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/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
GPIO_InitTypeDef GPIO_InitStructure;
void RCC_Configuration(void)//RCC时钟配置函数
{
RCC_DeInit();
RCC_HSICmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
RCC_HSEConfig(RCC_HSE_OFF);
RCC_LSEConfig(RCC_LSE_OFF);
RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
RCC_ADCCLKConfig(RCC_PCLK2_Div4);
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while(RCC_GetSYSCLKSource() != 0x08);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_ResetBits(GPIOD,GPIO_Pin_2);//关掉蜂鸣器
}
void GPIO_INIT()
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void delay_us(u32 n)//声明延时函数
{
u8 j;
while(n--)
for(j=0;j<10;j++);
}
void delay_ms(u32 n)
{
while(n--)
delay_us(1000);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
RCC_Configuration();
GPIO_INIT();
GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);//开始运行时RGB灭
GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);//开始运行时LED全灭
while(1){
GPIO_ResetBits(GPIOC,GPIO_Pin_3);//D4亮
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_3);//D4灭
delay_ms(80);
GPIO_ResetBits(GPIOC,GPIO_Pin_2);//D3亮
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_2);//D3灭
delay_ms(80);
GPIO_ResetBits(GPIOC,GPIO_Pin_1);
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_1);
delay_ms(80);
GPIO_ResetBits(GPIOC,GPIO_Pin_0);
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_0);
delay_ms(80);
GPIO_ResetBits(GPIOC,GPIO_Pin_7);
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_7);
delay_ms(80);
GPIO_ResetBits(GPIOC,GPIO_Pin_6);
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_6);
delay_ms(80);
GPIO_ResetBits(GPIOC,GPIO_Pin_5);
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_5);
delay_ms(80);
GPIO_ResetBits(GPIOC,GPIO_Pin_4);
delay_ms(80);
GPIO_SetBits(GPIOC,GPIO_Pin_4);
delay_ms(80);
GPIO_ResetBits(GPIOA,GPIO_Pin_1); //RGB蓝灯亮
delay_ms(1500);
GPIO_SetBits(GPIOA,GPIO_Pin_1); //RGB蓝灯灭
GPIO_ResetBits(GPIOA,GPIO_Pin_2); //RGB红灯亮
delay_ms(1500);
GPIO_SetBits(GPIOA,GPIO_Pin_2); //RGB红灯灭
GPIO_ResetBits(GPIOA,GPIO_Pin_3); //RGB绿灯亮
delay_ms(1500);
GPIO_SetBits(GPIOA,GPIO_Pin_3); //RGB绿灯灭
GPIO_ResetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2); //RGB亮蓝灯和绿灯组合的颜色
delay_ms(1500);
GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2); //RGB灭蓝灯和绿灯组合的颜色
}
}
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36号LED&RGB代码
2楼
36号时钟滴答代码
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- /**
- ******************************************************************************
- * @file EXTI/EXTI_Config/main.c
- * @author MCD Application Team
- * @version V3.5.0
- * @date 08-April-2011
- * @brief Main program body
- ******************************************************************************
- * @attention
- *
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *
- *
- ?COPYRIGHT 2011 STMicroelectronics
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- //#include "delay.h"
- #include
- volatile int flag;
- #define Set_B20() GPIO_SetBits(GPIOC, GPIO_Pin_12)
- #define Reset_B20() GPIO_ResetBits(GPIOC, GPIO_Pin_12)
- #define Read_B20() GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12)
- unsigned char Error_Flag=0;
- unsigned char zf=0;
- void SysTick_Configuration(void)
- {
- /* Setup SysTick Timer for 10 msec interrupts */
- if (SysTick_Config(48000)) //SysTick??
- {
- /* Capture error */
- while (1);
- }
- /* Configure the SysTick handler priority */
- NVIC_SetPriority(SysTick_IRQn, 0x0); //SysTick?????
- }
- /** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
- /** @addtogroup EXTI_Config
- * @{
- */
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- GPIO_InitTypeDef GPIO_InitStructure;
- USART_InitTypeDef USART_InitStructure;
- USART_ClockInitTypeDef USART_ClockInitStructure;
- void RCC_Configuration(void)
- {
- RCC_DeInit();
- RCC_HSICmd(ENABLE);
- while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
- RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
- RCC_HSEConfig(RCC_HSE_OFF);
- RCC_LSEConfig(RCC_LSE_OFF);
- //******48MHZ*******//
- RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_6);//6*8=24MHz
- //************************************//
- RCC_PLLCmd(ENABLE);
- while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); //检查指定的RCC标志位(PLL)设置与否
- RCC_ADCCLKConfig(RCC_PCLK2_Div4); //设置ADC时钟频率
- RCC_PCLK2Config(RCC_HCLK_Div1); // APB2=HCLK/1 PCLK2=HCLK/1
- RCC_PCLK1Config(RCC_HCLK_Div2); /// APB1=HCLK/2 PCLK1=HCLK/2
- RCC_HCLKConfig(RCC_SYSCLK_Div1); // AHB使用系统时钟 HCLK=SYSCLK
- RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); // 配置系统时钟
- while(RCC_GetSYSCLKSource() != 0x08) //检查是否将HES 6倍频后作为系统时钟
- // SystemInit();
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
- GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
- GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOD, &GPIO_InitStructure);
- GPIO_ResetBits(GPIOD,GPIO_Pin_2);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);
- GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//LED
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); //TIM2
- }
- void USART_int(long BaudRate)
- {
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- /* PA10 USART1_Rx */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- /* USARTx configured as follow:
