/**
* @brief HAL_PCDEx_LPM_Callback : Send LPM message to user layer
* @param hpcd: PCD handle
* @param msg: LPM message
* @retval HAL status
*/
void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
{
switch ( msg)
{
case PCD_LPM_L0_ACTIVE:
if (hpcd->Init.low_power_enable)
{
SystemClock_Config();
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
}
__HAL_PCD_UNGATE_PHYCLOCK(hpcd);
USBD_LL_Resume(hpcd->pData);
break;
case PCD_LPM_L1_ACTIVE:
__HAL_PCD_GATE_PHYCLOCK(hpcd);
USBD_LL_Suspend(hpcd->pData);
/*Enter in STOP mode */
if (hpcd->Init.low_power_enable)
{
/* Set SLEEPDEEP bit and SleepOnExit of Cortex System Control Register */
SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
}
break;
}
}
/**
* @brief GPIO EXTI Callback function
* Handle remote-wakeup through key button
* @param GPIO_Pin
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if (GPIO_Pin == TAMPER_BUTTON_PIN)
{
if ((((USBD_HandleTypeDef *)hpcd.pData)->dev_remote_wakeup == 1)&&
(((USBD_HandleTypeDef *)hpcd.pData)->dev_state == USBD_STATE_SUSPENDED))
{
if ((&hpcd)->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
SystemClockConfig_STOP();
}
/* Ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
/* Activate Remote wakeup */
HAL_PCD_ActivateRemoteWakeup((&hpcd));
/* Remote wakeup delay */
HAL_Delay(10);
/* Disable Remote wakeup */
HAL_PCD_DeActivateRemoteWakeup((&hpcd));
/* change state to configured */
((USBD_HandleTypeDef *)hpcd.pData)->dev_state = USBD_STATE_CONFIGURED;
/* Change remote_wakeup feature to 0*/
((USBD_HandleTypeDef *)hpcd.pData)->dev_remote_wakeup=0;
}
}
}
/**
* @brief This function handles USB OTG Common FS/HS Wakeup functions.
* @param *pcd_handle for FS or HS
* @retval None
*/
STATIC void OTG_CMD_WKUP_Handler(PCD_HandleTypeDef *pcd_handle) {
if (pcd_handle->Init.low_power_enable) {
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
__HAL_RCC_HSE_CONFIG(RCC_HSE_ON);
/* Wait till HSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
{}
/* Enable the main PLL. */
__HAL_RCC_PLL_ENABLE();
/* Wait till PLL is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
{}
/* Select PLL as SYSCLK */
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK);
while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
{}
/* ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK(pcd_handle);
}
}
/**
* @brief GPIO EXTI Callback function
* Handle remote-wakeup through key button
* @param GPIO_Pin
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if (GPIO_Pin == KEY_BUTTON_PIN)
{
if ((USBD_Device.dev_remote_wakeup == 1)&&(USBD_Device.dev_state == USBD_STATE_SUSPENDED))
{
if ((&hpcd)->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
__HAL_RCC_HSE_CONFIG(RCC_HSE_ON);
/* Wait till HSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
{}
/* Enable the main PLL. */
__HAL_RCC_PLL_ENABLE();
/* Wait till PLL is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
{}
/* Select PLL as SYSCLK */
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK);
/* Wait till system clock switch to PLL */
while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
{}
}
/* ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
/* Activate Remote wakeup */
HAL_PCD_ActiveRemoteWakeup((&hpcd));
/* remote wakeup delay */
HAL_Delay(10);
/* Desactivate Remote wakeup */
HAL_PCD_DeActiveRemoteWakeup((&hpcd));
/* change state to configured */
USBD_Device.dev_state = USBD_STATE_CONFIGURED;
/* change remote_wakeup feature to 0*/
USBD_Device.dev_remote_wakeup=0;
}
}
}
/**
* @brief Resume callback.
When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
{
/* USER CODE BEGIN 3 */
if (hpcd->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
//SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
}
/* USER CODE END 3 */
__HAL_PCD_UNGATE_PHYCLOCK(hpcd);
USBD_LL_Resume(hpcd->pData);
}
/**
* @brief Resume callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
{
if ((hpcd->Init.low_power_enable)&&(remotewakeupon == 0))
{
SystemClockConfig_STOP();
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
}
__HAL_PCD_UNGATE_PHYCLOCK(hpcd);
USBD_LL_Resume(hpcd->pData);
remotewakeupon=0;
}
/**
* @brief This function handles USB OTG FS Wakeup IRQ Handler.
* @param None
* @retval None
*/
void OTG_FS_WKUP_IRQHandler(void)
{
if((&hpcd)->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
/* Configures system clock after wake-up from STOP */
SystemClock_Config();
/* ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
}
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG();
}
void OTG_HS_WKUP_IRQHandler(void)
#endif
{
if((&hpcd)->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
__HAL_RCC_HSE_CONFIG(RCC_HSE_ON);
/* Wait till HSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
{}
/* Enable the main PLL. */
__HAL_RCC_PLL_ENABLE();
/* Wait till PLL is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
{}
/* Select PLL as SYSCLK */
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK);
while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
{}
/* ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
}
#ifdef USE_USB_FS
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG();
#else
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_HS_WAKEUP_EXTI_CLEAR_FLAG();
#endif
}
void OTG_HS_WKUP_IRQHandler(void)
#endif
{
if((&hpcd)->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
SystemClockConfig_STOP();
/* Ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
}
#ifdef USE_USB_FS
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG();
#else
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_HS_WAKEUP_EXTI_CLEAR_FLAG();
#endif
}
void OTG_HS_WKUP_IRQHandler(void)
#endif
{
if((&hpcd)->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
SystemClock_Config();
/* ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
}
#ifdef USE_USB_FS
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG();
#else
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_HS_WAKEUP_EXTI_CLEAR_FLAG();
#endif
}
