rooty/LibrePilot
1
0
Fork 0
mirror of https://bitbucket.org/librepilot/librepilot.git synced 2025-01-29 14:52:12 +01:00
Code Issues Releases Activity

f4 usb: don't skip yield from ISR

Browse Source 
Function was returning prior to the code that might
need to yield from within the ISR.
This commit is contained in:
Stacey Sheldon 2012-03-26 23:36:22 -04:00
parent d299230db8
commit 91cffb1809
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
flight/PiOS/STM32F4xx/pios_usb_hid.c
View File

@ -502,13 +502,17 @@ static bool PIOS_USB_HID_EP_OUT_Callback(uint32_t usb_hid_id, uint8_t epnum, uin
uint16_t max_payload_length = PIOS_USB_BOARD_HID_DATA_LENGTH - 2; uint16_t max_payload_length = PIOS_USB_BOARD_HID_DATA_LENGTH - 2;
#endif #endif
bool rc;
if (headroom >= max_payload_length) { if (headroom >= max_payload_length) {
/* We have room for a maximum length message */ /* We have room for a maximum length message */
return true; PIOS_USBHOOK_EndpointRx(usb_hid_dev->cfg->data_rx_ep,
usb_hid_dev->rx_packet_buffer,
sizeof(usb_hid_dev->rx_packet_buffer));
rc = true;
} else { } else {
/* Not enough room left for a message, apply backpressure */ /* Not enough room left for a message, apply backpressure */
usb_hid_dev->rx_active = false; usb_hid_dev->rx_active = false;
return false; rc = false;
} }
#if defined(PIOS_INCLUDE_FREERTOS) #if defined(PIOS_INCLUDE_FREERTOS)
@ -516,6 +520,8 @@ static bool PIOS_USB_HID_EP_OUT_Callback(uint32_t usb_hid_id, uint8_t epnum, uin
vPortYieldFromISR(); vPortYieldFromISR();
} }
#endif /* PIOS_INCLUDE_FREERTOS */ #endif /* PIOS_INCLUDE_FREERTOS */
return rc;
} }
#endif /* PIOS_INCLUDE_USB_HID */ #endif /* PIOS_INCLUDE_USB_HID */