diff --git a/termin2/aufgaben3-5/LaborRechnersysteme2_2.ioc b/termin2/aufgaben3-5/LaborRechnersysteme2_2.ioc
new file mode 100644
index 0000000..71feb65
--- /dev/null
+++ b/termin2/aufgaben3-5/LaborRechnersysteme2_2.ioc
@@ -0,0 +1,394 @@
+#MicroXplorer Configuration settings - do not modify
+PA11.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PH0-OSC_IN.Locked=true
+PD12.GPIO_Label=LD4 [Green Led]
+PC7.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PH0-OSC_IN.Signal=RCC_OSC_IN
+PC10.GPIO_PuPd=GPIO_NOPULL
+PB10.GPIO_PuPd=GPIO_NOPULL
+PC12.Locked=true
+PA10.GPIO_PuPd=GPIO_NOPULL
+RCC.PLLCLKFreq_Value=168000000
+PC12.Signal=I2S3_SD
+PA14.GPIO_Label=SWCLK
+RCC.PLLQCLKFreq_Value=48000000
+PC7.Locked=true
+I2S3.IPParameters=AudioFreq-Half_Duplex_Master,ErrorAudioFreq-Half_Duplex_Master,RealAudioFreq-Half_Duplex_Master,RealAudioFreq,ErrorAudioFreq,Instance,VirtualMode,FullDuplexMode,AudioFreq
+USB_HOST0.BSP.condition=
+PC3.Locked=true
+RCC.RTCFreq_Value=32000
+PA6.GPIO_Label=SPI1_MISO [LIS302DL_SDO]
+PB6.GPIO_Label=Audio_SCL [CS43L22_SCL]
+PD4.Locked=true
+PC15-OSC32_OUT.GPIO_Label=PC15-OSC32_OUT
+PinOutPanel.RotationAngle=0
+RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
+PC3.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PA6.GPIO_Mode=GPIO_MODE_AF_PP
+NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+PD14.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PD15.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label
+PA4.Mode=Half_Duplex_Master
+I2S3.AudioFreq-Half_Duplex_Master=I2S_AUDIOFREQ_96K
+PD4.Signal=GPIO_Output
+RCC.APB2TimFreq_Value=168000000
+PB6.Signal=I2C1_SCL
+PC7.Signal=I2S3_MCK
+USB_HOST0.BSP.component=
+PB6.Mode=I2C
+PC3.Signal=I2S2_SD
+PE1.Signal=GPXTI1
+ProjectManager.ProjectBuild=false
+NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+USB_OTG_FS.phy_itface=HCD_PHY_EMBEDDED
+PB2.Signal=GPIO_Input
+PA4.Locked=true
+ProjectManager.FirmwarePackage=STM32Cube FW_F4 V1.26.2
+MxDb.Version=DB.6.0.21
+I2S3.ErrorAudioFreq=-2.34 %
+ProjectManager.BackupPrevious=false
+I2S3.ErrorAudioFreq-Half_Duplex_Master=0.8 %
+PH1-OSC_OUT.Locked=true
+PD5.GPIO_Mode=GPIO_MODE_INPUT
+PD14.GPIO_PuPd=GPIO_NOPULL
+PE1.Locked=true
+PB6.Locked=true
+NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+ProjectManager.HalAssertFull=false
+PB2.GPIO_PuPd=GPIO_NOPULL
+RCC.MCO2PinFreq_Value=168000000
+Mcu.Package=LQFP100
+PB9.Signal=I2C1_SDA
+PA5.Locked=true
+PD12.Signal=GPIO_Output
+PD5.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_Mode
+PA14.Locked=true
+VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+PB9.GPIO_PuPd=GPIO_NOPULL
+PA10.Signal=USB_OTG_FS_ID
+PA5.GPIOParameters=GPIO_Label
+RCC.APB2CLKDivider=RCC_HCLK_DIV2
+RCC.APB1TimFreq_Value=84000000
+NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+USB_OTG_FS.IPParameters=phy_itface,VirtualMode
+PB10.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PC12.GPIO_PuPd=GPIO_NOPULL
