/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2025 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "dma.h"
#include "i2c.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "oled.h"
#include "key.h"
#include <math.h>
#include "NanoEdgeAI.h"
#include "knowledge.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
// 当前分类结果的类别ID标识符,该值指向分类系统的类别索引
uint16_t id_class = 0;
/*
输入数据缓冲区,用于存储单片机捕捉到的敲击点数据
由一个大小为3的数组存储
DATA_INPUT_USER = 1
AXIS_NUMBER = 3
*/
float input_user_buffer[DATA_INPUT_USER * AXIS_NUMBER];
/*
分类结果概率缓冲区,存储每个类别的预测概率值
数组大小为CLASS_NUMBER = 36
*/
float output_class_buffer[CLASS_NUMBER];
/*
类别ID到名称的映射表
索引0为"unknown"，后续索引对应具体板面各点分类名称
数组大小为CLASS_NUMBER+1，含所有的分类名称
*/
const char *id2class[CLASS_NUMBER + 1] = {
"unknown",
"KL910",
"KL78",
"KL56",
"KL34",
"KL12",
"KL1112",
"IJ910",
"IJ78",
"IJ56",
"IJ34",
"IJ12",
"IJ1112",
"GH910",
"GH78",
"GH56",
"GH34",
"GH12",
"GH1112",
"EF910",
"EF78",
"EF56",
"EF34",
"EF12",
"EF1112",
"CD910",
"CD78",
"CD56",
"CD34",
"CD12",
"CD1112",
"AB910",
"AB78",
"AB56",
"AB34",
"AB12",
"AB1112",
};
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
char OLED_Flage = 0; //显示标志位（1：更新一次OLED屏幕显示，0：不更新）
char time_Data_Flage = 0; //位置数据记录成功标志位（1：成功捕捉到一个敲击点 0：尚未捕捉到一个敲击点）
int time_Data_Filtering[3]; //A---B---C 一个点在一个周期内只能被触发一次
uint32_t time_Data[3]; //A---B---C 用以记录该敲击点的三个接收端时间差
// 记录捕捉一个敲击点数据的状态
int point_number = 0; //0：未识别到有敲击 1：第一个接收端触发 2：第二个接收端触发 3：第三个接收端触发
//将捕捉到的敲击点数据传递给AI数据接口，实现数据传递
void fill_buffer(float input_user_buffer[])
{
input_user_buffer[0]=time_Data[0];
input_user_buffer[1]=time_Data[1];
input_user_buffer[2]=time_Data[2];
}
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
//串口打印函数 用于调试
static void UART_Printf(const char *format, ...)
{
char tmp[128];
va_list argptr;
va_start(argptr, format);
vsprintf((char* )tmp, format, argptr);
va_end(argptr);
HAL_UART_Transmit(&huart1, (const uint8_t *)&tmp, strlen(tmp), HAL_MAX_DELAY);
}
/*
用户指示灯开关函数
Led_Num: 0:LED1 1:LED2 2:LED3 3:LED4 4:LED5
Led_State: 0:关 1:开
*/
void LED_Switch(char Led_Num,char Led_State);
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_DMA_Init();
MX_TIM3_Init();
MX_TIM4_Init();
MX_USART1_UART_Init();
MX_I2C1_Init();
MX_ADC1_Init();
MX_TIM1_Init();
/* USER CODE BEGIN 2 */
HAL_TIM_Base_Start (&htim3 ); //开启定时器3 读取时间,得到3个触发点的时间差
HAL_TIM_Base_Start_IT (&htim4); //开启定时器4 10ms中断一次
HAL_Delay(20); //等待20ms
OLED_Init(); //初始化OLED屏
//创建4个字符串用于存储显示数据
char masage1[22] = "";
char masage2[22] = "";
char masage3[22] = "";
char masage4[22] = "";
//当前已捕捉到的敲击点数
int Point_number = 0;
//键码
unsigned char key_number = 0;
//初始化显示
sprintf(masage1,"当前点数: %-2d",Point_number);
sprintf(masage2,"A点: %-5d %d ",time_Data[0],time_Data_Filtering[0]);
sprintf(masage3,"B点: %-5d %d",time_Data[1],time_Data_Filtering[1]);
sprintf(masage4,"C点: %-5d %d",time_Data[2],time_Data_Filtering[2]);
/*
初始化分类器知识库同时验证硬件兼容性。若初始化失败（返回非NEAI_OK错误码---0），
