with_sram2_8kb() -> ! {

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@@ -1,10 +1,9 @@
// src/sleep/stop.rs
use cortex_m::peripheral::SCB;
use cortex_m::Peripherals;
use cortex_m::asm;
/// How to enter STOPx mode (STOP0STOP3)
/// Enter STOPx mode parameter
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub enum StopEntry {
Wfi,

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@@ -3,23 +3,23 @@
use defmt::info;
use embassy_stm32::exti::ExtiInput;
use embassy_stm32::gpio::Pull;
use embassy_stm32::{peripherals, interrupt};
use embassy_stm32::peripherals;
use embassy_time::{Duration, Timer};
use embassy_hal_internal::Peri;
/// GPIO pin as an EXTI wakeup source.
/// GPIO pin as an EXTI wake-up source.
#[embassy_executor::task]
pub async fn gpio_wakeup(
pin: Peri<'static, peripherals::PA0>,
ch: Peri<'static, peripherals::EXTI0>
) {
info!("Configuring EXTI wake input on PA0 (rising edge)");
info!("EXTI wake input on PA0");
let mut btn = ExtiInput::new(pin, ch, Pull::Up);
loop {
info!("Waiting for rising edge on PA0");
info!("Waiting for falling edge on PA0");
btn.wait_for_falling_edge().await;
info!("GPIO wakeup: event detected!");
info!("GPIO wake-up");
Timer::after(Duration::from_millis(50)).await;
}
}

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@@ -10,10 +10,8 @@ use crate::sleep::standby;
use crate::config::WATCHDOG_TIMEOUT_US;
/// Clears system reset and standby flags after wakeup.
/// Call early in startup
///
/// # Registers
/// - `RCC_CSR` — Reset and Clock Control / Status
/// - `PWR_SR` — Power Control / Status
pub fn clear_wakeup_flags() {
@@ -34,10 +32,10 @@ pub fn clear_wakeup_flags() {
}
}
/// Initializes the Independent Watchdog (IWDG) timer.
/// Init Independent Watchdog (IWDG) timer.
/// Timeout value is configured in `WATCHDOG_TIMEOUT_US` from config.rs
pub async fn init_watchdog_reset(iwdg: Peri<'static, peripherals::IWDG>) {
info!("Initializing watchdog after watchdog wake...");
info!("Init watchdog after watchdog wake...");
let mut watchdog = IndependentWatchdog::new(iwdg, WATCHDOG_TIMEOUT_US);
watchdog.unleash();
Timer::after(Duration::from_millis(10)).await;