期末大作业-增加了显示时间、设置时间的功能，已基本完成功能。

设置时间的功能使用Cursor生成。

为了减少误差，专门调整了时钟周期。

FinalHomework/Core/Inc/variable.h

@@ -11,6 +11,8 @@ typedef struct {
     uint8_t bTenMilSecOk;           // 10毫秒标志位
     uint8_t mTimeCount;             // 秒计数
     uint8_t bTimeOk;                // 秒标志位
+    uint8_t mHundredMilSecCount;    // 百微秒计数
+    uint8_t bHundredMilSecOk;       // 百微秒标志位
 } stSysTickTimer;
 
 typedef struct {
@@ -23,6 +25,16 @@ typedef struct {
   uint8_t bTenMilIsOk;
 } structTime;
 
+typedef enum {
+    SET_HOUR_TENS,    // 小时十位
+    SET_HOUR_ONES,    // 小时个位
+    SET_MIN_TENS,     // 分钟十位
+    SET_MIN_ONES,     // 分钟个位
+    SET_SEC_TENS,     // 秒十位
+    SET_SEC_ONES,     // 秒个位
+    SET_DONE          // 设置完成
+} TIME_STATE;
+
 #ifdef __cplusplus
 }
 #endif

FinalHomework/Core/Src/SegLed.c

@@ -1,7 +1,9 @@
 #include "main.h"
 #include "variable.h"
 
-
+extern uint8_t is_setting_time;
+extern TIME_STATE set_time_state;
+extern uint8_t show_digit;
 
 uint16_t display_tab[] = {
   0x3f,
@@ -20,7 +22,8 @@ uint16_t display_tab[] = {
   0x5e,
   0x79,
   0x71,
-  0x40
+  0x40,
+  0x00
 };
 uint8_t DispBuff[8];
 uint16_t PosSel = 0;
@@ -28,6 +31,31 @@ uint16_t PosSel = 0;
 static void DisplayOneLed(uint8_t dat, uint8_t pos, uint8_t dot) {
   uint16_t temp;
 
+  if (is_setting_time && !show_digit) {
+    switch (set_time_state) {
+      case SET_HOUR_TENS:
+        if (pos == 0) dat = 17;
+        break;
+      case SET_HOUR_ONES:
+        if (pos == 1) dat = 17;
+        break;
+      case SET_MIN_TENS:
+        if (pos == 3) dat = 17;
+        break;
+      case SET_MIN_ONES:
+        if (pos == 4) dat = 17;
+        break;
+      case SET_SEC_TENS:
+        if (pos == 6) dat = 17;
+        break;
+      case SET_SEC_ONES:
+        if (pos == 7) dat = 17;
+        break;
+      default:
+        break;
+    }
+  }
+
   temp = display_tab[dat];
   if (dot)
     temp |= 0x80;

FinalHomework/Core/Src/main.c

@@ -30,6 +30,7 @@
 #include "SegLed.h"
 #include "MatrixKey.h"
 #include "gui.h"
+#include <stdio.h>
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -57,7 +58,7 @@ uint16_t mNum=15;
 stSysTickTimer sSysTickTimer = {
   0, 0, 0, 0
 };
-uint8_t tempValue;
+uint8_t tempValue = 255;
 structTime stTime = {
   .mSecond = 50,
   .mMinute = 45,
@@ -69,8 +70,20 @@ structTime stTime = {
 };
 uint8_t KeyValue = 0;
 
+extern uint8_t is_setting_time;
+extern TIME_STATE set_time_state;
+extern uint32_t blink_counter;
+extern uint8_t show_digit;
+
+enum picture_index {
+  NEURO_SAMA_SMALL,
+  EVIL_NEURO_SMALL
+} pic_index = 0;
+
 extern const unsigned char gImage_qq[3200];
 extern const unsigned char gImage_Neuro_Sama[40704];
+extern const unsigned char gImage_Neuro_Sama_small[10112];
+extern const unsigned char gImage_Evil_Neuro_small[10240];
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
@@ -81,30 +94,57 @@ void SystemClock_Config(void);
 
