diff --git a/Core/Inc/cppmain.h b/Core/Inc/cppmain.h
index 1c57b0c..8f49369 100644
--- a/Core/Inc/cppmain.h
+++ b/Core/Inc/cppmain.h
@@ -14,7 +14,7 @@
 using u32 = uint32_t;
 
 namespace Heck {
-    bool is_running {false};
+    bool is_running{ false };
 
     // Serial Logging
     void log(std::string& msg);
diff --git a/Core/Inc/dac.h b/Core/Inc/dac.h
deleted file mode 100644
index 2438518..0000000
--- a/Core/Inc/dac.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    dac.h
-  * @brief   This file contains all the function prototypes for
-  *          the dac.c file
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __DAC_H__
-#define __DAC_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include "main.h"
-
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-extern DAC_HandleTypeDef hdac_global;
-
-/* USER CODE BEGIN Private defines */
-
-/* USER CODE END Private defines */
-
-void MX_DAC_Init(void);
-
-/* USER CODE BEGIN Prototypes */
-
-/* USER CODE END Prototypes */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __DAC_H__ */
-
diff --git a/Core/Inc/dma.h b/Core/Inc/dma.h
deleted file mode 100644
index 959a5b0..0000000
--- a/Core/Inc/dma.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    dma.h
-  * @brief   This file contains all the function prototypes for
-  *          the dma.c file
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __DMA_H__
-#define __DMA_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include "main.h"
-
-/* DMA memory to memory transfer handles -------------------------------------*/
-
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-/* USER CODE BEGIN Private defines */
-
-/* USER CODE END Private defines */
-
-void MX_DMA_Init(void);
-
-/* USER CODE BEGIN Prototypes */
-
-/* USER CODE END Prototypes */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __DMA_H__ */
-
diff --git a/Core/Inc/gpio.h b/Core/Inc/gpio.h
deleted file mode 100644
index 21a3b5a..0000000
--- a/Core/Inc/gpio.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    gpio.h
-  * @brief   This file contains all the function prototypes for
-  *          the gpio.c file
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __GPIO_H__
-#define __GPIO_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include "main.h"
-
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-/* USER CODE BEGIN Private defines */
-
-/* USER CODE END Private defines */
-
-void MX_GPIO_Init(void);
-
-/* USER CODE BEGIN Prototypes */
-
-/* USER CODE END Prototypes */
-
-#ifdef __cplusplus
-}
-#endif
-#endif /*__ GPIO_H__ */
-
diff --git a/Core/Inc/main.h b/Core/Inc/main.h
index a50506d..5afe9d5 100644
--- a/Core/Inc/main.h
+++ b/Core/Inc/main.h
@@ -1,71 +1,48 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file           : main.h
-  * @brief          : Header for main.c file.
-  *                   This file contains the common defines of the application.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-
-/* Define to prevent recursive inclusion -------------------------------------*/
 #ifndef __MAIN_H
 #define __MAIN_H
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
 #include "stm32f4xx_hal.h"
 
-/* Private includes ----------------------------------------------------------*/
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-/* Exported types ------------------------------------------------------------*/
-/* USER CODE BEGIN ET */
-
-/* USER CODE END ET */
-
-/* Exported constants --------------------------------------------------------*/
-/* USER CODE BEGIN EC */
-
-/* USER CODE END EC */
-
-/* Exported macro ------------------------------------------------------------*/
-/* USER CODE BEGIN EM */
-
-/* USER CODE END EM */
-
-/* Exported functions prototypes ---------------------------------------------*/
-void Error_Handler(void);
-
-/* USER CODE BEGIN EFP */
-
-/* USER CODE END EFP */
-
-/* Private defines -----------------------------------------------------------*/
 #define BUT_BLUE_Pin GPIO_PIN_0
 #define BUT_BLUE_GPIO_Port GPIOA
 #define BUT_BLUE_EXTI_IRQn EXTI0_IRQn
 #define LED_GREEN_Pin GPIO_PIN_12
 #define LED_GREEN_GPIO_Port GPIOD
 
-/* USER CODE BEGIN Private defines */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    extern DAC_HandleTypeDef hdac_global;
+    extern RNG_HandleTypeDef hrng;
+    extern TIM_HandleTypeDef htim2;
+    extern TIM_HandleTypeDef htim6;
+    extern TIM_HandleTypeDef htim7;
+
+    void MX_DAC_Init(void);
+    void MX_DMA_Init(void);
+    void MX_GPIO_Init(void);
+    void MX_RNG_Init(void);
+    void MX_TIM2_Init(void);
+    void MX_TIM6_Init(void);
+    void MX_TIM7_Init(void);
+
+
+    void Error_Handler(void);
+
+    void NMI_Handler(void);
+    void HardFault_Handler(void);
+    void MemManage_Handler(void);
+    void BusFault_Handler(void);
+    void UsageFault_Handler(void);
+    void DebugMon_Handler(void);
+    void SysTick_Handler(void);
+    void EXTI0_IRQHandler(void);
+    void DMA1_Stream5_IRQHandler(void);
+    void TIM2_IRQHandler(void);
+    void TIM7_IRQHandler(void);
+    void OTG_FS_IRQHandler(void);
 
-/* USER CODE END Private defines */
 
 #ifdef __cplusplus
 }
diff --git a/Core/Inc/rng.h b/Core/Inc/rng.h
deleted file mode 100644
index 831b180..0000000
--- a/Core/Inc/rng.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    rng.h
-  * @brief   This file contains all the function prototypes for
-  *          the rng.c file
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __RNG_H__
-#define __RNG_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include "main.h"
-
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-extern RNG_HandleTypeDef hrng;
-
-/* USER CODE BEGIN Private defines */
-
-/* USER CODE END Private defines */
-
-void MX_RNG_Init(void);
-
-/* USER CODE BEGIN Prototypes */
-
-/* USER CODE END Prototypes */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __RNG_H__ */
-
diff --git a/Core/Inc/stm32f4xx_it.h b/Core/Inc/stm32f4xx_it.h
deleted file mode 100644
index c6dcffa..0000000
--- a/Core/Inc/stm32f4xx_it.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    stm32f4xx_it.h
-  * @brief   This file contains the headers of the interrupt handlers.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
- ******************************************************************************
-  */
-/* USER CODE END Header */
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __STM32F4xx_IT_H
-#define __STM32F4xx_IT_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/* Private includes ----------------------------------------------------------*/
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-/* Exported types ------------------------------------------------------------*/
-/* USER CODE BEGIN ET */
-
-/* USER CODE END ET */
-
-/* Exported constants --------------------------------------------------------*/
-/* USER CODE BEGIN EC */
-
-/* USER CODE END EC */
-
-/* Exported macro ------------------------------------------------------------*/
-/* USER CODE BEGIN EM */
-
-/* USER CODE END EM */
-
-/* Exported functions prototypes ---------------------------------------------*/
-void NMI_Handler(void);
-void HardFault_Handler(void);
-void MemManage_Handler(void);
-void BusFault_Handler(void);
-void UsageFault_Handler(void);
-void DebugMon_Handler(void);
-void SysTick_Handler(void);
-void EXTI0_IRQHandler(void);
-void DMA1_Stream5_IRQHandler(void);
-void TIM2_IRQHandler(void);
-void TIM7_IRQHandler(void);
-void OTG_FS_IRQHandler(void);
-/* USER CODE BEGIN EFP */
-
-/* USER CODE END EFP */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __STM32F4xx_IT_H */
diff --git a/Core/Inc/tim.h b/Core/Inc/tim.h
deleted file mode 100644
index 158bc7b..0000000
--- a/Core/Inc/tim.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    tim.h
-  * @brief   This file contains all the function prototypes for
-  *          the tim.c file
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __TIM_H__
-#define __TIM_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include "main.h"
-
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-extern TIM_HandleTypeDef htim2;
-
-extern TIM_HandleTypeDef htim6;
-
-extern TIM_HandleTypeDef htim7;
-
-/* USER CODE BEGIN Private defines */
-
-/* USER CODE END Private defines */
-
-void MX_TIM2_Init(void);
-void MX_TIM6_Init(void);
-void MX_TIM7_Init(void);
-
-/* USER CODE BEGIN Prototypes */
-
-/* USER CODE END Prototypes */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __TIM_H__ */
-
diff --git a/Core/Src/cppmain.cc b/Core/Src/cppmain.cc
index a6a3511..2d46368 100644
--- a/Core/Src/cppmain.cc
+++ b/Core/Src/cppmain.cc
@@ -8,16 +8,12 @@
 #include "cppmain.h"
 #include "main.h"
 #include "usbd_cdc_if.h"
-#include "dac.h"
-#include "rng.h"
-#include "tim.h"
 #include <cmath>
 #include "limits"
 
 const double pi{ std::acos(-1) };
 
