期末大作业-增加矩阵LED

FinalHomework/Core/Src/HC595.c

@@ -0,0 +1,82 @@
+#include "main.h"
+#include "Hanzi.h"
+
+#define HC595_PORT GPIOC
+
+//GPIO置位（拉高）
+#define OE_SET		HC595_PORT->BSRR=HC595_OE_Pin 		
+#define	RCLK_SET  	HC595_PORT->BSRR=HC595_RCLK_Pin    	
+#define	SRCLK_SET	HC595_PORT->BSRR=HC595_SRCLK_Pin  		  
+#define	SER_SET		HC595_PORT->BSRR=HC595_SER_Pin   		
+
+//GPIO复位（拉低）	
+#define OE_CLR		HC595_PORT->BRR=HC595_OE_Pin 
+#define	RCLK_CLR  	HC595_PORT->BRR=HC595_RCLK_Pin     
+#define	SRCLK_CLR	HC595_PORT->BRR=HC595_SRCLK_Pin     	 
+#define	SER_CLR		HC595_PORT->BRR=HC595_SER_Pin    
+
+#define LATCH595	 	{RCLK_CLR;RCLK_SET;RCLK_CLR;}
+
+extern uint8_t mPos;
+extern uint8_t mNum;
+
+void SendOneByte(uint8_t dat)
+{ 	
+	uint8_t i; 
+	OE_CLR;
+	for(i=0;i<8;i++)
+	{  
+		if((dat&0x80))	   
+			SER_SET;
+		else
+			SER_CLR;
+		dat <<= 1;		
+		SRCLK_CLR;//SRCLK=0;
+		SRCLK_SET;//	SRCLK=1;
+   }         
+}
+
+/*******************************************************
+SendTwoBytes(uint16_t dat,bit dir)
+函数功能：向HC595芯片发送两个字节
+入口参数：dat：发送数据，dir：1:先发高位;0:先发低位
+返回参数：无
+********************************************************/
+void SendTwoBytes(uint16_t dat)
+{  
+	
+	uint8_t i; 
+	OE_CLR;
+	for(i=0;i<16;i++)
+	{  		
+		if((dat &0x8000))	   
+			SER_SET;
+		else
+			SER_CLR;
+		dat <<= 1;	
+		
+		SRCLK_CLR;//SRCLK=0;
+		SRCLK_SET;//	SRCLK=1;
+   }         
+}
+
+
+/*******************************************************
+//函数名称：HanziDiplay()
+//函数功能：静态显示一个汉字
+//入口参数：无
+//返回参数：无
+********************************************************/
+void HanziDiplay(void)
+{
+	uint16_t temp;	
+	SendTwoBytes(ScanTab[mPos]);
+	temp=HanziTab[2*mPos+1+32*mNum];
+	temp=(temp<<8)|HanziTab[2*mPos+32*mNum];
+	SendTwoBytes(temp);
+	LATCH595;
+	if(++mPos>=16)
+	{
+		mPos=0;
+	}
+}

FinalHomework/Core/Src/gpio.c

@@ -52,7 +52,8 @@ void MX_GPIO_Init(void)
 
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOC, TickLed_Pin|AddrA_Pin|AddrB_Pin|AddrC_Pin
-                          |OE_Pin, GPIO_PIN_RESET);
+                          |OE_Pin|HC595_OE_Pin|HC595_RCLK_Pin|HC595_SRCLK_Pin
+                          |HC595_SER_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOA, SegLedData_Pin|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
@@ -94,30 +95,13 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
-  /*Configure GPIO pin : PC6 */
-  GPIO_InitStruct.Pin = GPIO_PIN_6;
-  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-
-  /*Configure GPIO pins : PC7 PC8 PC9 */
-  GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
-  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  /*Configure GPIO pins : PCPin PCPin PCPin PCPin */
+  GPIO_InitStruct.Pin = HC595_OE_Pin|HC595_RCLK_Pin|HC595_SRCLK_Pin|HC595_SER_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_PULLUP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
 
-  /*Configure GPIO pin : PA8 */
-  GPIO_InitStruct.Pin = GPIO_PIN_8;
-  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-
-  /*Configure GPIO pins : PA9 PA10 PA11 */
-  GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11;
-  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
-  GPIO_InitStruct.Pull = GPIO_PULLUP;
-  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-
 }
 
 /* USER CODE BEGIN 2 */

FinalHomework/Core/Src/main.c

@@ -49,6 +49,10 @@
 /* Private variables ---------------------------------------------------------*/
 
 /* USER CODE BEGIN PV */
+uint16_t mPos=0;
+
+uint16_t mNum=0;
+
 stSysTickTimer sSysTickTimer = {
   0, 0, 0, 0
 };
@@ -84,6 +88,7 @@ int main(void)
 
   /* USER CODE BEGIN 1 */
   uint8_t KeyValue = 0;
+	uint16_t cnt = 0;
   /* USER CODE END 1 */
 
   /* MCU Configuration--------------------------------------------------------*/
@@ -121,6 +126,12 @@ int main(void)
     /* USER CODE BEGIN 3 */
     if (sSysTickTimer.bTenMilSecOk) {
       sSysTickTimer.bTenMilSecOk = 0;
+			if(++cnt>=30)
+			{
+				cnt=0;
+				if(++mNum>=6)
+					mNum=0;	
+			}
       KeyValue = MatrixKeyScan();
       if (KeyValue != NO_KEY) {
         for (int i = 0; i < 16; i++) {

FinalHomework/Core/Src/stm32g4xx_it.c

@@ -23,6 +23,7 @@
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 #include "variable.h"
+#include "hc595.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -190,6 +191,7 @@ void SysTick_Handler(void)
   /* USER CODE END SysTick_IRQn 0 */
   HAL_IncTick();
   /* USER CODE BEGIN SysTick_IRQn 1 */
+  HanziDiplay();
   if (++sSysTickTimer.mMilSecCount >= 10) {
     sSysTickTimer.mMilSecCount = 0;
     sSysTickTimer.bTenMilSecOk = 1;