/**
* @brief Initialize the host driver
* @param hhcd : HCD handle
* @retval HAL state
*/
HAL_StatusTypeDef HAL_HCD_Init(HCD_HandleTypeDef *hhcd)
{
/* Check the HCD handle allocation */
if(hhcd == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_HCD_ALL_INSTANCE(hhcd->Instance));
hhcd->State = HCD_BUSY;
/* Init the low level hardware : GPIO, CLOCK, NVIC... */
HAL_HCD_MspInit(hhcd);
/* Disable the Interrupts */
__HAL_HCD_DISABLE(hhcd);
/*Init the Core (common init.) */
USB_CoreInit(hhcd->Instance, hhcd->Init);
/* Force Host Mode*/
USB_SetCurrentMode(hhcd->Instance , USB_OTG_HOST_MODE);
/* Init Host */
USB_HostInit(hhcd->Instance, hhcd->Init);
hhcd->State= HCD_READY;
return HAL_OK;
}
/**
* @brief DeInitialize the host driver
* @param hhcd : HCD handle
* @retval HAL state
*/
HAL_StatusTypeDef HAL_HCD_DeInit(HCD_HandleTypeDef *hhcd)
{
/* Check the HCD handle allocation */
if(hhcd == NULL)
{
return HAL_ERROR;
}
hhcd->State = HCD_BUSY;
/* DeInit the low level hardware */
HAL_HCD_MspDeInit(hhcd);
__HAL_HCD_DISABLE(hhcd);
hhcd->State = HCD_READY;
return HAL_OK;
}
/**
* @brief Submit a new URB for processing
* @param hhcd: HCD handle
* @param ch_num: Channel number.
* This parameter can be a value from 1 to 15
* @param direction: Channel number.
* This parameter can be one of these values:
* 0 : Output / 1 : Input
* @param ep_type: Endpoint Type.
* This parameter can be one of these values:
* EP_TYPE_CTRL: Control type/
* EP_TYPE_ISOC: Isochronous type/
* EP_TYPE_BULK: Bulk type/
* EP_TYPE_INTR: Interrupt type/
* @param token: Endpoint Type.
* This parameter can be one of these values:
* 0: HC_PID_SETUP / 1: HC_PID_DATA1
* @param pbuff: pointer to URB data
* @param length: Length of URB data
* @param do_ping: activate do ping protocol (for high speed only).
* This parameter can be one of these values:
* 0 : do ping inactive / 1 : do ping active
* @retval HAL status
*/
HAL_StatusTypeDef HAL_HCD_HC_SubmitRequest(HCD_HandleTypeDef *hhcd,
uint8_t ch_num,
uint8_t direction,
uint8_t ep_type,
uint8_t token,
uint8_t* pbuff,
uint16_t length,
uint8_t do_ping)
{
HAL_StatusTypeDef status;
hhcd->hc[ch_num].ep_is_in = direction;
hhcd->hc[ch_num].ep_type = ep_type;
if(token == 0)
{
hhcd->hc[ch_num].data_pid = HC_PID_SETUP;
}
else
{
hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
}
/* Manage Data Toggle */
switch(ep_type)
{
case EP_TYPE_CTRL:
if((token == 1) && (direction == 0)) /*send data */
{
if ( length == 0 )
{ /* For Status OUT stage, Length==0, Status Out PID = 1 */
hhcd->hc[ch_num].toggle_out = 1;
}
/* Set the Data Toggle bit as per the Flag */
if ( hhcd->hc[ch_num].toggle_out == 0)
{ /* Put the PID 0 */
hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
}
else
{ /* Put the PID 1 */
hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
}
if(hhcd->hc[ch_num].urb_state != URB_NOTREADY)
{
hhcd->hc[ch_num].do_ping = do_ping;
}
}
break;
case EP_TYPE_BULK:
if(direction == 0)
{
/* Set the Data Toggle bit as per the Flag */
if ( hhcd->hc[ch_num].toggle_out == 0)
{ /* Put the PID 0 */
hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
}
else
{ /* Put the PID 1 */
hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
}
if(hhcd->hc[ch_num].urb_state != URB_NOTREADY)
{
hhcd->hc[ch_num].do_ping = do_ping;
}
}
else
{
if( hhcd->hc[ch_num].toggle_in == 0)
{
hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
}
else
