From 034361faa844e0303140393b44903ebf868e6a4f Mon Sep 17 00:00:00 2001
From: Luca Lizaranzu <luca.lizaranzu@neros.tech>
Date: Thu, 2 Apr 2026 14:09:53 -0700
Subject: [PATCH] test

---
 SHAL/Src/main.cpp | 36 +++++++++++++++++++++++++++++-------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/SHAL/Src/main.cpp b/SHAL/Src/main.cpp
index 8168223..ae01f67 100644
--- a/SHAL/Src/main.cpp
+++ b/SHAL/Src/main.cpp
@@ -4,17 +4,39 @@ int main() {
 
     SHAL_init();
 
-    PIN(A15).setPinMode(PinMode::ALTERNATE_FUNCTION_MODE);
-
-    PIN(A15).setAlternateFunction(GPIO_Alternate_Function::AF2);
-
-    SHAL_TIM1.configurePWM(SHAL_Timer_Channel::CH4, 1, 800, 10);
-
+    /*
+    PIN(A11).setPinMode(PinMode::ALTERNATE_FUNCTION_MODE);
+    PIN(A11).setAlternateFunction(GPIO_Alternate_Function::AF2);
+    SHAL_TIM1.configurePWM(SHAL_Timer_Channel::CH4, 1000, 8000, 4000);
     SHAL_TIM1.start();
+    */
+
+    PIN(A11).setPinMode(PinMode::OUTPUT_MODE);
+
+    //PIN(B4).setPinMode(PinMode::OUTPUT_MODE);
+    //PIN(B4).setHigh();
+
+    RCC->AHBENR |= RCC_AHBENR_GPIOBEN;
+
+    /* Small delay to ensure clock is stable (optional but safe) */
+    for (volatile int i = 0; i < 1000; i++);
+
+    /* 2. Set PB4 as general purpose output */
+    // MODER: 2 bits per pin → pin 4 → bits [9:8]
+    GPIOB->MODER &= ~(3U << (4 * 2));   // Clear mode bits
+    GPIOB->MODER |=  (1U << (4 * 2));   // Set as output (01)
+
+    /* 3. Set PB4 HIGH */
+    GPIOB->BSRR = (1U << 4);  // Atomic set
+
+    PIN(A11).setHigh();
 
     while (true) {
 
 
-        SHAL_delay_ms(2000);
+        PIN(A11).toggle();
+        SHAL_delay_us(10);
+        PIN(A11).toggle();
+
     }
 }
\ No newline at end of file