 /* Private user code ---------------------------------------------------------*/
 /* USER CODE BEGIN 0 */
-void Gui_Drawbmp_full(uint16_t x,uint16_t y,const unsigned char *p) //显示159*128 图片
+void Gui_Drawbmp_full(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const unsigned char *p)
 {
   int i;
 	unsigned char picH,picL;
-	LCD_SetWindows(x,y,x+159-1,y+128-1);//窗口设置
+	LCD_SetWindows(x,y,x+width-1,y+height-1);
-  for(i=0;i<159*128;i++)
+  for(i=0;i<width*height;i++)
 	{	
-	 	picL=*(p+i*2);	//数据低位在前
+	 	picL=*(p+i*2);
 		picH=*(p+i*2+1);				
 		Lcd_WriteData_16Bit(picH<<8|picL);  						
 	}	
-	LCD_SetWindows(0,0,lcddev.width-1,lcddev.height-1);//恢复显示窗口为全屏	
+	LCD_SetWindows(0,0,lcddev.width-1,lcddev.height-1);
 }
-void my_test(void)
+void my_init(void) {
-{
 	LCD_direction(1);
-  // LCD_Clear(WHITE);
+	Gui_Drawbmp_full(0,0,159,128,gImage_Neuro_Sama);
-	// DrawTestPage("图片显示测试");
-	//LCD_Fill(0,20,lcddev.width,lcddev.height-20,WHITE);
-	Gui_Drawbmp_full(0,0,gImage_Neuro_Sama);
-	// Show_Str(20+12,75,BLUE,YELLOW,"QQ",16,1);
-	// Gui_Drawbmp16(70,30,gImage_qq);
-	// Show_Str(70+12,75,BLUE,YELLOW,"QQ",16,1);
 	HAL_Delay(1200);
+  LCD_Clear(WHITE);
+}
+void refresh_picture() {
+  switch (pic_index) {
+    case NEURO_SAMA_SMALL:
+      Gui_Drawbmp_full(40,50,79,64,gImage_Neuro_Sama_small);
+      break;
+    case EVIL_NEURO_SMALL:
+      Gui_Drawbmp_full(40,50,80,64,gImage_Evil_Neuro_small);
+      break;
+    default:
+      break;
+  }
+  pic_index = (pic_index + 1) % 2;
+}
+void my_show_time(void) {
+    char timeStr[20];
+    sprintf(timeStr, "%02d:%02d:%02d", stTime.mHour, stTime.mMinute, stTime.mSecond);
+    
+    if (is_setting_time && show_digit) {
+        // 在设置模式下，根据当前设置的位置显示闪烁
+        char mask[6] = {':', ':', '\0'};  // 用于保持冒号显示
+        switch (set_time_state) {
+            case SET_HOUR_TENS:  timeStr[0] = ' '; break;
+            case SET_HOUR_ONES:  timeStr[1] = ' '; break;
+            case SET_MIN_TENS:   timeStr[3] = ' '; break;
+            case SET_MIN_ONES:   timeStr[4] = ' '; break;
+            case SET_SEC_TENS:   timeStr[6] = ' '; break;
+            case SET_SEC_ONES:   timeStr[7] = ' '; break;
+            case SET_DONE:                         break;
+        }
+    }
+    
+    Show_Str(50, 10, BLUE, YELLOW, timeStr, 16, 0);
 }
 /* USER CODE END 0 */
 
@@ -143,6 +183,8 @@ int main(void)
   HAL_TIM_Base_Start_IT(&htim3);
   TimeToBuff(&stTime);
   LCD_Init();
+  my_init();
+  refresh_picture();
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -167,10 +209,17 @@ int main(void)
     // Chinese_Font_test();
     // Pic_test();
     // Rotate_Test();
+    if (sSysTickTimer.bHundredMilSecOk) {
+      sSysTickTimer.bHundredMilSecOk = 0;
+      my_show_time();
+    }
     if (sSysTickTimer.bTimeOk) {
       sSysTickTimer.bTimeOk = 0;
       HAL_GPIO_TogglePin(TickLed_GPIO_Port, TickLed_Pin);
-      my_test();
+    }
+    if (tempValue == 10) {
+      refresh_picture();
+      tempValue = 255;
     } 
   }
   /* USER CODE END 3 */

FinalHomework/Core/Src/stm32g4xx_it.c

@@ -46,6 +46,14 @@
 /* Private variables ---------------------------------------------------------*/
 /* USER CODE BEGIN PV */
 
+TIME_STATE set_time_state = SET_DONE;
+
+uint8_t is_setting_time = 0;    // 是否在设置时间模式
+uint32_t blink_counter = 0;     // 用于闪烁效果的计数器
+uint8_t show_digit = 1;         // 用于闪烁效果
+
+extern uint8_t tempValue;
+extern structTime stTime;
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
@@ -56,6 +64,63 @@
 /* Private user code ---------------------------------------------------------*/
 /* USER CODE BEGIN 0 */
 