{
hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
}
}
break;
case EP_TYPE_INTR:
if(direction == 0)
{
/* Set the Data Toggle bit as per the Flag */
if ( hhcd->hc[ch_num].toggle_out == 0)
{ /* Put the PID 0 */
hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
}
else
{ /* Put the PID 1 */
hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
}
}
else
{
if( hhcd->hc[ch_num].toggle_in == 0)
{
hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
}
else
{
hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
}
}
break;
case EP_TYPE_ISOC:
hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
break;
}
hhcd->hc[ch_num].xfer_buff = pbuff;
hhcd->hc[ch_num].xfer_len = length;
hhcd->hc[ch_num].urb_state = URB_IDLE;
hhcd->hc[ch_num].xfer_count = 0;
hhcd->hc[ch_num].ch_num = ch_num;
hhcd->hc[ch_num].state = HC_IDLE;
hc_helper_sumbit_request();
__HAL_HCD_DISABLE(hhcd);
if (!HAL_HCD_ATTACHED(hhcd))
{
USBH_UsrLog("USB_HC_StartXfer run after detached.");
status = HAL_ERROR;
}
else {
status = USB_HC_StartXfer(hhcd->Instance, &(hhcd->hc[ch_num]), hhcd->Init.dma_enable);
}
__HAL_HCD_ENABLE(hhcd);
return status;
}
/**
* @brief This function handles Host Port interrupt requests.
* @param hhcd: HCD handle
* @retval None
*/
static void HCD_Port_IRQHandler (HCD_HandleTypeDef *hhcd)
{
USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
__IO uint32_t hprt0, hprt0_dup;
/* Handle Host Port Interrupts */
hprt0 = USBx_HPRT0;
hprt0_dup = USBx_HPRT0;
hprt0_dup &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
/* Check whether Port Connect Detected */
if((hprt0 & USB_OTG_HPRT_PCDET) == USB_OTG_HPRT_PCDET)
{
if (DebugConfig.print_hcd_event) {
USBH_PutMessage("CONNECT");
}
if((hprt0 & USB_OTG_HPRT_PCSTS) == USB_OTG_HPRT_PCSTS)
{
USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
/* connect callback is used for port up only, now */
// HAL_HCD_Connect_Callback(hhcd);
}
hprt0_dup |= USB_OTG_HPRT_PCDET;
}
/* Check whether Port Enable Changed */
if((hprt0 & USB_OTG_HPRT_PENCHNG) == USB_OTG_HPRT_PENCHNG)
{
hprt0_dup |= USB_OTG_HPRT_PENCHNG;
if((hprt0 & USB_OTG_HPRT_PENA) == USB_OTG_HPRT_PENA)
{
if (DebugConfig.print_hcd_event) {
USBH_PutMessage("PORTUP");
}
if(hhcd->Init.phy_itface == USB_OTG_EMBEDDED_PHY)
{
if ((hprt0 & USB_OTG_HPRT_PSPD) == (HPRT0_PRTSPD_LOW_SPEED << 17))
{
USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_6_MHZ );
}
else
{
USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
}
}
else
{
if(hhcd->Init.speed == HCD_SPEED_FULL)
{
USBx_HOST->HFIR = (uint32_t)60000;
}
}
HAL_HCD_Connect_Callback(hhcd);
if(hhcd->Init.speed == HCD_SPEED_HIGH)
{
USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
}
}
else
{
if (DebugConfig.print_hcd_event) {
USBH_PutMessage("PORTDOWN");
}
/* Cleanup HPRT */
USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
// This is EXTREMELY important to clean up hardware here
// Other ways won't do if DMA is enabled, you got very unstable
// enumeration during disconnect and reconnect
if (DebugConfig.do_nothing_after_port_down)
{
}
else if (DebugConfig.do_only_disable_global_int_after_port_down)
{
__HAL_HCD_DISABLE(hhcd);
}
else
{
HAL_HCD_Stop(hhcd);
}
HAL_HCD_Disconnect_Callback(hhcd);
}
}
/* Check for an overcurrent */
if((hprt0 & USB_OTG_HPRT_POCCHNG) == USB_OTG_HPRT_POCCHNG)
{
hprt0_dup |= USB_OTG_HPRT_POCCHNG;
}
/* Clear Port Interrupts */
USBx_HPRT0 = hprt0_dup;
}