1. @file GPIO/IOToggle/main.c
2. * @author MCD Application Team
3. * @version V3.5.0
4. * @date 08-April-2011
5. * @brief Main program body.
6. ******************************************************************************
7. * @attention
8. *
9. * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
10. * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
11. * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
12. * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
13. * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
14. * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
15. * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
16.
1. /* Includes ------------------------------------------------------------------*/
2. #include "stm32f10x.h"
3. #include "stm32_eval.h"
4. GPIO_InitTypeDef GPIO_InitStructure;//定义了一个初始化结构体,其中包括端口引脚、速度、模式
5.
6. void RCC_Configuration(void)
7. {
8. RCC_DeInit();
9.
10. RCC_HSICmd(ENABLE);//时钟使能配置
11. while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);//检查制定的RCC标志位设置与否
12.
13. RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);//时钟源相关配置
14.
15. RCC_HSEConfig(RCC_HSE_OFF);
16. RCC_LSEConfig(RCC_LSE_OFF);
17. RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz
18. RCC_PLLCmd(ENABLE);//使能PLL
19. while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
20. RCC_ADCCLKConfig(RCC_PCLK2_Div4);
21. RCC_PCLK2Config(RCC_HCLK_Div1);//设置高速AHB时钟
22. RCC_PCLK1Config(RCC_HCLK_Div2);//设置低速AHB时钟
23. RCC_HCLKConfig(RCC_SYSCLK_Div1);//设置AHB时钟
24. RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
25. while(RCC_GetSYSCLKSource() != 0x08);//PLL作为系统时钟
26. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
27. GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
28. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;//选择配置的引脚
29. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
30. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
31. GPIO_Init(GPIOD, &GPIO_InitStructure);
32. GPIO_ResetBits(GPIOD,GPIO_Pin_2);
33. }
34.
35. void GPIO_INIT()
36. {
37. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
38. 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;//选择PIN0-PIN7
39. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
40. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;//引脚推拉输出
41. GPIO_Init(GPIOC, &GPIO_InitStructure);//初始化
42. }
43.
44. void delay_us(u32 n)
45. {
46. u8 j;
47. while(n--)
48. for(j=0;j<10;j++);
49. }
50.
51. void delay_ms(u32 n)
52. {
53. while(n--)
54. delay_us(1000);
55. }
- @file GPIO/IOToggle/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.
- *
- * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* Includes ------------------------------------------------------------------*/
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- GPIO_InitTypeDef GPIO_InitStructure;
- 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);
- RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //
- 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);
- 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);
- }
- void chushihua()
- {
- //按键初始化
- RCC_Configuration();
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- //数码管初始化
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- }
- void delay_us(u32 n) //延时函数
- {
- u8 j;
- while(n--)
- for(j=0;j<10;j++);
- }
- void delay_ms(u32 n)
- {
- while(n--)
- delay_us(1000);
-
- nt main (void)
- {
- char i,j,num; //定义变量
- GPIO();
- while(1){
- if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_10)) //s3键按下
- {delay_ms(80); //延时,防抖
- if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_10)){j++;}} //s3自加1
- if(j%2==0){ // 如果j是偶数
- if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)) //s1键按下
- {delay_ms(80);
- if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)){i++;} //s1键按下i自加1
- }
- if(i>30){i=0;} //30个循环
- GPIO_ResetBits(GPIOB,GPIO_Pin_1); //关闭PB1
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14); //关闭数码管管脚
- switch(i)
- {
- case 0 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 1 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 2 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 3 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- break;
- case 4 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 5 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);
- break;
- case 6 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 7 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 8 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 9 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- break;
- case 10 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 11 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 12 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 13 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 14 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 15 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 16 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 17 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 18 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 19 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- break;
- case 20 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 21 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 22 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 23 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 24 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 25 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 26 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 27 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits (GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits (GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 28 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 29 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);
- break;
- case 30 :
- GPIO_SetBits(GPIOB,GPIO_Pin_1);
- GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- delay_ms(80);
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- GPIO_SetBits(GPIOB,GPIO_Pin_15);
- GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- delay_ms(100);
- GPIO_ResetBits(GPIOB,GPIO_Pin_15);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);
- break;
- }
- }
- else{
- if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9)) //s2键按下
- {delay_ms(80);
- if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9)){num++;}}
- if(num>30){num=0;}
- GPIO_ResetBits(GPIOB,GPIO_Pin_1);
- GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- switch(num)
{
int display[10],shift=0,flag=0,i=0;//shift作为S4的标识位,flag作为S1的标识位,数组display保存数码管0-9个数字的显示组合
