diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/host/usbh.c | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/src/host/usbh.c b/src/host/usbh.c index 58129c16e..ecc672198 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -452,39 +452,28 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) TU_LOG_USBH("on EP %02X with %u bytes: %s\r\n", ep_addr, (unsigned int) event.xfer_complete.len, tu_str_xfer_result[event.xfer_complete.result]); - if (event.dev_addr == 0) - { + if (event.dev_addr == 0) { // device 0 only has control endpoint TU_ASSERT(epnum == 0, ); usbh_control_xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, event.xfer_complete.len); - } - else - { + } else { usbh_device_t* dev = get_device(event.dev_addr); TU_VERIFY(dev && dev->connected, ); dev->ep_status[epnum][ep_dir].busy = 0; dev->ep_status[epnum][ep_dir].claimed = 0; - if ( 0 == epnum ) - { - usbh_control_xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, event.xfer_complete.len); - }else - { - uint8_t drv_id = dev->ep2drv[epnum][ep_dir]; - if(drv_id < USBH_CLASS_DRIVER_COUNT) - { - TU_LOG_USBH("%s xfer callback\r\n", usbh_class_drivers[drv_id].name); - usbh_class_drivers[drv_id].xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, event.xfer_complete.len); - } - else - { -#if CFG_TUH_API_EDPT_XFER - tuh_xfer_cb_t complete_cb = dev->ep_callback[epnum][ep_dir].complete_cb; - if ( complete_cb ) - { - tuh_xfer_t xfer = - { + if ( 0 == epnum ) { + usbh_control_xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, + event.xfer_complete.len); + }else { + // Prefer application callback over built-in one if available. This occurs when tuh_edpt_xfer() is used + // with enabled driver e.g HID endpoint + #if CFG_TUH_API_EDPT_XFER + tuh_xfer_cb_t const complete_cb = dev->ep_callback[epnum][ep_dir].complete_cb; + if ( complete_cb ) { + // re-construct xfer info + tuh_xfer_t xfer = { .daddr = event.dev_addr, .ep_addr = ep_addr, .result = event.xfer_complete.result, @@ -493,16 +482,21 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) .buffer = NULL, // not available .complete_cb = complete_cb, .user_data = dev->ep_callback[epnum][ep_dir].user_data - }; + }; - complete_cb(&xfer); - }else -#endif - { + complete_cb(&xfer); + }else + #endif + { + uint8_t const drv_id = dev->ep2drv[epnum][ep_dir]; + if ( drv_id < USBH_CLASS_DRIVER_COUNT ) { + TU_LOG_USBH("%s xfer callback\r\n", usbh_class_drivers[drv_id].name); + usbh_class_drivers[drv_id].xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, + event.xfer_complete.len); + } else { // no driver/callback responsible for this transfer - TU_ASSERT(false, ); + TU_ASSERT(false,); } - } } } |