35 lines
951 B
Rust
35 lines
951 B
Rust
//! Simple blinky example
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#![no_main]
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#![no_std]
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use cortex_m_rt::entry;
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use panic_halt as _;
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use va416xx_hal::pac;
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// Mask for the LED
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const LED_PG5: u32 = 1 << 5;
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#[entry]
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fn main() -> ! {
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// SAFETY: Peripherals are only stolen once here.
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let dp = unsafe { pac::Peripherals::steal() };
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// Enable all peripheral clocks
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dp.sysconfig
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.peripheral_clk_enable()
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.modify(|_, w| unsafe { w.bits(0xffffffff) });
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dp.portg.dir().modify(|_, w| unsafe { w.bits(LED_PG5) });
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dp.portg
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.datamask()
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.modify(|_, w| unsafe { w.bits(LED_PG5) });
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for _ in 0..10 {
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dp.portg.clrout().write(|w| unsafe { w.bits(LED_PG5) });
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cortex_m::asm::delay(2_000_000);
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dp.portg.setout().write(|w| unsafe { w.bits(LED_PG5) });
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cortex_m::asm::delay(2_000_000);
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}
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loop {
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dp.portg.togout().write(|w| unsafe { w.bits(LED_PG5) });
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cortex_m::asm::delay(2_000_000);
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}
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}
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