display[0]=GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14;
display[1]=GPIO_Pin_9|GPIO_Pin_12;
display[2]=GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14;
display[3]=GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14;
display[4]=GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12;
display[5]=GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14;
display[6]=GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14;
display[7]=GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12;
display[8]=GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14;
display[9]=GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14;
GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- #include <stdio.h>
- /** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- /** @addtogroup EXTI_Config
- * @{
- /* Private typedef ---------------------------------------------------------
- /* Private define ---------------------------------------------------------
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- EXTI_InitTypeDef EXTI_InitStructure;
- GPIO_InitTypeDef GPIO_InitStructure;
- NVIC_InitTypeDef NVIC_InitStructure;
- USART_InitTypeDef USART_InitStructure;
- USART_ClockInitTypeDef USART_ClockInitStructure;
- /* Private function prototypes -----------------------------------------------*/
- void EXTIkeyS1_Config(void);
- void EXTIkeyS2_Config(void);
- void EXTIkeyS3_Config(void);
- void EXTIkeyS4_Config(void);
- 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);
- 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
- 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;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- GPIO_ResetBits(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);
- }
- 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_10MHz;
- 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;//???????8bit
- USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1
- USART_InitStructure.USART_Parity = USART_Parity_No;//????
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;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);
- /* Configure four bit for preemption priority */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
- /* Enable the USART1 Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; //
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- }
- /* Private functions ---------------------------------------------------------*/
- /**
- * @brief Main program.
- * @param None
- * @retval None
- */
- int main(void)
- {RCC_Configuration();
- /* Configure PA.00 in interrupt mode */
- EXTIkeyS1_Config();
- /* Configure PB.09 or PG.08 in interrupt mode */
- EXTIkeyS2_Config();
- EXTIkeyS3_Config();
- EXTIkeyS4_Config();
- USART_int(115200);
- printf("Config done,waiting for interrupt......\r\n");
- while (1)
- {
- }
- }
- /**
- * @brief Configure PA.00 in interrupt mode
- * @param None
- * @retval None
- */
- void EXTIkeyS1_Config(void)
- {
- /* Enable GPIOA clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- /* Configure PA.00 pin as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //GPIOC.8 中断线以及中断初始化配置 下降沿触发
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- /* Enable AFIO clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
- /* Connect EXTI0 Line to PA.00 pin */
- GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource8);
- /* Configure EXTI0 line */
- EXTI_InitStructure.EXTI_Line = EXTI_Line8;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
- EXTI_InitStructure.EXTI_LineCmd = ENABLE;
- EXTI_Init(&EXTI_InitStructure);
- /* Enable and set EXTI0 Interrupt to the lowest priority */
- NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn; //使能按键所在的外部中断通道
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断通道
- NVIC_Init(&NVIC_InitStructure);
- }
- void EXTIkeyS2_Config(void)
- {
- /* Enable GPIOA clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- /* Configure PA.00 pin as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; // GPIOC.9 中断线以及中断初始化配置 下降沿触发
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- /* Enable AFIO clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
- /* Connect EXTI0 Line to PA.00 pin */
- GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource9);
- /* Configure EXTI0 line */
-
EXTI_InitStructure.EXTI_Line = EXTI_Line10;
- //GPIOC.10 中断线以及中断初始化配置 下降沿触发
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
- EXTI_InitStructure.EXTI_LineCmd = ENABLE;
- EXTI_Init(&EXTI_InitStructure);
- /* Enable and set EXTI0 Interrupt to the lowest priority */
- NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn; //使能按键所在的外部中断通道
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- }
- /**
- * @brief Configure PB.09 or PG.08 in interrupt mode
- * @param None
- * @retval None
- */
- void EXTIkeyS3_Config(void)
- {
- /* Enable GPIOB clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- /* Configure PB.09 pin as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10|GPIO_Pin_11;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- /* Enable AFIO clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
- /* Connect EXTI9 Line to PB.09 pin */
- GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource10);
- /* Configure EXTI9 line */
- EXTI_InitStructure.EXTI_Line = EXTI_Line10|EXTI_Line11;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
- EXTI_InitStructure.EXTI_LineCmd = ENABLE;
- EXTI_Init(&EXTI_InitStructure);
- /* Enable and set EXTI9_5 Interrupt to the lowest priority */
- NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn; //使能按键所在的外部中断通道
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- }
- void EXTIkeyS4_Config(void)
- {
- /* Enable GPIOB clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- /* Configure PB.09 pin as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- /* Enable AFIO clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
- /* Connect EXTI9 Line to PB.09 pin */
- GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource11);
- /* Configure EXTI9 line */
- EXTI_InitStructure.EXTI_Line = EXTI_Line11;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
- EXTI_InitStructure.EXTI_LineCmd = ENABLE;
- EXTI_Init(&EXTI_InitStructure);
- /* Enable and set EXTI9_5 Interrupt to the lowest priority */
- NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- }
- /******************************************************************************/
- /* STM32F10x Peripherals Interrupt Handlers */
- /******************************************************************************/
- /**
- * @brief This function handles External lines 9 to 5 interrupt request.