+PC15-OSC32_OUT.GPIOParameters=GPIO_Label
+PA6.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PA12.GPIO_PuPd=GPIO_NOPULL
+PD5.Locked=true
+PA4.GPIO_Label=I2S3_WS [CS43L22_LRCK]
+PD15.Signal=GPIO_Output
+ProjectManager.CustomerFirmwarePackage=
+PC0.PinState=GPIO_PIN_SET
+TIM9.Period=875-1
+PA6.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+SH.COMP_DAC2_group.ConfNb=1
+I2S3.FullDuplexMode=I2S_FULLDUPLEXMODE_DISABLE
+ProjectManager.ProjectFileName=LaborRechnersysteme2_2.ioc
+Mcu.PinsNb=37
+PA9.GPIO_Label=VBUS_FS
+PB6.GPIO_PuPd=GPIO_NOPULL
+PC2.Signal=GPIO_Output
+PD13.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label
+SH.GPXTI0.ConfNb=1
+PA11.GPIO_Label=OTG_FS_DM
+PE1.GPIO_PuPd=GPIO_NOPULL
+PC0.Signal=GPIO_Output
+RCC.APB1CLKDivider=RCC_HCLK_DIV4
+PC14-OSC32_IN.Signal=RCC_OSC32_IN
+PA0-WKUP.GPIO_ModeDefaultEXTI=GPIO_MODE_EVT_RISING
+PA0-WKUP.GPIO_Label=B1 [Blue PushButton]
+VP_TIM9_VS_ClockSourceINT.Signal=TIM9_VS_ClockSourceINT
+PA0-WKUP.Signal=GPXTI0
+USB_HOST0.BSP.semaphore=
+PC3.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+USB_HOST0.BSP.STBoard=false
+PC10.GPIO_Mode=GPIO_MODE_AF_PP
+PA11.Locked=true
+PB10.GPIO_Mode=GPIO_MODE_AF_PP
+PC15-OSC32_OUT.Locked=true
+PA9.Signal=USB_OTG_FS_VBUS
+PB9.Locked=true
+I2S3.VirtualMode=I2S_MODE_MASTER
+PC7.GPIO_PuPd=GPIO_NOPULL
+PB10.Signal=I2S2_CK
+PA5.Signal=COMP_DAC2_group
+I2S3.AudioFreq=I2S_AUDIOFREQ_96K
+PC12.Mode=Half_Duplex_Master
+PE1.GPIO_Label=MEMS_INT2 [LIS302DL_INT2]
+ProjectManager.LastFirmware=true
+USB_HOST.VirtualModeFS=Cdc
+PA7.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PB2.GPIO_Mode=GPIO_MODE_INPUT
+Mcu.Pin35=VP_TIM9_VS_ClockSourceINT
+Mcu.Pin36=VP_USB_HOST_VS_USB_HOST_CDC_FS
+PD4.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PC2.GPIOParameters=GPIO_Label
+Mcu.Pin30=PB3
+RCC.EthernetFreq_Value=168000000
+Mcu.Pin33=PE1
+PE3.GPIO_PuPd=GPIO_NOPULL
+Mcu.Pin34=VP_SYS_VS_Systick
+Mcu.Pin31=PB6
+Mcu.Pin32=PB9
+PA9.Locked=true
+NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+PC10.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PH1-OSC_OUT.GPIO_Label=PH1-OSC_OUT
+PA13.Mode=Serial_Wire
+ProjectManager.FreePins=false
+Mcu.Pin26=PC10
+NVIC.TIM1_BRK_TIM9_IRQn=true\:0\:0\:false\:false\:true\:true\:true
+Mcu.Pin27=PC12
+RCC.RTCHSEDivFreq_Value=4000000
+Mcu.Pin24=PA13
+ProjectManager.UnderRoot=true
+Mcu.Pin25=PA14
+Mcu.Pin28=PD4
+PC7.GPIO_Label=I2S3_MCK [CS43L22_MCLK]
+Mcu.Pin29=PD5
+PD14.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label
+PA4.Signal=I2S3_WS
+Mcu.Pin22=PA11
+PC12.GPIO_Mode=GPIO_MODE_AF_PP
+Mcu.Pin23=PA12
+Mcu.Pin20=PA9
+Mcu.Pin21=PA10
+PA5.GPIO_Label=DAC_OUT2
+PA10.Locked=true
+NVIC.ForceEnableDMAVector=true
+PE3.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PA14.GPIOParameters=GPIO_Label
+NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+PC12.GPIO_Label=I2S3_SD [CS43L22_SDIN]
+ProjectManager.CompilerOptimize=6
+PD15.Locked=true
