/**
* @brief Stop The USB OTG Device.
* @param hpcd: PCD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd)
{
__HAL_LOCK(hpcd);
__HAL_PCD_DISABLE(hpcd);
USB_StopDevice(hpcd->Instance);
USB_DevDisconnect (hpcd->Instance);
__HAL_UNLOCK(hpcd);
return HAL_OK;
}
/**
* @brief Initializes the PCD according to the specified
* parameters in the PCD_InitTypeDef and create the associated handle.
* @param hpcd: PCD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd)
{
uint32_t i = 0;
/* Check the PCD handle allocation */
if(hpcd == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance));
hpcd->State = HAL_PCD_STATE_BUSY;
/* Init the low level hardware : GPIO, CLOCK, NVIC... */
HAL_PCD_MspInit(hpcd);
/* Disable the Interrupts */
__HAL_PCD_DISABLE(hpcd);
/*Init the Core (common init.) */
USB_CoreInit(hpcd->Instance, hpcd->Init);
/* Force Device Mode*/
USB_SetCurrentMode(hpcd->Instance , USB_OTG_DEVICE_MODE);
/* Init endpoints structures */
for (i = 0; i < 15 ; i++)
{
/* Init ep structure */
hpcd->IN_ep[i].is_in = 1;
hpcd->IN_ep[i].num = i;
hpcd->IN_ep[i].tx_fifo_num = i;
/* Control until ep is activated */
hpcd->IN_ep[i].type = EP_TYPE_CTRL;
hpcd->IN_ep[i].maxpacket = 0;
hpcd->IN_ep[i].xfer_buff = 0;
hpcd->IN_ep[i].xfer_len = 0;
}
for (i = 0; i < 15 ; i++)
{
hpcd->OUT_ep[i].is_in = 0;
hpcd->OUT_ep[i].num = i;
hpcd->IN_ep[i].tx_fifo_num = i;
/* Control until ep is activated */
hpcd->OUT_ep[i].type = EP_TYPE_CTRL;
hpcd->OUT_ep[i].maxpacket = 0;
hpcd->OUT_ep[i].xfer_buff = 0;
hpcd->OUT_ep[i].xfer_len = 0;
hpcd->Instance->DIEPTXF[i] = 0;
}
/* Init Device */
USB_DevInit(hpcd->Instance, hpcd->Init);
hpcd->State= HAL_PCD_STATE_READY;
/* Activate LPM */
if (hpcd->Init.lpm_enable == 1)
{
HAL_PCDEx_ActivateLPM(hpcd);
}
USB_DevDisconnect (hpcd->Instance);
return HAL_OK;
}
/**
* @brief Initializes the PCD according to the specified
* parameters in the PCD_InitTypeDef and initialize the associated handle.
* @param hpcd: PCD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd)
{
uint32_t index = 0U;
/* Check the PCD handle allocation */
if(hpcd == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance));
if(hpcd->State == HAL_PCD_STATE_RESET)
{
/* Allocate lock resource and initialize it */
hpcd->Lock = HAL_UNLOCKED;
/* Init the low level hardware : GPIO, CLOCK, NVIC... */
HAL_PCD_MspInit(hpcd);
}
hpcd->State = HAL_PCD_STATE_BUSY;
/* Disable the Interrupts */
__HAL_PCD_DISABLE(hpcd);
/*Init the Core (common init.) */
USB_CoreInit(hpcd->Instance, hpcd->Init);
/* Force Device Mode*/
USB_SetCurrentMode(hpcd->Instance , USB_DEVICE_MODE);
/* Init endpoints structures */
for (index = 0; index < hpcd->Init.dev_endpoints ; index++)
{
/* Init ep structure */
hpcd->IN_ep[index].is_in = 1;
hpcd->IN_ep[index].num = index;
hpcd->IN_ep[index].tx_fifo_num = index;
/* Control until ep is activated */
hpcd->IN_ep[index].type = EP_TYPE_CTRL;
hpcd->IN_ep[index].maxpacket = 0;
hpcd->IN_ep[index].xfer_buff = 0;
hpcd->IN_ep[index].xfer_len = 0;
}
for (index = 0; index < 15 ; index++)
{
hpcd->OUT_ep[index].is_in = 0;
hpcd->OUT_ep[index].num = index;
hpcd->IN_ep[index].tx_fifo_num = index;
/* Control until ep is activated */
hpcd->OUT_ep[index].type = EP_TYPE_CTRL;
hpcd->OUT_ep[index].maxpacket = 0;
hpcd->OUT_ep[index].xfer_buff = 0;
hpcd->OUT_ep[index].xfer_len = 0;
}
/* Init Device */
USB_DevInit(hpcd->Instance, hpcd->Init);
hpcd->USB_Address = 0;
hpcd->State= HAL_PCD_STATE_READY;
/* Activate LPM */
if (hpcd->Init.lpm_enable ==1)
{
HAL_PCDEx_ActivateLPM(hpcd);
}
/* Activate Battery charging */
if (hpcd->Init.battery_charging_enable ==1)
{
HAL_PCDEx_ActivateBCD(hpcd);
}
USB_DevDisconnect (hpcd->Instance);
return HAL_OK;
}
