期末大作业-增加数码管

FinalHomework/Core/Inc/SegLed.h

@@ -0,0 +1,21 @@
+#include <stdint.h>
+#ifndef __SEGLED_H
+#define __SEGLED_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include "variable.h"
+
+void Display(void);
+void TimeToBuff(structTime *nstTime);
+void DispToBuff(uint8_t val);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SEGLED_H */

FinalHomework/Core/Inc/main.h

@@ -59,6 +59,16 @@ void Error_Handler(void);
 /* Private defines -----------------------------------------------------------*/
 #define TickLed_Pin GPIO_PIN_13
 #define TickLed_GPIO_Port GPIOC
+#define AddrA_Pin GPIO_PIN_0
+#define AddrA_GPIO_Port GPIOC
+#define AddrB_Pin GPIO_PIN_1
+#define AddrB_GPIO_Port GPIOC
+#define AddrC_Pin GPIO_PIN_2
+#define AddrC_GPIO_Port GPIOC
+#define OE_Pin GPIO_PIN_3
+#define OE_GPIO_Port GPIOC
+#define SegLedData_Pin GPIO_PIN_0
+#define SegLedData_GPIO_Port GPIOA
 #define LCD_RST_Pin GPIO_PIN_11
 #define LCD_RST_GPIO_Port GPIOB
 #define LCD_CS_Pin GPIO_PIN_12

FinalHomework/Core/Inc/stm32g4xx_hal_conf.h

@@ -62,7 +62,7 @@
 /*#define HAL_SMBUS_MODULE_ENABLED   */
 #define HAL_SPI_MODULE_ENABLED
 /*#define HAL_SRAM_MODULE_ENABLED   */
-/*#define HAL_TIM_MODULE_ENABLED   */
+#define HAL_TIM_MODULE_ENABLED
 /*#define HAL_UART_MODULE_ENABLED   */
 /*#define HAL_USART_MODULE_ENABLED   */
 /*#define HAL_WWDG_MODULE_ENABLED   */

FinalHomework/Core/Inc/stm32g4xx_it.h

@@ -55,6 +55,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void TIM3_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

FinalHomework/Core/Inc/tim.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    tim.h
+  * @brief   This file contains all the function prototypes for
+  *          the tim.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 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 htim3;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_TIM3_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __TIM_H__ */
+

FinalHomework/Core/Inc/variable.h

@@ -13,6 +13,16 @@ typedef struct {
     uint8_t bTimeOk;                // 秒标志位
 } stSysTickTimer;
 
+typedef struct {
+  uint8_t mSecond;
+  uint8_t mMinute;
+  uint8_t mHour;
+  uint8_t mTimeCount;
+  uint8_t bSecondIsOk;
+  uint8_t mTenMilCount;
+  uint8_t bTenMilIsOk;
+} structTime;
+
 #ifdef __cplusplus
 }
 #endif

FinalHomework/Core/Src/SegLed.c

@@ -0,0 +1,64 @@
+#include "main.h"
+#include "variable.h"
+
+
+
+uint16_t display_tab[] = {
+  0x3f,
+  0x06,
+  0x5b,
+  0x4f,
+  0x66,
+  0x6d,
+  0x7d,
+  0x07,
+  0x7f,
+  0x6f,
+  0x77,
+  0x7c,
+  0x39,
+  0x5e,
+  0x79,
+  0x71,
+  0x40
+};
+uint8_t DispBuff[8];
+uint16_t PosSel = 0;
+
+static void DisplayOneLed(uint8_t dat, uint8_t pos, uint8_t dot) {
+  uint16_t temp;
+
+  temp = display_tab[dat];
+  if (dot)
+    temp |= 0x80;
+  
+  SegLedData_GPIO_Port->ODR &= 0xFF00;
+  SegLedData_GPIO_Port->ODR |= temp; // 段码
+  AddrA_GPIO_Port->ODR &= 0xFFF0;
+  AddrA_GPIO_Port->ODR |= pos; // 位码
+}
+
+void Display(void) {
+  static uint8_t mPos = 0;
+  DisplayOneLed(DispBuff[mPos], mPos, 0);
+  if (++mPos >= 8) mPos = 0;
+}
+
+void TimeToBuff(structTime *nstTime) {
+  DispBuff[0] = nstTime->mHour / 10;
+  DispBuff[1] = nstTime->mHour % 10;
+  DispBuff[2] = 16;
+  DispBuff[3] = nstTime->mMinute / 10;
+  DispBuff[4] = nstTime->mMinute % 10;
+  DispBuff[5] = 16;
+  DispBuff[6] = nstTime->mSecond / 10;
+  DispBuff[7] = nstTime->mSecond % 10;
+}
+
+void DispToBuff(uint8_t val) {
+  uint8_t i;
+  for (int i = 0; i < 7; i++) {
+    DispBuff[i] = DispBuff[i + 1];
+  }
+  DispBuff[7] = val;
+}

