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fw-rust: Use chip-generic interrupt utilities

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Instead of manually enabling and disabling interrupts use the
chip-generic interrupt utilities.
This commit is contained in:
finga 2022-03-06 16:54:48 +01:00
parent a688d4c5ed
commit 8315560daa
1 changed files with 99 additions and 103 deletions
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202
firmware/rust/src/main.rs
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@ -63,127 +63,123 @@ static ONDERS_ORG: [[u8; 48]; 2] = [
#[atmega_hal::entry] #[atmega_hal::entry]
fn main() -> ! { fn main() -> ! {
// Disable interrupts when initializing interrupt::free(|_cs| {
interrupt::disable(); // Get peripherals, pins and delay
let dp = Peripherals::take().unwrap();
let pins = pins!(dp);
let mut delay = Delay::<MHz8>::new();
// Get peripherals, pins and delay // Init display backlight
let dp = Peripherals::take().unwrap(); let tc0 = dp.TC0;
let pins = pins!(dp); tc0.tccr0a.write(|w| {
let mut delay = Delay::<MHz8>::new(); w.wgm0().pwm_fast();
w.com0b().match_clear();
w
});
tc0.tccr0b.write(|w| {
w.wgm02().set_bit();
w.cs0().prescale_64();
w
});
tc0.ocr0a.write(|w| unsafe { w.bits(255) });
// TODO: Use EEPROM
tc0.ocr0b.write(|w| unsafe { w.bits(0) });
pins.pd5.into_output();
// Init display backlight // Init SPI
let tc0 = dp.TC0; let (mut spi, _) = Spi::new(
tc0.tccr0a.write(|w| { dp.SPI,
w.wgm0().pwm_fast(); pins.pb5.into_output(),
w.com0b().match_clear(); pins.pb3.into_output(),
w pins.pb4.into_pull_up_input(),
}); pins.pb2.into_output(),
tc0.tccr0b.write(|w| { Settings {
w.wgm02().set_bit(); data_order: DataOrder::MostSignificantFirst,
w.cs0().prescale_64(); clock: SerialClockRate::OscfOver2,
w mode: Mode {
}); polarity: Polarity::IdleLow,
tc0.ocr0a.write(|w| unsafe { w.bits(255) }); phase: Phase::CaptureOnFirstTransition,
// TODO: Use EEPROM },
tc0.ocr0b.write(|w| unsafe { w.bits(0) });
pins.pd5.into_output();
// Init SPI
let (mut spi, _) = Spi::new(
dp.SPI,
pins.pb5.into_output(),
pins.pb3.into_output(),
pins.pb4.into_pull_up_input(),
pins.pb2.into_output(),
Settings {
data_order: DataOrder::MostSignificantFirst,
clock: SerialClockRate::OscfOver2,
mode: Mode {
polarity: Polarity::IdleLow,
phase: Phase::CaptureOnFirstTransition,
}, },
}, );
);
// Init LCD // Init LCD
let mut lcd_cd = pins.pb0.into_output(); let mut lcd_cd = pins.pb0.into_output();
let mut lcd_rst = pins.pb1.into_output(); let mut lcd_rst = pins.pb1.into_output();
// TODO: Test if delay is really needed // TODO: Test if delay is really needed
delay.delay_ms(1_u8);
lcd_rst.set_high();
// TODO: Try to reduce delay to a minimum
delay.delay_ms(5_u8);
block!(spi.send(0x40)).unwrap(); // (6) Set Scroll Line: Display start line 0
block!(spi.send(0xA1)).unwrap(); // (13) Set SEG direction: SEG reverse
block!(spi.send(0xC0)).unwrap(); // (14) Set COM direction: Normal COM0 - COM63
block!(spi.send(0xA6)).unwrap(); // (11) Set Inverse Display: Display inverse off
block!(spi.send(0xA2)).unwrap(); // (17) Set LCD Bias Ratio: Set Bias 1/9 (Duty 1/65)
block!(spi.send(0x2F)).unwrap(); // (5) Set Power Control: Booster, Regulator and Follower on
block!(spi.send(0x27)).unwrap(); // (8) Set VLCD Resistor Ratio: Set Contrast
block!(spi.send(0x81)).unwrap(); // (9) Set Electronic Volume: Set Contrast
block!(spi.send(0x08)).unwrap(); // (9) Set Electronic Volume: Set Contrast // TODO: Use EEPROM
block!(spi.send(0xAF)).unwrap(); // (12) Set Display Enable: Display on