 
-
 namespace Heck {
     // Serial Logging
     // --------------
@@ -31,19 +27,19 @@ namespace Heck {
 
 // DAC
 // ---
-#define BUFFER_SIZE 1
+#define BUFFER_SIZE 128
     u32 audio_buffer[BUFFER_SIZE];
-//    u32 audio_buffer[BUFFER_SIZE] = { 2048, 2149, 2250, 2350, 2450, 2549, 2646, 2742, 2837, 2929, 3020, 3108,
-//                             3193, 3275, 3355, 3431, 3504, 3574, 3639, 3701, 3759, 3812, 3861, 3906,
-//                             3946, 3982, 4013, 4039, 4060, 4076, 4087, 4094, 4095, 4091, 4082, 4069,
-//                             4050, 4026, 3998, 3965, 3927, 3884, 3837, 3786, 3730, 3671, 3607, 3539,
-//                             3468, 3394, 3316, 3235, 3151, 3064, 2975, 2883, 2790, 2695, 2598, 2500,
-//                             2400, 2300, 2199, 2098, 1997, 1896, 1795, 1695, 1595, 1497, 1400, 1305,
-//                             1212, 1120, 1031, 944,  860,  779,  701,  627,  556,  488,  424,  365,
-//                             309,  258,  211,  168,  130,  97,   69,   45,   26,   13,   4,    0,
-//                             1,    8,    19,   35,   56,   82,   113,  149,  189,  234,  283,  336,
-//                             394,  456,  521,  591,  664,  740,  820,  902,  987,  1075, 1166, 1258,
-//                             1353, 1449, 1546, 1645, 1745, 1845, 1946, 2047 };
+    //    u32 audio_buffer[BUFFER_SIZE] = {
+    //        2048, 2149, 2250, 2350, 2450, 2549, 2646, 2742, 2837, 2929, 3020, 3108, 3193, 3275, 3355,
+    //        3431, 3504, 3574, 3639, 3701, 3759, 3812, 3861, 3906, 3946, 3982, 4013, 4039, 4060, 4076,
+    //        4087, 4094, 4095, 4091, 4082, 4069, 4050, 4026, 3998, 3965, 3927, 3884, 3837, 3786, 3730,
+    //        3671, 3607, 3539, 3468, 3394, 3316, 3235, 3151, 3064, 2975, 2883, 2790, 2695, 2598, 2500,
+    //        2400, 2300, 2199, 2098, 1997, 1896, 1795, 1695, 1595, 1497, 1400, 1305, 1212, 1120, 1031,
+    //        944,  860,  779,  701,  627,  556,  488,  424,  365,  309,  258,  211,  168,  130,  97,
+    //        69,   45,   26,   13,   4,    0,    1,    8,    19,   35,   56,   82,   113,  149,  189,
+    //        234,  283,  336,  394,  456,  521,  591,  664,  740,  820,  902,  987,  1075, 1166, 1258,
+    //        1353, 1449, 1546, 1645, 1745, 1845, 1946, 2047
+    //    };
 
     void dac1_set(u32 val)
     {
@@ -97,9 +93,6 @@ namespace Heck {
             is_running = true;
             return;
         }
-
-        led_green_toggle();
-        dac_start_dma();
     }
 
     void timer2_cb()
@@ -162,25 +155,23 @@ namespace Heck {
 
     void main()
     {
-        while (!is_running) {
-            HAL_Delay(1);
-        }
+        //        while (!is_running) {
+        //            HAL_Delay(1);
+        //        }
         log("Starting...");
 
-        //    HAL_DAC_Start(&hdac, DAC_CHANNEL_1);
-        //    HAL_DAC_Start(&hdac, DAC_CHANNEL_2);
+        dac_start_dma();
+
         HAL_TIM_Base_Start_IT(&htim2);
         HAL_TIM_Base_Start_IT(&htim7);
         HAL_TIM_Base_Start(&htim6);
 
-        init_buffer_noise();
-        //        init_buffer_sin();
+        //                init_buffer_noise();
+        init_buffer_sin();
         log("Entering MainLoop...");
         while (true) {
-
-            init_buffer_noise();
-//            noisify_buffer();
-//            HAL_Delay(100);
+            noisify_buffer();
+            HAL_Delay(10);
         }
     }
 
@@ -236,6 +227,5 @@ void heck_error_handler()
 