FinalHomework/Core/Src/gpio.c

@@ -47,21 +47,37 @@ void MX_GPIO_Init(void)
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOF_CLK_ENABLE();
-  __HAL_RCC_GPIOB_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_GPIOB_CLK_ENABLE();
 
   /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(TickLed_GPIO_Port, TickLed_Pin, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOC, TickLed_Pin|AddrA_Pin|AddrB_Pin|AddrC_Pin
+                          |OE_Pin, GPIO_PIN_RESET);
+
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOA, SegLedData_Pin|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
+                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);
 
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOB, LCD_RST_Pin|LCD_CS_Pin|LCD_RS_Pin, GPIO_PIN_RESET);
 
-  /*Configure GPIO pin : PtPin */
+  /*Configure GPIO pins : PCPin PCPin PCPin PCPin
-  GPIO_InitStruct.Pin = TickLed_Pin;
+                           PCPin */
+  GPIO_InitStruct.Pin = TickLed_Pin|AddrA_Pin|AddrB_Pin|AddrC_Pin
+                          |OE_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_PULLUP;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-  HAL_GPIO_Init(TickLed_GPIO_Port, &GPIO_InitStruct);
+  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : PAPin PA1 PA2 PA3
+                           PA4 PA5 PA6 PA7 */
+  GPIO_InitStruct.Pin = SegLedData_Pin|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
+                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
   /*Configure GPIO pins : PBPin PBPin PBPin */
   GPIO_InitStruct.Pin = LCD_RST_Pin|LCD_CS_Pin|LCD_RS_Pin;

FinalHomework/Core/Src/main.c

@@ -19,6 +19,7 @@
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
 #include "spi.h"
+#include "tim.h"
 #include "gpio.h"
 
 /* Private includes ----------------------------------------------------------*/
@@ -26,6 +27,7 @@
 #include "variable.h"
 #include "lcd.h"
 #include "test.h"
+#include "SegLed.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -49,8 +51,16 @@
 stSysTickTimer sSysTickTimer = {
   0, 0, 0, 0
 };
-uint16_t mSecCount = 0;
+uint8_t tempValue;
-uint16_t bSecondIsOk = 0;
+structTime stTime = {
+  .mSecond = 50,
+  .mMinute = 45,
+  .mHour = 8,
+  .mTimeCount = 0,
+  .bSecondIsOk = 0,
+  .mTenMilCount = 0,
+  .bTenMilIsOk = 0
+};
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
@@ -94,8 +104,11 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_SPI2_Init();
+  MX_TIM3_Init();
   /* USER CODE BEGIN 2 */
   LCD_Init();
+  HAL_TIM_Base_Start_IT(&htim3);
+  TimeToBuff(&stTime);
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -105,15 +118,31 @@ int main(void)
     /* USER CODE END WHILE */
 
     /* USER CODE BEGIN 3 */
-    main_test();
+    if (stTime.bTenMilIsOk) {
-    Test_Color();
+      stTime.bTenMilIsOk = 0;
-    Test_FillRec();
+    }
-    Test_Circle();
+    if (stTime.bSecondIsOk) {
-    Test_Triangle();
+      stTime.bSecondIsOk = 0;
-    English_Font_test();
+      if (++stTime.mSecond >= 60) {
-    Chinese_Font_test();
+        stTime.mSecond = 0;
+        if (++stTime.mMinute >= 60) {
+          stTime.mMinute = 0;
+          if (++stTime.mHour >= 24) {
+            stTime.mHour = 0;
+          }
+        }
+      }
+      TimeToBuff(&stTime);
+    }
+    // main_test();
+    // Test_Color();
+    // Test_FillRec();
+    // Test_Circle();
+    // Test_Triangle();
+    // English_Font_test();
+    // Chinese_Font_test();
     Pic_test();
-    Rotate_Test();
+    // Rotate_Test();
     if (sSysTickTimer.bTimeOk) {
       sSysTickTimer.bTimeOk = 0;
       HAL_GPIO_TogglePin(TickLed_GPIO_Port, TickLed_Pin);

