sd card detection works (own embassy task)

src/feedback.rs

@@ -1,18 +1,18 @@
 use embassy_time::{Delay, Duration, Timer};
 use esp_hal::{delay, gpio::Output, peripherals, rmt::ConstChannelAccess};
 use esp_hal_smartled::SmartLedsAdapterAsync;
-use log::{debug, error, info};
 use init::hardware;
+use log::{debug, error, info};
+use smart_leds::SmartLedsWriteAsync;
 use smart_leds::colors::{BLACK, GREEN, RED, YELLOW};
 use smart_leds::{brightness, colors::BLUE};
-use smart_leds::SmartLedsWriteAsync;
 
 use crate::{FEEDBACK_STATE, init};
 
 #[derive(Copy, Clone, Debug)]
 pub enum FeedbackState {
     Ack,
-    Nak,
+    Nack,
     Error,
     Startup,
     WIFI,
@@ -24,21 +24,37 @@ const LED_LEVEL: u8 = 255;
 //TODO ERROR STATE: 1 Blink = unknows error,  3 Blink = no sd card
 
 #[embassy_executor::task]
-pub async fn feedback_task(mut led: SmartLedsAdapterAsync<ConstChannelAccess<esp_hal::rmt::Tx, 0>, { init::hardware::LED_BUFFER_SIZE }>, buzzer: peripherals::GPIO21<'static>) {
+pub async fn feedback_task(
+    mut led: SmartLedsAdapterAsync<
+        ConstChannelAccess<esp_hal::rmt::Tx, 0>,
+        { init::hardware::LED_BUFFER_SIZE },
+    >,
+    buzzer: peripherals::GPIO21<'static>,
+) {
     debug!("Starting feedback task");
     let mut buzzer = init::hardware::setup_buzzer(buzzer);
     loop {
         let feedback_state = FEEDBACK_STATE.wait().await;
         match feedback_state {
             FeedbackState::Ack => {
-                led.write(brightness([GREEN; init::hardware::NUM_LEDS].into_iter(),  LED_LEVEL)).await.unwrap();
+                led.write(brightness(
+                    [GREEN; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
                 buzzer.set_high();
                 Timer::after(Duration::from_millis(100)).await;
                 buzzer.set_low();
                 Timer::after(Duration::from_millis(50)).await;
             }
-            FeedbackState::Nak => {
-                led.write(brightness([YELLOW; init::hardware::NUM_LEDS].into_iter(),  LED_LEVEL)).await.unwrap();
+            FeedbackState::Nack => {
+                led.write(brightness(
+                    [YELLOW; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
                 buzzer.set_high();
                 Timer::after(Duration::from_millis(100)).await;
                 buzzer.set_low();
@@ -46,10 +62,20 @@ pub async fn feedback_task(mut led: SmartLedsAdapterAsync<ConstChannelAccess<esp
                 buzzer.set_high();
                 Timer::after(Duration::from_millis(100)).await;
                 buzzer.set_low();
-                led.write(brightness([BLACK; init::hardware::NUM_LEDS].into_iter(),  LED_LEVEL)).await.unwrap();
+                led.write(brightness(
+                    [BLACK; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
             }
             FeedbackState::Error => {
-                led.write(brightness([RED; init::hardware::NUM_LEDS].into_iter(),  LED_LEVEL)).await.unwrap();
+                led.write(brightness(
+                    [RED; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
                 buzzer.set_high();
                 Timer::after(Duration::from_millis(500)).await;
                 buzzer.set_low();
@@ -59,7 +85,12 @@ pub async fn feedback_task(mut led: SmartLedsAdapterAsync<ConstChannelAccess<esp
                 buzzer.set_low();
             }
             FeedbackState::Startup => {
-                led.write(brightness([GREEN; init::hardware::NUM_LEDS].into_iter(),  LED_LEVEL)).await.unwrap();
+                led.write(brightness(
+                    [GREEN; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
                 buzzer.set_high();
                 Timer::after(Duration::from_millis(10)).await;
                 buzzer.set_low();
@@ -71,20 +102,34 @@ pub async fn feedback_task(mut led: SmartLedsAdapterAsync<ConstChannelAccess<esp
                 buzzer.set_high();
                 Timer::after(Duration::from_millis(100)).await;
                 buzzer.set_low();
-                led.write(brightness([BLACK; init::hardware::NUM_LEDS].into_iter(),  LED_LEVEL)).await.unwrap();
+                led.write(brightness(
+                    [BLACK; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
             }
             FeedbackState::WIFI => {
-                led.write(brightness([BLUE; init::hardware::NUM_LEDS].into_iter(),  LED_LEVEL)).await.unwrap();
+                led.write(brightness(
+                    [BLUE; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
             }
             FeedbackState::Idle => {
-                // Do nothing
+                led.write(brightness(
+                    [GREEN; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
             }
         };
         debug!("Feedback state: {:?}", feedback_state);
     }
 }
 
-
 // async fn beep_ack() {
 //     buzzer.set_high();
 //     buzzer.set_low();

src/init/hardware.rs

@@ -1,8 +1,13 @@
+use core::cell::RefCell;
+
 use bleps::att::Att;
+use critical_section::Mutex;
+use ds3231::InterruptControl;
 use embassy_executor::Spawner;
 use embassy_net::Stack;
 
 use embassy_time::{Duration, Timer};
+use esp_hal::gpio::{Input, InputConfig};
 use esp_hal::i2c::master::Config;
 use esp_hal::peripherals::{
     GPIO0, GPIO1, GPIO16, GPIO17, GPIO18, GPIO19, GPIO20, GPIO21, GPIO22, GPIO23, I2C0, RMT, SPI2,
@@ -27,6 +32,7 @@ use esp_println::dbg;
 use esp_println::logger::init_logger;
 use log::{debug, error, info};
 
+use crate::FEEDBACK_STATE;
 use crate::init::network;
 use crate::init::sd_card::setup_sdcard;
 use crate::init::wifi;
@@ -53,6 +59,8 @@ use crate::store::persistence::Persistence;
 pub const NUM_LEDS: usize = 66;
 pub const LED_BUFFER_SIZE: usize = NUM_LEDS * 25;
 
+static SD_DET: Mutex<RefCell<Option<Input>>> = Mutex::new(RefCell::new(None));
+
 #[panic_handler]
 fn panic(info: &core::panic::PanicInfo) -> ! {
     loop {
@@ -70,6 +78,7 @@ pub async fn hardware_init(
     I2c<'static, Async>,
     SmartLedsAdapterAsync<ConstChannelAccess<esp_hal::rmt::Tx, 0>, LED_BUFFER_SIZE>,
     GPIO21<'static>,
+    GPIO0<'static>,
 ) {
     let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
     let peripherals = esp_hal::init(config);
@@ -90,12 +99,13 @@ pub async fn hardware_init(
     let stack = network::setup_network(network_seed, interfaces.ap, spawner);
 
     Timer::after(Duration::from_millis(1)).await;
-    init_lvl_shifter(peripherals.GPIO0);
 
     let uart_device = setup_uart(peripherals.UART1, peripherals.GPIO16, peripherals.GPIO17);
 
     let i2c_device = setup_i2c(peripherals.I2C0, peripherals.GPIO22, peripherals.GPIO23);
 
+    let mut sd_det_gpio = peripherals.GPIO0;
+
     let spi_bus = setup_spi(
         peripherals.SPI2,
         peripherals.GPIO19,
@@ -119,19 +129,14 @@ pub async fn hardware_init(
 
     debug!("hardware init done");
 
-    (uart_device, stack, i2c_device, led, buzzer_gpio)
-}
-
-// Initialize the level shifter for the NFC reader and LED (output-enable (OE) input is low, all outputs are placed in the high-impedance (Hi-Z) state)
-fn init_lvl_shifter(oe_pin: GPIO0<'static>) {
-    let mut oe_lvl_shifter = Output::new(
-        oe_pin,
-        esp_hal::gpio::Level::Low,
-        OutputConfig::default()
-            .with_drive_mode(esp_hal::gpio::DriveMode::PushPull)
-            .with_drive_strength(esp_hal::gpio::DriveStrength::_10mA),
-    );
-    oe_lvl_shifter.set_high();
+    (
+        uart_device,
+        stack,
+        i2c_device,
+        led,
+        buzzer_gpio,
+        sd_det_gpio,
+    )
 }
 
 fn setup_uart(

src/main.rs

@@ -6,16 +6,21 @@
 use embassy_executor::Spawner;
 use embassy_net::Stack;
 use embassy_sync::{
-    blocking_mutex::raw::{CriticalSectionRawMutex, NoopRawMutex}, channel::Channel, pubsub::{
+    blocking_mutex::raw::{CriticalSectionRawMutex, NoopRawMutex},
+    channel::Channel,
+    pubsub::{
         PubSubChannel, Publisher,
         WaitResult::{Lagged, Message},
-    }, signal::Signal
+    },
+    signal::Signal,
 };
 use embassy_time::{Duration, Timer};
+use esp_hal::gpio::Input;
+use esp_hal::{gpio::InputConfig, peripherals};
 use log::{debug, info};
 use static_cell::make_static;
 
-use crate::{store::TallyID};
+use crate::store::TallyID;
 
 extern crate alloc;
 
@@ -32,7 +37,7 @@ type TallyPublisher = Publisher<'static, NoopRawMutex, TallyID, 8, 2, 1>;
 
 #[esp_hal_embassy::main]
 async fn main(mut spawner: Spawner) {
-    let (uart_device, stack, _i2c, _led, buzzer_gpio) =
+    let (uart_device, stack, _i2c, _led, buzzer_gpio, sd_det_gpio) =
         init::hardware::hardware_init(&mut spawner).await;
 
     wait_for_stack_up(stack).await;
@@ -56,6 +61,9 @@ async fn main(mut spawner: Spawner) {
 
     debug!("spawing feedback task..");
     spawner.must_spawn(feedback::feedback_task(_led, buzzer_gpio));
+
+    debug!("spawn sd detect task");
+    spawner.must_spawn(sd_detect_task(sd_det_gpio));
     /******************************************************************************/
 
     let mut sub = chan.subscriber().unwrap();
@@ -76,6 +84,29 @@ async fn main(mut spawner: Spawner) {
     }
 }
 
+#[embassy_executor::task]
+async fn sd_detect_task(sd_det_gpio: peripherals::GPIO0<'static>) {
+    let mut sd_det = Input::new(sd_det_gpio, InputConfig::default());
+    sd_det.wait_for(esp_hal::gpio::Event::AnyEdge);
+
+    loop {
+        sd_det.wait_for_any_edge().await;
+        {
+            if sd_det.is_high() {
+                FEEDBACK_STATE.signal(feedback::FeedbackState::Ack);
+                debug!("card insert");
+            }
+            //card is not insert on low
+            else {
+                FEEDBACK_STATE.signal(feedback::FeedbackState::Nack);
+                debug!("card removed");
+            }
+        }
+        //debounce time
+        Timer::after(Duration::from_millis(100)).await;
+    }
+}
+
 async fn wait_for_stack_up(stack: Stack<'static>) {
     loop {
         if stack.is_link_up() {