42 lines
1.2 KiB
Rust
42 lines
1.2 KiB
Rust
//! This shows how to read selected information from eFuses.
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//! e.g. the MAC address
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#![no_std]
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#![no_main]
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use esp32_hal::{
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clock::ClockControl,
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efuse::Efuse,
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pac::Peripherals,
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prelude::*,
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timer::TimerGroup,
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Rtc,
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};
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use esp_backtrace as _;
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use esp_println::println;
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use xtensa_lx_rt::entry;
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#[entry]
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fn main() -> ! {
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let peripherals = Peripherals::take().unwrap();
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let system = peripherals.DPORT.split();
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let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
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let timer_group0 = TimerGroup::new(peripherals.TIMG0, &clocks);
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let mut wdt = timer_group0.wdt;
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let mut rtc = Rtc::new(peripherals.RTC_CNTL);
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// Disable MWDT and RWDT (Watchdog) flash boot protection
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wdt.disable();
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rtc.rwdt.disable();
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println!("MAC address {:02x?}", Efuse::get_mac_address());
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println!("Core Count {}", Efuse::get_core_count());
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println!("Bluetooth enabled {}", Efuse::is_bluetooth_enabled());
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println!("Chip type {:?}", Efuse::get_chip_type());
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println!("Max CPU clock {:?}", Efuse::get_max_cpu_frequency());
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println!("Flash Encryption {:?}", Efuse::get_flash_encryption());
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loop {}
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}
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