FinalHomework/Core/Src/stm32g4xx_it.c

@@ -56,11 +56,11 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern TIM_HandleTypeDef htim3;
 /* USER CODE BEGIN EV */
 extern stSysTickTimer sSysTickTimer;
-extern uint16_t mSecCount;
+extern structTime stTime;
-extern uint16_t bSecondIsOk;
+extern void Display(void);
 /* USER CODE END EV */
 
 /******************************************************************************/
@@ -190,11 +190,6 @@ void SysTick_Handler(void)
   /* USER CODE END SysTick_IRQn 0 */
   HAL_IncTick();
   /* USER CODE BEGIN SysTick_IRQn 1 */
-  if (++mSecCount >= 100) {
-    mSecCount = 0;
-    bSecondIsOk = 1;
-  }
-
   if (++sSysTickTimer.mMilSecCount >= 10) {
     sSysTickTimer.mMilSecCount = 0;
     sSysTickTimer.bTenMilSecOk = 1;
@@ -213,6 +208,28 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32g4xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles TIM3 global interrupt.
+  */
+void TIM3_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM3_IRQn 0 */
+
+  /* USER CODE END TIM3_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim3);
+  /* USER CODE BEGIN TIM3_IRQn 1 */
+  Display();
+  if (++stTime.mTenMilCount >= 10) {
+    stTime.mTenMilCount = 0;
+    stTime.bTenMilIsOk = 1;
+    if (++stTime.mTimeCount >= 100) {
+      stTime.mTimeCount = 0;
+      stTime.bSecondIsOk = 1;
+    }
+  }
+  /* USER CODE END TIM3_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

FinalHomework/Core/Src/tim.c

@@ -0,0 +1,111 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    tim.c
+  * @brief   This file provides code for the configuration
+  *          of the TIM instances.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 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 htim3;
+
+/* TIM3 init function */
+void MX_TIM3_Init(void)
+{
+
+  /* USER CODE BEGIN TIM3_Init 0 */
+
+  /* USER CODE END TIM3_Init 0 */
+
+  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+  /* USER CODE BEGIN TIM3_Init 1 */
+
+  /* USER CODE END TIM3_Init 1 */
+  htim3.Instance = TIM3;
+  htim3.Init.Prescaler = 170-1;
+  htim3.Init.CounterMode = TIM_COUNTERMODE_CENTERALIGNED1;
+  htim3.Init.Period = 999;
+  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM3_Init 2 */
+
+  /* USER CODE END TIM3_Init 2 */
+
+}
+
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
+{
+
+  if(tim_baseHandle->Instance==TIM3)
+  {
+  /* USER CODE BEGIN TIM3_MspInit 0 */
+
+  /* USER CODE END TIM3_MspInit 0 */
+    /* TIM3 clock enable */
+    __HAL_RCC_TIM3_CLK_ENABLE();
+
+    /* TIM3 interrupt Init */
+    HAL_NVIC_SetPriority(TIM3_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(TIM3_IRQn);
+  /* USER CODE BEGIN TIM3_MspInit 1 */
+
+  /* USER CODE END TIM3_MspInit 1 */
+  }
+}
+
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
+{
+
+  if(tim_baseHandle->Instance==TIM3)
+  {
+  /* USER CODE BEGIN TIM3_MspDeInit 0 */
+
+  /* USER CODE END TIM3_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM3_CLK_DISABLE();
+
+    /* TIM3 interrupt Deinit */
+    HAL_NVIC_DisableIRQ(TIM3_IRQn);
+  /* USER CODE BEGIN TIM3_MspDeInit 1 */
+
+  /* USER CODE END TIM3_MspDeInit 1 */
+  }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */

FinalHomework/FinalHomework.ioc

@@ -11,22 +11,36 @@ Mcu.IP0=NVIC
 Mcu.IP1=RCC
 Mcu.IP2=SPI2
 Mcu.IP3=SYS
-Mcu.IPNb=4
+Mcu.IP4=TIM3
+Mcu.IPNb=5
 Mcu.Name=STM32G473R(B-C-E)Tx
 Mcu.Package=LQFP64
 Mcu.Pin0=PC13
 Mcu.Pin1=PF0-OSC_IN
-Mcu.Pin10=VP_SYS_VS_Systick
+Mcu.Pin10=PA3
-Mcu.Pin11=VP_SYS_VS_DBSignals
+Mcu.Pin11=PA4
+Mcu.Pin12=PA5
+Mcu.Pin13=PA6
+Mcu.Pin14=PA7
+Mcu.Pin15=PB11
+Mcu.Pin16=PB12
+Mcu.Pin17=PB13
+Mcu.Pin18=PB14
+Mcu.Pin19=PB15
 Mcu.Pin2=PF1-OSC_OUT
-Mcu.Pin3=PB11
+Mcu.Pin20=PA13
-Mcu.Pin4=PB12
+Mcu.Pin21=PA14
-Mcu.Pin5=PB13
+Mcu.Pin22=VP_SYS_VS_Systick
-Mcu.Pin6=PB14
+Mcu.Pin23=VP_SYS_VS_DBSignals
-Mcu.Pin7=PB15
+Mcu.Pin24=VP_TIM3_VS_ClockSourceINT
-Mcu.Pin8=PA13
+Mcu.Pin3=PC0
-Mcu.Pin9=PA14
+Mcu.Pin4=PC1
-Mcu.PinsNb=12
+Mcu.Pin5=PC2
+Mcu.Pin6=PC3
+Mcu.Pin7=PA0
+Mcu.Pin8=PA1
+Mcu.Pin9=PA2
+Mcu.PinsNb=25
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32G473RCTx
@@ -42,11 +56,53 @@ NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
+NVIC.TIM3_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
+PA0.GPIOParameters=PinState,GPIO_PuPd,GPIO_Label
+PA0.GPIO_Label=SegLedData
+PA0.GPIO_PuPd=GPIO_PULLUP
+PA0.Locked=true
+PA0.PinState=GPIO_PIN_SET
+PA0.Signal=GPIO_Output
+PA1.GPIOParameters=PinState,GPIO_PuPd
+PA1.GPIO_PuPd=GPIO_PULLUP
+PA1.Locked=true
+PA1.PinState=GPIO_PIN_SET
+PA1.Signal=GPIO_Output
 PA13.Mode=Serial_Wire
 PA13.Signal=SYS_JTMS-SWDIO
 PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
+PA2.GPIOParameters=PinState,GPIO_PuPd
+PA2.GPIO_PuPd=GPIO_PULLUP
+PA2.Locked=true
+PA2.PinState=GPIO_PIN_SET
+PA2.Signal=GPIO_Output
+PA3.GPIOParameters=PinState,GPIO_PuPd
+PA3.GPIO_PuPd=GPIO_PULLUP
+PA3.Locked=true
+PA3.PinState=GPIO_PIN_SET
+PA3.Signal=GPIO_Output
+PA4.GPIOParameters=PinState,GPIO_PuPd
+PA4.GPIO_PuPd=GPIO_PULLUP
+PA4.Locked=true
+PA4.PinState=GPIO_PIN_SET
+PA4.Signal=GPIO_Output
+PA5.GPIOParameters=PinState,GPIO_PuPd
+PA5.GPIO_PuPd=GPIO_PULLUP
+PA5.Locked=true
+PA5.PinState=GPIO_PIN_SET
+PA5.Signal=GPIO_Output
+PA6.GPIOParameters=PinState,GPIO_PuPd
+PA6.GPIO_PuPd=GPIO_PULLUP
+PA6.Locked=true
+PA6.PinState=GPIO_PIN_SET
+PA6.Signal=GPIO_Output
+PA7.GPIOParameters=PinState,GPIO_PuPd
+PA7.GPIO_PuPd=GPIO_PULLUP
+PA7.Locked=true
+PA7.PinState=GPIO_PIN_SET
+PA7.Signal=GPIO_Output
 PB11.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label
 PB11.GPIO_Label=LCD_RST
 PB11.GPIO_PuPd=GPIO_PULLUP
@@ -69,11 +125,31 @@ PB14.Locked=true
 PB14.Signal=GPIO_Output
 PB15.Mode=TX_Only_Simplex_Unidirect_Master
 PB15.Signal=SPI2_MOSI
+PC0.GPIOParameters=GPIO_PuPd,GPIO_Label
+PC0.GPIO_Label=AddrA
+PC0.GPIO_PuPd=GPIO_PULLUP
+PC0.Locked=true
+PC0.Signal=GPIO_Output
+PC1.GPIOParameters=GPIO_PuPd,GPIO_Label
+PC1.GPIO_Label=AddrB
+PC1.GPIO_PuPd=GPIO_PULLUP
+PC1.Locked=true
+PC1.Signal=GPIO_Output
 PC13.GPIOParameters=GPIO_PuPd,GPIO_Label
 PC13.GPIO_Label=TickLed
 PC13.GPIO_PuPd=GPIO_PULLUP
 PC13.Locked=true
 PC13.Signal=GPIO_Output
+PC2.GPIOParameters=GPIO_PuPd,GPIO_Label
+PC2.GPIO_Label=AddrC
+PC2.GPIO_PuPd=GPIO_PULLUP
+PC2.Locked=true
+PC2.Signal=GPIO_Output
+PC3.GPIOParameters=GPIO_PuPd,GPIO_Label
+PC3.GPIO_Label=OE
+PC3.GPIO_PuPd=GPIO_PULLUP
+PC3.Locked=true
+PC3.Signal=GPIO_Output
 PF0-OSC_IN.Mode=HSE-External-Oscillator
 PF0-OSC_IN.Signal=RCC_OSC_IN
 PF1-OSC_OUT.Mode=HSE-External-Oscillator
@@ -167,8 +243,14 @@ SPI2.Direction=SPI_DIRECTION_2LINES
 SPI2.IPParameters=VirtualType,Mode,Direction,BaudRatePrescaler,CalculateBaudRate,DataSize
 SPI2.Mode=SPI_MODE_MASTER
 SPI2.VirtualType=VM_MASTER
+TIM3.CounterMode=TIM_COUNTERMODE_CENTERALIGNED1
+TIM3.IPParameters=Prescaler,CounterMode,PeriodNoDither
+TIM3.PeriodNoDither=1000-1
+TIM3.Prescaler=170-1
 VP_SYS_VS_DBSignals.Mode=DisableDeadBatterySignals
 VP_SYS_VS_DBSignals.Signal=SYS_VS_DBSignals
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+VP_TIM3_VS_ClockSourceINT.Mode=Internal
+VP_TIM3_VS_ClockSourceINT.Signal=TIM3_VS_ClockSourceINT
 board=custom