- * @param None
- * @retval None
- */
- void EXTI9_5_IRQHandler(void)
- {
- if(EXTI_GetITStatus(EXTI_Line8) != RESET)
- {
- /* Toggle LED1 */
- GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1);
- printf("S1 interrupt ......\r\n");
- /* Clear the EXTI line 0 pending bit */
- EXTI_ClearITPendingBit(EXTI_Line8);
- }
- if(EXTI_GetITStatus(EXTI_Line9) != RESET)
- {
- GPIO_SetBits(GPIOC,GPIO_Pin_2|GPIO_Pin_3);
- printf("S2 interrupt ......\r\n");
- /* Clear the EXTI line 0 pending bit */
- EXTI_ClearITPendingBit(EXTI_Line9);
- }
- }
- void EXTI15_10_IRQHandler(void)
- {
- if(EXTI_GetITStatus(EXTI_Line10) != RESET)
- {
- /* Toggle LED2 */
- GPIO_SetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5);
- printf("S3 interrupt ......\r\n");
- /* Clear the EXTI line 9 pending bit */
- EXTI_ClearITPendingBit(EXTI_Line10);
- }
- if(EXTI_GetITStatus(EXTI_Line11) != RESET)
- {
- /* Toggle LED2 */
- GPIO_SetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);
- printf("S4 interrupt ......\r\n");
- /* Clear the EXTI line 9 pending bit */
- EXTI_ClearITPendingBit(EXTI_Line11);
- }
- }
- #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
- /* Includes ------------------------------------------------------------------*/
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- #include <stdio.h>
- /** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
- /** @addtogroup EXTI_Config
- * @{
- */
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- EXTI_InitTypeDef EXTI_InitStructure;
- GPIO_InitTypeDef GPIO_InitStructure;
- NVIC_InitTypeDef NVIC_InitStructure;
- USART_InitTypeDef USART_InitStructure;
- USART_ClockInitTypeDef USART_ClockInitStructure;
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
- TIM_OCInitTypeDef TIM_OCInitStructure;
- long flag,temp,num;
- 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);
- 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);
- */
- 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;
- 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);
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE);
- }
- 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_10MHz;
- 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;//???????8bit
- USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1
- USART_InitStructure.USART_Parity = USART_Parity_No;//????
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????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 NVIC_Configuration(void)
- {
- NVIC_InitTypeDef NVIC_InitStructure;
- /* Enable the TIM2 global Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- NVIC_InitStructure.NVIC_IRQChannel = TIM7_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- /* Time base configuration */
- TIM_TimeBaseStructure.TIM_Period = 24000;
- TIM_TimeBaseStructure.TIM_Prescaler = 0;
- TIM_TimeBaseStructure.TIM_ClockDivision = 0;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
- /*NVIC_InitStructure.NVIC_IRQChannel =TIM8_CC_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);*/
- }
- /* Private functions ---------------------------------------------------------*/
- /**
- * @brief Main program.