- - BaudRate = 115200 baud
- - Word Length = 8 Bits
- - One Stop Bit
- - No parity
- - Hardware flow control disabled (RTS and CTS signals)
- - Receive and transmit enabled
- */
- USART_InitStructure.USART_BaudRate = BaudRate;
- USART_InitStructure.USART_WordLength = USART_WordLength_8b;
- USART_InitStructure.USART_StopBits = USART_StopBits_1;
- USART_InitStructure.USART_Parity = USART_Parity_No;
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
- USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
- USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
- USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
- USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
- USART_ClockInit(USART1, &USART_ClockInitStructure);
- USART_Init(USART1, &USART_InitStructure);
- USART_Cmd(USART1, ENABLE);
- USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
- USART_Cmd(USART1, ENABLE);
- }
- void delay_18b20(u32 nus) //18b20延时
- {
- u16 i;
- while(nus--)
- for(i=12;i>0;i--);
- }
- void delay_us(u32 n) //延时
- {
- u8 j;
- while(n--)
- for(j=0;j<10;j++);
- }
- void delay_ms(u32 n)
- {
- while(n--)
- delay_us(1000);
- }
- void Init18B20(void) //18B20
- {
- u8 aa=0;
- u8 count =0;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);//使能GPIOC时钟
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;//开漏输出
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- Set_B20() ; // GPIO_SetBits(GPIOC, GPIO_Pin_12)
- delay_18b20(1);
- Reset_B20(); // GPIO_ResetBits(GPIOC, GPIO_Pin_12)
- delay_18b20(480);
- Set_B20();
- // delay_18b20(500);
- delay_18b20(480);
- count=0;
- aa=Read_B20(); //读取温度
- while(!aa && count<100) //温度不宜超过99°C
- {
- aa=Read_B20();
- count++;
- }
- if(count>=99)
- Error_Flag=1;
- else
- Error_Flag=0;
- }
- unsigned char Read18B20(void)//读数据
- {
- unsigned char i=0;
- unsigned char date=0;
- u8 tempp;
- for(i=8;i>0;i--)
- {
- Reset_B20(); // GPIO_ResetBits(GPIOC, GPIO_Pin_12)
- date>>=1; //右移一位
- delay_18b20(1);
- Set_B20(); //置1
- delay_18b20(1);
- tempp=Read_B20(); //读取温度
- if(tempp)
- date|=0x80;// 1000 0000将最高位填1 ,然后右移,每次最高位由0变1,使8位全部传递完毕 0xff = 1111 1111
- delay_18b20(60);
- }
- return(date);
- }
- void Write18B20(unsigned char date)//写数据
- {
- unsigned char i=0;
- for (i=8; i>0; i--)
- {
- Reset_B20(); //置0
- delay_18b20(1);
- if(date & 0x01)
- {
- Set_B20();
- }
- else
- { Reset_B20();}
- delay_18b20(60);
- date>>=1; //数据右移一位
- Set_B20();
- delay_18b20(1);
- }
- delay_18b20(15);
- }
- float Read_T()//读温度
- {
- unsigned char TUp,TDown;
- unsigned char fTemp;
- u8 TT=0;
- float Temp = 0;
- Init18B20(); //18B20的初始化
- Write18B20(0xcc);//写指令:跳过ROM,仅一个DS18B20
- Write18B20(0x44);//启动温度转换
- Init18B20();
- Write18B20(0xcc);//写指令:跳过ROM,仅一个DS18B20
- Write18B20(0xbe);//读暂存寄存器
- TDown = Read18B20();//低字节
- TUp = Read18B20();//高字节
- if(TUp>0x7f)
- {
- TDown=~TDown;
- TUp=~TUp+1;
- TUp/=8;
- zf=1;
- }
- else
- zf=0;
- fTemp=TDown&0x0f;
- TUp<<=4;
- TDown>>=4;
- TT=TUp|TDown;
- Temp=TT+(float)fTemp/16;
- return(Temp);
- }
- int main(void)
- {
- /*!< At this stage the microcontroller clock setting is already configured,
- this is done through SystemInit() function which is called from startup
- file (startup_stm32f10x_xx.s) before to branch to application main.
- To reconfigure the default setting of SystemInit() function, refer to
- system_stm32f10x.c file
- */
- /* System Clocks Configuration */
- char ID[8];
- int i;
- RCC_Configuration();
- USART_int(115200);
- SysTick_Configuration();
- printf(" config done...\r\n");
- delay_ms(1000);
- Init18B20();
- Write18B20(0x33);
- delay_18b20(20);
- for(i=0;i<8;i++)
- {
- ID[i] = Read18B20();
- }
- while(1)
- {
- if(flag == 300)
- {
- printf("At the moment of ID is:");// 每300ms输出ID
- for(i=0;i<8;i++)
- {
- printf("%x",ID[i]);
- }
- printf("\r\n") ;
- }
- if(flag == 500)
- {
- printf("The Temperature is:%f\r\n",Read_T());//每500ms输出温度
- printf("===================================================\r\n");
- }
- }
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t* file, uint32_t line)
- {
- /* User can add his own implementation to report the file name and line number,
- ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* Infinite loop */
- while (1)
- {
- }
- }
- #endif
- /**
- * @}
- */
- /**
- * @}
- */
- #ifdef __GNUC__
- /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
- set to 'Yes') calls __io_putchar() */
- #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
- #else
- #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
- #endif /* __GNUC__ */
- /**
- * @brief Retargets the C library printf function to the USART.
- * @param None
- * @retval None
- */
- PUTCHAR_PROTOTYPE
- {
- /* Place your implementation of fputc here */
- /* e.g. write a character to the USART */
- USART_SendData(EVAL_COM1, (uint8_t) ch);
- /* Loop until the end of transmission */
- while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)
- {}
- return ch;
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t* file, uint32_t line)
- {
- /* User can add his own implementation to report the file name and line number,
- ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* Infinite loop */
- while (1)
- {
- }
- }
- #endif
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