STM32G030F6 I2C2 set to slave mode, it can not work fine.

[RSun.1]

I am newer in STM32G030 develop.

I tried to set STM32G030F6 I2C2 slave mode with PC.

Q1.Using "HAL_I2C_Slave_Transmit(); it seems Master (PC) read 8 bytes later and stop. The

other data will not read.

Q2. If used HAL_I2C_Slave_Transmit_IT(), It only write the address +ACK then stop.

The major code is as below. System clock, I2C2 and GPIO setting are base on STM32CubeIDE.

The Slave address is 0xA0. I2C clock 100-400K has the same result.

1. uint32_t i;
2.  
3.  HAL_Init();
4.  
5.  SystemClock_Config();
6.  
7.  /* Initialize all configured peripherals */
8.  MX_GPIO_Init();
9.  MX_I2C2_Init();
10.  /* USER CODE BEGIN 2 */
11.  
12. /* Ram_Table[256], Page_Start=0x800F800 */
13. for(i=0;i<256;i++)
14. {
15. Ram_Table[i] = *((__IO uint8_t *)(Page_Start+i));
16. }
18.  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8, GPIO_PIN_RESET);
19.  HAL_Delay(1000);
20.  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8, GPIO_PIN_SET);
21.  
22.  while (HAL_I2C_Slave_Transmit(&hi2c2, (uint8_t *)Ram_Table, 256, 100) != HAL_OK); <-Q1
23.  
24. /* HAL_I2C_Slave_Transmit_IT(&hi2c2, (uint8_t *)Ram_Table, 256); */ <-Q2
26.  /* USER CODE END 2 */
27.  
28.  static void MX_I2C2_Init(void)
29. {
30.  hi2c2.Instance = I2C2;
31.  hi2c2.Init.Timing = 0x00303D5B;
32.  hi2c2.Init.OwnAddress1 = 0x00A0;
33.  hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
34.  hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
35.  hi2c2.Init.OwnAddress2 = 0;
36.  hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
37.  hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
38.  hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
39.  if (HAL_I2C_Init(&hi2c2) != HAL_OK)
40.  {
41.   Error_Handler();
42.  }
43.  /** Configure Analogue filter
44.  */
45.  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c2, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
46.  {
47.   Error_Handler();
48.  }
49.  /** Configure Digital filter
50.  */
51.  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c2, 0) != HAL_OK)
52.  {
53.   Error_Handler();
54.  }
55. }

cheers,