- * @param None
- * @retval None
- */
- void delay_us(u32 n)
- {
- u8 j;
- while(n--)
- for(j=0;j<10;j++);
- }
- void delay_ms(u32 n)
- {
- while(n--)
- delay_us(1500);
- }
- 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 */
- RCC_Configuration();
- NVIC_Configuration();
- USART_int(115200);
- printf(" config done...\r\n");
- TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
- TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE );
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
- TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE );
- TIM_TimeBaseInit(TIM7, &TIM_TimeBaseStructure);
- TIM_ITConfig(TIM7,TIM_IT_Update,ENABLE );
- /* TIM2 enable counter */
- TIM_Cmd(TIM2, ENABLE);
- TIM_Cmd(TIM3, ENABLE);
- TIM_Cmd(TIM7, ENABLE);
- while (1){
- if(flag == 2000)
- {printf("TIM2 interrupt......\r\n");
- GPIO_ResetBits(GPIOC,GPIO_Pin_2|GPIO_Pin_3);
- delay_ms(150);
- GPIO_ResetBits(GPIOC,GPIO_Pin_2|GPIO_Pin_3);
- flag = 0;
- }
- if(temp == 3000)
- {printf("TIM3 interrupt......\r\n");
- GPIO_ResetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);
- delay_ms(150);
- GPIO_ResetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);
- temp = 0;
- }
- }
- }
- void TIM2_IRQHandler(void) //TIM3 ??
- {
- if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) //?? TIM3 ????????
- {
- TIM_ClearITPendingBit(TIM2, TIM_IT_Update ); //?? TIM3 ??????
- flag++;
- }
- }
- void TIM3_IRQHandler(void) //TIM3 ??
- {
- if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) //?? TIM3 ????????
- {
- TIM_ClearITPendingBit(TIM3, TIM_IT_Update ); //?? TIM3 ??????
- temp++;
- }
- }
- #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
- /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- #include "stdio.h"
- #include "math.h"
- #define buff_size 16;
- char rx_buff[], rx_buff_count=0;
- GPIO_InitTypeDef GPIO_InitStructure;
- USART_InitTypeDef USART_InitStructure;
- NVIC_InitTypeDef NVIC_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);
- 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);
- }
- void GPIO_INIT()
- {
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- 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;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- }
- 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_10MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- 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);
- /* Configure four bit for preemption priority */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
- /* Enable the USART1 Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);//?????
- }
- /*delay_us*/
- void delay_us(u32 n)
- {
- u8 j;
- while(n--)
- for(j=0;j<10;j++);
- }
- /*delay_ms*/
- void delay_ms(u32 n)
- {
- while(n--)
- delay_us(1000);
- }
- void USART_SendStr(char *str)
- {
- while((*str)!='\0')
- {
- USART_SendData(USART1,*str++);
- while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
- }
- }
- unsigned int translate(char *S,char j)
- {
- unsigned int a[4],sum=0;
- char i;
- for(i=0;i<j;i++)
- {
- a[i]=S[5+j-1-i]-48;
- sum+=a[i]*pow(10,i);
- }
- return sum;
- }
- void func(char *S,char LEN)
- {
- char count;//
- unsigned int sum,i,j,k;
- if((LEN!=6)&(LEN!=7)&(LEN!=8)&(LEN!=9))
- {USART_SendStr("\r\n Erro input!!!\r\n");}
- else
- {
- count=LEN-5;
- sum = translate(S,count);
- GPIO_SetBits(GPIOC,0x000000ff);
- for(k=0;k<3;k++)
- {
- i=0x00000100;
- for(j=1;j<=8;j++)
- {
- i>>=1;
- GPIO_ResetBits(GPIOC,i);
- delay_ms(50);
- GPIO_SetBits(GPIOC,i);
- delay_ms(sum);
- }
- }
- }
- }
- void input_ASK()
- {
- char j;
- func(rx_buff,rx_buff_count);
- rx_buff_count=0;
- for (j=0;j<rx_buff_count;j++)
- {rx_buff[j]='\0';}
- USART_SendStr("\n>");
- }
- int main(void)
- {
- RCC_Configuration();
- GPIO_INIT();
- USART_int(9600);
- GPIO_ResetBits(GPIOC,0x000000ff); //LED灯亮
- delay_ms(200);
- GPIO_SetBits(GPIOC,0x000000ff); //LED灯灭
- USART_SendStr("SyStem booting......\r\n");