+PA11.Signal=USB_OTG_FS_DM
+ProjectManager.HeapSize=0x200
+Mcu.Pin15=PD12
+NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+Mcu.Pin16=PD13
+Mcu.Pin13=PB2
+Mcu.Pin14=PB10
+Mcu.Pin19=PC7
+ProjectManager.ComputerToolchain=false
+Mcu.Pin17=PD14
+Mcu.Pin18=PD15
+NVIC.PriorityGroup=NVIC_PRIORITYGROUP_0
+Mcu.Pin11=PA6
+Mcu.Pin12=PA7
+Mcu.Pin10=PA5
+PE3.Signal=GPIO_Output
+PC3.GPIO_Label=PDM_OUT [MP45DT02_DOUT]
+PA0-WKUP.GPIO_PuPd=GPIO_NOPULL
+I2S3.Instance=SPI$Index
+PB6.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+SH.GPXTI1.ConfNb=1
+USB_HOST0.BSP.mode=Output
+PA7.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PC0.Locked=true
+Mcu.Family=STM32F4
+SH.GPXTI1.0=GPIO_EXTI1
+ProjectManager.MainLocation=Core/Src
+PC3.GPIO_Mode=GPIO_MODE_AF_PP
+RCC.CortexFreq_Value=168000000
+ProjectManager.KeepUserCode=true
+Mcu.UserName=STM32F407VGTx
+PB10.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PB6.GPIO_Mode=GPIO_MODE_AF_OD
+PC10.Locked=true
+PD15.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PC10.Signal=I2S3_CK
+PA7.GPIO_Mode=GPIO_MODE_AF_PP
+PA12.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_I2C1_Init-I2C1-false-HAL-true,4-MX_I2S3_Init-I2S3-false-HAL-true,5-MX_SPI1_Init-SPI1-false-HAL-true,5-MX_USB_HOST_Init-USB_HOST-false-HAL-false
+PC0.GPIOParameters=GPIO_Speed,PinState,GPIO_PuPd,GPIO_Label
+PA9.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_Mode
+PA11.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PC0.GPIO_Label=OTG_FS_PowerSwitchOn
+PA11.Mode=Host_Only
+PH0-OSC_IN.GPIOParameters=GPIO_Label
+PC10.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PA11.GPIO_PuPd=GPIO_NOPULL
+ProjectManager.StackSize=0x400
+SH.COMP_DAC2_group.0=DAC_OUT2,DAC_OUT2
+PD13.Signal=GPIO_Output
+Mcu.IP4=RCC
+RCC.FCLKCortexFreq_Value=168000000
+Mcu.IP5=SYS
+Mcu.IP2=I2S3
+PD13.Locked=true
+Mcu.IP3=NVIC
+Mcu.IP0=DAC
+PA12.Locked=true
+Mcu.IP1=I2C1
+PA12.Signal=USB_OTG_FS_DP
+Mcu.UserConstants=
+Mcu.ThirdPartyNb=0
+RCC.HCLKFreq_Value=168000000
+Mcu.IPNb=9
+RCC.I2SClocksFreq_Value=96000000
+ProjectManager.PreviousToolchain=
+RCC.VcooutputI2S=96000000
+Mcu.Pin6=PC2
+Mcu.Pin7=PC3
+Mcu.Pin8=PA0-WKUP
+Mcu.Pin9=PA4
+USB_HOST0.BSP.ip=GPIO
+RCC.AHBFreq_Value=168000000
+PH0-OSC_IN.Mode=HSE-External-Oscillator
+PH0-OSC_IN.GPIO_Label=PH0-OSC_IN
+Mcu.Pin0=PE3
+Mcu.Pin1=PC14-OSC32_IN
+Mcu.Pin2=PC15-OSC32_OUT
+PA9.GPIO_Mode=GPIO_MODE_INPUT
+Mcu.Pin3=PH0-OSC_IN
+Mcu.Pin4=PH1-OSC_OUT
+PA0-WKUP.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultEXTI
+Mcu.Pin5=PC0
+RCC.HSE_VALUE=8000000
+NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:true\:false
+PA4.GPIO_PuPd=GPIO_NOPULL
+NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:true\:true
+PA4.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PA6.GPIO_PuPd=GPIO_NOPULL
+PC14-OSC32_IN.Mode=LSE-External-Oscillator
+RCC.VCOInputFreq_Value=1000000
+PA14.Mode=Serial_Wire
+File.Version=6
+PA10.GPIO_Label=OTG_FS_ID
