Example for reading from stdin

examples/stdin_read.rs

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+//! A simple example of how to read from the ESP-IDF console
+
+use esp_idf_hal::gpio::AnyIOPin;
+use esp_idf_svc::hal::peripherals::Peripherals;
+use esp_idf_svc::hal::uart::UartDriver;
+use esp_idf_svc::io::vfs::BlockingStdIo;
+use esp_idf_svc::sys::EspError;
+
+use std::io::Write;
+
+fn main() -> Result<(), EspError> {
+    esp_idf_svc::sys::link_patches();
+    esp_idf_svc::log::EspLogger::initialize_default();
+
+    // NOTE: This example assumes that the console configuration is not altered by the user
+    // by using non-default `CONFIG_ESP_CONSOLE_*` settings in `sdkconfig.defaults`
+    //
+    // The default configuration is:
+    // - UART0
+    // - 115200 baud rate
+    // - 8N1
+    // - RTS/CTS disabled
+    // - No flow control
+    // - The default TX/RX pins for UART0 (1 & 3 for ESP32, 17 & 16 for ESP32-S2 and so on.)
+
+    let peripherals = Peripherals::take()?;
+
+    let uart_driver = UartDriver::new(
+        peripherals.uart0,
+        // Change this to the correct UART0 TX pin for your MCU if you are not using esp32
+        peripherals.pins.gpio1,
+        // Change this to the correct UART0 RX pin for your MCU if you are not using esp32
+        peripherals.pins.gpio3,
+        Option::<AnyIOPin>::None,
+        Option::<AnyIOPin>::None,
+        &Default::default(),
+    )?;
+
+    // Keep it around till the end of your program
+    // If you drop it, the console will go back to non-blocking UART mode
+    let _blocking_io = BlockingStdIo::uart(uart_driver)?;
+
+    loop {
+        print!("Enter a message: ");
+        std::io::stdout().flush().unwrap();
+
+        let mut buffer = String::new();
+        std::io::stdin().read_line(&mut buffer).unwrap();
+
+        println!("You entered: {}", buffer);
+    }
+}