while (1)
{
//高电平有效
// HAL_GPIO_WritePin(LED_Green_GPIO_Port, LED_Green_Pin, GPIO_PIN_SET);
HAL_GPIO_TogglePin(LED_Green_GPIO_Port, LED_Green_Pin);
HAL_Delay(500);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
2.代码移动
5.代码移植
1.结构体等基本移植
2.write移植
3.read移植
与write的思路一样
4.tx_com移植
5.移植后的mian
cpp复制代码
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2023 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 "spi.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "lis3dh_reg.h"
#define SENSOR_BUS hspi1
static uint8_t whoamI;
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
stmdev_ctx_t dev_ctx;
extern UART_HandleTypeDef huart1;
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* 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 */
static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
uint16_t len);
static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
uint16_t len);
static void tx_com(uint8_t *tx_buffer, uint16_t len);
/*
* @brief Write generic device register (platform dependent)
*
* @param handle customizable argument. In this examples is used in
* order to select the correct sensor bus handler.
* @param reg register to write
* @param bufp pointer to data to write in register reg
* @param len number of consecutive register to write
*
*/
static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
uint16_t len)
{
reg |= 0x40;
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(handle, ®, 1, 1000);
HAL_SPI_Transmit(handle, (uint8_t*) bufp, len, 1000);
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_SET);
return 0;
}
/*
* @brief Read generic device register (platform dependent)
*
* @param handle customizable argument. In this examples is used in
* order to select the correct sensor bus handler.
* @param reg register to read
* @param bufp pointer to buffer that store the data read
* @param len number of consecutive register to read
*
*/
static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
uint16_t len)
{
reg |= 0xC0;
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(handle, ®, 1, 1000);
HAL_SPI_Receive(handle, bufp, len, 1000);
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_SET);
return 0;
}
/*
* @brief Send buffer to console (platform dependent)
*
* @param tx_buffer buffer to transmit
* @param len number of byte to send
*
*/
static void tx_com(uint8_t *tx_buffer, uint16_t len)
{
HAL_UART_Transmit(&huart1, tx_buffer, len, 1000);
}
/* 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_USART1_UART_Init();
MX_SPI1_Init();
/* USER CODE BEGIN 2 */
dev_ctx.write_reg = platform_write;
dev_ctx.read_reg = platform_read;
dev_ctx.handle = &SENSOR_BUS;
lis3dh_device_id_get(&dev_ctx, &whoamI);
if (whoamI != LIS3DH_ID) {
while (1) {
/* manage here device not found */
}
}
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
//高电平有效
// HAL_GPIO_WritePin(LED_Green_GPIO_Port, LED_Green_Pin, GPIO_PIN_SET);
HAL_GPIO_TogglePin(LED_Green_GPIO_Port, LED_Green_Pin);
HAL_Delay(500);
/* 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
*/
if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
{
Error_Handler();
}
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.MSICalibrationValue = 0;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = 1;
RCC_OscInitStruct.PLL.PLLN = 40;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
/* 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 */
6.polling的移植
将相关缺少的定义补全即可
7.完整移植代码
cpp复制代码
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2023 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 "spi.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "lis3dh_reg.h"
#include <string.h>
#define SENSOR_BUS hspi1
static uint8_t whoamI;
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
stmdev_ctx_t dev_ctx;
extern UART_HandleTypeDef huart1;
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
static int16_t data_raw_acceleration[3];
static int16_t data_raw_temperature;
static float acceleration_mg[3];
static float temperature_degC;
static uint8_t whoamI;
static uint8_t tx_buffer[1000];
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
uint16_t len);
static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
uint16_t len);
static void tx_com(uint8_t *tx_buffer, uint16_t len);
/*
* @brief Write generic device register (platform dependent)
*
* @param handle customizable argument. In this examples is used in
* order to select the correct sensor bus handler.
