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https://github.com/hathach/tinyusb.git
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Merge pull request #2503 from hathach/tuh-set-config-abort-all-ep
[host] abort all pending transfer when SET_CONFIGURATION is complete
This commit is contained in:
Ha Thach
GitHub
commit
a0e5626bc5
@ -71,7 +71,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_RPI_PIO_USB 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -71,7 +71,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_RPI_PIO_USB 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -76,7 +76,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_RPI_PIO_USB 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -71,7 +71,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_RPI_PIO_USB 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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@ -71,7 +71,7 @@
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#if CFG_TUSB_MCU == OPT_MCU_RP2040
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// #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller
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// #define CFG_TUH_RPI_PIO_USB 1 // use max3421 as host controller
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// #define CFG_TUH_MAX3421 1 // use max3421 as host controller
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// host roothub port is 1 if using either pio-usb or max3421
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#if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
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327
src/host/usbh.c
327
src/host/usbh.c
@ -423,13 +423,11 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) {
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if (!tuh_inited()) return;
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// Loop until there is no more events in the queue
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while (1)
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{
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while (1) {
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hcd_event_t event;
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if (!osal_queue_receive(_usbh_q, &event, timeout_ms)) return;
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switch (event.event_id)
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{
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switch (event.event_id) {
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case HCD_EVENT_DEVICE_ATTACH:
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// due to the shared _usbh_ctrl_buf, we must complete enumerating one device before enumerating another one.
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// TODO better to have an separated queue for newly attached devices
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@ -463,14 +461,12 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) {
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#endif
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break;
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case HCD_EVENT_XFER_COMPLETE:
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{
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case HCD_EVENT_XFER_COMPLETE: {
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uint8_t const ep_addr = event.xfer_complete.ep_addr;
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uint8_t const epnum = tu_edpt_number(ep_addr);
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uint8_t const ep_dir = tu_edpt_dir(ep_addr);
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uint8_t const ep_dir = (uint8_t) tu_edpt_dir(ep_addr);
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TU_LOG_USBH("on EP %02X with %u bytes: %s\r\n", ep_addr, (unsigned int) event.xfer_complete.len,
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tu_str_xfer_result[event.xfer_complete.result]);
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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]);
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if (event.dev_addr == 0) {
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// device 0 only has control endpoint
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@ -484,8 +480,7 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) {
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dev->ep_status[epnum][ep_dir].claimed = 0;
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if (0 == epnum) {
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usbh_control_xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result,
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event.xfer_complete.len);
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usbh_control_xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, event.xfer_complete.len);
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} else {
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// Prefer application callback over built-in one if available. This occurs when tuh_edpt_xfer() is used
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// with enabled driver e.g HID endpoint
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@ -503,35 +498,32 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) {
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.complete_cb = complete_cb,
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.user_data = dev->ep_callback[epnum][ep_dir].user_data
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};
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complete_cb(&xfer);
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}else
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#endif
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{
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uint8_t drv_id = dev->ep2drv[epnum][ep_dir];
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usbh_class_driver_t const* driver = get_driver(drv_id);
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if ( driver )
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{
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if (driver) {
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TU_LOG_USBH("%s xfer callback\r\n", driver->name);
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driver->xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result,
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event.xfer_complete.len);
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}
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else
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{
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} else {
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// no driver/callback responsible for this transfer
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TU_ASSERT(false,);
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}
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}
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}
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}
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}
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break;
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}
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case USBH_EVENT_FUNC_CALL:
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if (event.func_call.func) event.func_call.func(event.func_call.param);
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break;
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default: break;
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default:
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break;
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}
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#if CFG_TUSB_OS != OPT_OS_NONE && CFG_TUSB_OS != OPT_OS_PICO
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@ -629,7 +621,7 @@ TU_ATTR_ALWAYS_INLINE static inline void _set_control_xfer_stage(uint8_t stage)
