From 574b0cb4fe90ca862af4bf8aae65b2082cf2d469 Mon Sep 17 00:00:00 2001
From: Jakob Lechner <mail@jalr.de>
Date: Tue, 23 Sep 2025 20:30:34 +0200
Subject: [PATCH] Add fast blinking after reset

---
 src/main.rs | 34 +++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 20d6c98..0136bce 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -116,8 +116,6 @@ fn main() -> ! {
         .self_powered(false)
         .build();
 
-    let mut start_time: u64 = 0;
-
     let mut storage: [u8; (DISK_BLOCK_SIZE * DISK_BLOCK_NUM) as usize] = [0u8; (DISK_BLOCK_SIZE * DISK_BLOCK_NUM) as usize];
 
     const LBA: u32 = DISK_BLOCK_NUM - 1;
@@ -177,20 +175,26 @@ fn main() -> ! {
 
     defmt::info!("entering main loop");
 
+    let mut start_time: u64 = 0;
     loop {
-        let interval = match (usb_device.state(), led_pin.is_set_high().unwrap_or_else(|_| false)) {
-            // The USB device has just been created or reset.
-            (UsbDeviceState::Default, true) => 100_000,
-            (UsbDeviceState::Default, false) => 100_000,
-            // The USB device has received an address from the host.
-            (UsbDeviceState::Addressed, true) => 250_000,
-            (UsbDeviceState::Addressed, false) => 250_000,
-            // The USB device has been configured and is fully functional.
-            (UsbDeviceState::Configured, true) => 1_000_000,
-            (UsbDeviceState::Configured, false) => 0,
-            // The USB device has been suspended by the host or it has been unplugged from the USB bus.
-            (UsbDeviceState::Suspend, true) => 25_000,
-            (UsbDeviceState::Suspend, false) => 2_000_000,
+        let interval = if timer.get_counter().ticks() < 2_000_000 {
+            25_000
+        }
+        else {
+            match (usb_device.state(), led_pin.is_set_high().unwrap_or_else(|_| false)) {
+                // The USB device has just been created or reset.
+                (UsbDeviceState::Default, true) => 100_000,
+                (UsbDeviceState::Default, false) => 100_000,
+                // The USB device has received an address from the host.
+                (UsbDeviceState::Addressed, true) => 250_000,
+                (UsbDeviceState::Addressed, false) => 250_000,
+                // The USB device has been configured and is fully functional.
+                (UsbDeviceState::Configured, true) => 1_000_000,
+                (UsbDeviceState::Configured, false) => 0,
+                // The USB device has been suspended by the host or it has been unplugged from the USB bus.
+                (UsbDeviceState::Suspend, true) => 25_000,
+                (UsbDeviceState::Suspend, false) => 2_000_000,
+            }
         };
         if timer.get_counter().ticks() - start_time > interval {
             let _ = led_pin.toggle();