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enable i/o compensation cell

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This commit is contained in:
Robert Jördens 2019-03-20 10:29:13 +00:00
parent cbd9bcd302
commit d3d2d4e4f8
1 changed files with 14 additions and 0 deletions
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14
src/main.rs
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@ -170,6 +170,20 @@ fn main() -> ! {
rcc.cfgr.modify(|_, w| unsafe { w.sw().bits(0b011) }); // pll1p
while rcc.cfgr.read().sws().bits() != 0b011 {}
// CSI for I/O compensationc ell
rcc.cr.modify(|_, w| w.csion().set_bit());
while rcc.cr.read().csirdy().bit_is_clear() {}
rcc.apb4enr.modify(|_, w| w.syscfgen().set_bit());
let syscfg = dp.SYSCFG;
// enable I/O compensation cell
syscfg.cccsr.modify(|_, w|
w.en().set_bit()
.cs().clear_bit()
.hslv().clear_bit()
);
while syscfg.cccsr.read().ready().bit_is_clear() {}
cp.SCB.enable_icache();
cp.SCB.enable_dcache(&mut cp.CPUID);
cp.DWT.enable_cycle_counter();