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(void) osal_mutex_unlock(_usbh_mutex);
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}
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static void _xfer_complete(uint8_t daddr, xfer_result_t result) {
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static void _control_xfer_complete(uint8_t daddr, xfer_result_t result) {
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TU_LOG_USBH("\r\n");
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// duplicate xfer since user can execute control transfer within callback
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@ -652,32 +644,32 @@ static void _xfer_complete(uint8_t daddr, xfer_result_t result) {
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}
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}
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static bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) {
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static bool usbh_control_xfer_cb (uint8_t daddr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) {
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(void) ep_addr;
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const uint8_t rhport = usbh_get_rhport(dev_addr);
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const uint8_t rhport = usbh_get_rhport(daddr);
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tusb_control_request_t const * request = &_ctrl_xfer.request;
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if (XFER_RESULT_SUCCESS != result) {
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TU_LOG_USBH("[%u:%u] Control %s, xferred_bytes = %lu\r\n", rhport, dev_addr, result == XFER_RESULT_STALLED ? "STALLED" : "FAILED", xferred_bytes);
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TU_LOG_USBH("[%u:%u] Control %s, xferred_bytes = %lu\r\n", rhport, daddr, result == XFER_RESULT_STALLED ? "STALLED" : "FAILED", xferred_bytes);
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TU_LOG_BUF_USBH(request, 8);
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// terminate transfer if any stage failed
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_xfer_complete(dev_addr, result);
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_control_xfer_complete(daddr, result);
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}else {
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switch(_ctrl_xfer.stage) {
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case CONTROL_STAGE_SETUP:
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if (request->wLength) {
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// DATA stage: initial data toggle is always 1
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_set_control_xfer_stage(CONTROL_STAGE_DATA);
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TU_ASSERT( hcd_edpt_xfer(rhport, dev_addr, tu_edpt_addr(0, request->bmRequestType_bit.direction), _ctrl_xfer.buffer, request->wLength) );
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TU_ASSERT( hcd_edpt_xfer(rhport, daddr, tu_edpt_addr(0, request->bmRequestType_bit.direction), _ctrl_xfer.buffer, request->wLength) );
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return true;
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}
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TU_ATTR_FALLTHROUGH;
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case CONTROL_STAGE_DATA:
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if (request->wLength) {
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TU_LOG_USBH("[%u:%u] Control data:\r\n", rhport, dev_addr);
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TU_LOG_USBH("[%u:%u] Control data:\r\n", rhport, daddr);
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TU_LOG_MEM_USBH(_ctrl_xfer.buffer, xferred_bytes, 2);
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}
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@ -685,12 +677,23 @@ static bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result
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// ACK stage: toggle is always 1
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_set_control_xfer_stage(CONTROL_STAGE_ACK);
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TU_ASSERT( hcd_edpt_xfer(rhport, dev_addr, tu_edpt_addr(0, 1-request->bmRequestType_bit.direction), NULL, 0) );
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TU_ASSERT( hcd_edpt_xfer(rhport, daddr, tu_edpt_addr(0, 1 - request->bmRequestType_bit.direction), NULL, 0) );
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break;
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case CONTROL_STAGE_ACK:
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_xfer_complete(dev_addr, result);
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case CONTROL_STAGE_ACK: {
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// Abort all pending transfers if SET_CONFIGURATION request
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// NOTE: should we force closing all non-control endpoints in the future?
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if (request->bRequest == TUSB_REQ_SET_CONFIGURATION && request->bmRequestType == 0x00) {
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for(uint8_t epnum=1; epnum<CFG_TUH_ENDPOINT_MAX; epnum++) {
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for(uint8_t dir=0; dir<2; dir++) {
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tuh_edpt_abort_xfer(daddr, tu_edpt_addr(epnum, dir));
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}
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}
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}
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_control_xfer_complete(daddr, result);
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break;
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}
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default: return false;
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}
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@ -708,7 +711,6 @@ bool tuh_edpt_xfer(tuh_xfer_t* xfer) {
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uint8_t const ep_addr = xfer->ep_addr;
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TU_VERIFY(daddr && ep_addr);
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TU_VERIFY(usbh_edpt_claim(daddr, ep_addr));
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if (!usbh_edpt_xfer_with_callback(daddr, ep_addr, xfer->buffer, (uint16_t) xfer->buflen,
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@ -741,7 +743,7 @@ bool tuh_edpt_abort_xfer(uint8_t daddr, uint8_t ep_addr) {
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TU_VERIFY(hcd_edpt_abort_xfer(dev->rhport, daddr, ep_addr));
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// mark as ready and release endpoint if transfer is aborted
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dev->ep_status[epnum][dir].busy = false;
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usbh_edpt_release(daddr, ep_addr);
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tu_edpt_release(&dev->ep_status[epnum][dir], _usbh_mutex);
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}
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return true;
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@ -783,8 +785,7 @@ void usbh_defer_func(osal_task_func_t func, void *param, bool in_isr) {
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//--------------------------------------------------------------------+
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// Claim an endpoint for transfer
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bool usbh_edpt_claim(uint8_t dev_addr, uint8_t ep_addr)
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{
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bool usbh_edpt_claim(uint8_t dev_addr, uint8_t ep_addr) {
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// Note: addr0 only use tuh_control_xfer
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usbh_device_t* dev = get_device(dev_addr);