+PC7.GPIO_Mode=GPIO_MODE_AF_PP
+PE3.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label
+PB3.GPIOParameters=GPIO_Label
+PE3.Locked=true
+USB_HOST0.BSP.i2creg=0
+PB6.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PC14-OSC32_IN.GPIOParameters=GPIO_Label
+ProjectManager.ProjectName=LaborRechnersysteme2_2
+PA13.GPIOParameters=GPIO_Label
+PH1-OSC_OUT.Mode=HSE-External-Oscillator
+USB_HOST0.BSP.i2caddr=0
+PD13.GPIO_Label=LD3 [Orange Led]
+PA6.Signal=SPI1_MISO
+PA7.Locked=true
+USB_HOST.USBH_HandleTypeDef-CDC_FS=hUsbHostFS
+PD5.GPIO_Label=OTG_FS_OverCurrent
+NVIC.OTG_FS_IRQn=true\:0\:0\:false\:false\:true\:true\:true
+ProjectManager.ToolChainLocation=
+PD15.GPIO_PuPd=GPIO_NOPULL
+PD14.Locked=true
+RCC.LSI_VALUE=32000
+SH.GPXTI0.0=GPIO_EXTI0
+USB_OTG_FS.VirtualMode=Host_Only
+PA10.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+USB_HOST0.BSP.name=Drive_VBUS_FS
+PB9.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PC14-OSC32_IN.GPIO_Label=PC14-OSC32_IN
+PC0.GPIO_PuPd=GPIO_NOPULL
+PC2.GPIO_Label=Scope
+TIM9.IPParameters=Period
+PC14-OSC32_IN.Locked=true
+PA12.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PB3.Locked=true
+PB3.GPIO_Label=SWO
+PC15-OSC32_OUT.Mode=LSE-External-Oscillator
+USB_HOST.IPParameters=VirtualModeFS,USBH_HandleTypeDef-CDC_FS
+PD12.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PD15.GPIO_Label=LD6 [Blue Led]
+PB9.GPIO_Label=Audio_SDA [CS43L22_SDA]
+PC10.GPIO_Label=I2S3_SCK [CS43L22_SCLK]
+ProjectManager.NoMain=false
+USB_HOST0.BSP.solution=PC0
+PC10.Mode=Half_Duplex_Master
+USB_HOST.BSP.number=1
+ProjectManager.DefaultFWLocation=true
+PD5.Signal=GPIO_Input
+ProjectManager.DeletePrevious=true
+PE1.GPIO_ModeDefaultEXTI=GPIO_MODE_EVT_RISING
+PB10.Locked=true
+boardIOC=true
+PA9.GPIO_PuPd=GPIO_NOPULL
+PA12.GPIO_Label=OTG_FS_DP
+RCC.FamilyName=M
+PA0-WKUP.Locked=true
+PB9.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PA10.GPIO_Mode=GPIO_MODE_AF_PP
+PD12.Locked=true
+PC12.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PA13.Signal=SYS_JTMS-SWDIO
+PD4.GPIO_PuPd=GPIO_NOPULL
+PA9.Mode=Activate_VBUS
+PC0.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+I2S3.RealAudioFreq-Half_Duplex_Master=96.774 KHz
+PD12.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label
+ProjectManager.TargetToolchain=STM32CubeIDE
+PB10.GPIO_Label=CLK_IN [MP45DT02_CLK]
+PB9.Mode=I2C
+PB2.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_Mode
+PC2.Locked=true
+ProjectManager.RegisterCallBack=
+PC15-OSC32_OUT.Signal=RCC_OSC32_OUT
+PA7.GPIO_PuPd=GPIO_NOPULL
+RCC.VCOI2SOutputFreq_Value=192000000
+board=STM32F407G-DISC1
+PD13.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+PC7.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+RCC.VCOOutputFreq_Value=336000000
+VP_TIM9_VS_ClockSourceINT.Mode=Internal
+PB9.GPIO_Mode=GPIO_MODE_AF_OD
+PA12.GPIO_Mode=GPIO_MODE_AF_PP
+PA4.GPIO_Mode=GPIO_MODE_AF_PP
+RCC.APB2Freq_Value=84000000
