diff --git a/app/Core/Src/spi.c b/app/Core/Src/spi.c
index 74d69c4..9f9c242 100644
--- a/app/Core/Src/spi.c
+++ b/app/Core/Src/spi.c
@@ -79,13 +79,20 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     PA6     ------> SPI1_MISO
     PA7     ------> SPI1_MOSI
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_6|GPIO_PIN_7;
+    GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_6;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
+    GPIO_InitStruct.Pin = GPIO_PIN_7;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_PULLUP;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
   /* USER CODE BEGIN SPI1_MspInit 1 */
 
   /* USER CODE END SPI1_MspInit 1 */
diff --git a/app/MDK-ARM/app.uvoptx b/app/MDK-ARM/app.uvoptx
index 56bc6a9..776c4cc 100644
--- a/app/MDK-ARM/app.uvoptx
+++ b/app/MDK-ARM/app.uvoptx
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_optx.xsd">
 
   <SchemaVersion>1.0</SchemaVersion>
@@ -45,7 +45,7 @@
         <PageWidth>79</PageWidth>
         <PageLength>66</PageLength>
         <TabStop>8</TabStop>
-        <ListingPath />
+        <ListingPath></ListingPath>
       </OPTLEX>
       <ListingPage>
         <CreateCListing>1</CreateCListing>
@@ -104,16 +104,16 @@
         <bSchkAxf>0</bSchkAxf>
         <bTchkAxf>0</bTchkAxf>
         <nTsel>3</nTsel>
-        <sDll />
-        <sDllPa />
-        <sDlgDll />
-        <sDlgPa />
-        <sIfile />
-        <tDll />
-        <tDllPa />
-        <tDlgDll />
-        <tDlgPa />
-        <tIfile />
+        <sDll></sDll>
+        <sDllPa></sDllPa>
+        <sDlgDll></sDlgDll>
+        <sDlgPa></sDlgPa>
+        <sIfile></sIfile>
+        <tDll></tDll>
+        <tDllPa></tDllPa>
+        <tDlgDll></tDlgDll>
+        <tDlgPa></tDlgPa>
+        <tIfile></tIfile>
         <pMon>BIN\CMSIS_AGDI.dll</pMon>
       </DebugOpt>
       <TargetDriverDllRegistry>
@@ -147,8 +147,8 @@
           <BreakByAccess>0</BreakByAccess>
           <BreakIfRCount>0</BreakIfRCount>
           <Filename>../Core/Src/main.c</Filename>
-          <ExecCommand />
-          <Expression />
+          <ExecCommand></ExecCommand>
+          <Expression></Expression>
         </Bp>
         <Bp>
           <Number>1</Number>
@@ -163,8 +163,8 @@
           <BreakByAccess>0</BreakByAccess>
           <BreakIfRCount>0</BreakIfRCount>
           <Filename>../Core/Src/main.c</Filename>
-          <ExecCommand />
-          <Expression />
+          <ExecCommand></ExecCommand>
+          <Expression></Expression>
         </Bp>
         <Bp>
           <Number>2</Number>
@@ -179,8 +179,8 @@
           <BreakByAccess>0</BreakByAccess>
           <BreakIfRCount>0</BreakIfRCount>
           <Filename>../Core/Src/main.c</Filename>
-          <ExecCommand />
-          <Expression />
+          <ExecCommand></ExecCommand>
+          <Expression></Expression>
         </Bp>
       </Breakpoint>
       <Tracepoint>
@@ -212,19 +212,19 @@
         <newCpu>0</newCpu>
         <uProt>0</uProt>
       </DebugFlag>
-      <LintExecutable />
-      <LintConfigFile />
+      <LintExecutable></LintExecutable>
+      <LintConfigFile></LintConfigFile>
       <bLintAuto>0</bLintAuto>
       <bAutoGenD>0</bAutoGenD>
       <LntExFlags>0</LntExFlags>
-      <pMisraName />
-      <pszMrule />
-      <pSingCmds />
-      <pMultCmds />
-      <pMisraNamep />
-      <pszMrulep />
-      <pSingCmdsp />
-      <pMultCmdsp />
+      <pMisraName></pMisraName>
+      <pszMrule></pszMrule>
+      <pSingCmds></pSingCmds>
+      <pMultCmds></pMultCmds>
+      <pMisraNamep></pMisraNamep>
+      <pszMrulep></pszMrulep>
+      <pSingCmdsp></pSingCmdsp>
+      <pMultCmdsp></pMultCmdsp>
       <DebugDescription>
         <Enable>1</Enable>
         <EnableFlashSeq>0</EnableFlashSeq>
diff --git a/app/MDK-ARM/app.uvprojx b/app/MDK-ARM/app.uvprojx
index 90ad399..f945685 100644
--- a/app/MDK-ARM/app.uvprojx
+++ b/app/MDK-ARM/app.uvprojx
@@ -1,7 +1,10 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" noNamespaceSchemaLocation="project_projx.xsd">
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_projx.xsd">
+
   <SchemaVersion>2.1</SchemaVersion>
+
