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