 void heck_cppmain(void)
 {
-
     Heck::main();
 }
diff --git a/Core/Src/dac.c b/Core/Src/dac.c
deleted file mode 100644
index 6e61c26..0000000
--- a/Core/Src/dac.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    dac.c
-  * @brief   This file provides code for the configuration
-  *          of the DAC instances.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Includes ------------------------------------------------------------------*/
-#include "dac.h"
-
-/* USER CODE BEGIN 0 */
-
-/* USER CODE END 0 */
-
-DAC_HandleTypeDef hdac_global;
-DMA_HandleTypeDef hdma_dac1;
-
-/* DAC init function */
-void MX_DAC_Init(void)
-{
-
-  /* USER CODE BEGIN DAC_Init 0 */
-
-  /* USER CODE END DAC_Init 0 */
-
-  DAC_ChannelConfTypeDef sConfig = {0};
-
-  /* USER CODE BEGIN DAC_Init 1 */
-
-  /* USER CODE END DAC_Init 1 */
-
-  /** DAC Initialization
-  */
-  hdac_global.Instance = DAC;
-  if (HAL_DAC_Init(&hdac_global) != HAL_OK)
-  {
-    Error_Handler();
-  }
-
-  /** DAC channel OUT1 config
-  */
-  sConfig.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
-  sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
-  if (HAL_DAC_ConfigChannel(&hdac_global, &sConfig, DAC_CHANNEL_1) != HAL_OK)
-  {
-    Error_Handler();
-  }
-
-  /** DAC channel OUT2 config
-  */
-  sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
-  if (HAL_DAC_ConfigChannel(&hdac_global, &sConfig, DAC_CHANNEL_2) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  /* USER CODE BEGIN DAC_Init 2 */
-
-  /* USER CODE END DAC_Init 2 */
-
-}
-
-void HAL_DAC_MspInit(DAC_HandleTypeDef* dacHandle)
-{
-
-  GPIO_InitTypeDef GPIO_InitStruct = {0};
-  if(dacHandle->Instance==DAC)
-  {
-  /* USER CODE BEGIN DAC_MspInit 0 */
-
-  /* USER CODE END DAC_MspInit 0 */
-    /* DAC clock enable */
-    __HAL_RCC_DAC_CLK_ENABLE();
-
-    __HAL_RCC_GPIOA_CLK_ENABLE();
-    /**DAC GPIO Configuration
-    PA4     ------> DAC_OUT1
-    PA5     ------> DAC_OUT2
-    */
-    GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5;
-    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
-    GPIO_InitStruct.Pull = GPIO_NOPULL;
-    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-
-    /* DAC DMA Init */
-    /* DAC1 Init */
-    hdma_dac1.Instance = DMA1_Stream5;
-    hdma_dac1.Init.Channel = DMA_CHANNEL_7;
-    hdma_dac1.Init.Direction = DMA_MEMORY_TO_PERIPH;
-    hdma_dac1.Init.PeriphInc = DMA_PINC_DISABLE;
-    hdma_dac1.Init.MemInc = DMA_MINC_ENABLE;
-    hdma_dac1.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
-    hdma_dac1.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
-    hdma_dac1.Init.Mode = DMA_NORMAL;
-    hdma_dac1.Init.Priority = DMA_PRIORITY_LOW;
-    hdma_dac1.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
-    if (HAL_DMA_Init(&hdma_dac1) != HAL_OK)
-    {
-      Error_Handler();
-    }
-
-    __HAL_LINKDMA(dacHandle,DMA_Handle1,hdma_dac1);
-
-  /* USER CODE BEGIN DAC_MspInit 1 */
-
-  /* USER CODE END DAC_MspInit 1 */
-  }
-}
-
-void HAL_DAC_MspDeInit(DAC_HandleTypeDef* dacHandle)
-{
-
-  if(dacHandle->Instance==DAC)
-  {
-  /* USER CODE BEGIN DAC_MspDeInit 0 */
-
-  /* USER CODE END DAC_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __HAL_RCC_DAC_CLK_DISABLE();
-
-    /**DAC GPIO Configuration
-    PA4     ------> DAC_OUT1
-    PA5     ------> DAC_OUT2
-    */
-    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4|GPIO_PIN_5);
-
-    /* DAC DMA DeInit */
-    HAL_DMA_DeInit(dacHandle->DMA_Handle1);
-  /* USER CODE BEGIN DAC_MspDeInit 1 */
-
-  /* USER CODE END DAC_MspDeInit 1 */
-  }
-}
-
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */
diff --git a/Core/Src/dma.c b/Core/Src/dma.c
deleted file mode 100644
index b7e82be..0000000
--- a/Core/Src/dma.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    dma.c
-  * @brief   This file provides code for the configuration
-  *          of all the requested memory to memory DMA transfers.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-
-/* Includes ------------------------------------------------------------------*/
-#include "dma.h"
-
-/* USER CODE BEGIN 0 */
-
-/* USER CODE END 0 */
-
-/*----------------------------------------------------------------------------*/
-/* Configure DMA                                                              */
-/*----------------------------------------------------------------------------*/
-
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */
-
-/**
-  * Enable DMA controller clock
-  */
-void MX_DMA_Init(void)
-{
-
-  /* DMA controller clock enable */
-  __HAL_RCC_DMA1_CLK_ENABLE();
-
-  /* DMA interrupt init */
-  /* DMA1_Stream5_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(DMA1_Stream5_IRQn, 5, 0);
-  HAL_NVIC_EnableIRQ(DMA1_Stream5_IRQn);
-
-}
-
-/* USER CODE BEGIN 2 */
-
-/* USER CODE END 2 */
-
diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
deleted file mode 100644
index 52eba81..0000000
--- a/Core/Src/freertos.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * File Name          : freertos.c
-  * Description        : Code for freertos applications
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-
-/* Includes ------------------------------------------------------------------*/
-#include "FreeRTOS.h"
-#include "task.h"
-#include "main.h"
-#include "cmsis_os.h"
-
-/* Private includes ----------------------------------------------------------*/
-/* USER CODE BEGIN Includes */
-#include "cppmain.h"
-
-/* USER CODE END Includes */
-
-/* Private typedef -----------------------------------------------------------*/
-/* USER CODE BEGIN PTD */
-
-/* USER CODE END PTD */
-
-/* Private define ------------------------------------------------------------*/
-/* USER CODE BEGIN PD */
-
-/* USER CODE END PD */
-
-/* Private macro -------------------------------------------------------------*/
-/* USER CODE BEGIN PM */
-
-/* USER CODE END PM */
-
-/* Private variables ---------------------------------------------------------*/
-/* USER CODE BEGIN Variables */
-
-/* USER CODE END Variables */
-/* Definitions for defaultTask */
-osThreadId_t defaultTaskHandle;
-const osThreadAttr_t defaultTask_attributes = {
-  .name = "defaultTask",
-  .stack_size = 128 * 4,
-  .priority = (osPriority_t) osPriorityNormal,
-};
-
-/* Private function prototypes -----------------------------------------------*/
-/* USER CODE BEGIN FunctionPrototypes */
-
-/* USER CODE END FunctionPrototypes */
-
-void StartDefaultTask(void *argument);
-
-extern void MX_USB_DEVICE_Init(void);
-void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */
-
-/**
-  * @brief  FreeRTOS initialization
-  * @param  None
-  * @retval None
-  */
-void MX_FREERTOS_Init(void) {
-  /* USER CODE BEGIN Init */
-
-  /* USER CODE END Init */
-
-  /* USER CODE BEGIN RTOS_MUTEX */
-  /* add mutexes, ... */
-  /* USER CODE END RTOS_MUTEX */
-
-  /* USER CODE BEGIN RTOS_SEMAPHORES */
-  /* add semaphores, ... */
-  /* USER CODE END RTOS_SEMAPHORES */
-
-  /* USER CODE BEGIN RTOS_TIMERS */
-  /* start timers, add new ones, ... */
-  /* USER CODE END RTOS_TIMERS */
-
-  /* USER CODE BEGIN RTOS_QUEUES */
-  /* add queues, ... */
-  /* USER CODE END RTOS_QUEUES */
-
-  /* Create the thread(s) */
-  /* creation of defaultTask */
-  defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
-
-  /* USER CODE BEGIN RTOS_THREADS */
-  /* add threads, ... */
-  /* USER CODE END RTOS_THREADS */
-
-  /* USER CODE BEGIN RTOS_EVENTS */
-  /* add events, ... */
-  /* USER CODE END RTOS_EVENTS */
-
-}
-
-/* USER CODE BEGIN Header_StartDefaultTask */
-/**
-  * @brief  Function implementing the defaultTask thread.
-  * @param  argument: Not used
-  * @retval None
-  */
-/* USER CODE END Header_StartDefaultTask */
-void StartDefaultTask(void *argument)
-{
-  /* init code for USB_DEVICE */
-  MX_USB_DEVICE_Init();
-  /* USER CODE BEGIN StartDefaultTask */
-  /* Infinite loop */
-  heck_cppmain();
-//  for(;;)
-//  {
-//    osDelay(1);
-//  }
-  /* USER CODE END StartDefaultTask */
-}
-
-/* Private application code --------------------------------------------------*/
-/* USER CODE BEGIN Application */
-
-/* USER CODE END Application */
-
diff --git a/Core/Src/gpio.c b/Core/Src/gpio.c
deleted file mode 100644
index 6bcc006..0000000
--- a/Core/Src/gpio.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    gpio.c
-  * @brief   This file provides code for the configuration
-  *          of all used GPIO pins.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-
-/* Includes ------------------------------------------------------------------*/
-#include "gpio.h"
-
-/* USER CODE BEGIN 0 */
-
-/* USER CODE END 0 */
-
-/*----------------------------------------------------------------------------*/
-/* Configure GPIO                                                             */
-/*----------------------------------------------------------------------------*/
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */
-
-/** Configure pins as
-        * Analog
-        * Input
-        * Output
-        * EVENT_OUT
-        * EXTI
-*/
-void MX_GPIO_Init(void)
-{
-
-  GPIO_InitTypeDef GPIO_InitStruct = {0};
-
-  /* GPIO Ports Clock Enable */
-  __HAL_RCC_GPIOC_CLK_ENABLE();
-  __HAL_RCC_GPIOH_CLK_ENABLE();
-  __HAL_RCC_GPIOA_CLK_ENABLE();
-  __HAL_RCC_GPIOD_CLK_ENABLE();
-
-  /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(LED_GREEN_GPIO_Port, LED_GREEN_Pin, GPIO_PIN_RESET);
-
-  /*Configure GPIO pin : PtPin */
-  GPIO_InitStruct.Pin = BUT_BLUE_Pin;
-  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  HAL_GPIO_Init(BUT_BLUE_GPIO_Port, &GPIO_InitStruct);
-
-  /*Configure GPIO pin : PtPin */
-  GPIO_InitStruct.Pin = LED_GREEN_Pin;
-  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-  HAL_GPIO_Init(LED_GREEN_GPIO_Port, &GPIO_InitStruct);
-
-  /* EXTI interrupt init*/
-  HAL_NVIC_SetPriority(EXTI0_IRQn, 5, 0);
-  HAL_NVIC_EnableIRQ(EXTI0_IRQn);
-
-}
-
-/* USER CODE BEGIN 2 */
-
-/* USER CODE END 2 */
diff --git a/Core/Src/main.c b/Core/Src/main.c
index fb6d109..dc05b5e 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -1,189 +1,370 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file           : main.c
-  * @brief          : Main program body
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Includes ------------------------------------------------------------------*/
 #include "main.h"
 #include "cmsis_os.h"
-#include "dac.h"
-#include "dma.h"
-#include "rng.h"
-#include "tim.h"
+#include "cppmain.h"
 #include "usb_device.h"
-#include "gpio.h"
 