   <Header>### uVision Project, (C) Keil Software</Header>
+
   <Targets>
     <Target>
       <TargetName>app</TargetName>
@@ -16,28 +19,28 @@
           <PackID>Keil.STM32L4xx_DFP.2.6.1</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000-0x2000BFFF) IRAM2(0x10000000-0x10003FFF) IROM(0x8000000-0x801FFFF) CLOCK(8000000) FPU2 CPUTYPE("Cortex-M4") TZ</Cpu>
-          <FlashUtilSpec />
-          <StartupFile />
-          <FlashDriverDll />
+          <FlashUtilSpec></FlashUtilSpec>
+          <StartupFile></StartupFile>
+          <FlashDriverDll></FlashDriverDll>
           <DeviceId>0</DeviceId>
-          <RegisterFile />
-          <MemoryEnv />
-          <Cmp />
-          <Asm />
-          <Linker />
-          <OHString />
-          <InfinionOptionDll />
-          <SLE66CMisc />
-          <SLE66AMisc />
-          <SLE66LinkerMisc />
+          <RegisterFile></RegisterFile>
+          <MemoryEnv></MemoryEnv>
+          <Cmp></Cmp>
+          <Asm></Asm>
+          <Linker></Linker>
+          <OHString></OHString>
+          <InfinionOptionDll></InfinionOptionDll>
+          <SLE66CMisc></SLE66CMisc>
+          <SLE66AMisc></SLE66AMisc>
+          <SLE66LinkerMisc></SLE66LinkerMisc>
           <SFDFile>$$Device:STM32L432KBUx$CMSIS\SVD\STM32L4x2.svd</SFDFile>
           <bCustSvd>0</bCustSvd>
           <UseEnv>0</UseEnv>
-          <BinPath />
-          <IncludePath />
-          <LibPath />
-          <RegisterFilePath />
-          <DBRegisterFilePath />
+          <BinPath></BinPath>
+          <IncludePath></IncludePath>
+          <LibPath></LibPath>
+          <RegisterFilePath></RegisterFilePath>
+          <DBRegisterFilePath></DBRegisterFilePath>
           <TargetStatus>
             <Error>0</Error>
             <ExitCodeStop>0</ExitCodeStop>
@@ -52,15 +55,15 @@
           <CreateHexFile>1</CreateHexFile>
           <DebugInformation>1</DebugInformation>
           <BrowseInformation>1</BrowseInformation>
-          <ListingPath />
+          <ListingPath></ListingPath>
           <HexFormatSelection>1</HexFormatSelection>
           <Merge32K>0</Merge32K>
           <CreateBatchFile>0</CreateBatchFile>
           <BeforeCompile>
             <RunUserProg1>0</RunUserProg1>
             <RunUserProg2>0</RunUserProg2>
-            <UserProg1Name />
-            <UserProg2Name />
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
             <nStopU1X>0</nStopU1X>
@@ -69,8 +72,8 @@
           <BeforeMake>
             <RunUserProg1>0</RunUserProg1>
             <RunUserProg2>0</RunUserProg2>
-            <UserProg1Name />
-            <UserProg2Name />
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
             <nStopB1X>0</nStopB1X>
@@ -79,15 +82,15 @@
           <AfterMake>
             <RunUserProg1>0</RunUserProg1>
             <RunUserProg2>0</RunUserProg2>
-            <UserProg1Name />
-            <UserProg2Name />
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
             <nStopA1X>0</nStopA1X>
             <nStopA2X>0</nStopA2X>
           </AfterMake>
           <SelectedForBatchBuild>1</SelectedForBatchBuild>
-          <SVCSIdString />
+          <SVCSIdString></SVCSIdString>
         </TargetCommonOption>
         <CommonProperty>
           <UseCPPCompiler>0</UseCPPCompiler>
@@ -101,8 +104,8 @@
           <AssembleAssemblyFile>0</AssembleAssemblyFile>
           <PublicsOnly>0</PublicsOnly>
           <StopOnExitCode>3</StopOnExitCode>
-          <CustomArgument />
-          <IncludeLibraryModules />
+          <CustomArgument></CustomArgument>
+          <IncludeLibraryModules></IncludeLibraryModules>
           <ComprImg>0</ComprImg>
         </CommonProperty>
         <DllOption>
@@ -135,11 +138,11 @@
           </Flash1>
           <bUseTDR>1</bUseTDR>
           <Flash2>BIN\UL2V8M.DLL</Flash2>
-          <Flash3 />
-          <Flash4 />
-          <pFcarmOut />
-          <pFcarmGrp />
-          <pFcArmRoot />
+          <Flash3></Flash3>
+          <Flash4></Flash4>
+          <pFcarmOut></pFcarmOut>
+          <pFcarmGrp></pFcarmGrp>
+          <pFcArmRoot></pFcArmRoot>
           <FcArmLst>0</FcArmLst>
         </Utilities>
