STM32單片機學習(10) 數(shù)碼管輸出實驗補 靜態(tài)(共陽)+動態(tài)(共陰)

參考手冊、電路圖等參見STM32單片機學習(1) 總記 學習資料+參考手冊+LED燈

靜態(tài)數(shù)碼管實驗

/**	* 軟件功能:	 靜態(tài)數(shù)碼管實驗（軟件延時方式）* */#include "stm32f10x.h"#include "delay.h"void RCC_Configuration(void);void GPIO_Configuration(void);u8  Count=0;// 此表為 LED 的字模  0-f,"."          unsigned char LED7Code[] = {~0x3F,~0x06,~0x5B,~0x4F,~0x66,~0x6D,~0x7D,~0x07,~0x7F,~0x6F,~0x77,~0x7C,~0x39,~0x5E,~0x79,~0x71,~0x80};/*函數(shù): int main(void)功能: main主函數(shù)參數(shù): 無返回: 無/int main(void){RCC_Configuration();GPIO_Configuration();delay_init(72);while(1){GPIO_Write(GPIOB,LED7Code[Count%17]<<8); //將Count數(shù)據(jù)送到GPIOB高八位Count++;delay_ms(500);//延時}   }/*函數(shù): void RCC_Configuration(void)功能: 復位和時鐘控制 配置參數(shù): 無返回: 無/void RCC_Configuration(void){ErrorStatus HSEStartUpStatus;                    //定義外部高速晶體啟動狀態(tài)枚舉變量RCC_DeInit();                                    //復位RCC外部設備寄存器到默認值RCC_HSEConfig(RCC_HSE_ON);                       //打開外部高速晶振HSEStartUpStatus = RCC_WaitForHSEStartUp();      //等待外部高速時鐘準備好if(HSEStartUpStatus == SUCCESS)                  //外部高速時鐘已經(jīng)準別好{FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); //開啟FLASH預讀緩沖功能，加速FLASH的讀取。所有程序中必須的用法.位置：RCC初始化子函數(shù)里面，時鐘起振之后FLASH_SetLatency(FLASH_Latency_2);                    //flash操作的延時RCC_HCLKConfig(RCC_SYSCLK_Div1);               //配置AHB(HCLK)時鐘等于==SYSCLKRCC_PCLK2Config(RCC_HCLK_Div1);                //配置APB2(PCLK2)鐘==AHB時鐘RCC_PCLK1Config(RCC_HCLK_Div2);                //配置APB1(PCLK1)鐘==AHB1/2時鐘RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);  //配置PLL時鐘 == 外部高速晶體時鐘 * 9 = 72MHzRCC_PLLCmd(ENABLE);                                   //使能PLL時鐘while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)    //等待PLL時鐘就緒{}RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);            //配置系統(tǒng)時鐘 = PLL時鐘while(RCC_GetSYSCLKSource() != 0x08)                  //檢查PLL時鐘是否作為系統(tǒng)時鐘{}}RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);  //允許 GPIOB、AFIO時鐘}/*函數(shù): void GPIO_Configuration(void）功能: GPIO配置參數(shù): 無返回: 無/void GPIO_Configuration(void){GPIO_InitTypeDef GPIO_InitStructure;        //定義GPIO初始化結構體GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOB, &GPIO_InitStructure); 	   //PB用于輸出控制LED燈}

動態(tài)數(shù)碼管實驗(74LS138譯碼器)