表示当前知识库与AI库不匹配或硬件平台不支持，通过串口输出错误标识。
*/
enum neai_state error_code = neai_classification_init(knowledge);
if (error_code != NEAI_OK) {
UART_Printf("aiok\r\n");
}
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
key_number = Key(); //获取键码
switch (key_number){
case 1: // 显示3个触发点状态
sprintf(masage1,"当前点数: %-2d",Point_number);
sprintf(masage2,"A点: %-5d %d ",time_Data[0],time_Data_Filtering[0]);
sprintf(masage3,"B点: %-5d %d",time_Data[1],time_Data_Filtering[1]);
sprintf(masage4,"C点: %-5d %d",time_Data[2],time_Data_Filtering[2]);
LED_Switch(1,0);
break;
case 2: // 删除一个触发点,如废点
memset(time_Data_Filtering, 0, sizeof(time_Data_Filtering)); // 清零数组,允许触发
point_number = 0;
Point_number --;
if(Point_number < 0 )
Point_number = 0;
sprintf(masage1,"当前点数: %-2d",Point_number);
sprintf(masage2,"A点: %-5d %d ",time_Data[0],time_Data_Filtering[0]);
sprintf(masage3,"B点: %-5d %d",time_Data[1],time_Data_Filtering[1]);
sprintf(masage4,"C点: %-5d %d",time_Data[2],time_Data_Filtering[2]);
break;
case 3: //判断单片机是否正常运行,切换二号灯状态
static int i = 0; //静态变量
i = (i + 1) % 2;
if(i == 1)
LED_Switch(2,1);
else
LED_Switch(2,0);
break;
default:
break;
}
if(time_Data_Flage == 1){ // 判断是否有敲击点
// 安全检测,排除异常数据
if(time_Data_Filtering[0] < 1000 && time_Data_Filtering[1] < 1000 && time_Data_Filtering[2] < 1000){
Point_number++;
//将捕捉到的敲击点数据传递给AI数据接口，实现数据传递
fill_buffer(input_user_buffer);
// 分类AI调用接口
neai_classification(input_user_buffer, output_class_buffer, &id_class);
// 串口打印结果
UART_Printf("result=%s\r\n",id2class[id_class]);
// OLED显示结果
sprintf(masage1,"%s 点数: %-2d",id2class[id_class],Point_number);
sprintf(masage2,"A点: %-5d %d ",time_Data[0],time_Data_Filtering[0]);
sprintf(masage3,"B点: %-5d %d",time_Data[1],time_Data_Filtering[1]);
sprintf(masage4,"C点: %-5d %d",time_Data[2],time_Data_Filtering[2]);
UART_Printf("%d,%d,%d\r\n",time_Data[0],time_Data[1],time_Data[2]);
HAL_Delay(20); //延时防止振动造成影响，错误开启第二个点
//允许三点中断触发
HAL_NVIC_EnableIRQ(EXTI1_IRQn);
HAL_NVIC_EnableIRQ(EXTI2_IRQn);
HAL_NVIC_EnableIRQ(EXTI3_IRQn);
// 清零数组,允许触发（双重保险）
memset(time_Data_Filtering, 0, sizeof(time_Data_Filtering));
// 重置标志位
time_Data_Flage = 0;
}
}
// 刷新OLED屏显示
if(OLED_Flage == 1){
OLED_NewFrame();
OLED_PrintString(0,0,masage1,&font16x16,OLED_COLOR_NORMAL);
OLED_PrintString(0,16,masage2,&font16x16,OLED_COLOR_NORMAL);
OLED_PrintString(0,32,masage3,&font16x16,OLED_COLOR_NORMAL);
OLED_PrintString(0,48,masage4,&font16x16,OLED_COLOR_NORMAL);
OLED_ShowFrame();
// 重置标志位
OLED_Flage = 0;
}
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 168;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 4;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
//外部中断回调
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin){
// A点捕捉到强烈振动且该周期内并未触发过
if(GPIO_Pin == point_A_Pin && time_Data_Filtering[0] == 0){
// A点已经触发
time_Data_Filtering[0] = 1;
switch (point_number)
{
case 0: //为第一个触发点
__HAL_TIM_SET_COUNTER (&htim3 ,0); //计为最近点 ， 重载计时器为0
time_Data[0] = 0; //最近点时间记为0时刻