-/* Private includes ----------------------------------------------------------*/
-/* USER CODE BEGIN Includes */
-#include "cppmain.h"
-/* USER CODE END Includes */
+DAC_HandleTypeDef hdac_global;
+DMA_HandleTypeDef hdma_dac1;
+TIM_HandleTypeDef htim2;
+TIM_HandleTypeDef htim6;
+TIM_HandleTypeDef htim7;
+RNG_HandleTypeDef hrng;
+
+extern PCD_HandleTypeDef hpcd_USB_OTG_FS;
+
+
+void SystemClock_Config(void) {
+    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+
+    /** Configure the main internal regulator output voltage
+    */
+    __HAL_RCC_PWR_CLK_ENABLE();
+    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+    /** Initializes the RCC Oscillators according to the specified parameters
+    * in the RCC_OscInitTypeDef structure.
+    */
+    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+    RCC_OscInitStruct.PLL.PLLM = 4;
+    RCC_OscInitStruct.PLL.PLLN = 168;
+    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+    RCC_OscInitStruct.PLL.PLLQ = 7;
+    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+        Error_Handler();
+    }
+
+    /** Initializes the CPU, AHB and APB buses clocks
+    */
+    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+                                  | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
+    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
+
+    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
+        Error_Handler();
+    }
+}
 
-/* Private typedef -----------------------------------------------------------*/
-/* USER CODE BEGIN PTD */
+// --------------------------------------------------------------------------------------------------
+// Exception and Interrupt handler
+// --------------------------------------------------------------------------------------------------
 
-/* USER CODE END PTD */
+void NMI_Handler(void) {
+    while (1) {
+    }
+}
 
-/* Private define ------------------------------------------------------------*/
-/* USER CODE BEGIN PD */
+void HardFault_Handler(void) {
+    while (1) {
+    }
+}
 
-/* USER CODE END PD */
+void MemManage_Handler(void) {
+    while (1) {
+    }
+}
 
-/* Private macro -------------------------------------------------------------*/
-/* USER CODE BEGIN PM */
+void BusFault_Handler(void) {
+    while (1) {
+    }
+}
 
-/* USER CODE END PM */
+void UsageFault_Handler(void) {
+    while (1) {
+    }
+}
 
-/* Private variables ---------------------------------------------------------*/
+void DebugMon_Handler(void) {
+}
 
-/* USER CODE BEGIN PV */
+void SysTick_Handler(void) {
+    HAL_IncTick();
+#if (INCLUDE_xTaskGetSchedulerState == 1)
+    if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) {
+#endif /* INCLUDE_xTaskGetSchedulerState */
+        xPortSysTickHandler();
+#if (INCLUDE_xTaskGetSchedulerState == 1)
+    }
+#endif /* INCLUDE_xTaskGetSchedulerState */
+}
 
-/* USER CODE END PV */
 
-/* Private function prototypes -----------------------------------------------*/
-void SystemClock_Config(void);
-void MX_FREERTOS_Init(void);
-/* USER CODE BEGIN PFP */
 
-/* USER CODE END PFP */
+void EXTI0_IRQHandler(void) {
+    HAL_GPIO_EXTI_IRQHandler(BUT_BLUE_Pin);
+}
 
-/* Private user code ---------------------------------------------------------*/
-/* USER CODE BEGIN 0 */
+void DMA1_Stream5_IRQHandler(void) {
+    HAL_DMA_IRQHandler(&hdma_dac1);
+}
 
-/* USER CODE END 0 */
+void TIM2_IRQHandler(void) {
+    HAL_TIM_IRQHandler(&htim2);
+}
 
-/**
-  * @brief  The application entry point.
-  * @retval int
-  */
-int main(void)
-{
-  /* USER CODE BEGIN 1 */
+void TIM7_IRQHandler(void) {
+    HAL_TIM_IRQHandler(&htim7);
+}
+
+void OTG_FS_IRQHandler(void) {
+    HAL_PCD_IRQHandler(&hpcd_USB_OTG_FS);
+}
 
-  /* USER CODE END 1 */
 
-  /* MCU Configuration--------------------------------------------------------*/
+// --------------------------------------------------------------------------------------------------
+// Peripheral init
+// --------------------------------------------------------------------------------------------------
 
-  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
-  HAL_Init();
+void MX_GPIO_Init(void) {
+    GPIO_InitTypeDef GPIO_InitStruct = {0};
 
-  /* USER CODE BEGIN Init */
+    /* GPIO Ports Clock Enable */
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    __HAL_RCC_GPIOH_CLK_ENABLE();
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    __HAL_RCC_GPIOD_CLK_ENABLE();
 
-  /* USER CODE END Init */
+    /*Configure GPIO pin Output Level */
+    HAL_GPIO_WritePin(LED_GREEN_GPIO_Port, LED_GREEN_Pin, GPIO_PIN_RESET);
 
-  /* Configure the system clock */
-  SystemClock_Config();
+    /*Configure GPIO pin : PtPin */
+    GPIO_InitStruct.Pin = BUT_BLUE_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(BUT_BLUE_GPIO_Port, &GPIO_InitStruct);
 
-  /* USER CODE BEGIN SysInit */
+    /*Configure GPIO pin : PtPin */
+    GPIO_InitStruct.Pin = LED_GREEN_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    HAL_GPIO_Init(LED_GREEN_GPIO_Port, &GPIO_InitStruct);
 
-  /* USER CODE END SysInit */
+    /* EXTI interrupt init*/
+    HAL_NVIC_SetPriority(EXTI0_IRQn, 5, 0);
+    HAL_NVIC_EnableIRQ(EXTI0_IRQn);
+}
 
-  /* Initialize all configured peripherals */
-  MX_GPIO_Init();
-  MX_DMA_Init();
-  MX_DAC_Init();
-  MX_TIM2_Init();
-  MX_TIM6_Init();
-  MX_TIM7_Init();
-  MX_RNG_Init();
-  /* USER CODE BEGIN 2 */
 
-  /* USER CODE END 2 */
+// --------------------------------------------------------------------------------------------------
+// Peripheral init
+// --------------------------------------------------------------------------------------------------
+
+void MX_DAC_Init(void) {
+    DAC_ChannelConfTypeDef sConfig = {0};
+    hdac_global.Instance = DAC;
+    if (HAL_DAC_Init(&hdac_global) != HAL_OK) {
+        Error_Handler();
+    }
+
+    // DAC channel OUT1 config*/
+    sConfig.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
+    sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
+    if (HAL_DAC_ConfigChannel(&hdac_global, &sConfig, DAC_CHANNEL_1) != HAL_OK) {
+        Error_Handler();
+    }
+
+    // DAC channel OUT2 config
+    sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
+    if (HAL_DAC_ConfigChannel(&hdac_global, &sConfig, DAC_CHANNEL_2) != HAL_OK) {
+        Error_Handler();
+    }
+}
 
-  /* Init scheduler */
-  osKernelInitialize();  /* Call init function for freertos objects (in freertos.c) */
-  MX_FREERTOS_Init();
+void HAL_DAC_MspInit(DAC_HandleTypeDef *dacHandle) {
+    GPIO_InitTypeDef GPIO_InitStruct = {0};
+    if (dacHandle->Instance == DAC) {
+        /* DAC clock enable */
+        __HAL_RCC_DAC_CLK_ENABLE();
+
+        __HAL_RCC_GPIOA_CLK_ENABLE();
+        /**DAC GPIO Configuration
+        PA4     ------> DAC_OUT1
+        PA5     ------> DAC_OUT2
+        */
+        GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+        /* DAC DMA Init */
+        /* DAC1 Init */
+        hdma_dac1.Instance = DMA1_Stream5;
+        hdma_dac1.Init.Channel = DMA_CHANNEL_7;
+        hdma_dac1.Init.Direction = DMA_MEMORY_TO_PERIPH;
+        hdma_dac1.Init.PeriphInc = DMA_PINC_DISABLE;
+        hdma_dac1.Init.MemInc = DMA_MINC_ENABLE;
+        hdma_dac1.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
+        hdma_dac1.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
+        hdma_dac1.Init.Mode = DMA_NORMAL;
+        hdma_dac1.Init.Priority = DMA_PRIORITY_LOW;
+        hdma_dac1.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
+        if (HAL_DMA_Init(&hdma_dac1) != HAL_OK) {
+            Error_Handler();
+        }
+
+        __HAL_LINKDMA(dacHandle, DMA_Handle1, hdma_dac1);
+    }
+}
 