FinalHomework/MDK-ARM/FinalHomework.uvprojx

@@ -453,6 +453,62 @@
               <FileType>1</FileType>
               <FilePath>../Core/Src/spi.c</FilePath>
             </File>
+            <File>
+              <FileName>tim.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>../Core/Src/tim.c</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>1</IncludeInBuild>
+                  <AlwaysBuild>2</AlwaysBuild>
+                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
+                  <PublicsOnly>2</PublicsOnly>
+                  <StopOnExitCode>11</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                  <ComprImg>1</ComprImg>
+                </CommonProperty>
+                <FileArmAds>
+                  <Cads>
+                    <interw>2</interw>
+                    <Optim>0</Optim>
+                    <oTime>2</oTime>
+                    <SplitLS>2</SplitLS>
+                    <OneElfS>2</OneElfS>
+                    <Strict>2</Strict>
+                    <EnumInt>2</EnumInt>
+                    <PlainCh>2</PlainCh>
+                    <Ropi>2</Ropi>
+                    <Rwpi>2</Rwpi>
+                    <wLevel>0</wLevel>
+                    <uThumb>2</uThumb>
+                    <uSurpInc>2</uSurpInc>
+                    <uC99>2</uC99>
+                    <uGnu>2</uGnu>
+                    <useXO>2</useXO>
+                    <v6Lang>0</v6Lang>
+                    <v6LangP>0</v6LangP>
+                    <vShortEn>2</vShortEn>
+                    <vShortWch>2</vShortWch>
+                    <v6Lto>2</v6Lto>
+                    <v6WtE>2</v6WtE>
+                    <v6Rtti>2</v6Rtti>
+                    <VariousControls>
+                      <MiscControls></MiscControls>
+                      <Define></Define>
+                      <Undefine></Undefine>
+                      <IncludePath></IncludePath>
+                    </VariousControls>
+                  </Cads>
+                </FileArmAds>
+              </FileOption>
+            </File>
             <File>
               <FileName>stm32g4xx_it.c</FileName>
               <FileType>1</FileType>
@@ -463,6 +519,16 @@
               <FileType>1</FileType>
               <FilePath>../Core/Src/stm32g4xx_hal_msp.c</FilePath>
             </File>
+            <File>
+              <FileName>SegLed.h</FileName>
+              <FileType>5</FileType>
+              <FilePath>..\Core\Inc\SegLed.h</FilePath>
+            </File>
+            <File>
+              <FileName>SegLed.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\Core\Src\SegLed.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>