From 377c5c74fd0fc4f4e2db4a85fe529401652fb8ad Mon Sep 17 00:00:00 2001
From: StefansE <ewarste@gmail.com>
Date: Fri, 3 Apr 2026 22:08:13 +0200
Subject: [PATCH] PWM timming correction - TIM2

---
 Core/Src/dma.c        | 2 +-
 Core/Src/main.c       | 4 ++--
 Core/Src/tim.c        | 4 ++--
 Core/Src/ws2812_drv.c | 2 +-
 LedRing.ioc           | 6 +++---
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/Core/Src/dma.c b/Core/Src/dma.c
index a77679f..ebfc348 100644
--- a/Core/Src/dma.c
+++ b/Core/Src/dma.c
@@ -44,7 +44,7 @@ void MX_DMA_Init(void)
 
   /* DMA interrupt init */
   /* DMA1_Channel5_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(DMA1_Channel5_IRQn, 6, 0);
+  HAL_NVIC_SetPriority(DMA1_Channel5_IRQn, 14, 0);
   HAL_NVIC_EnableIRQ(DMA1_Channel5_IRQn);
 
 }
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 45616d4..c2c2aad 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -158,9 +158,9 @@ int main(void)
 
 	RxCpltCallback();
 
-	HAL_GPIO_TogglePin(LED_Green_GPIO_Port, LED_Green_Pin);
+	//HAL_GPIO_TogglePin(LED_Green_GPIO_Port, LED_Green_Pin);
 
-	HAL_Delay(1000);
+	HAL_Delay(100);
 
   }
   /* USER CODE END 3 */
diff --git a/Core/Src/tim.c b/Core/Src/tim.c
index decee41..bf885ff 100644
--- a/Core/Src/tim.c
+++ b/Core/Src/tim.c
@@ -45,7 +45,7 @@ void MX_TIM2_Init(void)
   htim2.Instance = TIM2;
   htim2.Init.Prescaler = 0;
   htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim2.Init.Period = 90;
+  htim2.Init.Period = 100;
   htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
   htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
   if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
@@ -111,7 +111,7 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
     __HAL_LINKDMA(tim_baseHandle,hdma[TIM_DMA_ID_CC1],hdma_tim2_ch1);
 
     /* TIM2 interrupt Init */
-    HAL_NVIC_SetPriority(TIM2_IRQn, 6, 0);
+    HAL_NVIC_SetPriority(TIM2_IRQn, 14, 0);
     HAL_NVIC_EnableIRQ(TIM2_IRQn);
   /* USER CODE BEGIN TIM2_MspInit 1 */
 
diff --git a/Core/Src/ws2812_drv.c b/Core/Src/ws2812_drv.c
index d9b9127..dc08741 100644
--- a/Core/Src/ws2812_drv.c
+++ b/Core/Src/ws2812_drv.c
@@ -13,7 +13,7 @@
 static void set_byte(uint32_t pos, uint8_t value);
 
 uint8_t pwm_reset[RESET_LEN] = {0};
-uint8_t pwm_full = 90;
+uint8_t pwm_full = 100;
 
 uint8_t ledStripBuffer[RESET_LEN +  LED_N * 24 + 1] = {0};
 
diff --git a/LedRing.ioc b/LedRing.ioc
index 3374ea7..45c25ef 100644
--- a/LedRing.ioc
+++ b/LedRing.ioc
@@ -49,7 +49,7 @@ Mcu.UserName=STM32F103C6Tx
 MxCube.Version=6.14.1
 MxDb.Version=DB.6.0.141
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
-NVIC.DMA1_Channel5_IRQn=true\:6\:0\:true\:false\:true\:false\:true\:true
+NVIC.DMA1_Channel5_IRQn=true\:14\:0\:true\:false\:true\:false\:true\:true
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
@@ -59,7 +59,7 @@ NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
-NVIC.TIM2_IRQn=true\:6\:0\:true\:false\:true\:true\:true\:true
+NVIC.TIM2_IRQn=true\:14\:0\:true\:false\:true\:true\:true\:true
 NVIC.USB_LP_CAN1_RX0_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 PA0-WKUP.Signal=S_TIM2_CH1_ETR
@@ -142,7 +142,7 @@ SH.S_TIM2_CH1_ETR.0=TIM2_CH1,PWM Generation1 CH1
 SH.S_TIM2_CH1_ETR.ConfNb=1
 TIM2.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
 TIM2.IPParameters=Channel-PWM Generation1 CH1,Period,Pulse-PWM Generation1 CH1
-TIM2.Period=90
+TIM2.Period=100
 TIM2.Pulse-PWM\ Generation1\ CH1=9
 USB_DEVICE.APP_RX_DATA_SIZE=128
 USB_DEVICE.APP_TX_DATA_SIZE=128