adds blocking pwm working impl for the spinnyboy in rust based on the esp32c6

spinnyboy_rust/src/bin/main.rs

@@ -0,0 +1,84 @@
+#![no_std]
+#![no_main]
+#![deny(
+    clippy::mem_forget,
+    reason = "mem::forget is generally not safe to do with esp_hal types, especially those \
+    holding buffers for the duration of a data transfer."
+)]
+
+use esp_hal::clock::CpuClock;
+use esp_hal::mcpwm::operator::PwmPinConfig;
+use esp_hal::mcpwm::timer::PwmWorkingMode;
+use esp_hal::time::Rate;
+use esp_hal::timer::timg::TimerGroup;
+use esp_hal::main;
+use esp_hal::time::{Duration, Instant};
+use esp_hal::delay::Delay;
+use rtt_target::rprintln;
+#[panic_handler]
+fn panic(_: &core::panic::PanicInfo) -> ! {
+    loop {}
+}
+
+extern crate alloc;
+
+// This creates a default app-descriptor required by the esp-idf bootloader.
+// For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
+esp_bootloader_esp_idf::esp_app_desc!();
+
+#[main]
+fn main() -> ! {
+    // generator version: 1.0.1
+
+    rtt_target::rtt_init_print!();
+
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
+    let system = peripherals.SYSTEM;
+    let mut delay = Delay::new();
+
+    esp_alloc::heap_allocator!(#[esp_hal::ram(reclaimed)] size: 65536);
+    let clock_config = esp_hal::mcpwm::PeripheralClockConfig::with_frequency(Rate::from_mhz(32)).unwrap();
+    let mut mcpwm = esp_hal::mcpwm::McPwm::new(peripherals.MCPWM0, clock_config);
+    mcpwm.operator0.set_timer(&mcpwm.timer0);
+    let pin = peripherals.GPIO18;
+
+    let mut pwm_pin = mcpwm.operator0.with_pin_a(pin, PwmPinConfig::UP_ACTIVE_HIGH);
+        let timer_clock_cfg = clock_config
+        .timer_clock_with_frequency(19_999, PwmWorkingMode::Increase, Rate::from_hz(50))
+        .unwrap();
+    mcpwm.timer0.start(timer_clock_cfg);
+
+    pwm_pin.set_timestamp(1000);
+    delay.delay_millis(3000); 
+    rprintln!("WUT?");
+    pwm_pin.set_timestamp(1121);
+    delay.delay_millis(1000);    
+    
+    pwm_pin.set_timestamp(1055);
+    delay.delay_millis(3000);    
+        
+    // Example: Ramp from 0% to 50% throttle
+        //the afro esc starts turning at roughly setup gets a PWM at 
+    //loop{
+    //     for pulse in 1120..1500 {
+    //         rprintln!("pulse:{}",pulse);
+    //         pwm_pin.set_timestamp(pulse);
+    //         Timer::after_millis(3000).await;
+    //     }
+        
+    //     Timer::after_millis(1000).await;
+        
+    //     // Return to idle
+    //     pwm_pin.set_timestamp(1000);
+    //     Timer::after_millis(1000).await;
+    // }
+
+    loop {
+        rprintln!("Hello world!");
+    delay.delay_millis(3000);    
+
+    }
+
+    // for inspiration have a look at the examples at https://github.com/esp-rs/esp-hal/tree/esp-hal-v1.0.0/examples/src/bin
+}

spinnyboy_rust/src/lib.rs

@@ -0,0 +1 @@
+#![no_std]