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MabezDev/esp_wdt.rs

Created September 14, 2019 15:32
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esp_wdt.rs
/// Feed the WDT watchdog
pub fn feed_wdt() {
const RTC_WDT_BASE: u32 = 0x3ff48000;
const RTC_WDT_WPROTECT: u32 = RTC_WDT_BASE + 0xa4;
const RTC_WDT_FEED: u32 = RTC_WDT_BASE + 0xa0;
unsafe {
core::ptr::write_volatile(RTC_WDT_WPROTECT as *mut _, 0); // disable write protection
{
core::ptr::write_volatile(RTC_WDT_FEED as *mut _, 0x1); // feed the watch dog
}
core::ptr::write_volatile(RTC_WDT_WPROTECT as *mut _, 1); // enable write protection
}
}
@lockness-Ko
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How did you get the values for the address?

@MabezDev
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MabezDev commented Feb 3, 2024

The reference manual. This was just used for demo purposes a full implementation for all drivers, including TIMG0, can be found in esp-hal.

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