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#![no_std]
#![no_main]
#[cfg(feature = "rp2040")]
teleprobe_meta::target!(b"rpi-pico");
use defmt::{assert, assert_eq, info};
use embassy_executor::Spawner;
use embassy_rp::config::Config;
use embassy_rp::gpio::{Input, Pull};
use embassy_rp::pwm::{Config as PwmConfig, Pwm};
use embassy_time::{Instant, Timer};
use {defmt_rtt as _, panic_probe as _};
#[cfg(feature = "rp2040")]
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
// Initialize with 200MHz clock configuration for RP2040
let mut config = Config::default();
config.clocks = embassy_rp::clocks::ClockConfig::at_sys_frequency_mhz(200);
let p = embassy_rp::init(config);
info!("RP2040 overclocked to 200MHz!");
info!("System clock frequency: {} Hz", embassy_rp::clocks::clk_sys_freq());
// Test 1: Timer accuracy at 200MHz
info!("Testing timer accuracy at 200MHz...");
let start = Instant::now();
Timer::after_millis(100).await;
let end = Instant::now();
let ms = (end - start).as_millis();
info!("slept for {} ms", ms);
assert!(ms >= 99);
assert!(ms < 110);
info!("Timer test passed!");
// Test 2: PWM functionality at 200MHz
info!("Testing PWM functionality at 200MHz...");
let pwm_cfg = {
let mut c = PwmConfig::default();
c.divider = ((embassy_rp::clocks::clk_sys_freq() / 1_000_000) as u8).into();
c.top = 10000;
c.compare_a = 5000;
c.compare_b = 5000;
c
};
// Test PWM output
let pin1 = Input::new(p.PIN_9, Pull::None);
let _pwm = Pwm::new_output_a(p.PWM_SLICE3, p.PIN_6, pwm_cfg);
Timer::after_millis(1).await;
let initial_state = pin1.is_low();
Timer::after_millis(5).await;
assert_eq!(pin1.is_high(), initial_state);
Timer::after_millis(5).await;
assert_eq!(pin1.is_low(), initial_state);
info!("PWM test passed!");
info!("All tests passed at 200MHz!");
info!("Overclock test successful");
cortex_m::asm::bkpt();
}
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