HAL CCB initialization and configuration functions migration

The goal of this page is to show how to migrate the initialization sequence using STM32CubeMX2:

  • Open STM32CubeMX2 CCB configuration panel.

  • Configure the SW layer HAL.

  • Generate the code.

HAL CCB configuration panel

Create a new project with the STM32CubeMX2, then start the initialization.

Project configuration panel

Generated CCB initialization and de-initialization sequences

The CCB initialization sequence is generated in the mx_ccb_init function in mx_ccb.c file under $YOUR_PROJECT_NAME$/$YOUR_PROJECT_NAME$_SW/generated/STM32Cube_CodeGen.

Related concepts:

STM32CubeMX2 Generated : CCB initialization and de-initialization sequences

Topic

Code Snippet HAL1

Code Snippet HAL2

Handle declaration 

CCB_HandleTypeDef hccb;

static hal_ccb_handle_t hCCB;

Initialization sequence 

static void MX_CCB_Init(void)
{
  hccb.Instance = CCB;
 if (HAL_CCB_Init(&hccb) != HAL_OK)
 {
     Error_Handler();
 }
}

void HAL_CCB_MspInit(CCB_HandleTypeDef* hccb)
{
  if(hccb->Instance==CCB)
  {
    __HAL_RCC_CCB_CLK_ENABLE();
    __HAL_RCC_PKA_CLK_ENABLE();
    __HAL_RCC_SAES_CLK_ENABLE();
    __HAL_RCC_RNG_CLK_ENABLE();
  }
 }

hal_ccb_handle_t *mx_ccb_init(void)
{

 if (HAL_CCB_Init(&hCCB, HAL_CCB) != HAL_OK)
 {
    return NULL;
 }






 HAL_RCC_CCB_EnableClock();
 HAL_RCC_PKA_EnableClock();
 HAL_RCC_SAES_EnableClock();
 /* Enable RNG clock is mandatory for SAES */
 HAL_RCC_RNG_EnableClock();

 return &hCCB;
}

Deinitialization sequence 

void HAL_CCB_MspDeInit(CCB_HandleTypeDef* hccb)
{
  if(hccb->Instance==CCB)
  {
     __HAL_RCC_CCB_CLK_DISABLE();
     __HAL_RCC_PKA_CLK_DISABLE();
     __HAL_RCC_SAES_CLK_DISABLE();
     __HAL_RCC_RNG_CLK_DISABLE();
  }
 }

 void mx_ccb_deinit(void)
 {


   HAL_CCB_DeInit(&hCCB);
   HAL_RCC_CCB_Reset();
   HAL_RCC_CCB_DisableClock();
   HAL_RCC_PKA_DisableClock();
}