-  /* Start scheduler */
-  osKernelStart();
-  /* We should never get here as control is now taken by the scheduler */
-  /* Infinite loop */
-  /* USER CODE BEGIN WHILE */
+void HAL_DAC_MspDeInit(DAC_HandleTypeDef *dacHandle) {
+    if (dacHandle->Instance == DAC) {
+        __HAL_RCC_DAC_CLK_DISABLE();
 
-//  while (1)
-//  {
-    /* USER CODE END WHILE */
+        // DAC GPIO Configuration
+        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4 | GPIO_PIN_5);
 
-    /* USER CODE BEGIN 3 */
-//  }
-  /* USER CODE END 3 */
+        /* DAC DMA DeInit */
+        HAL_DMA_DeInit(dacHandle->DMA_Handle1);
+    }
 }
 
-/**
-  * @brief System Clock Configuration
-  * @retval None
-  */
-void SystemClock_Config(void)
-{
-  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
-  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
 
-  /** Configure the main internal regulator output voltage
-  */
-  __HAL_RCC_PWR_CLK_ENABLE();
-  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+// --------------------------------------------------------------------------------------------------
+// Peripheral init
+// --------------------------------------------------------------------------------------------------
 
-  /** Initializes the RCC Oscillators according to the specified parameters
-  * in the RCC_OscInitTypeDef structure.
-  */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
-  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
-  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-  RCC_OscInitStruct.PLL.PLLM = 4;
-  RCC_OscInitStruct.PLL.PLLN = 168;
-  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
-  RCC_OscInitStruct.PLL.PLLQ = 7;
-  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
-  {
-    Error_Handler();
-  }
-
-  /** Initializes the CPU, AHB and APB buses clocks
-  */
-  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
-                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
-  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
-  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
-  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
-  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
+void MX_DMA_Init(void) {
+    __HAL_RCC_DMA1_CLK_ENABLE();
 
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
-  {
-    Error_Handler();
-  }
+    /* DMA interrupt init */
+    /* DMA1_Stream5_IRQn interrupt configuration */
+    HAL_NVIC_SetPriority(DMA1_Stream5_IRQn, 5, 0);
+    HAL_NVIC_EnableIRQ(DMA1_Stream5_IRQn);
 }
 
-/* USER CODE BEGIN 4 */
 
-/* USER CODE END 4 */
+// --------------------------------------------------------------------------------------------------
+// Timers
+// --------------------------------------------------------------------------------------------------
+
+void MX_TIM2_Init(void) {
+    TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+    TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+    htim2.Instance = TIM2;
+    htim2.Init.Prescaler = 0;
+    htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
+    htim2.Init.Period = 42949000;
+    htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+    htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+    if (HAL_TIM_Base_Init(&htim2) != HAL_OK) {
+        Error_Handler();
+    }
+    sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+    if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK) {
+        Error_Handler();
+    }
+    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+    if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK) {
+        Error_Handler();
+    }
+}
 
-/**
-  * @brief  This function is executed in case of error occurrence.
-  * @retval None
-  */
-void Error_Handler(void)
-{
-  /* USER CODE BEGIN Error_Handler_Debug */
-  /* User can add his own implementation to report the HAL error return state */
-  heck_error_handler();
-  __disable_irq();
-  while (1)
-  {
-  }
-  /* USER CODE END Error_Handler_Debug */
+void MX_TIM6_Init(void) {
+    TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+    htim6.Instance = TIM6;
+    htim6.Init.Prescaler = 0;
+    htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
+    htim6.Init.Period = 1904;
+    htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+    if (HAL_TIM_Base_Init(&htim6) != HAL_OK) {
+        Error_Handler();
+    }
+    sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
+    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+    if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK) {
+        Error_Handler();
+    }
+}
+
+void MX_TIM7_Init(void) {
+    TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+    htim7.Instance = TIM7;
+    htim7.Init.Prescaler = 10000;
+    htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
+    htim7.Init.Period = 429490000;
+    htim7.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
+    if (HAL_TIM_Base_Init(&htim7) != HAL_OK) {
+        Error_Handler();
+    }
+    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+    if (HAL_TIMEx_MasterConfigSynchronization(&htim7, &sMasterConfig) != HAL_OK) {
+        Error_Handler();
+    }
+}
+
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *tim_baseHandle) {
+    if (tim_baseHandle->Instance == TIM2) {
+        __HAL_RCC_TIM2_CLK_ENABLE();
+
+        /* TIM2 interrupt Init */
+        HAL_NVIC_SetPriority(TIM2_IRQn, 5, 0);
+        HAL_NVIC_EnableIRQ(TIM2_IRQn);
+    } else if (tim_baseHandle->Instance == TIM6) {
+        __HAL_RCC_TIM6_CLK_ENABLE();
+    } else if (tim_baseHandle->Instance == TIM7) {
+        __HAL_RCC_TIM7_CLK_ENABLE();
+
+        /* TIM7 interrupt Init */
+        HAL_NVIC_SetPriority(TIM7_IRQn, 5, 0);
+        HAL_NVIC_EnableIRQ(TIM7_IRQn);
+    }
+}
+
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef *tim_baseHandle) {
+    if (tim_baseHandle->Instance == TIM2) {
+        __HAL_RCC_TIM2_CLK_DISABLE();
+
+        HAL_NVIC_DisableIRQ(TIM2_IRQn);
+    } else if (tim_baseHandle->Instance == TIM6) {
+        __HAL_RCC_TIM6_CLK_DISABLE();
+    } else if (tim_baseHandle->Instance == TIM7) {
+        __HAL_RCC_TIM7_CLK_DISABLE();
+        HAL_NVIC_DisableIRQ(TIM7_IRQn);
+    }
+}
+
+
+// --------------------------------------------------------------------------------------------------
+// Random Number Generator (RNG)
+// --------------------------------------------------------------------------------------------------
+
+void MX_RNG_Init(void) {
+    hrng.Instance = RNG;
+    if (HAL_RNG_Init(&hrng) != HAL_OK) {
+        Error_Handler();
+    }
+}
+
+void HAL_RNG_MspInit(RNG_HandleTypeDef *rngHandle) {
+    if (rngHandle->Instance == RNG) {
+        __HAL_RCC_RNG_CLK_ENABLE();
+    }
+}
+
+void HAL_RNG_MspDeInit(RNG_HandleTypeDef *rngHandle) {
+    if (rngHandle->Instance == RNG) {
+        __HAL_RCC_RNG_CLK_DISABLE();
+    }
+}
+
+
+void Error_Handler(void) {
+    heck_error_handler();
+    __disable_irq();
+    while (1) {
+    }
 }
 
