Flashing works.

esp/rust/04_no-std-aht20/src/main.rs

@@ -1,6 +1,13 @@
 #![no_std]
 #![no_main]
 
+use embedded_hal::{delay::DelayNs, i2c::I2c as I2cEmbedded};
+use esp_backtrace as _;
+use esp_hal::{
+    delay::Delay,
+    xtensa_lx_rt::entry,
+};
+
 /// Represents a reading from the sensor.
 pub struct SensorReading<T> {
     pub humidity: T,
@@ -111,19 +118,15 @@ impl<I: I2cEmbedded, D: DelayNs> Dht20<I, D> {
     }
 }
 
-use embedded_hal::{delay::DelayNs, i2c::I2c as I2cEmbedded};
-use esp_backtrace as _;
-use esp_hal::{
-    clock::CpuClock,
-    delay::Delay,
-    gpio::{Level, Pull},
-    i2c::master::I2c,
-    xtensa_lx_rt::entry,
-};
-use fugit::{ExtU64, HertzU32};
+// #[panic_handler]
+// fn panic(_: &core::panic::PanicInfo) -> ! {
+//     loop {}
+// }
 
+esp_bootloader_esp_idf::esp_app_desc!();
 #[entry]
 fn main() -> ! {
+
     let peripherals = esp_hal::init(esp_hal::Config::default());
     esp_println::logger::init_logger_from_env();
     let mut delay = Delay::new();
@@ -132,8 +135,8 @@ fn main() -> ! {
     let i2c_for_dht20 =
         esp_hal::i2c::master::I2c::new(peripherals.I2C0, esp_hal::i2c::master::Config::default())
             .unwrap()
-            .with_sda(peripherals.pins.gpio21)
-            .with_scl(peripherals.pins.gpio22);
+            .with_sda(peripherals.GPIO21)
+            .with_scl(peripherals.GPIO22);
     let mut dht20 = Dht20::new(i2c_for_dht20, delay);
 
     loop {