/**	* 軟件功能:	動態(tài)數(shù)碼管實驗（軟件延時方式）* */#include "stm32f10x.h"#include "delay.h"/硬件接口定義*/#define    LS138A  GPIO_Pin_0 //=P2^7;       //138譯碼器管腳定義#define    LS138B  GPIO_Pin_1 //=P2^6;#define    LS138C  GPIO_Pin_2 //=P2^5; /宏定義*/#define    LS138a(x)  x ? GPIO_SetBits(GPIOB, LS138A): GPIO_ResetBits(GPIOB, LS138A)#define    LS138b(x)  x ? GPIO_SetBits(GPIOB, LS138B): GPIO_ResetBits(GPIOB, LS138B)#define    LS138c(x)  x ? GPIO_SetBits(GPIOB, LS138C): GPIO_ResetBits(GPIOB, LS138C)u8 i=0,j;//此表為 LED 的字模, 共陰數(shù)碼管 0-9 小數(shù)點 不顯示  "0." 0x3F|0x80unsigned char  Digit[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x80,0x00};void RCC_Configuration(void);void GPIO_Configuration(void);/*函數(shù): int main(void)功能: main主函數(shù)參數(shù): 無返回: 無/int main(void){RCC_Configuration();GPIO_Configuration();delay_init(72);while(1){for(i=0; i<8; i++) {			 	 	  	 switch(i)					  {	    	  //138譯碼case 0:	  //0 0 0 LS138a(0);	 LS138b(0);  LS138c(0);GPIO_Write(GPIOA,0x00);break;         case 1:	 //1 0 0 		  CBA 001LS138a(1);	 LS138b(0);  LS138c(0);GPIO_Write(GPIOA,Digit[i]);break;             	case 2:	 //0 1 0LS138a(0);	 LS138b(1);  LS138c(0);GPIO_Write(GPIOA,Digit[10]); //小數(shù)點 break; case 3:	 //1 1 0   //注意是倒過來的  CBA 011LS138a(1);	 LS138b(1);  LS138c(0);GPIO_Write(GPIOA,Digit[i]);break;case 4:	 //0 0 1LS138a(0);	 LS138b(0);  LS138c(1); GPIO_Write(GPIOA,Digit[i]);break; case 5:	 //1 0 1LS138a(1);	 LS138b(0);  LS138c(1);GPIO_Write(GPIOA,Digit[i]);break; case 6:	 //0 1 1LS138a(0);	 LS138b(1);  LS138c(1);GPIO_Write(GPIOA,Digit[i]);break;case 7:	 //1 1 1LS138a(1);	 LS138b(1);  LS138c(1);GPIO_Write(GPIOA,Digit[i]|0x80);  //數(shù)字附帶小數(shù)點break;	 }delay_us(10); GPIO_Write(GPIOA,0x00);  //不顯示} }   }/*函數(shù): void RCC_Configuration(void)功能: 復位和時鐘控制 配置參數(shù): 無返回: 無/void RCC_Configuration(void){ErrorStatus HSEStartUpStatus;                    //定義外部高速晶體啟動狀態(tài)枚舉變量RCC_DeInit();                                    //復位RCC外部設備寄存器到默認值RCC_HSEConfig(RCC_HSE_ON);                       //打開外部高速晶振HSEStartUpStatus = RCC_WaitForHSEStartUp();      //等待外部高速時鐘準備好if(HSEStartUpStatus == SUCCESS)                  //外部高速時鐘已經(jīng)準別好{FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); //開啟FLASH預讀緩沖功能，加速FLASH的讀取。所有程序中必須的用法.位置：RCC初始化子函數(shù)里面，時鐘起振之后FLASH_SetLatency(FLASH_Latency_2);                    //flash操作的延時RCC_HCLKConfig(RCC_SYSCLK_Div1);               //配置AHB(HCLK)時鐘等于==SYSCLKRCC_PCLK2Config(RCC_HCLK_Div1);                //配置APB2(PCLK2)鐘==AHB時鐘RCC_PCLK1Config(RCC_HCLK_Div2);                //配置APB1(PCLK1)鐘==AHB1/2時鐘RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);  //配置PLL時鐘 == 外部高速晶體時鐘 * 9 = 72MHzRCC_PLLCmd(ENABLE);                                   //使能PLL時鐘while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)    //等待PLL時鐘就緒{}RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);            //配置系統(tǒng)時鐘 = PLL時鐘while(RCC_GetSYSCLKSource() != 0x08)                  //檢查PLL時鐘是否作為系統(tǒng)時鐘{}}RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);  //允許 GPIOA GPIOB、AFIO時鐘}/*函數(shù): void GPIO_Configuration(void）功能: GPIO配置參數(shù): 無返回: 無/void GPIO_Configuration(void){GPIO_InitTypeDef GPIO_InitStructure;        //定義GPIO初始化結構體GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); 	   //PA用于輸出控制數(shù)碼管GPIO_Init(GPIOB, &GPIO_InitStructure); 	   //PB用于輸出控制138譯碼器}