 #ifdef  USE_FULL_ASSERT
@@ -196,9 +377,48 @@ void Error_Handler(void)
   */
 void assert_failed(uint8_t *file, uint32_t line)
 {
-  /* USER CODE BEGIN 6 */
   /* User can add his own implementation to report the file name and line number,
      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
-  /* USER CODE END 6 */
 }
 #endif /* USE_FULL_ASSERT */
+
+osThreadId_t defaultTaskHandle;
+const osThreadAttr_t defaultTask_attributes = {
+        .name = "defaultTask",
+        .stack_size = 128 * 4,
+        .priority = (osPriority_t) osPriorityNormal,
+};
+
+void StartDefaultTask(void *argument) {
+    MX_USB_DEVICE_Init();
+    heck_cppmain();
+}
+
+void MX_FREERTOS_Init(void) {
+    defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
+}
+
+
+int main(void) {
+    HAL_Init();
+    SystemClock_Config();
+
+    MX_GPIO_Init();
+    MX_DMA_Init();
+    MX_DAC_Init();
+    MX_TIM2_Init();
+    MX_TIM6_Init();
+    MX_TIM7_Init();
+    MX_RNG_Init();
+
+    osKernelInitialize();
+    MX_FREERTOS_Init();
+    osKernelStart();
+}
+
+void HAL_MspInit(void) {
+    __HAL_RCC_SYSCFG_CLK_ENABLE();
+    __HAL_RCC_PWR_CLK_ENABLE();
+
+    HAL_NVIC_SetPriority(PendSV_IRQn, 15, 0);
+}
diff --git a/Core/Src/rng.c b/Core/Src/rng.c
deleted file mode 100644
index b826afe..0000000
--- a/Core/Src/rng.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    rng.c
-  * @brief   This file provides code for the configuration
-  *          of the RNG instances.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Includes ------------------------------------------------------------------*/
-#include "rng.h"
-
-/* USER CODE BEGIN 0 */
-
-/* USER CODE END 0 */
-
-RNG_HandleTypeDef hrng;
-
-/* RNG init function */
-void MX_RNG_Init(void)
-{
-
-  /* USER CODE BEGIN RNG_Init 0 */
-
-  /* USER CODE END RNG_Init 0 */
-
-  /* USER CODE BEGIN RNG_Init 1 */
-
-  /* USER CODE END RNG_Init 1 */
-  hrng.Instance = RNG;
-  if (HAL_RNG_Init(&hrng) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  /* USER CODE BEGIN RNG_Init 2 */
-
-  /* USER CODE END RNG_Init 2 */
-
-}
-
-void HAL_RNG_MspInit(RNG_HandleTypeDef* rngHandle)
-{
-
-  if(rngHandle->Instance==RNG)
-  {
-  /* USER CODE BEGIN RNG_MspInit 0 */
-
-  /* USER CODE END RNG_MspInit 0 */
-    /* RNG clock enable */
-    __HAL_RCC_RNG_CLK_ENABLE();
-  /* USER CODE BEGIN RNG_MspInit 1 */
-
-  /* USER CODE END RNG_MspInit 1 */
-  }
-}
-
-void HAL_RNG_MspDeInit(RNG_HandleTypeDef* rngHandle)
-{
-
-  if(rngHandle->Instance==RNG)
-  {
-  /* USER CODE BEGIN RNG_MspDeInit 0 */
-
-  /* USER CODE END RNG_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __HAL_RCC_RNG_CLK_DISABLE();
-  /* USER CODE BEGIN RNG_MspDeInit 1 */
-
-  /* USER CODE END RNG_MspDeInit 1 */
-  }
-}
-
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */
diff --git a/Core/Src/stm32f4xx_hal_msp.c b/Core/Src/stm32f4xx_hal_msp.c
deleted file mode 100644
index 219f323..0000000
--- a/Core/Src/stm32f4xx_hal_msp.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file         stm32f4xx_hal_msp.c
-  * @brief        This file provides code for the MSP Initialization
-  *               and de-Initialization codes.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-
-/* Includes ------------------------------------------------------------------*/
-#include "main.h"
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-/* Private typedef -----------------------------------------------------------*/
-/* USER CODE BEGIN TD */
-
-/* USER CODE END TD */
-
-/* Private define ------------------------------------------------------------*/
-/* USER CODE BEGIN Define */
-
-/* USER CODE END Define */
-
-/* Private macro -------------------------------------------------------------*/
-/* USER CODE BEGIN Macro */
-
-/* USER CODE END Macro */
-
-/* Private variables ---------------------------------------------------------*/
-/* USER CODE BEGIN PV */
-
-/* USER CODE END PV */
-
-/* Private function prototypes -----------------------------------------------*/
-/* USER CODE BEGIN PFP */
-
-/* USER CODE END PFP */
-
-/* External functions --------------------------------------------------------*/
-/* USER CODE BEGIN ExternalFunctions */
-
-/* USER CODE END ExternalFunctions */
-
-/* USER CODE BEGIN 0 */
-
-/* USER CODE END 0 */
-/**
-  * Initializes the Global MSP.
-  */
-void HAL_MspInit(void)
-{
-  /* USER CODE BEGIN MspInit 0 */
-
-  /* USER CODE END MspInit 0 */
-
-  __HAL_RCC_SYSCFG_CLK_ENABLE();
-  __HAL_RCC_PWR_CLK_ENABLE();
-
-  /* System interrupt init*/
-  /* PendSV_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(PendSV_IRQn, 15, 0);
-
-  /* USER CODE BEGIN MspInit 1 */
-
-  /* USER CODE END MspInit 1 */
-}
-
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */
diff --git a/Core/Src/stm32f4xx_it.c b/Core/Src/stm32f4xx_it.c
deleted file mode 100644
index ebd0a25..0000000
--- a/Core/Src/stm32f4xx_it.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    stm32f4xx_it.c
-  * @brief   Interrupt Service Routines.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-
-/* Includes ------------------------------------------------------------------*/
-#include "main.h"
-#include "stm32f4xx_it.h"
-#include "FreeRTOS.h"
-#include "task.h"
-/* Private includes ----------------------------------------------------------*/
-/* USER CODE BEGIN Includes */
-/* USER CODE END Includes */
-
-/* Private typedef -----------------------------------------------------------*/
-/* USER CODE BEGIN TD */
-
-/* USER CODE END TD */
-
-/* Private define ------------------------------------------------------------*/
-/* USER CODE BEGIN PD */
-
-/* USER CODE END PD */
-
-/* Private macro -------------------------------------------------------------*/
-/* USER CODE BEGIN PM */
-
-/* USER CODE END PM */
-
-/* Private variables ---------------------------------------------------------*/
-/* USER CODE BEGIN PV */
-
-/* USER CODE END PV */
-
-/* Private function prototypes -----------------------------------------------*/
-/* USER CODE BEGIN PFP */
-
-/* USER CODE END PFP */
-
-/* Private user code ---------------------------------------------------------*/
-/* USER CODE BEGIN 0 */
-
-/* USER CODE END 0 */
-
-/* External variables --------------------------------------------------------*/
-extern PCD_HandleTypeDef hpcd_USB_OTG_FS;
-extern DMA_HandleTypeDef hdma_dac1;
-extern TIM_HandleTypeDef htim2;
-extern TIM_HandleTypeDef htim7;
-/* USER CODE BEGIN EV */
-
-/* USER CODE END EV */
-
-/******************************************************************************/
-/*           Cortex-M4 Processor Interruption and Exception Handlers          */
-/******************************************************************************/
-/**
-  * @brief This function handles Non maskable interrupt.
-  */
-void NMI_Handler(void)
-{
-  /* USER CODE BEGIN NonMaskableInt_IRQn 0 */
-
-  /* USER CODE END NonMaskableInt_IRQn 0 */
-  /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
-  while (1)
-  {
-  }
-  /* USER CODE END NonMaskableInt_IRQn 1 */
-}
-
-/**
-  * @brief This function handles Hard fault interrupt.
-  */
-void HardFault_Handler(void)
-{
-  /* USER CODE BEGIN HardFault_IRQn 0 */
-
-  /* USER CODE END HardFault_IRQn 0 */
-  while (1)
-  {
-    /* USER CODE BEGIN W1_HardFault_IRQn 0 */
-    /* USER CODE END W1_HardFault_IRQn 0 */
-  }
-}
-
-/**
-  * @brief This function handles Memory management fault.
-  */
-void MemManage_Handler(void)
-{
-  /* USER CODE BEGIN MemoryManagement_IRQn 0 */
-
-  /* USER CODE END MemoryManagement_IRQn 0 */
-  while (1)
-  {
-    /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
-    /* USER CODE END W1_MemoryManagement_IRQn 0 */
-  }
-}
-
-/**
-  * @brief This function handles Pre-fetch fault, memory access fault.
-  */
-void BusFault_Handler(void)
-{
-  /* USER CODE BEGIN BusFault_IRQn 0 */
-
-  /* USER CODE END BusFault_IRQn 0 */
-  while (1)
-  {
-    /* USER CODE BEGIN W1_BusFault_IRQn 0 */
-    /* USER CODE END W1_BusFault_IRQn 0 */
-  }
-}
-
-/**
-  * @brief This function handles Undefined instruction or illegal state.
-  */
-void UsageFault_Handler(void)
-{
-  /* USER CODE BEGIN UsageFault_IRQn 0 */
-
-  /* USER CODE END UsageFault_IRQn 0 */
-  while (1)
-  {
-    /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
-    /* USER CODE END W1_UsageFault_IRQn 0 */
-  }
-}
-
-/**
-  * @brief This function handles Debug monitor.
-  */
-void DebugMon_Handler(void)
-{
-  /* USER CODE BEGIN DebugMonitor_IRQn 0 */
-
-  /* USER CODE END DebugMonitor_IRQn 0 */
-  /* USER CODE BEGIN DebugMonitor_IRQn 1 */
-
-  /* USER CODE END DebugMonitor_IRQn 1 */
-}
-
-/**
-  * @brief This function handles System tick timer.
-  */
-void SysTick_Handler(void)
-{
-  /* USER CODE BEGIN SysTick_IRQn 0 */
-
-  /* USER CODE END SysTick_IRQn 0 */
-  HAL_IncTick();
-#if (INCLUDE_xTaskGetSchedulerState == 1 )
-  if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED)
-  {
-#endif /* INCLUDE_xTaskGetSchedulerState */
-  xPortSysTickHandler();
-#if (INCLUDE_xTaskGetSchedulerState == 1 )
-  }
-#endif /* INCLUDE_xTaskGetSchedulerState */
-  /* USER CODE BEGIN SysTick_IRQn 1 */
-
-  /* USER CODE END SysTick_IRQn 1 */
-}
-
-/******************************************************************************/
-/* STM32F4xx Peripheral Interrupt Handlers                                    */
-/* Add here the Interrupt Handlers for the used peripherals.                  */
-/* For the available peripheral interrupt handler names,                      */
-/* please refer to the startup file (startup_stm32f4xx.s).                    */
-/******************************************************************************/
-
-/**
-  * @brief This function handles EXTI line0 interrupt.
-  */
-void EXTI0_IRQHandler(void)
-{
-  /* USER CODE BEGIN EXTI0_IRQn 0 */
-
-  /* USER CODE END EXTI0_IRQn 0 */
-  HAL_GPIO_EXTI_IRQHandler(BUT_BLUE_Pin);
-  /* USER CODE BEGIN EXTI0_IRQn 1 */
-
-  /* USER CODE END EXTI0_IRQn 1 */
-}
-
-/**
-  * @brief This function handles DMA1 stream5 global interrupt.
-  */
-void DMA1_Stream5_IRQHandler(void)
-{
-  /* USER CODE BEGIN DMA1_Stream5_IRQn 0 */
-
-  /* USER CODE END DMA1_Stream5_IRQn 0 */
-  HAL_DMA_IRQHandler(&hdma_dac1);
-  /* USER CODE BEGIN DMA1_Stream5_IRQn 1 */
-
-  /* USER CODE END DMA1_Stream5_IRQn 1 */
-}
-
-/**
-  * @brief This function handles TIM2 global interrupt.
-  */
-void TIM2_IRQHandler(void)
-{
-  /* USER CODE BEGIN TIM2_IRQn 0 */
-
-  /* USER CODE END TIM2_IRQn 0 */
-  HAL_TIM_IRQHandler(&htim2);
-  /* USER CODE BEGIN TIM2_IRQn 1 */
-
-  /* USER CODE END TIM2_IRQn 1 */
-}
-
-/**
-  * @brief This function handles TIM7 global interrupt.
-  */
-void TIM7_IRQHandler(void)
-{
-  /* USER CODE BEGIN TIM7_IRQn 0 */
-
-  /* USER CODE END TIM7_IRQn 0 */
-  HAL_TIM_IRQHandler(&htim7);
-  /* USER CODE BEGIN TIM7_IRQn 1 */
-
-  /* USER CODE END TIM7_IRQn 1 */
-}
-
-/**
-  * @brief This function handles USB On The Go FS global interrupt.
-  */
-void OTG_FS_IRQHandler(void)
-{
-  /* USER CODE BEGIN OTG_FS_IRQn 0 */
-
-  /* USER CODE END OTG_FS_IRQn 0 */
-  HAL_PCD_IRQHandler(&hpcd_USB_OTG_FS);
-  /* USER CODE BEGIN OTG_FS_IRQn 1 */
-
-  /* USER CODE END OTG_FS_IRQn 1 */
-}
-
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */
diff --git a/Core/Src/syscalls.c b/Core/Src/syscalls.c
index d190edf..d9d48dd 100644
--- a/Core/Src/syscalls.c
+++ b/Core/Src/syscalls.c
@@ -1,26 +1,3 @@
-/**
- ******************************************************************************
- * @file      syscalls.c
- * @author    Auto-generated by STM32CubeIDE
- * @brief     STM32CubeIDE Minimal System calls file
- *
- *            For more information about which c-functions
- *            need which of these lowlevel functions
- *            please consult the Newlib libc-manual
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2020-2023 STMicroelectronics.
- * All rights reserved.
- *
- * This software is licensed under terms that can be found in the LICENSE file
- * in the root directory of this software component.
- * If no LICENSE file comes with this software, it is provided AS-IS.
- *
- ******************************************************************************
- */
-
-/* Includes */
 #include <sys/stat.h>
 #include <stdlib.h>
 #include <errno.h>
@@ -31,146 +8,140 @@
 #include <sys/times.h>
 