         <TargetArmAds>
@@ -172,7 +175,7 @@
             <RvctClst>0</RvctClst>
             <GenPPlst>0</GenPPlst>
             <AdsCpuType>"Cortex-M4"</AdsCpuType>
-            <RvctDeviceName />
+            <RvctDeviceName></RvctDeviceName>
             <mOS>0</mOS>
             <uocRom>0</uocRom>
             <uocRam>0</uocRam>
@@ -306,7 +309,7 @@
                 <Size>0x4000</Size>
               </OCR_RVCT10>
             </OnChipMemories>
-            <RvctStartVector />
+            <RvctStartVector></RvctStartVector>
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
@@ -333,9 +336,9 @@
             <v6WtE>0</v6WtE>
             <v6Rtti>0</v6Rtti>
             <VariousControls>
-              <MiscControls />
+              <MiscControls></MiscControls>
               <Define>USE_HAL_DRIVER,STM32L432xx</Define>
-              <Undefine />
+              <Undefine></Undefine>
               <IncludePath>../Core/Inc;../Drivers/STM32L4xx_HAL_Driver/Inc;../Drivers/STM32L4xx_HAL_Driver/Inc/Legacy;../Drivers/CMSIS/Device/ST/STM32L4xx/Include;../Drivers/CMSIS/Include</IncludePath>
             </VariousControls>
           </Cads>
@@ -351,10 +354,10 @@
             <useXO>0</useXO>
             <ClangAsOpt>1</ClangAsOpt>
             <VariousControls>
-              <MiscControls />
-              <Define />
-              <Undefine />
-              <IncludePath />
+              <MiscControls></MiscControls>
+              <Define></Define>
+              <Undefine></Undefine>
+              <IncludePath></IncludePath>
             </VariousControls>
           </Aads>
           <LDads>
@@ -364,15 +367,15 @@
             <noStLib>0</noStLib>
             <RepFail>1</RepFail>
             <useFile>0</useFile>
-            <TextAddressRange />
-            <DataAddressRange />
-            <pXoBase />
-            <ScatterFile />
-            <IncludeLibs />
-            <IncludeLibsPath />
-            <Misc />
-            <LinkerInputFile />
-            <DisabledWarnings />
+            <TextAddressRange></TextAddressRange>
+            <DataAddressRange></DataAddressRange>
+            <pXoBase></pXoBase>
+            <ScatterFile></ScatterFile>
+            <IncludeLibs></IncludeLibs>
+            <IncludeLibsPath></IncludeLibsPath>
+            <Misc></Misc>
+            <LinkerInputFile></LinkerInputFile>
+            <DisabledWarnings></DisabledWarnings>
           </LDads>
         </TargetArmAds>
       </TargetOption>
@@ -558,17 +561,18 @@
       </Groups>
     </Target>
   </Targets>
+
   <RTE>
-    <apis />
+    <apis/>
     <components>
       <component Cclass="CMSIS" Cgroup="CORE" Cvendor="ARM" Cversion="4.3.0" condition="CMSIS Core">
-        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="4.5.0" />
+        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="4.5.0"/>
         <targetInfos>
-          <targetInfo name="app" />
+          <targetInfo name="app"/>
         </targetInfos>
       </component>
     </components>
-    <files />
+    <files/>
   </RTE>
-</Project>
 
+</Project>
diff --git a/app/app.ioc b/app/app.ioc
index b63f9ee..64ec943 100644
--- a/app/app.ioc
+++ b/app/app.ioc
@@ -62,6 +62,8 @@ PA3.Mode=Asynchronous
 PA3.Signal=USART2_RX
 PA6.Mode=Full_Duplex_Master
 PA6.Signal=SPI1_MISO
+PA7.GPIOParameters=GPIO_PuPd
+PA7.GPIO_PuPd=GPIO_PULLUP
 PA7.Mode=Full_Duplex_Master
 PA7.Signal=SPI1_MOSI
 PA9.Mode=Asynchronous
diff --git a/usersrc/usermain.c b/usersrc/usermain.c
index 2249b62..2bc1ee4 100644
--- a/usersrc/usermain.c
+++ b/usersrc/usermain.c
@@ -19,7 +19,7 @@ bool BSP_Read(uint8_t *pData, uint8_t register_address, uint32_t Size)
   {
     cmd += register_address;
   }
-
+  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_7, GPIO_PIN_SET);
   SPI_CS_Enable();
   HAL_SPI_Transmit(&hspi1, &cmd, 1, SPI_TIMEOUT_VALUE);
   // if (HAL_SPI_Receive(&hspi1, pData, Size, SPI_TIMEOUT_VALUE) != HAL_OK)
@@ -27,6 +27,7 @@ bool BSP_Read(uint8_t *pData, uint8_t register_address, uint32_t Size)
   //   return false;
   // }
   SPI_CS_Disable();
+  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_7, GPIO_PIN_SET);
   return true;
 }