HAL_NVIC_DisableIRQ(EXTI1_IRQn);
break;
case 1: //为第二个触发点
time_Data[0] = __HAL_TIM_GET_COUNTER(&htim3); //记录当前时刻计数值
HAL_NVIC_DisableIRQ(EXTI1_IRQn);
break;
case 2: //为第三个触发点
time_Data[0] = __HAL_TIM_GET_COUNTER(&htim3); //记录当前时刻计数值
HAL_NVIC_DisableIRQ(EXTI1_IRQn);
time_Data_Flage = 1; //激活一次数据显示
break;
default:
break;
}
point_number = (point_number + 1) % 3; //当前点进度+1（3结束当前点）
}
// B点捕捉到强烈振动且该周期内并未触发过
else if(GPIO_Pin == point_B_Pin && time_Data_Filtering[1] == 0){
// B点已经触发
time_Data_Filtering[1] = 1;
switch (point_number)
{
case 0: //为第一个触发点
__HAL_TIM_SET_COUNTER (&htim3 ,0); //计为最近点（0时刻）
time_Data[1] = 0;
HAL_NVIC_DisableIRQ(EXTI2_IRQn);
break;
case 1: //为第二个触发点
time_Data[1] = __HAL_TIM_GET_COUNTER(&htim3);
HAL_NVIC_DisableIRQ(EXTI2_IRQn);
break;
case 2: //为第三个触发点
time_Data[1] = __HAL_TIM_GET_COUNTER(&htim3);
HAL_NVIC_DisableIRQ(EXTI2_IRQn);
time_Data_Flage = 1; //激活一次数据显示
break;
default:
break;
}
point_number = (point_number + 1) % 3; //当前点进度+1（3结束当前点）
}
// C点捕捉到强烈振动且该周期内并未触发过
else if(GPIO_Pin == point_C_Pin && time_Data_Filtering[2] == 0){
// C点已经触发
time_Data_Filtering[2] = 1;
switch (point_number)
{
case 0: //为第一个触发点
__HAL_TIM_SET_COUNTER (&htim3 ,0); //计为最近点
time_Data[2] = 0;
HAL_NVIC_DisableIRQ(EXTI3_IRQn);
break;
case 1: //为第二个触发点
time_Data[2] = __HAL_TIM_GET_COUNTER(&htim3);
HAL_NVIC_DisableIRQ(EXTI3_IRQn);
break;
case 2: //为第三个触发点
time_Data[2] = __HAL_TIM_GET_COUNTER(&htim3);
HAL_NVIC_DisableIRQ(EXTI3_IRQn);
time_Data_Flage = 1; //激活一次数据显示
break;
default:
break;
}
point_number = (point_number + 1) % 3; //当前点进度+1（3结束当前点）
}
}
//定时器回调
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim){
static char time = 0;
if(htim == &htim4){ //10ms触发一次
time = (time + 1) % 3;
if(time == 0 ) //30ms
OLED_Flage = 1;
}
}
//0:开启，1:关
void LED_Switch(char Led_Num,char Led_State){
switch (Led_Num)
{
case 1:
if (Led_State == 1)
{
HAL_GPIO_WritePin(led1_GPIO_Port,led1_Pin,GPIO_PIN_SET);
}
else if(Led_State == 0)
{
HAL_GPIO_WritePin(led1_GPIO_Port,led1_Pin,GPIO_PIN_RESET);
}
break;
case 2:
if (Led_State == 1)
{
HAL_GPIO_WritePin(led2_GPIO_Port,led2_Pin,GPIO_PIN_SET);
}
else if(Led_State == 0)
{
HAL_GPIO_WritePin(led2_GPIO_Port,led2_Pin,GPIO_PIN_RESET);
}
break;
case 3:
if (Led_State == 1)
{
HAL_GPIO_WritePin(led3_GPIO_Port,led3_Pin,GPIO_PIN_SET);
}
else if(Led_State == 0)
{
HAL_GPIO_WritePin(led3_GPIO_Port,led3_Pin,GPIO_PIN_RESET);
}
break;
case 4:
if (Led_State == 1)
{
HAL_GPIO_WritePin(led4_GPIO_Port,led4_Pin,GPIO_PIN_SET);
}
else if(Led_State == 0)
{
HAL_GPIO_WritePin(led4_GPIO_Port,led4_Pin,GPIO_PIN_RESET);
}
break;
default:
break;
}
}
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#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 CODE BEGIN 6 */
/* 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) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
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