41 lines
1.2 KiB
Rust
41 lines
1.2 KiB
Rust
pub const BACKUP_REGISTER_COUNT: usize = 20;
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/// Unlock the backup domain
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pub(super) unsafe fn unlock_backup_domain(_clock_config: u8) {
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// FIXME:
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// crate::pac::PWR.cr1().modify(|w| w.set_dbp(true));
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// while !crate::pac::PWR.cr1().read().dbp() {}
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// let reg = crate::pac::RCC.bdcr().read();
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// assert!(!reg.lsecsson(), "RTC is not compatible with LSE CSS, yet.");
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// if !reg.rtcen() || reg.rtcsel().0 != clock_config {
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// crate::pac::RCC.bdcr().modify(|w| w.set_bdrst(true));
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// crate::pac::RCC.bdcr().modify(|w| {
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// // Reset
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// w.set_bdrst(false);
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// // Select RTC source
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// w.set_rtcsel(Rtcsel(clock_config));
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// w.set_rtcen(true);
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// // Restore bcdr
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// w.set_lscosel(reg.lscosel());
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// w.set_lscoen(reg.lscoen());
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// w.set_lseon(reg.lseon());
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// w.set_lsedrv(reg.lsedrv());
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// w.set_lsebyp(reg.lsebyp());
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// });
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// }
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}
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pub(crate) unsafe fn enable_peripheral_clk() {
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// // enable peripheral clock for communication
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// crate::pac::rcc.apb1enr1().modify(|w| w.set_rtcapben(true));
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// // read to allow the pwr clock to enable
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// crate::pac::PWR.cr1().read();
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}
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