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@ -22,47 +22,45 @@ fn main() -> ! {
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}; |
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if let Some(p) = pac::Peripherals::take() { |
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let mut flash = p.FLASH; |
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let mut rcc = p.RCC.configure().freeze(&mut flash); |
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cortex_m::interrupt::free(move |cs| { |
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let mut flash = p.FLASH; |
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let mut rcc = p.RCC.configure().freeze(&mut flash); |
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let gpioa = p.GPIOA.split(&mut rcc); |
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let gpioa = p.GPIOA.split(&mut rcc); |
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// Configure pins for SPI
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let (sck, miso, mosi) = cortex_m::interrupt::free(move |cs| { |
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( |
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gpioa.pa5.into_alternate_af0(cs), |
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gpioa.pa6.into_alternate_af0(cs), |
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gpioa.pa7.into_alternate_af0(cs), |
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) |
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}); |
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// Configure pins for SPI
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let sck = gpioa.pa5.into_alternate_af0(cs); |
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let miso = gpioa.pa6.into_alternate_af0(cs); |
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let mosi = gpioa.pa7.into_alternate_af0(cs); |
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// Configure SPI with 100kHz rate
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let mut spi = Spi::spi1(p.SPI1, (sck, miso, mosi), MODE, 100_000.hz(), &mut rcc); |
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// Configure SPI with 100kHz rate
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let mut spi = Spi::spi1(p.SPI1, (sck, miso, mosi), MODE, 100_000.hz(), &mut rcc); |
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// Cycle through colors on 16 chained APA102C LEDs
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loop { |
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for r in 0..255 { |
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let _ = spi.write(&[0, 0, 0, 0]); |
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for _i in 0..16 { |
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let _ = spi.write(&[0b1110_0001, 0, 0, r]); |
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// Cycle through colors on 16 chained APA102C LEDs
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loop { |
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for r in 0..255 { |
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let _ = spi.write(&[0, 0, 0, 0]); |
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for _i in 0..16 { |
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let _ = spi.write(&[0b1110_0001, 0, 0, r]); |
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} |
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let _ = spi.write(&[0xFF, 0xFF, 0xFF, 0xFF]); |
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} |
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let _ = spi.write(&[0xFF, 0xFF, 0xFF, 0xFF]); |
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} |
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for b in 0..255 { |
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let _ = spi.write(&[0, 0, 0, 0]); |
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for _i in 0..16 { |
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let _ = spi.write(&[0b1110_0001, b, 0, 0]); |
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for b in 0..255 { |
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let _ = spi.write(&[0, 0, 0, 0]); |
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for _i in 0..16 { |
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let _ = spi.write(&[0b1110_0001, b, 0, 0]); |
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} |
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let _ = spi.write(&[0xFF, 0xFF, 0xFF, 0xFF]); |
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} |
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let _ = spi.write(&[0xFF, 0xFF, 0xFF, 0xFF]); |
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} |
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for g in 0..255 { |
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let _ = spi.write(&[0, 0, 0, 0]); |
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for _i in 0..16 { |
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let _ = spi.write(&[0b1110_0001, 0, g, 0]); |
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for g in 0..255 { |
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let _ = spi.write(&[0, 0, 0, 0]); |
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for _i in 0..16 { |
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let _ = spi.write(&[0b1110_0001, 0, g, 0]); |
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} |
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let _ = spi.write(&[0xFF, 0xFF, 0xFF, 0xFF]); |
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} |
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let _ = spi.write(&[0xFF, 0xFF, 0xFF, 0xFF]); |
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} |
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} |
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}); |
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} |
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loop { |
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