 
-/* Variables */
 extern int __io_putchar(int ch) __attribute__((weak));
-extern int __io_getchar(void) __attribute__((weak));
 
+extern int __io_getchar(void) __attribute__((weak));
 
 char *__env[1] = { 0 };
 char **environ = __env;
 
 
-/* Functions */
-void initialise_monitor_handles()
-{
-}
+void initialise_monitor_handles() {}
 
 int _getpid(void)
 {
-  return 1;
+    return 1;
 }
 
 int _kill(int pid, int sig)
 {
-  (void)pid;
-  (void)sig;
-  errno = EINVAL;
-  return -1;
+    (void)pid;
+    (void)sig;
+    errno = EINVAL;
+    return -1;
 }
 
-void _exit (int status)
+void _exit(int status)
 {
-  _kill(status, -1);
-  while (1) {}    /* Make sure we hang here */
+    _kill(status, -1);
+    while (1) {} /* Make sure we hang here */
 }
 
 __attribute__((weak)) int _read(int file, char *ptr, int len)
 {
-  (void)file;
-  int DataIdx;
+    (void)file;
+    int DataIdx;
 
-  for (DataIdx = 0; DataIdx < len; DataIdx++)
-  {
-    *ptr++ = __io_getchar();
-  }
+    for (DataIdx = 0; DataIdx < len; DataIdx++) {
+        *ptr++ = __io_getchar();
+    }
 
-  return len;
+    return len;
 }
 
 __attribute__((weak)) int _write(int file, char *ptr, int len)
 {
-  (void)file;
-  int DataIdx;
+    (void)file;
+    int DataIdx;
 
-  for (DataIdx = 0; DataIdx < len; DataIdx++)
-  {
-    __io_putchar(*ptr++);
-  }
-  return len;
+    for (DataIdx = 0; DataIdx < len; DataIdx++) {
+        __io_putchar(*ptr++);
+    }
+    return len;
 }
 
 int _close(int file)
 {
-  (void)file;
-  return -1;
+    (void)file;
+    return -1;
 }
 
 
 int _fstat(int file, struct stat *st)
 {
-  (void)file;
-  st->st_mode = S_IFCHR;
-  return 0;
+    (void)file;
+    st->st_mode = S_IFCHR;
+    return 0;
 }
 
 int _isatty(int file)
 {
-  (void)file;
-  return 1;
+    (void)file;
+    return 1;
 }
 
 int _lseek(int file, int ptr, int dir)
 {
-  (void)file;
-  (void)ptr;
-  (void)dir;
-  return 0;
+    (void)file;
+    (void)ptr;
+    (void)dir;
+    return 0;
 }
 
 int _open(char *path, int flags, ...)
 {
-  (void)path;
-  (void)flags;
-  /* Pretend like we always fail */
-  return -1;
+    (void)path;
+    (void)flags;
+    /* Pretend like we always fail */
+    return -1;
 }
 
 int _wait(int *status)
 {
-  (void)status;
-  errno = ECHILD;
-  return -1;
+    (void)status;
+    errno = ECHILD;
+    return -1;
 }
 
 int _unlink(char *name)
 {
-  (void)name;
-  errno = ENOENT;
-  return -1;
+    (void)name;
+    errno = ENOENT;
+    return -1;
 }
 