- USART_SendStr("\n>");//
- while(1)
- {}
- }
- void USART1_IRQHandler(void)
- {
- while(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)
- { }
- if(USART_ReceiveData(USART1)==0x0d)
- {input_ASK();}
- else
- {
- USART_SendData(USART1,USART_ReceiveData(USART1));
- rx_buff[rx_buff_count]= USART_ReceiveData(USART1);
- rx_buff_count++;
- }
- USART_ClearFlag(USART1, USART_FLAG_RXNE);
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- #include <stdio.h>
- /** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
- /** @addtogroup EXTI_Config
- * @{
- */
- /* Private typedef-
- /* Private define -*/
- /* Private macro -*/
- /* Private variables -*/
- EXTI_InitTypeDef EXTI_InitStructure;
- GPIO_InitTypeDef GPIO_InitStructure;
- NVIC_InitTypeDef NVIC_InitStructure;
- USART_InitTypeDef USART_InitStructure;
- USART_ClockInitTypeDef USART_ClockInitStructure;
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
- TIM_OCInitTypeDef TIM_OCInitStructure;
- long flag,temp,num;
- 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);
- RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9);
- 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);
- SystemInit();
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE)
- GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
- GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);
- 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);
- 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;
- 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);
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE);
- }
- 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_10MHz;
- 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 NVIC_Configuration(void)
- {
- NVIC_InitTypeDef NVIC_InitStructure;
- /* Enable the TIM2 global Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- NVIC_InitStructure.NVIC_IRQChannel = TIM7_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- /* Time base configuration */
- TIM_TimeBaseStructure.TIM_Period = 24000;
- TIM_TimeBaseStructure.TIM_Prescaler = 0;
- TIM_TimeBaseStructure.TIM_ClockDivision = 0;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
- /*NVIC_InitStructure.NVIC_IRQChannel =TIM8_CC_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);*/
- }
- /* Private functions ---------------------------------------------------------*/
- /**
- * @brief Main program.
- * @param None
- * @retval None
- */
- void delay_us(u32 n)
- {
- u8 j;
- while(n--)
- for(j=0;j<10;j++);
- }
- void delay_ms(u32 n)
- {
- while(n--)
- delay_us(1000);
- }
- 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 */
- RCC_Configuration();
- NVIC_Configuration();
- USART_int(115200);
- printf(" config done...\r\n");
- TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
- TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE );
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
- TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE );
- TIM_TimeBaseInit(TIM7, &TIM_TimeBaseStructure);
- TIM_ITConfig(TIM7,TIM_IT_Update,ENABLE );
- /* TIM2 enable counter */
- TIM_Cmd(TIM2, ENABLE);
- TIM_Cmd(TIM3, ENABLE);
- TIM_Cmd(TIM7, ENABLE);
- while (1){
- if(flag == 2000)
- {printf("TIM2 interrupt......\r\n");
- GPIO_ResetBits(GPIOC,GPIO_Pin_1|GPIO_Pin_0);
- delay_ms(150);
- GPIO_ResetBits(GPIOC,GPIO_Pin_1|GPIO_Pin_0);
- flag = 0;
- }
- if(temp == 3000)
- {printf("TIM3 interrupt......\r\n");
- GPIO_ResetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);
- delay_ms(150);
- GPIO_ResetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);
- temp = 0;
- }
- }
- }
- void TIM2_IRQHandler(void)
- {
- if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)
- {
- TIM_ClearITPendingBit(TIM2, TIM_IT_Update );
- flag++;
- }
- }
- void TIM3_IRQHandler(void)
- {
- if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)
- {
- TIM_ClearITPendingBit(TIM3, TIM_IT_Update );
- temp++;
- }
- #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
