/**
* @brief DFU_Req_DETACH
* Handles the DFU DETACH request.
* @param pdev: device instance
* @param req: pointer to the request structure.
* @retval None.
*/
static void DFU_Req_DETACH(void *pdev, USB_SETUP_REQ *req)
{
if (DeviceState == STATE_dfuIDLE || DeviceState == STATE_dfuDNLOAD_SYNC
|| DeviceState == STATE_dfuDNLOAD_IDLE || DeviceState == STATE_dfuMANIFEST_SYNC
|| DeviceState == STATE_dfuUPLOAD_IDLE )
{
/* Update the state machine */
DeviceState = STATE_dfuIDLE;
DeviceStatus[0] = STATUS_OK;
DeviceStatus[1] = 0;
DeviceStatus[2] = 0;
DeviceStatus[3] = 0; /*bwPollTimeout=0ms*/
DeviceStatus[4] = DeviceState;
DeviceStatus[5] = 0; /*iString*/
wBlockNum = 0;
wlength = 0;
}
/* Check the detach capability in the DFU functional descriptor */
if ((usbd_dfu_CfgDesc[12 + (9 * USBD_ITF_MAX_NUM)]) & DFU_DETACH_MASK)
{
/* Perform an Attach-Detach operation on USB bus */
DCD_DevDisconnect (pdev);
DCD_DevConnect (pdev);
}
else
{
/* Wait for the period of time specified in Detach request */
USB_OTG_BSP_mDelay (req->wValue);
}
}
/**
* @brief USBD_Init
* Initializes the device stack and load the class driver
* @param pdev: device instance
* @param class_cb: Class callback structure address
* @param usr_cb: User callback structure address
* @retval None
*/
void USBD_Init(USB_CORE_HANDLE *pdev,
USBD_DEVICE *pDevice,
USBD_Class_cb_TypeDef *class_cb,
USBD_Usr_cb_TypeDef *usr_cb)
{
/* Hardware Init */
USB_BSP_Init(pdev);
USBD_DeInit(pdev);
/*Register class and user callbacks */
pdev->dev.class_cb = class_cb;
pdev->dev.usr_cb = usr_cb;
pdev->dev.usr_device = pDevice;
/* Update the serial number string descriptor with the data from the unique ID*/
Get_SerialNum();
/* set USB DEVICE core params */
DCD_Init(pdev);
/* Upon Init call usr callback */
pdev->dev.usr_cb->Init();
/* Enable Interrupts */
USB_BSP_EnableInterrupt(pdev);
/* Enable the pull-up */
#ifdef INTERNAL_PULLUP
DCD_DevConnect(pdev);
#else
USB_BSP_DevConnect(pdev);
#endif
}
static void PIOS_USBHOOK_USR_Init(void)
{
PIOS_USB_ChangeConnectionState(false);
#if 1
/* Force a physical disconnect/reconnect */
DCD_DevDisconnect(&pios_usb_otg_core_handle);
DCD_DevConnect(&pios_usb_otg_core_handle);
#endif
}
/**
* @brief USBD_USR_Init
* Displays the message on LCD for host lib initialization
* @param None
* @retval None
*/
void USBD_USR_Init(void)
{
#if defined( STM32F2XX ) || defined( STM32F4XX )
DCD_DevConnect(&USB_OTG_dev);
#else
USB_DISC_OFF();
#endif
cdcStatus &= ~(CONTROL_LINE_DTR | CONTROL_LINE_RTS);
cdcStatus |= USB_INITIALIZED;
}
void USBPT_Work()
{
if (USBPT_Has_Dev == 0)
{
if (HCD_IsDeviceConnected(&USB_OTG_Core_host) != 0)
{
USBPT_printf("USBPT Device Connecting \r\n");
if (USBH_Open_Channel( &USB_OTG_Core_host,
&(USBPT_Dev->Control.hc_num_in),
0x80,
USBPT_Dev->device_prop.address, // still 0 at this point
USBPT_Dev->device_prop.speed,
EP_TYPE_CTRL,
USBPT_Dev->Control.ep0size) == HC_OK
&&