// Clear screen
for page in 0..8 {
block!(spi.send(0x00)).unwrap();
block!(spi.send(0x10)).unwrap();
block!(spi.send(0xB0 + page)).unwrap();
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8); delay.delay_ms(1_u8);
lcd_cd.set_high(); lcd_rst.set_high();
// TODO: Try to reduce delay to a minimum
delay.delay_ms(5_u8);
for _ in 0..102 { block!(spi.send(0x40)).unwrap(); // (6) Set Scroll Line: Display start line 0
block!(spi.send(0xA1)).unwrap(); // (13) Set SEG direction: SEG reverse
block!(spi.send(0xC0)).unwrap(); // (14) Set COM direction: Normal COM0 - COM63
block!(spi.send(0xA6)).unwrap(); // (11) Set Inverse Display: Display inverse off
block!(spi.send(0xA2)).unwrap(); // (17) Set LCD Bias Ratio: Set Bias 1/9 (Duty 1/65)
block!(spi.send(0x2F)).unwrap(); // (5) Set Power Control: Booster, Regulator and Follower on
block!(spi.send(0x27)).unwrap(); // (8) Set VLCD Resistor Ratio: Set Contrast
block!(spi.send(0x81)).unwrap(); // (9) Set Electronic Volume: Set Contrast
block!(spi.send(0x08)).unwrap(); // (9) Set Electronic Volume: Set Contrast // TODO: Use EEPROM
block!(spi.send(0xAF)).unwrap(); // (12) Set Display Enable: Display on
// Clear screen
for page in 0..8 {
block!(spi.send(0x00)).unwrap(); block!(spi.send(0x00)).unwrap();
block!(spi.send(0x10)).unwrap();
block!(spi.send(0xB0 + page)).unwrap();
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8);
lcd_cd.set_high();
for _ in 0..102 {
block!(spi.send(0x00)).unwrap();
}
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8);
lcd_cd.set_low();
} }
// TODO: This delay fixes issues, try find a better solution // Draw sacred chao
delay.delay_ms(1_u8); for (i, page) in SACRED_CHAO.iter().enumerate() {
lcd_cd.set_low(); block!(spi.send(0x0F)).unwrap();
} block!(spi.send(0x11)).unwrap();
block!(spi.send(0xB1 + i as u8)).unwrap();
// Draw sacred chao // TODO: This delay fixes issues, try find a better solution
for (i, page) in SACRED_CHAO.iter().enumerate() { delay.delay_ms(1_u8);
block!(spi.send(0x0F)).unwrap(); lcd_cd.set_high();
block!(spi.send(0x11)).unwrap();
block!(spi.send(0xB1 + i as u8)).unwrap();
// TODO: This delay fixes issues, try find a better solution for segment in page {
delay.delay_ms(1_u8); block!(spi.send(*segment)).unwrap();
lcd_cd.set_high(); }
for segment in page { // TODO: This delay fixes issues, try find a better solution
block!(spi.send(*segment)).unwrap(); delay.delay_ms(1_u8);
lcd_cd.set_low();
} }
// TODO: This delay fixes issues, try find a better solution // Draw onders.org
delay.delay_ms(1_u8); for (i, page) in ONDERS_ORG.iter().enumerate() {
lcd_cd.set_low(); block!(spi.send(0x0A)).unwrap();
} block!(spi.send(0x11)).unwrap();
block!(spi.send(0xB6 + i as u8)).unwrap();
// Draw onders.org // TODO: This delay fixes issues, try find a better solution
for (i, page) in ONDERS_ORG.iter().enumerate() { delay.delay_ms(1_u8);
block!(spi.send(0x0A)).unwrap(); lcd_cd.set_high();
block!(spi.send(0x11)).unwrap();
block!(spi.send(0xB6 + i as u8)).unwrap();
// TODO: This delay fixes issues, try find a better solution for segment in page {
delay.delay_ms(1_u8); block!(spi.send(*segment)).unwrap();
lcd_cd.set_high(); }
for segment in page { // TODO: This delay fixes issues, try find a better solution
block!(spi.send(*segment)).unwrap(); delay.delay_ms(1_u8);
lcd_cd.set_low();
} }
});
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8);
lcd_cd.set_low();
}
// Enable interrupts
unsafe { interrupt::enable() };
#[allow(clippy::empty_loop)] #[allow(clippy::empty_loop)]
loop {} loop {}