+USB_HOST0.BSP.api=Unknown
+MxCube.Version=6.2.1
+PD4.GPIO_Label=Audio_RST [CS43L22_RESET]
+VP_SYS_VS_Systick.Mode=SysTick
+PD4.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label
+PA10.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+PH1-OSC_OUT.Signal=RCC_OSC_OUT
+PD13.GPIO_PuPd=GPIO_NOPULL
+PD5.GPIO_PuPd=GPIO_NOPULL
+PD14.GPIO_Label=LD5 [Red Led]
+PA4.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_Mode
+RCC.IPParameters=48MHZClocksFreq_Value,AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2CLKDivider,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,EthernetFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2SClocksFreq_Value,LSI_VALUE,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLM,PLLN,PLLQ,PLLQCLKFreq_Value,RTCFreq_Value,RTCHSEDivFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VcooutputI2S
+ProjectManager.AskForMigrate=true
+Mcu.Name=STM32F407V(E-G)Tx
+PA13.GPIO_Label=SWDIO
+PB2.Locked=true
+Mcu.IP8=USB_OTG_FS
+PD14.Signal=GPIO_Output
+Mcu.IP6=TIM9
+Mcu.IP7=USB_HOST
+ProjectManager.CoupleFile=false
+RCC.48MHZClocksFreq_Value=48000000
+PB3.Signal=SYS_JTDO-SWO
+RCC.SYSCLKFreq_VALUE=168000000
+VP_USB_HOST_VS_USB_HOST_CDC_FS.Signal=USB_HOST_VS_USB_HOST_CDC_FS
+PA7.GPIO_Label=SPI1_MOSI [LIS302DL_SDA/SDI/SDO]
+PA12.Mode=Host_Only
+KeepUserPlacement=false
+VP_USB_HOST_VS_USB_HOST_CDC_FS.Mode=CDC_FS
+PA13.Locked=true
+PH1-OSC_OUT.GPIOParameters=GPIO_Label
+PA14.Signal=SYS_JTCK-SWCLK
+PB2.GPIO_Label=BOOT1
+RCC.HSI_VALUE=16000000
+RCC.PLLQ=7
+I2S3.RealAudioFreq=93.75 KHz
+RCC.PLLM=8
+RCC.PLLN=336
+PE3.GPIO_Label=CS_I2C/SPI [LIS302DL_CS_I2C/SPI]
+PC7.Mode=Master_Clock_Activated
+PA11.GPIO_Mode=GPIO_MODE_AF_PP
+RCC.APB1Freq_Value=42000000
+PC12.GPIO_Speed=GPIO_SPEED_FREQ_LOW
+ProjectManager.DeviceId=STM32F407VGTx
+ProjectManager.LibraryCopy=1
+PC3.GPIO_PuPd=GPIO_NOPULL
+PD12.GPIO_PuPd=GPIO_NOPULL
+PE1.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultEXTI
+PA7.Signal=SPI1_MOSI
+USB_HOST0.BSP.instance=PC0
+PA6.Locked=true
+isbadioc=false
diff --git a/termin2/aufgaben3-5/main2.c b/termin2/aufgaben3-5/main2.c
new file mode 100644
index 0000000..16eb623
--- /dev/null
+++ b/termin2/aufgaben3-5/main2.c
@@ -0,0 +1,474 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file : main.c
+ * @brief : Main program body
+ * Musab Erdem
+ * 8757524
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2024 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under Ultimate Liberty license
+ * SLA0044, the "License"; You may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at:
+ * www.st.com/SLA0044
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+#include "usb_host.h"
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+#include
+/* 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 ---------------------------------------------------------*/
+DAC_HandleTypeDef hdac;
+
+I2C_HandleTypeDef hi2c1;
+
+I2S_HandleTypeDef hi2s3;
+
+TIM_HandleTypeDef htim9;
+
+/* USER CODE BEGIN PV */
+#define TABLE_SIZE 4096
+uint16_t sine_table[TABLE_SIZE];
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+void SystemClock_Config(void);
+static void MX_GPIO_Init(void);
+static void MX_I2C1_Init(void);
+static void MX_I2S3_Init(void);
+static void MX_DAC_Init(void);
+static void MX_TIM9_Init(void);
+void MX_USB_HOST_Process(void);
+
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/* Private user code ---------------------------------------------------------*/
+/* USER CODE BEGIN 0 */
+void generate_sine_table() {
+ for (int i = 0; i < TABLE_SIZE; i++) {
+ sine_table[i] = (uint16_t)((sin(2 * M_PI * i / TABLE_SIZE) + 1) * 2047.5);
+ }
+}
+/* USER CODE END 0 */
+
+/**
+ * @brief The application entry point.
+ * @retval int
+ */
+int main(void)
+{
+ /* USER CODE BEGIN 1 */
+
+ /* USER CODE END 1 */
+
+ /* MCU Configuration--------------------------------------------------------*/
+
+ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+ HAL_Init();
+
+ /* USER CODE BEGIN Init */
+
+ /* USER CODE END Init */
+
+ /* Configure the system clock */
+ SystemClock_Config();
+
+ /* USER CODE BEGIN SysInit */
+
+ /* USER CODE END SysInit */
+
+ /* Initialize all configured peripherals */
+ MX_GPIO_Init();
+ MX_I2C1_Init();
+ MX_I2S3_Init();
+ MX_USB_HOST_Init();
+ MX_DAC_Init();
+ MX_TIM9_Init();
+ /* USER CODE BEGIN 2 */
+ HAL_TIM_Base_Start_IT(&htim9);
+ generate_sine_table();
+ HAL_DAC_Start(&hdac, DAC_CHANNEL_2);
+ /* USER CODE END 2 */
+
+ /* Infinite loop */
+ /* USER CODE BEGIN WHILE */
+ while (1)
+ {
+ /* USER CODE END WHILE */
+ MX_USB_HOST_Process();
+
+ /* USER CODE BEGIN 3 */
+ }
+ /* USER CODE END 3 */
+}
+
+/**
+ * @brief System Clock Configuration
+ * @retval None
+ */
+void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+ RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {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 = 8;
+ RCC_OscInitStruct.PLL.PLLN = 336;
+ 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();
+ }
+ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2S;
+ PeriphClkInitStruct.PLLI2S.PLLI2SN = 192;
+ PeriphClkInitStruct.PLLI2S.PLLI2SR = 2;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+ {
+ Error_Handler();
+ }
+}
+
+/**
+ * @brief DAC Initialization Function
+ * @param None
+ * @retval None
+ */
+static 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.Instance = DAC;
+ if (HAL_DAC_Init(&hdac) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /** DAC channel OUT2 config
+ */
+ sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
+ sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
+ if (HAL_DAC_ConfigChannel(&hdac, &sConfig, DAC_CHANNEL_2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /* USER CODE BEGIN DAC_Init 2 */
+
+ /* USER CODE END DAC_Init 2 */
+
+}
+
+/**
+ * @brief I2C1 Initialization Function
+ * @param None
+ * @retval None
+ */
+static void MX_I2C1_Init(void)
+{
+
+ /* USER CODE BEGIN I2C1_Init 0 */
+
+ /* USER CODE END I2C1_Init 0 */
+
+ /* USER CODE BEGIN I2C1_Init 1 */
+
+ /* USER CODE END I2C1_Init 1 */
+ hi2c1.Instance = I2C1;
+ hi2c1.Init.ClockSpeed = 100000;
+ hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
+ hi2c1.Init.OwnAddress1 = 0;
+ hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+ hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
+ hi2c1.Init.OwnAddress2 = 0;
+ hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
+ hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
+ if (HAL_I2C_Init(&hi2c1) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /* USER CODE BEGIN I2C1_Init 2 */
+
+ /* USER CODE END I2C1_Init 2 */
+
+}
+
+/**
+ * @brief I2S3 Initialization Function
+ * @param None
+ * @retval None
+ */
+static void MX_I2S3_Init(void)
+{
+
+ /* USER CODE BEGIN I2S3_Init 0 */
+
+ /* USER CODE END I2S3_Init 0 */
+
+ /* USER CODE BEGIN I2S3_Init 1 */
+
+ /* USER CODE END I2S3_Init 1 */
+ hi2s3.Instance = SPI3;
+ hi2s3.Init.Mode = I2S_MODE_MASTER_TX;
+ hi2s3.Init.Standard = I2S_STANDARD_PHILIPS;
+ hi2s3.Init.DataFormat = I2S_DATAFORMAT_16B;
+ hi2s3.Init.MCLKOutput = I2S_MCLKOUTPUT_ENABLE;
+ hi2s3.Init.AudioFreq = I2S_AUDIOFREQ_96K;
+ hi2s3.Init.CPOL = I2S_CPOL_LOW;
+ hi2s3.Init.ClockSource = I2S_CLOCK_PLL;
+ hi2s3.Init.FullDuplexMode = I2S_FULLDUPLEXMODE_DISABLE;
+ if (HAL_I2S_Init(&hi2s3) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /* USER CODE BEGIN I2S3_Init 2 */
+
+ /* USER CODE END I2S3_Init 2 */
+
+}
+
+/**
+ * @brief TIM9 Initialization Function
+ * @param None
+ * @retval None
+ */
+static void MX_TIM9_Init(void)
+{
+
+ /* USER CODE BEGIN TIM9_Init 0 */
+
+ /* USER CODE END TIM9_Init 0 */
+
+ TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+
+ /* USER CODE BEGIN TIM9_Init 1 */
+
+ /* USER CODE END TIM9_Init 1 */
+ htim9.Instance = TIM9;
+ htim9.Init.Prescaler = 0;
+ htim9.Init.CounterMode = TIM_COUNTERMODE_UP;
+ htim9.Init.Period = 875-1;
+ htim9.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+ htim9.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+ if (HAL_TIM_Base_Init(&htim9) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+ if (HAL_TIM_ConfigClockSource(&htim9, &sClockSourceConfig) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /* USER CODE BEGIN TIM9_Init 2 */
+
+ /* USER CODE END TIM9_Init 2 */
+
+}
+
+/**
+ * @brief GPIO Initialization Function
+ * @param None
+ * @retval None
+ */
+static void MX_GPIO_Init(void)
+{
+ GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+ /* GPIO Ports Clock Enable */
+ __HAL_RCC_GPIOE_CLK_ENABLE();
+ __HAL_RCC_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOH_CLK_ENABLE();
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
+ __HAL_RCC_GPIOD_CLK_ENABLE();
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(CS_I2C_SPI_GPIO_Port, CS_I2C_SPI_Pin, GPIO_PIN_RESET);