 int _times(struct tms *buf)
 {
-  (void)buf;
-  return -1;
+    (void)buf;
+    return -1;
 }
 
 int _stat(char *file, struct stat *st)
 {
-  (void)file;
-  st->st_mode = S_IFCHR;
-  return 0;
+    (void)file;
+    st->st_mode = S_IFCHR;
+    return 0;
 }
 
 int _link(char *old, char *new)
 {
-  (void)old;
-  (void)new;
-  errno = EMLINK;
-  return -1;
+    (void)old;
+    (void)new;
+    errno = EMLINK;
+    return -1;
 }
 
 int _fork(void)
 {
-  errno = EAGAIN;
-  return -1;
+    errno = EAGAIN;
+    return -1;
 }
 
 int _execve(char *name, char **argv, char **env)
 {
-  (void)name;
-  (void)argv;
-  (void)env;
-  errno = ENOMEM;
-  return -1;
+    (void)name;
+    (void)argv;
+    (void)env;
+    errno = ENOMEM;
+    return -1;
 }
diff --git a/Core/Src/sysmem.c b/Core/Src/sysmem.c
index 921ecef..1ac7d57 100644
--- a/Core/Src/sysmem.c
+++ b/Core/Src/sysmem.c
@@ -1,26 +1,3 @@
-/**
- ******************************************************************************
- * @file      sysmem.c
- * @author    Generated by STM32CubeIDE
- * @brief     STM32CubeIDE System Memory calls file
- *
- *            For more information about which C functions
- *            need which of these lowlevel functions
- *            please consult the newlib libc manual
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2023 STMicroelectronics.
- * All rights reserved.
- *
- * This software is licensed under terms that can be found in the LICENSE file
- * in the root directory of this software component.
- * If no LICENSE file comes with this software, it is provided AS-IS.
- *
- ******************************************************************************
- */
-
-/* Includes */
 #include <errno.h>
 #include <stdint.h>
 
diff --git a/Core/Src/tim.c b/Core/Src/tim.c
deleted file mode 100644
index 04c1b55..0000000
--- a/Core/Src/tim.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file    tim.c
-  * @brief   This file provides code for the configuration
-  *          of the TIM instances.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2023 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-/* USER CODE END Header */
-/* Includes ------------------------------------------------------------------*/
-#include "tim.h"
-
-/* USER CODE BEGIN 0 */
-
-/* USER CODE END 0 */
-
-TIM_HandleTypeDef htim2;
-TIM_HandleTypeDef htim6;
-TIM_HandleTypeDef htim7;
-
-/* TIM2 init function */
-void MX_TIM2_Init(void)
-{
-
-  /* USER CODE BEGIN TIM2_Init 0 */
-
-  /* USER CODE END TIM2_Init 0 */
-
-  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
-  TIM_MasterConfigTypeDef sMasterConfig = {0};
-
-  /* USER CODE BEGIN TIM2_Init 1 */
-
-  /* USER CODE END TIM2_Init 1 */
-  htim2.Instance = TIM2;
-  htim2.Init.Prescaler = 0;
-  htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim2.Init.Period = 429490000;
-  htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
-  htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
-  if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
-  if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
-  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
-  if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  /* USER CODE BEGIN TIM2_Init 2 */
-
-  /* USER CODE END TIM2_Init 2 */
-
-}
-/* TIM6 init function */
-void MX_TIM6_Init(void)
-{
-
-  /* USER CODE BEGIN TIM6_Init 0 */
-
-  /* USER CODE END TIM6_Init 0 */
-
-  TIM_MasterConfigTypeDef sMasterConfig = {0};
-
-  /* USER CODE BEGIN TIM6_Init 1 */
-
-  /* USER CODE END TIM6_Init 1 */
-  htim6.Instance = TIM6;
-  htim6.Init.Prescaler = 0;
-  htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim6.Init.Period = 1904;
-  htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
-  if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
-  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
-  if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  /* USER CODE BEGIN TIM6_Init 2 */
-
-  /* USER CODE END TIM6_Init 2 */
-
-}
-/* TIM7 init function */
-void MX_TIM7_Init(void)
-{
-
-  /* USER CODE BEGIN TIM7_Init 0 */
-
-  /* USER CODE END TIM7_Init 0 */
-
-  TIM_MasterConfigTypeDef sMasterConfig = {0};
-
-  /* USER CODE BEGIN TIM7_Init 1 */
-
-  /* USER CODE END TIM7_Init 1 */
-  htim7.Instance = TIM7;
-  htim7.Init.Prescaler = 10000;
-  htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim7.Init.Period = 429490000;
-  htim7.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
-  if (HAL_TIM_Base_Init(&htim7) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
-  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
-  if (HAL_TIMEx_MasterConfigSynchronization(&htim7, &sMasterConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  /* USER CODE BEGIN TIM7_Init 2 */
-
-  /* USER CODE END TIM7_Init 2 */
-
-}
-
-void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
-{
-
-  if(tim_baseHandle->Instance==TIM2)
-  {
-  /* USER CODE BEGIN TIM2_MspInit 0 */
-
-  /* USER CODE END TIM2_MspInit 0 */
-    /* TIM2 clock enable */
-    __HAL_RCC_TIM2_CLK_ENABLE();
-
-    /* TIM2 interrupt Init */
-    HAL_NVIC_SetPriority(TIM2_IRQn, 5, 0);
-    HAL_NVIC_EnableIRQ(TIM2_IRQn);
-  /* USER CODE BEGIN TIM2_MspInit 1 */
-
-  /* USER CODE END TIM2_MspInit 1 */
-  }
-  else if(tim_baseHandle->Instance==TIM6)
-  {
-  /* USER CODE BEGIN TIM6_MspInit 0 */
-
-  /* USER CODE END TIM6_MspInit 0 */
-    /* TIM6 clock enable */
-    __HAL_RCC_TIM6_CLK_ENABLE();
-  /* USER CODE BEGIN TIM6_MspInit 1 */
-
-  /* USER CODE END TIM6_MspInit 1 */
-  }
-  else if(tim_baseHandle->Instance==TIM7)
-  {
-  /* USER CODE BEGIN TIM7_MspInit 0 */
-
-  /* USER CODE END TIM7_MspInit 0 */
-    /* TIM7 clock enable */
-    __HAL_RCC_TIM7_CLK_ENABLE();
-
-    /* TIM7 interrupt Init */
-    HAL_NVIC_SetPriority(TIM7_IRQn, 5, 0);
-    HAL_NVIC_EnableIRQ(TIM7_IRQn);
-  /* USER CODE BEGIN TIM7_MspInit 1 */
-
-  /* USER CODE END TIM7_MspInit 1 */
-  }
-}
-
-void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
-{
-
-  if(tim_baseHandle->Instance==TIM2)
-  {
-  /* USER CODE BEGIN TIM2_MspDeInit 0 */
-
-  /* USER CODE END TIM2_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __HAL_RCC_TIM2_CLK_DISABLE();
-
-    /* TIM2 interrupt Deinit */
-    HAL_NVIC_DisableIRQ(TIM2_IRQn);
-  /* USER CODE BEGIN TIM2_MspDeInit 1 */
-
-  /* USER CODE END TIM2_MspDeInit 1 */
-  }
-  else if(tim_baseHandle->Instance==TIM6)
-  {
-  /* USER CODE BEGIN TIM6_MspDeInit 0 */
-
-  /* USER CODE END TIM6_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __HAL_RCC_TIM6_CLK_DISABLE();
-  /* USER CODE BEGIN TIM6_MspDeInit 1 */
-
-  /* USER CODE END TIM6_MspDeInit 1 */
-  }
-  else if(tim_baseHandle->Instance==TIM7)
-  {
-  /* USER CODE BEGIN TIM7_MspDeInit 0 */
-
-  /* USER CODE END TIM7_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __HAL_RCC_TIM7_CLK_DISABLE();
-
-    /* TIM7 interrupt Deinit */
-    HAL_NVIC_DisableIRQ(TIM7_IRQn);
-  /* USER CODE BEGIN TIM7_MspDeInit 1 */
-
-  /* USER CODE END TIM7_MspDeInit 1 */
-  }
-}
-
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */