Solved
stm32h750 x-cube-ai , ai_network_create_and_init() code stuck
I have already enabled the CRC IP by adding "__HAL_RCC_CRC_CLK_ENABLE();" before "AI_Init();" but still have the log "ai_network_create error - type=51 code=65"
The following is a part of my main.c file
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2024 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"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "stdio.h"
#include "string.h"
#include "ai_platform.h"
#include "network.h"
#include "network_data.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 */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
CRC_HandleTypeDef hcrc;
UART_HandleTypeDef huart4;
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
static void MX_GPIO_Init(void);
static void MX_CRC_Init(void);
static void MX_FLASH_Init(void);
static void MX_UART4_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
int fputc(int ch, FILE *f)
{
HAL_UART_Transmit(&huart4, (uint8_t *)&ch, 1, 0xffff);
return ch;
}
int fgetc(FILE *f)
{
uint8_t ch = 0;
HAL_UART_Receive(&huart4, &ch, 1, 0xffff);
return ch;
}
ai_handle network;
float aiInData[AI_NETWORK_IN_1_SIZE];
float aiOutData[AI_NETWORK_OUT_1_SIZE];
ai_u8 activations[AI_NETWORK_DATA_ACTIVATIONS_SIZE];
ai_buffer * ai_input;
ai_buffer * ai_output;
static void AI_Init(void);
static void AI_Run(float *pIn, float *pOut);
void PictureCharArrayToFloat(uint8_t *srcBuf,float *dstBuf,int len);
void Uart_send(char * str);
#define UART_BUFF_LEN 1024
#define ONE_FRAME_LEN 1+784+2
uint16_t uart_rx_length = 0;
uint8_t uart_rx_byte = 0;
uint8_t uart_rx_buffer[UART_BUFF_LEN];
volatile uint8_t goRunning = 0;
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Update SystemCoreClock variable according to RCC registers values. */
SystemCoreClockUpdate();
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_CRC_Init();
MX_FLASH_Init();
MX_UART4_Init();
/* USER CODE BEGIN 2 */
__HAL_RCC_CRC_CLK_ENABLE();
AI_Init();
memset(uart_rx_buffer,0,784);
HAL_UART_Receive_IT(&huart4, (uint8_t *)&uart_rx_byte, 1);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
char str[10];
if(goRunning>0)
{
if(uart_rx_length == ONE_FRAME_LEN)
{
PictureCharArrayToFloat(uart_rx_buffer+1,aiInData,28*28);
AI_Run(aiInData, aiOutData);
}
memset(uart_rx_buffer,0,784);
goRunning = 0;
uart_rx_length = 0;
}
}
/* USER CODE END 3 */
}
/**
* @brief CRC Initialization Function
* @PAram None
* @retval None
*/
static void MX_CRC_Init(void)
{
/* USER CODE BEGIN CRC_Init 0 */
/* USER CODE END CRC_Init 0 */
/* USER CODE BEGIN CRC_Init 1 */
/* USER CODE END CRC_Init 1 */
hcrc.Instance = CRC;
hcrc.Init.DefaultPolynomialUse = DEFAULT_POLYNOMIAL_ENABLE;
hcrc.Init.DefaultInitValueUse = DEFAULT_INIT_VALUE_ENABLE;
hcrc.Init.InputDataInversionMode = CRC_INPUTDATA_INVERSION_NONE;
hcrc.Init.OutputDataInversionMode = CRC_OUTPUTDATA_INVERSION_DISABLE;
hcrc.InputDataFormat = CRC_INPUTDATA_FORMAT_BYTES;
if (HAL_CRC_Init(&hcrc) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN CRC_Init 2 */
/* USER CODE END CRC_Init 2 */
}
/**
* @brief FLASH Initialization Function
* @PAram None
* @retval None
*/
static void MX_FLASH_Init(void)
{
/* USER CODE BEGIN FLASH_Init 0 */
/* USER CODE END FLASH_Init 0 */
/* USER CODE BEGIN FLASH_Init 1 */
/* USER CODE END FLASH_Init 1 */
/* USER CODE BEGIN FLASH_Init 2 */
/* USER CODE END FLASH_Init 2 */
}
/**
* @brief UART4 Initialization Function
* @PAram None
* @retval None
*/
static void MX_UART4_Init(void)
{
/* USER CODE BEGIN UART4_Init 0 */
/* USER CODE END UART4_Init 0 */
/* USER CODE BEGIN UART4_Init 1 */
/* USER CODE END UART4_Init 1 */
huart4.Instance = UART4;
huart4.Init.BaudRate = 115200;
huart4.Init.WordLength = UART_WORDLENGTH_8B;
huart4.Init.StopBits = UART_STOPBITS_1;
huart4.Init.Parity = UART_PARITY_NONE;
huart4.Init.Mode = UART_MODE_TX_RX;
huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart4.Init.OverSampling = UART_OVERSAMPLING_16;
huart4.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart4.Init.ClockPrescaler = UART_PRESCALER_DIV1;
huart4.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_UART_Init(&huart4) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_SetTxFifoThreshold(&huart4, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_SetRxFifoThreshold(&huart4, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
{
Error_Handler();
}
if (HAL_UARTEx_DisableFifoMode(&huart4) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN UART4_Init 2 */
/* USER CODE END UART4_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @PAram None
* @retval None
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOM_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}
/* USER CODE BEGIN 4 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *UartHandle)
{
if(goRunning ==0)
{
if (uart_rx_length < UART_BUFF_LEN)
{
uart_rx_buffer[uart_rx_length] = uart_rx_byte;
uart_rx_length++;
if (uart_rx_byte == '\n')
{
goRunning = 1;
}
}
else
{
//rt_kprintf("rx len over");
uart_rx_length = 0;
}
}
HAL_UART_Receive_IT(&huart4, (uint8_t *)&uart_rx_byte, 1);
}
void Uart_send(char * str)
{
HAL_UART_Transmit(&huart4, (uint8_t *)str, strlen(str),0xffff);
}
static void AI_Init(void)
{
ai_error err;
/* Create a local array with the addresses of the activations buffers */
const ai_handle act_addr[] = { activations };
/* Create an instance of the model */
err = ai_network_create_and_init(&network, act_addr, NULL);
if (err.type != AI_ERROR_NONE) {
printf("ai_network_create error - type=%d code=%d\r\n", err.type, err.code);
Error_Handler();
}
ai_input = ai_network_inputs_get(network, NULL);
ai_output = ai_network_outputs_get(network, NULL);
}
static void AI_Run(float *pIn, float *pOut)
{
char logStr[100];
int count = 0;
float max = 0;
ai_i32 batch;
ai_error err;
/* Update IO handlers with the data payload */
ai_input[0].data = AI_HANDLE_PTR(pIn);
ai_output[0].data = AI_HANDLE_PTR(pOut);
batch = ai_network_run(network, ai_input, ai_output);
if (batch != 1) {
err = ai_network_get_error(network);
printf("AI ai_network_run error - type=%d code=%d\r\n", err.type, err.code);
Error_Handler();
}
for (uint32_t i = 0; i < AI_NETWORK_OUT_1_SIZE; i++) {
sprintf(logStr,"%d %8.6f\r\n",i,aiOutData[i]);
Uart_send(logStr);
if(max<aiOutData[i])
{
count = i;
max= aiOutData[i];
}
}
sprintf(logStr,"current number is %d\r\n",count);
Uart_send(logStr);
}
void PictureCharArrayToFloat(uint8_t *srcBuf,float *dstBuf,int len)
{
for(int i=0;i<len;i++)
{
dstBuf[i] = srcBuf[i];//==1?0:1;
}
}
/* 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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