- #include "stm32f10x.h"
- #include "stm32_eval.h"
- #include
- volatile int flag;
- #define Set_B20() GPIO_SetBits(GPIOC, GPIO_Pin_12)//上拉关闭pc12
- #define Reset_B20() GPIO_ResetBits(GPIOC, GPIO_Pin_12)//下拉打开pc12
- #define Read_B20() GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12)//读pc状态
- unsigned char Error_Flag=0;
- unsigned char zf=0;
- GPIO_InitTypeDef GPIO_InitStructure;
- USART_InitTypeDef USART_InitStructure;
- USART_ClockInitTypeDef USART_ClockInitStructure;
- void delay_us(u32 n)
- {
- u8 j;
- while(n--)
- for(j=0;j<10;j++);
- }
- void delay_ms(u32 n)
- {
- while(n--)
- delay_us(1000);
- }
- void SysTick_Configuration(void)
- {
- /* Setup SysTick Timer for 10 msec interrupts */
- if (SysTick_Config(48000))
- {
- /* Capture error */
- while (1);
- }
- /* Configure the SysTick handler priority */
- NVIC_SetPriority(SysTick_IRQn, 0x0);
- }
- void RCC_Configuration(void)
- {
- RCC_DeInit();//将RCC寄存器重设为缺省值
- RCC_HSICmd(ENABLE);//使能内部高速晶振
- while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);//HSI晶振返回reset
- RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);//选择HSI作为系统时钟
- RCC_HSEConfig(RCC_HSE_OFF);//HSE晶振关
- RCC_LSEConfig(RCC_LSE_OFF);//LSE晶振关
- RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz
- RCC_PLLCmd(ENABLE);//使能PLL状态
- while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
- RCC_ADCCLKConfig(RCC_PCLK2_Div4);//ADC时钟=PCLK/4
- RCC_PCLK2Config(RCC_HCLK_Div1);//APB2时钟=HCLK
- RCC_PCLK1Config(RCC_HCLK_Div2);//APB1时钟=HCLK/2
- RCC_HCLKConfig(RCC_SYSCLK_Div1);//AHB时钟=系统时钟
- RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);//选择PLL作为系统时钟
- 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);//关闭蜂鸣器
- 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;
- 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);
- }
- 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_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)
- {
- u16 i;
- while(nus--)
- for(i=12;i>0;i--);
- }
- void Init18B20(void)
- {
- u8 aa=0;
- u8 count =0;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
- Set_B20() ;
- delay_18b20(1);
- Reset_B20();
- delay_18b20(480);
- Set_B20();
- delay_18b20(480);
- count=0;
- aa=Read_B20();
- while(!aa && count<100)
- {
- aa=Read_B20();
- count++;
- }
- if(count>=99)
- Error_Flag=1;
- else
- Error_Flag=0;
- }
- unsigned char Read18B20(void)
- {
- unsigned char i=0;
- unsigned char date=0;
- u8 tempp;
- for(i=8;i>0;i--)
- {
- Reset_B20();
- date>>=1;
- delay_18b20(1);
- Set_B20();
- delay_18b20(1);
- tempp=Read_B20();
- if(tempp)
- date|=0x80;
- delay_18b20(60);
- }
- return(date);
- }
- void Write18B20(unsigned char date)
- {
- unsigned char i=0;
- for (i=8; i>0; i--)
- {
- Reset_B20();
- delay_18b20(1);
- if(date & 0x01)
- {
- Set_B20();
- }
- else
- { Reset_B20();}
- delay_18b20(60);
- date>>=1;
- Set_B20();
- delay_18b20(1);
- }
- delay_18b20(15);
- }
- float Read_T()
- {
- unsigned char TUp,TDown;
- unsigned char fTemp;
- u8 TT=0;
- float Temp = 0;
- Init18B20();
- Write18B20(0xcc);
- Write18B20(0x44);
- Init18B20();
- Write18B20(0xcc);
- Write18B20(0xbe);
- TDown = Read18B20();
- TUp = Read18B20();
- 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)
- {
- 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:") ;
- for(i=0;i<8;i++)
- {
- printf("%u",ID[i]);
- }
- printf("\r\n") ;
- }
- if(flag == 500)
- {
- printf("The Temperature is:%f\r\n",Read_T());
- printf("===================================================\r\n");
- }
- }
- }
- #ifdef USE_FULL_ASSERT
- void assert_failed(uint8_t* file, uint32_t line)
- {
- 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__ */
- 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
- void assert_failed(uint8_t* file, uint32_t line)
- {
- while (1)
- {
- }
- }
- #endif
回复
有奖活动 | |
---|---|
【有奖活动】分享技术经验,兑换京东卡 | |
话不多说,快进群! | |
请大声喊出:我要开发板! | |
【有奖活动】EEPW网站征稿正在进行时,欢迎踊跃投稿啦 | |
奖!发布技术笔记,技术评测贴换取您心仪的礼品 | |
打赏了!打赏了!打赏了! |