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stm32-f4discovery-usb: resubmit ACL In if nothing happens

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This commit is contained in:
Matthias Ringwald 2021-01-31 21:33:05 +01:00
parent eaecc60a9c
commit 19da40b0a5
1 changed files with 10 additions and 1 deletions
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11
port/stm32-f4discovery-usb/port/usbh_bluetooth.c
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@ -47,6 +47,7 @@ typedef struct {
uint8_t acl_in_ep;
uint8_t acl_in_pipe;
uint16_t acl_in_len;
uint32_t acl_in_frame;
uint8_t acl_out_ep;
uint8_t acl_out_pipe;
uint16_t acl_out_len;
@ -91,11 +92,11 @@ static uint8_t hci_event[258];
static uint16_t hci_acl_in_offset;
static uint8_t hci_acl_in_buffer[HCI_INCOMING_PRE_BUFFER_SIZE + HCI_ACL_BUFFER_SIZE];
static uint8_t * hci_acl_in_packet = &hci_acl_in_buffer[HCI_INCOMING_PRE_BUFFER_SIZE];
//static uint32_t hci_acl_in_timer;
USBH_StatusTypeDef usbh_bluetooth_start_acl_in_transfer(USBH_HandleTypeDef *phost, USB_Bluetooth_t * usb){
uint16_t acl_in_transfer_size = btstack_min(usb->acl_in_len, HCI_ACL_BUFFER_SIZE - hci_acl_in_offset);
usb->acl_in_frame = phost->Timer;
return USBH_BulkReceiveData(phost, &hci_acl_in_packet[hci_acl_in_offset], acl_in_transfer_size, usb->acl_in_pipe);
}
@ -221,6 +222,7 @@ USBH_StatusTypeDef USBH_Bluetooth_Process(USBH_HandleTypeDef *phost){
case USBH_URB_IDLE:
break;
case USBH_URB_NOTREADY:
usbh_out_state = USBH_OUT_ACL_SEND;
break;
case USBH_URB_DONE:
usbh_out_state = USBH_OUT_IDLE;
@ -280,6 +282,13 @@ USBH_StatusTypeDef USBH_Bluetooth_Process(USBH_HandleTypeDef *phost){
urb_state = USBH_LL_GetURBState(phost, usb->acl_in_pipe);
switch (urb_state){
case USBH_URB_IDLE:
// If state stays IDLE for longer than a full frame, something went wrong with submitting the request,
// just re-submits the request
if ((phost->Timer - usb->acl_in_frame) > 2){
status = usbh_bluetooth_start_acl_in_transfer(phost, usb);
btstack_assert(status == USBH_OK);
}
break;
case USBH_URB_NOTREADY:
break;
case USBH_URB_DONE: