From 9b77aa29594c56a2f2a9ff95626669249ca66ada Mon Sep 17 00:00:00 2001
From: Evan Feenstra <evanfeenstra@gmail.com>
Date: Mon, 8 May 2023 08:08:25 +0100
Subject: [PATCH] reset button thread looper

---
 sphinx-key/src/core/events.rs   |  3 +++
 sphinx-key/src/main.rs          |  6 +++++-
 sphinx-key/src/periph/button.rs | 23 +++++++++++++++++++++++
 sphinx-key/src/periph/led.rs    |  5 ++---
 sphinx-key/src/periph/mod.rs    |  1 +
 5 files changed, 34 insertions(+), 4 deletions(-)
 create mode 100644 sphinx-key/src/periph/button.rs

diff --git a/sphinx-key/src/core/events.rs b/sphinx-key/src/core/events.rs
index 8670a1a..b39770b 100644
--- a/sphinx-key/src/core/events.rs
+++ b/sphinx-key/src/core/events.rs
@@ -41,6 +41,9 @@ pub enum Status {
     Connected,
     Signing,
     Ota,
+    Reset1,
+    Reset2,
+    Reset3,
 }
 
 pub const ROOT_STORE: &str = "/sdcard/store";
diff --git a/sphinx-key/src/main.rs b/sphinx-key/src/main.rs
index 8ce3c02..b85b50f 100644
--- a/sphinx-key/src/main.rs
+++ b/sphinx-key/src/main.rs
@@ -7,6 +7,7 @@ mod periph;
 use crate::core::control::{controller_from_seed, FlashPersister};
 use crate::core::{config::*, events::*};
 // use crate::periph::led::led_control_loop;
+use crate::periph::button::button_loop;
 #[allow(unused_imports)]
 use crate::periph::sd::{mount_sd_card, simple_fs_test};
 
@@ -39,12 +40,15 @@ fn main() -> Result<()> {
     thread::sleep(Duration::from_secs(1));
 
     let peripherals = Peripherals::take().unwrap();
-    let _pins = peripherals.pins;
+    let pins = peripherals.pins;
 
     let (led_tx, _led_rx) = mpsc::channel();
     // LED control thread
     // led_control_loop(pins.gpio0, peripherals.rmt.channel0, led_rx);
 
+    // BUTTON thread
+    button_loop(pins.gpio8, led_tx.clone());
+
     led_tx.send(Status::MountingSDCard).unwrap();
     println!("About to mount the sdcard...");
     while let Err(_e) = mount_sd_card() {
diff --git a/sphinx-key/src/periph/button.rs b/sphinx-key/src/periph/button.rs
new file mode 100644
index 0000000..e2ebb84
--- /dev/null
+++ b/sphinx-key/src/periph/button.rs
@@ -0,0 +1,23 @@
+use crate::core::events::Status;
+use esp_idf_hal::gpio;
+use esp_idf_hal::gpio::*;
+use std::sync::mpsc;
+use std::thread;
+use std::time::Duration;
+
+pub fn button_loop(gpio8: gpio::Gpio8, tx: mpsc::Sender<Status>) {
+    thread::spawn(move || {
+        let mut button = PinDriver::input(gpio8).unwrap();
+        button.set_pull(Pull::Down).unwrap();
+        loop {
+            // we are using thread::sleep here to make sure the watchdog isn't triggered
+            thread::sleep(Duration::from_millis(10));
+            if button.is_high() {
+                log::info!("=> GPIO8 HIGH!");
+                tx.send(Status::Reset1).unwrap();
+            } else {
+                log::info!("=> GPIO8 LOW!");
+            }
+        }
+    });
+}
diff --git a/sphinx-key/src/periph/led.rs b/sphinx-key/src/periph/led.rs
index 05fef42..37ecdeb 100644
--- a/sphinx-key/src/periph/led.rs
+++ b/sphinx-key/src/periph/led.rs
@@ -1,6 +1,4 @@
 use crate::core::events::Status;
-// use embedded_hal::delay::blocking::DelayUs;
-use esp_idf_hal::delay::FreeRtos;
 use esp_idf_hal::rmt::config::TransmitConfig;
 use esp_idf_hal::rmt::{FixedLengthSignal, PinState, Pulse, TxRmtDriver};
 use esp_idf_hal::{gpio, rmt};
@@ -84,7 +82,8 @@ impl Led {
         }
         // Set high and wait
         tx.start_blocking(&signal).unwrap();
-        FreeRtos::delay_ms(self.blink_length);
+        // FreeRtos::delay_ms(self.blink_length);
+        thread::sleep(Duration::from_millis(self.blink_length.into()));
         // Set low
         let mut signal = FixedLengthSignal::<24>::new();
         for i in 0..24 {
diff --git a/sphinx-key/src/periph/mod.rs b/sphinx-key/src/periph/mod.rs
index bb1f34b..9677bf2 100644
--- a/sphinx-key/src/periph/mod.rs
+++ b/sphinx-key/src/periph/mod.rs
@@ -1,2 +1,3 @@
+pub mod button;
 pub mod led;
 pub mod sd;