* @param reg register to write
* @param bufp pointer to data to write in register reg
* @param len number of consecutive register to write
*
*/
static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
uint16_t len)
{
reg |= 0x40;
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(handle, ®, 1, 1000);
HAL_SPI_Transmit(handle, (uint8_t*) bufp, len, 1000);
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_SET);
return 0;
}
/*
* @brief Read generic device register (platform dependent)
*
* @param handle customizable argument. In this examples is used in
* order to select the correct sensor bus handler.
* @param reg register to read
* @param bufp pointer to buffer that store the data read
* @param len number of consecutive register to read
*
*/
static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
uint16_t len)
{
reg |= 0xC0;
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(handle, ®, 1, 1000);
HAL_SPI_Receive(handle, bufp, len, 1000);
HAL_GPIO_WritePin(SPI1_CS_GPIO_Port, SPI1_CS_Pin, GPIO_PIN_SET);
return 0;
}
/*
* @brief Send buffer to console (platform dependent)
*
* @param tx_buffer buffer to transmit
* @param len number of byte to send
*
*/
static void tx_com(uint8_t *tx_buffer, uint16_t len)
{
HAL_UART_Transmit(&huart1, tx_buffer, len, 1000);
}
/* 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_USART1_UART_Init();
MX_SPI1_Init();
/* USER CODE BEGIN 2 */
dev_ctx.write_reg = platform_write;
dev_ctx.read_reg = platform_read;
dev_ctx.handle = &SENSOR_BUS;
lis3dh_device_id_get(&dev_ctx, &whoamI);
if (whoamI != LIS3DH_ID) {
while (1) {
/* manage here device not found */
}
}
/* Enable Block Data Update. */
lis3dh_block_data_update_set(&dev_ctx, PROPERTY_ENABLE);
/* Set Output Data Rate to 1Hz. */
lis3dh_data_rate_set(&dev_ctx, LIS3DH_ODR_1Hz);
/* Set full scale to 2g. */
lis3dh_full_scale_set(&dev_ctx, LIS3DH_2g);
/* Enable temperature sensor. */
lis3dh_aux_adc_set(&dev_ctx, LIS3DH_AUX_ON_TEMPERATURE);
/* Set device in continuous mode with 12 bit resol. */
lis3dh_operating_mode_set(&dev_ctx, LIS3DH_HR_12bit);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
//高电平有效
// HAL_GPIO_WritePin(LED_Green_GPIO_Port, LED_Green_Pin, GPIO_PIN_SET);
HAL_GPIO_TogglePin(LED_Green_GPIO_Port, LED_Green_Pin);
HAL_Delay(500);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
//加速度数据的获取，处理和输出
lis3dh_reg_t reg;
/* Read output only if new value available */
lis3dh_xl_data_ready_get(&dev_ctx, ®.byte);
if (reg.byte) {
/* Read accelerometer data */
//清空缓存
memset(data_raw_acceleration, 0x00, 3 * sizeof(int16_t));
//获取原始数据（未加工）
lis3dh_acceleration_raw_get(&dev_ctx, data_raw_acceleration);
//将原始数据进行转换
acceleration_mg[0] =
lis3dh_from_fs2_hr_to_mg(data_raw_acceleration[0]);
acceleration_mg[1] =
lis3dh_from_fs2_hr_to_mg(data_raw_acceleration[1]);
acceleration_mg[2] =
lis3dh_from_fs2_hr_to_mg(data_raw_acceleration[2]);
//将数据打印出来并且存储到tx_buffer
sprintf((char *)tx_buffer,
"Acceleration [mg]:%4.2f\t%4.2f\t%4.2f\r\n",
acceleration_mg[0], acceleration_mg[1], acceleration_mg[2]);
tx_com(tx_buffer, strlen((char const *)tx_buffer));
}
//温度数据的获取，处理和输出
lis3dh_temp_data_ready_get(&dev_ctx, ®.byte);
if (reg.byte) {
/* Read temperature data */
memset(&data_raw_temperature, 0x00, sizeof(int16_t));
lis3dh_temperature_raw_get(&dev_ctx, &data_raw_temperature);
temperature_degC =
lis3dh_from_lsb_hr_to_celsius(data_raw_temperature);
sprintf((char *)tx_buffer,
"Temperature [degC]:%6.2f\r\n",
temperature_degC);
tx_com(tx_buffer, strlen((char const *)tx_buffer));
}
}
/* 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
*/
if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
{
Error_Handler();
}
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.MSICalibrationValue = 0;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = 1;
RCC_OscInitStruct.PLL.PLLN = 40;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
