From a06988834183224461add886aed5fd3fb32760d3 Mon Sep 17 00:00:00 2001
From: Empire Phoenix <empirephoenix@yahoo.de>
Date: Tue, 17 Mar 2026 19:59:55 +0100
Subject: [PATCH] reboot after 5 times error code without powercycle

---
 Software/CAN_Sensor/src/main.rs | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/Software/CAN_Sensor/src/main.rs b/Software/CAN_Sensor/src/main.rs
index 9f6a559..1baa813 100644
--- a/Software/CAN_Sensor/src/main.rs
+++ b/Software/CAN_Sensor/src/main.rs
@@ -6,7 +6,7 @@ use crate::hal::peripherals::CAN1;
 use canapi::id::{plant_id, IDENTIFY_CMD_OFFSET, MOISTURE_DATA_OFFSET};
 use canapi::SensorSlot;
 use ch32_hal::adc::{Adc, SampleTime, ADC_MAX};
-use ch32_hal::can;
+use ch32_hal::{pac};
 use ch32_hal::can::{Can, CanFifo, CanFilter, CanFrame, CanMode};
 use ch32_hal::gpio::{Flex, Level, Output, Pull, Speed};
 use ch32_hal::mode::NonBlocking;
@@ -52,7 +52,9 @@ async fn main(spawner: Spawner) {
     ch32_hal::pac::AFIO.pcfr1().write(|w| w.set_can1_rm(2));
 
     unsafe {
-        static mut HEAP_SPACE: [u8; 4096] = [0; 4096]; // 4 KiB heap, adjust as needed
+        #[allow(static_mut_refs)]
+        static mut HEAP_SPACE: [u8; 4096] = [0; 4096]; // 4 KiB heap
+        #[allow(static_mut_refs)]
         HEAP.init(HEAP_SPACE.as_ptr() as usize, HEAP_SPACE.len());
     }
 
@@ -232,7 +234,7 @@ async fn main(spawner: Spawner) {
         // Create ADC on ADC1 and use PA1 as analog input (Threshold/Trigger)
         let adc = Adc::new(p.ADC1, Default::default());
         let ain = p.PA1;
-        let config = can::can::Config::default();
+        let config = Default::default();
         let can: Can<CAN1, NonBlocking> = Can::new_nb(
             p.CAN1,
             p.PB8,
@@ -293,7 +295,7 @@ async fn detect_stable_pin(pin: &mut Flex<'static>) -> Option<bool> {
     }
 }
 async fn blink_error_loop(info_led: &mut Output<'static>, warn_led: &mut Output<'static>, c_i: u8, c_w: u8) -> ! {
-    loop {
+    for _loop_count in 0..5 {
         // code: 1-4 for PB4..PB7, 5 for PB3 (A/B), 7 for CAN address collision
         for _ in 0..c_i {
             info_led.set_high();
@@ -310,6 +312,25 @@ async fn blink_error_loop(info_led: &mut Output<'static>, warn_led: &mut Output<
         // Pause between sequences
         Timer::after_millis(400).await;
     }
+
+    for _ in 0..5 {
+        info_led.set_high();
+        Timer::after_millis(50).await;
+        info_led.set_low();
+        Timer::after_millis(50).await;
+        warn_led.set_high();
+        Timer::after_millis(50).await;
+        warn_led.set_low();
+        Timer::after_millis(50).await;
+    }
+
+    pac::PFIC.cfgr().modify(|w| {
+        w.set_resetsys(true);
+        w.set_keycode(pac::pfic::vals::Keycode::KEY3); // KEY3 is 0xBEEF, the System Reset key
+    });
+    loop{
+
+    }
 }
 
 #[task]