USBH_Open_Channel( &USB_OTG_Core_host,
&(USBPT_Dev->Control.hc_num_out),
0x00,
USBPT_Dev->device_prop.address, // still 0 at this point
USBPT_Dev->device_prop.speed,
EP_TYPE_CTRL,
USBPT_Dev->Control.ep0size) == HC_OK
) {
DCD_DevConnect(&USB_OTG_Core_dev);
USBPT_Has_Dev = 1;
}
else
{
dbg_printf(DBGMODE_ERR, "USBPT Unable to allocate control EP HC \r\n");
}
}
else
{
return;
}
}
else
{
if (HCD_IsDeviceConnected(&USB_OTG_Core_host) == 0)
{
USBPT_printf("USBPT Device Disconnecting \r\n");
USBD_DeInit(&USB_OTG_Core_dev);
DCD_DevDisconnect(&USB_OTG_Core_dev);
USBPT_Has_Dev = 0;
for (uint8_t i = 0; i < USBPTH_MAX_LISTENERS; i++)
{
USBH_Free_Channel(&USB_OTG_Core_host, &(USBPTH_Listeners[i].hc));
}
USBH_Free_Channel(&USB_OTG_Core_host, &(USBPT_Dev->Control.hc_num_out));
USBH_Free_Channel(&USB_OTG_Core_host, &(USBPT_Dev->Control.hc_num_in));
}
}
for (uint8_t i = 0; i < USBPTH_MAX_LISTENERS; i++)
{
USBPTH_HC_EP_t* pl = &USBPTH_Listeners[i];
int8_t hc = USBPTH_Listeners[i].hc;
if (hc >= 0) // if listener is actually allocated
{
USBH_EpDesc_TypeDef* epDesc = pl->epDesc;
uint8_t epnum = epDesc->bEndpointAddress;
uint8_t epType = 0;
USBPT_GeneralInDataLen = epDesc->wMaxPacketSize;
// try to send read tokens only on even frames
if (USB_OTG_IsEvenFrame(&USB_OTG_Core_host) == 0) continue;
dbg_trace();
// attempt to start the read, check the read type first
if ((epDesc->bmAttributes & USB_EP_TYPE_INTR) == USB_EP_TYPE_INTR) {
epType = EP_TYPE_INTR;
USBH_InterruptReceiveData(&USB_OTG_Core_host, USBPT_GeneralInData, USBPT_GeneralInDataLen, hc);
}
else if ((epDesc->bmAttributes & USB_EP_TYPE_INTR) == USB_EP_TYPE_BULK) {
epType = EP_TYPE_BULK;
USBH_BulkReceiveData(&USB_OTG_Core_host, USBPT_GeneralInData, USBPT_GeneralInDataLen, hc);
}
else if ((epDesc->bmAttributes & USB_EP_TYPE_INTR) == USB_EP_TYPE_ISOC) {
epType = EP_TYPE_ISOC;
USBH_IsocReceiveData(&USB_OTG_Core_host, USBPT_GeneralInData, USBPT_GeneralInDataLen, hc);
}
// now we wait for a reply, or maybe there isn't one
USBH_Status status;
char sent = 0;
delay_1ms_cnt = 100;
do
{
URB_STATE us = HCD_GetURB_State(&USB_OTG_Core_host, hc);
if (us == URB_DONE)
{
// data was indeed received
// print it to the serial port for monitoring
USBPT_printf("USBPT:IN:EP0x%02X:", epnum);
for (uint16_t c = 0; c < USBPT_GeneralInDataLen; c++) {
USBPT_printf(" 0x%02X", USBPT_GeneralInData[c]);
}
USBPT_printf("\r\n");
// relay the data to the host
DCD_EP_Tx(&USB_OTG_Core_dev, epnum, USBPT_GeneralInData, USBPT_GeneralInDataLen);
sent = 1;
break;
}
else if (us == URB_ERROR) {
dbg_printf(DBGMODE_ERR, "DataIn Error on EP 0x%02X \r\n", epnum);
break;
}
else if (us == URB_STALL) {
dbg_printf(DBGMODE_ERR, "DataIn Stalled EP 0x%02X \r\n", epnum);
break;
}
else if (us == URB_NOTREADY) {
// NAK, no data
break;
}
}
while (delay_1ms_cnt > 0);
if (delay_1ms_cnt == 0) {
dbg_printf(DBGMODE_ERR, "DataIn Read Timed Out EP 0x%02X \r\n", epnum);
}
}
}
}
