ST STM32F2

UM1940
HAL HCD Generic Driver
DocID028236 Rev 2
285/1371
Parameters
hhcd: HCD handle
Return values
HAL: status
HAL_HCD_Stop
Function name
HAL_StatusTypeDef HAL_HCD_Stop (HCD_HandleTypeDef *
hhcd)
Function description
Stop the host driver.
Parameters
hhcd: HCD handle
Return values
HAL: status
HAL_HCD_GetState
Function name
HCD_StateTypeDef HAL_HCD_GetState (HCD_HandleTypeDef
* hhcd)
Function description
Return the HCD handle state.
Parameters
hhcd: HCD handle
Return values
HAL: state
HAL_HCD_HC_GetURBState
Function name
HCD_URBStateTypeDef HAL_HCD_HC_GetURBState
(HCD_HandleTypeDef * hhcd, uint8_t chnum)
Function description
Return URB state for a channel.
Parameters
hhcd: HCD handle
chnum: Channel number. This parameter can be a value
from 1 to 15
Return values
URB: state. This parameter can be one of these values:
URB_IDLE/ URB_DONE/ URB_NOTREADY/ URB_NYET/
URB_ERROR/ URB_STALL
HAL_HCD_HC_GetXferCount
Function name
uint32_t HAL_HCD_HC_GetXferCount (HCD_HandleTypeDef *
hhcd, uint8_t chnum)
Function description
Return the last host transfer size.
Parameters
hhcd: HCD handle
chnum: Channel number. This parameter can be a value
from 1 to 15
Return values
last: transfer size in byte
HAL_HCD_HC_GetState
Function name
HCD_HCStateTypeDef HAL_HCD_HC_GetState
(HCD_HandleTypeDef * hhcd, uint8_t chnum)
Function description
Return the Host Channel state.