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(OTG_FS_PowerSwitchOn_GPIO_Port, OTG_FS_PowerSwitchOn_Pin, GPIO_PIN_SET);
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(Scope_GPIO_Port, Scope_Pin, GPIO_PIN_RESET);
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(GPIOD, LD4_Pin|LD3_Pin|LD5_Pin|LD6_Pin
+ |Audio_RST_Pin, GPIO_PIN_RESET);
+
+ /*Configure GPIO pin : CS_I2C_SPI_Pin */
+ GPIO_InitStruct.Pin = CS_I2C_SPI_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ HAL_GPIO_Init(CS_I2C_SPI_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pins : OTG_FS_PowerSwitchOn_Pin Scope_Pin */
+ GPIO_InitStruct.Pin = OTG_FS_PowerSwitchOn_Pin|Scope_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : PDM_OUT_Pin */
+ GPIO_InitStruct.Pin = PDM_OUT_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
+ HAL_GPIO_Init(PDM_OUT_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : B1_Pin */
+ GPIO_InitStruct.Pin = B1_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pins : SPI1_MISO_Pin SPI1_MOSI_Pin */
+ GPIO_InitStruct.Pin = SPI1_MISO_Pin|SPI1_MOSI_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : BOOT1_Pin */
+ GPIO_InitStruct.Pin = BOOT1_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ HAL_GPIO_Init(BOOT1_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : CLK_IN_Pin */
+ GPIO_InitStruct.Pin = CLK_IN_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
+ HAL_GPIO_Init(CLK_IN_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pins : LD4_Pin LD3_Pin LD5_Pin LD6_Pin
+ Audio_RST_Pin */
+ GPIO_InitStruct.Pin = LD4_Pin|LD3_Pin|LD5_Pin|LD6_Pin
+ |Audio_RST_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : OTG_FS_OverCurrent_Pin */
+ GPIO_InitStruct.Pin = OTG_FS_OverCurrent_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ HAL_GPIO_Init(OTG_FS_OverCurrent_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : MEMS_INT2_Pin */
+ GPIO_InitStruct.Pin = MEMS_INT2_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ HAL_GPIO_Init(MEMS_INT2_GPIO_Port, &GPIO_InitStruct);
+
+}
+
+/* USER CODE BEGIN 4 */
+void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
+ static uint16_t index = 0;
+ uint16_t step = 1;
+
+ if (htim->Instance == TIM9) {
+ HAL_DAC_SetValue(&hdac, DAC_CHANNEL_2, DAC_ALIGN_12B_R, sine_table[index]);
+ index = (index + step) % TABLE_SIZE;
+ }
+}
+/* USER CODE END 4 */
+
+/**
+ * @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 */
+ __disable_irq();
+ while (1)
+ {
+ }
+ /* USER CODE END Error_Handler_Debug */
+}
+
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief Reports the name of the source file and the source line number
+ * where the assert_param error has occurred.
+ * @param file: pointer to the source file name
+ * @param line: assert_param error line source number
+ * @retval None
+ */
+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 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/