/* 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 */
#define BUFFER_SIZE 512*3//一组数据（x，y，z）有3个数值
static int16_t data_raw_acceleration[3];
static int16_t data_raw_temperature;
static float acceleration_mg[3];
static float temperature_degC;
static uint8_t whoamI;
static uint8_t tx_buffer[1000];
//参数大小与【data_raw_acceleration】一样的
static int16_t acc_buffer[BUFFER_SIZE]={0};
void fill_accelerometer_buffer(void){
lis3dh_reg_t reg;
for(uint16_t i=0;i<BUFFER_SIZE ;i++){
/* Read output only if new value available */
lis3dh_xl_data_ready_get(&dev_ctx, ®.byte);
if (reg.byte){//New data is available
// lis3dh.read_data(&lis3dh_xyz[0]);
//获取原始数据（未加工）
lis3dh_acceleration_raw_get(&dev_ctx, data_raw_acceleration);
acc_buffer[i]=data_raw_acceleration[0];//存放x轴数据
acc_buffer[i+1]=data_raw_acceleration[1];//存放y轴数据
acc_buffer[i+2]=data_raw_acceleration[2];//存放z轴数据
}else{
i--;//New data not ready
}
}
}
3.printf重定向
最终获取到的数据存放在【acc_buffer】中，因为要将数据通过串口输出给NanoEdge AI 中，所以我们需要将数据输出。【使用printf】
cpp复制代码
#ifdef __GNUC__
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif
/**
* @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 EVAL_COM1 and Loop until the end of transmission */
HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xFFFF);
return ch;
}
/* =============
Copyright (c) 2022, STMicroelectronics
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that
the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote
products derived from this software without specific prior written permission.
*THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER / OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.*
*/
/**
**************************************************************************
* Demo: NanoEdge AI process to include in main program body
*
* @note This program must be completed and customized by the user
**************************************************************************
*/
/* Includes --------------------------------------------------------------------*/
#include "NanoEdgeAI.h"
#include "knowledge.h"
/* Private define --------------------------------------------------------------*/
/* Private variables defined by user -------------------------------------------*/
float input_user_buffer[DATA_INPUT_USER * AXIS_NUMBER]; // Buffer of input values
float output_class_buffer[CLASS_NUMBER]; // Buffer of class probabilities
/* Private function prototypes defined by user ---------------------------------*/
/*
* @brief Collect data process
*
* This function is defined by user, depends on applications and sensors
*
* @param sample_buffer: [in, out] buffer of sample values
* @retval None
* @note If AXIS_NUMBER = 3 (cf NanoEdgeAI.h), the buffer must be
* ordered as follow:
* [x0 y0 z0 x1 y1 z1 ... xn yn zn], where xi, yi and zi
* are the values for x, y and z axes, n is equal to
* DATA_INPUT_USER (cf NanoEdgeAI.h)
*/
void fill_buffer(float sample_buffer[])
{
/* USER BEGIN */
/* USER END */
}
/* -----------------------------------------------------------------------------*/
int main(void)
{
/* Initialization ------------------------------------------------------------*/
enum neai_state error_code = neai_classification_init(knowledge);
if (error_code != NEAI_OK) {
/* This happens if the knowledge does not correspond to the library or if the library works into a not supported board. */
}
/* Classification ------------------------------------------------------------*/
uint16_t id_class = 0;
while (1) {
fill_buffer(input_user_buffer);
neai_classification(input_user_buffer, output_class_buffer, &id_class);
/* USER BEGIN */
/*
* e.g.: Trigger functions depending on id_class
* (print output class probabilities using output_class_buffer[],
* print the name of the identified class using id2class[id_class],
* blink LED, ring alarm, etc.).
*/
/* USER END */
}
}
ACK：表示是数据接收到的响应
