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implementation of stops and reorganization of the codebase

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This commit is contained in:
Priec
2025-12-12 22:25:36 +01:00
parent 72a731abef
commit 2c9433cb84
6 changed files with 156 additions and 128 deletions
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95
semestralka_2_uart/src/hw_uart_pc/init.rs
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@@ -7,6 +7,8 @@ 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 static_cell::StaticCell;
use embassy_stm32::usart::BufferedInterruptHandler;
use embassy_stm32::usart::{BufferedUart, Config as UsartConfig};
@@ -21,67 +23,78 @@ bind_interrupts!(struct Irqs {
USART1 => BufferedInterruptHandler<peripherals::USART1>;
});
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
pub enum LowPowerCmd {
Standby8k, // 1
StandbyFull, // 2
Standby, // 3
Shutdown, // 4
Stop3Wfi,
Stop3Wfe,
Stop3WfeNoClear,
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 {
Stop1,
Stop2,
Stop3,
}
pub static CMD_CH: Channel<CriticalSectionRawMutex, LowPowerCmd, 1> = Channel::new();
#[embassy_executor::task]
pub async fn uart_cmd_task() {
// Prompt once
let _ = PIPE_HW_TX
.write(b"Modes: 1=SB8, 2=SBfull, 3=SB, 4=SD, 5=STOP3(WFI), 6=STOP3(WFE), 7=STOP3(WFE no clear)\r\n")
.await;
let _ = PIPE_HW_TX.write(
b"\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;
let mut b = [0u8; 1];
let mut b = [0u8; 2];
loop {
let n = PIPE_HW_RX.read(&mut b).await;
if n == 0 {
continue;
}
if n == 0 { continue; }
match b[0] {
b'1' => {
let _ = PIPE_HW_TX.write(b"ACK 1: standby 8KB\r\n").await;
CMD_CH.send(LowPowerCmd::Standby8k).await;
}
b'2' => {
let _ = PIPE_HW_TX.write(b"ACK 2: standby full\r\n").await;
CMD_CH.send(LowPowerCmd::StandbyFull).await;
}
b'3' => {
let _ = PIPE_HW_TX.write(b"ACK 3: standby\r\n").await;
CMD_CH.send(LowPowerCmd::Standby).await;
}
b'4' => {
let _ = PIPE_HW_TX.write(b"ACK 4: shutdown\r\n").await;
CMD_CH.send(LowPowerCmd::Shutdown).await;
}
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"ACK 5: STOP3 with WFI\r\n").await;
CMD_CH.send(LowPowerCmd::Stop3Wfi).await;
// Expect 2 digits: e.g. b'5' + '13' = Stop1 WfeNoEventClear
let _ = PIPE_HW_TX.write(b"Enter Stop mode number (0-3): ").await;
let _ = PIPE_HW_RX.read(&mut b[1..2]).await;
let stop_mode = match b[1] {
b'1' => StopMode::Stop1,
b'2' => StopMode::Stop2,
_ => StopMode::Stop3,
};
let _ = PIPE_HW_TX.write(b"Enter entry method (1=WFI,2=WFE,3=WFE no clear): ").await;
let n = PIPE_HW_RX.read(&mut b[1..2]).await;
if n > 0 {
let entry = match b[1] {
b'1' => StopEntry::Wfi,
b'2' => StopEntry::Wfe,
_ => StopEntry::WfeNoEventClear,
};
CMD_CH.send(LowPowerCmd::StopMode(StopModeConfig { mode: stop_mode, entry })).await;
}
}
b'6' => {
let _ = PIPE_HW_TX.write(b"ACK 6: STOP3 with WFE\r\n").await;
CMD_CH.send(LowPowerCmd::Stop3Wfe).await;
}
b'7' => {
let _ = PIPE_HW_TX.write(b"ACK 7: STOP3 with WFE (no event clear)\r\n").await;
CMD_CH.send(LowPowerCmd::Stop3WfeNoClear).await;
}
b'\r' | b'\n' | b' ' => {}
_ => {
let _ = PIPE_HW_TX.write(b"ERR: use 1|2|3|4|5|6|7\r\n").await;
let _ = PIPE_HW_TX.write(b"Unknown command\r\n").await;
}
}
yield_now().await;
}
}