44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
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//! # API for utility functions like the Error Detection and Correction (EDAC) block
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//!
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//! Some more information about the recommended scrub rates can be found on the
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//! [Vorago White Paper website](https://www.voragotech.com/resources) in the
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//! application note AN1212
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use va108xx::SYSCONFIG;
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#[derive(PartialEq, Debug)]
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pub enum UtilityError {
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InvalidCounterResetVal,
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}
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/// Enable scrubbing for the ROM
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///
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/// Returns [`UtilityError::InvalidCounterResetVal`] if the scrub rate is 0
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/// (equivalent to disabling) or larger than 24 bits
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pub fn enable_rom_scrubbing(syscfg: &mut SYSCONFIG, scrub_rate: u32) -> Result<(), UtilityError> {
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if scrub_rate == 0 || scrub_rate > u32::pow(2, 24) {
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return Err(UtilityError::InvalidCounterResetVal);
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}
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syscfg.rom_scrub.write(|w| unsafe { w.bits(scrub_rate) });
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Ok(())
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}
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pub fn disable_rom_scrubbing(syscfg: &mut SYSCONFIG) {
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syscfg.rom_scrub.write(|w| unsafe { w.bits(0) })
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}
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/// Enable scrubbing for the RAM
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///
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/// Returns [`UtilityError::InvalidCounterResetVal`] if the scrub rate is 0
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/// (equivalent to disabling) or larger than 24 bits
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pub fn enable_ram_scrubbing(syscfg: &mut SYSCONFIG, scrub_rate: u32) -> Result<(), UtilityError> {
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if scrub_rate == 0 || scrub_rate > u32::pow(2, 24) {
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return Err(UtilityError::InvalidCounterResetVal);
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}
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syscfg.ram_scrub.write(|w| unsafe { w.bits(scrub_rate) });
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Ok(())
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}
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pub fn disable_ram_scrubbing(syscfg: &mut SYSCONFIG) {
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syscfg.ram_scrub.write(|w| unsafe { w.bits(0) })
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}
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