diff options
author | Determinant <[email protected]> | 2017-10-30 00:42:00 -0400 |
---|---|---|
committer | Determinant <[email protected]> | 2017-10-30 00:42:00 -0400 |
commit | d944ac11ebf76d37b9588362a573324c7878842d (patch) | |
tree | 48b9c93339fe0c37f12f0cb348dea74eb43cc191 /src | |
parent | 296a044ec94bd18b8fa6a9d279fc76363cee9132 (diff) |
support auto display on/off
Diffstat (limited to 'src')
-rw-r--r-- | src/main.rs | 76 |
1 files changed, 63 insertions, 13 deletions
diff --git a/src/main.rs b/src/main.rs index 41bcafc..8bf97b0 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,6 +1,7 @@ #![no_std] #![feature(asm)] -#![feature(const_fn)] +#![feature(const_cell_new)] +#![feature(const_refcell_new)] #[macro_use] extern crate stm32f103xx; extern crate cortex_m; @@ -30,6 +31,10 @@ fn inc_rotate(n: &mut u8, reset: u8, limit: u8) { } } +fn countdown(n: u32) -> u32 { + if n > 0 { n - 1 } else { n } +} + struct ShiftRegister<'a> { gpioa: &'a gpioa::RegisterBlock, width: u8, @@ -42,6 +47,13 @@ struct Time { hr: u8, } +#[derive(PartialEq, Clone, Copy)] +enum DispState { + On, + Off, + TempOn +} + struct GlobalState<'a> { perip: Option<Peripherals<'a>>, disp: Option<ShiftRegister<'a>>, @@ -52,7 +64,10 @@ struct GlobalState<'a> { i2c_inited: bool, sync_cnt: Cell<u8>, buff: RefCell<[u8; 6]>, - disp_on: bool, + disp_state: Cell<DispState>, + tempon_cycle: Cell<u16>, + tempon_peroid: Cell<u16>, + tempon_cnt: Cell<u16>, blinky: RefCell<[bool; 6]>, blink_state: Cell<bool>, blinky_enabled: Cell<Option<u8>>, @@ -616,14 +631,14 @@ impl<'a> CountdownPanel<'a> { if self.state.get() == CountdownPanelState::Inactive { return } - let x = self.counter.get(); + let x = countdown(self.counter.get()); if x == 0 { let tim = self.gs.perip.as_ref().unwrap().TIM3; let timer = tim::Timer(tim); timer.stop(); self.state.set(CountdownPanelState::TimeUp); } else { - self.counter.set(x - 1); + self.counter.set(x); } self.update_output(); } @@ -726,7 +741,7 @@ impl<'a> AlarmEventManager<'a> { unsafe { for v in &mut *self.events.get() { if v.free {continue;} - v.cnt -= 1; + v.cnt = countdown(v.cnt); if v.cnt == 0 { v.cb.timeout(); v.free = true; @@ -760,12 +775,12 @@ impl<'a> GlobalState<'a> { let mut buff = *self.buff.borrow(); let b = self.blink_state.get(); let bs = self.blinky.borrow(); - if self.disp_on { - for (i, v) in buff.iter_mut().enumerate() { - if b && bs[i] { *v = 0xf; } - } - } else { - for i in buff.iter_mut() { *i = 0xf; } + match self.disp_state.get() { + DispState::On | DispState::TempOn => + for (i, v) in buff.iter_mut().enumerate() { + if b && bs[i] { *v = 0xf; } + }, + DispState::Off => for i in buff.iter_mut() { *i = 0xf; } } self.disp.as_ref().unwrap().output_bits(digits2bcds(&buff[..])); } @@ -823,6 +838,26 @@ impl<'a> GlobalState<'a> { } else { self.sync_cnt.set(self.sync_cnt.get() - 1); } + let tcnt = countdown(self.tempon_cnt.get() as u32) as u16; + match self.disp_state.get() { + DispState::Off => { + if tcnt == 0 { + self.disp_state.set(DispState::TempOn); + self.tempon_cnt.set(self.tempon_peroid.get()); + } else { + self.tempon_cnt.set(tcnt); + } + }, + DispState::TempOn => { + if tcnt == 0 { + self.disp_state.set(DispState::Off); + self.tempon_cnt.set(self.tempon_cycle.get()); + } else { + self.tempon_cnt.set(tcnt); + } + }, + _ => () + } unsafe { TIME_PANEL.update_clock(clk); DATE_PANEL.update_clock(d); @@ -893,6 +928,15 @@ fn exti3_handler() { match btn1.release() { ButtonResult::FalseAlarm => (), ButtonResult::ShortPress => { + match gs.disp_state.get() { + DispState::Off => { + gs.disp_state.set(DispState::On); + gs.display(); + return; + }, + DispState::TempOn => gs.disp_state.set(DispState::On), + _ => () + } if !gs.panels[gs.pidx].btn1_short() { gs.pidx += 1; if gs.pidx == gs.panels.len() { @@ -901,7 +945,10 @@ fn exti3_handler() { gs.panels[gs.pidx].btn1_short(); } }, - ButtonResult::LongPress => { } + ButtonResult::LongPress => { + gs.disp_state.set(DispState::Off); + gs.tempon_cnt.set(gs.tempon_cycle.get()); + } } gs.display(); } @@ -966,7 +1013,10 @@ static mut GS: GlobalState = i2c_inited: false, sync_cnt: Cell::new(0), buff: RefCell::new([0; 6]), - disp_on: true, + disp_state: Cell::new(DispState::On), + tempon_cycle: Cell::new(20), + tempon_peroid: Cell::new(5), + tempon_cnt: Cell::new(0), blinky: RefCell::new([false; 6]), blink_state: Cell::new(false), blinky_enabled: Cell::new(None), |