+void process_time_setting() {
+    if (tempValue == 11) {  // 按键11用于进入/退出设置模式
+        if (!is_setting_time) {
+            is_setting_time = 1;
+            set_time_state = SET_HOUR_TENS;
+            show_digit = 1;
+            blink_counter = 0;
+        } else {
+            is_setting_time = 0;
+            set_time_state = SET_DONE;
+        }
+        tempValue = 255;
+        return;
+    }
+
+    if (!is_setting_time || tempValue > 9) return;  // 只处理0-9的按键输入
+
+    switch (set_time_state) {
+        case SET_HOUR_TENS:
+            if (tempValue > 2) tempValue = 2;  // 限制小时十位最大为2
+            stTime.mHour = tempValue * 10;
+            set_time_state = SET_HOUR_ONES;
+            break;
+            
+        case SET_HOUR_ONES:
+            if (stTime.mHour == 20 && tempValue > 3) tempValue = 3;  // 如果十位是2，个位最大为3
+            stTime.mHour = (stTime.mHour / 10) * 10 + tempValue;
+            set_time_state = SET_MIN_TENS;
+            break;
+            
+        case SET_MIN_TENS:
+            if (tempValue > 5) tempValue = 5;  // 限制分钟十位最大为5
+            stTime.mMinute = tempValue * 10;
+            set_time_state = SET_MIN_ONES;
+            break;
+            
+        case SET_MIN_ONES:
+            stTime.mMinute = (stTime.mMinute / 10) * 10 + tempValue;
+            set_time_state = SET_SEC_TENS;
+            break;
+            
+        case SET_SEC_TENS:
+            if (tempValue > 5) tempValue = 5;  // 限制秒十位最大为5
+            stTime.mSecond = tempValue * 10;
+            set_time_state = SET_SEC_ONES;
+            break;
+            
+        case SET_SEC_ONES:
+            stTime.mSecond = (stTime.mSecond / 10) * 10 + tempValue;
+            is_setting_time = 0;
+            set_time_state = SET_DONE;
+            break;
+
+        case SET_DONE:
+            break;
+        }
+}
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
@@ -207,17 +272,26 @@ void SysTick_Handler(void)
       for (int i = 0; i < 16; i++) {
         if (KeyValue == KeyTable[i]) {
           tempValue = i;
+          break;
         }
       }
-      DispToBuff(tempValue);
+      process_time_setting();
+      // DispToBuff(tempValue);
     }
-    if (++sSysTickTimer.mTimeCount >= 100) {
+    if (++sSysTickTimer.mHundredMilSecCount >= 10) {
+      sSysTickTimer.mHundredMilSecCount = 0;
+      sSysTickTimer.bHundredMilSecOk = 1;
+      if (is_setting_time) {
+        show_digit = !show_digit;
+      }
+      if (++sSysTickTimer.mTimeCount >= 10) {
         sSysTickTimer.mTimeCount = 0;
         sSysTickTimer.bTimeOk = 1;
         if(++mNum>=19)
           mNum=15;	
       }
     }
+  }
   /* USER CODE END SysTick_IRQn 1 */
 }
 

FinalHomework/Core/Src/tim.c

@@ -43,7 +43,7 @@ void MX_TIM3_Init(void)
   htim3.Instance = TIM3;
   htim3.Init.Prescaler = 170-1;
   htim3.Init.CounterMode = TIM_COUNTERMODE_CENTERALIGNED1;
-  htim3.Init.Period = 999;
+  htim3.Init.Period = 1015;
   htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
   htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
   if (HAL_TIM_Base_Init(&htim3) != HAL_OK)

FinalHomework/FinalHomework.ioc

@@ -315,7 +315,7 @@ SPI2.Mode=SPI_MODE_MASTER
 SPI2.VirtualType=VM_MASTER
 TIM3.CounterMode=TIM_COUNTERMODE_CENTERALIGNED1
 TIM3.IPParameters=Prescaler,CounterMode,PeriodNoDither
-TIM3.PeriodNoDither=1000-1
+TIM3.PeriodNoDither=1016-1
 TIM3.Prescaler=170-1
 VP_SYS_VS_DBSignals.Mode=DisableDeadBatterySignals
 VP_SYS_VS_DBSignals.Signal=SYS_VS_DBSignals