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TU_ASSERT(dev && dev->connected);
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@ -799,8 +800,7 @@ bool usbh_edpt_claim(uint8_t dev_addr, uint8_t ep_addr)
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}
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// Release an claimed endpoint due to failed transfer attempt
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bool usbh_edpt_release(uint8_t dev_addr, uint8_t ep_addr)
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{
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bool usbh_edpt_release(uint8_t dev_addr, uint8_t ep_addr) {
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// Note: addr0 only use tuh_control_xfer
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usbh_device_t* dev = get_device(dev_addr);
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TU_VERIFY(dev && dev->connected);
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@ -817,8 +817,7 @@ bool usbh_edpt_release(uint8_t dev_addr, uint8_t ep_addr)
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// Submit an transfer
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// TODO call usbh_edpt_release if failed
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bool usbh_edpt_xfer_with_callback(uint8_t dev_addr, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes,
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tuh_xfer_cb_t complete_cb, uintptr_t user_data)
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{
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tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
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(void) complete_cb;
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(void) user_data;
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@ -843,12 +842,10 @@ bool usbh_edpt_xfer_with_callback(uint8_t dev_addr, uint8_t ep_addr, uint8_t * b
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dev->ep_callback[epnum][dir].user_data = user_data;
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#endif
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if ( hcd_edpt_xfer(dev->rhport, dev_addr, ep_addr, buffer, total_bytes) )
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{
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if (hcd_edpt_xfer(dev->rhport, dev_addr, ep_addr, buffer, total_bytes)) {
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TU_LOG_USBH("OK\r\n");
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return true;
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}else
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{
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} else {
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// HCD error, mark endpoint as ready to allow next transfer
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ep_state->busy = 0;
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ep_state->claimed = 0;
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@ -858,12 +855,9 @@ bool usbh_edpt_xfer_with_callback(uint8_t dev_addr, uint8_t ep_addr, uint8_t * b
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}
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}
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static bool usbh_edpt_control_open(uint8_t dev_addr, uint8_t max_packet_size)
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{
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static bool usbh_edpt_control_open(uint8_t dev_addr, uint8_t max_packet_size) {
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TU_LOG_USBH("[%u:%u] Open EP0 with Size = %u\r\n", usbh_get_rhport(dev_addr), dev_addr, max_packet_size);
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tusb_desc_endpoint_t ep0_desc =
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{
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tusb_desc_endpoint_t ep0_desc = {
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.bLength = sizeof(tusb_desc_endpoint_t),
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.bDescriptorType = TUSB_DESC_ENDPOINT,
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.bEndpointAddress = 0,
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@ -875,10 +869,8 @@ static bool usbh_edpt_control_open(uint8_t dev_addr, uint8_t max_packet_size)
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return hcd_edpt_open(usbh_get_rhport(dev_addr), dev_addr, &ep0_desc);
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}
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bool tuh_edpt_open(uint8_t dev_addr, tusb_desc_endpoint_t const * desc_ep)
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{
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bool tuh_edpt_open(uint8_t dev_addr, tusb_desc_endpoint_t const* desc_ep) {
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TU_ASSERT(tu_edpt_validate(desc_ep, tuh_speed_get(dev_addr)));
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return hcd_edpt_open(usbh_get_rhport(dev_addr), dev_addr, desc_ep);
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}
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@ -896,18 +888,14 @@ bool usbh_edpt_busy(uint8_t dev_addr, uint8_t ep_addr) {
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// HCD Event Handler
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//--------------------------------------------------------------------+
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void hcd_devtree_get_info(uint8_t dev_addr, hcd_devtree_info_t* devtree_info)
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{
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void hcd_devtree_get_info(uint8_t dev_addr, hcd_devtree_info_t* devtree_info) {
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usbh_device_t const* dev = get_device(dev_addr);
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if (dev)
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{
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if (dev) {
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devtree_info->rhport = dev->rhport;
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devtree_info->hub_addr = dev->hub_addr;
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devtree_info->hub_port = dev->hub_port;
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devtree_info->speed = dev->speed;
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}else
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{
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} else {
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devtree_info->rhport = _dev0.rhport;
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devtree_info->hub_addr = _dev0.hub_addr;
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devtree_info->hub_port = _dev0.hub_port;
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@ -941,12 +929,9 @@ TU_ATTR_FAST_FUNC void hcd_event_handler(hcd_event_t const* event, bool in_isr)
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// generic helper to get a descriptor
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// if blocking, user_data is pointed to xfer_result
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static bool _get_descriptor(uint8_t daddr, uint8_t type, uint8_t index, uint16_t language_id, void* buffer, uint16_t len,
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tuh_xfer_cb_t complete_cb, uintptr_t user_data)
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{
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tusb_control_request_t const request =
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{
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.bmRequestType_bit =
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{
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tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
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tusb_control_request_t const request = {
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.bmRequestType_bit = {
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.recipient = TUSB_REQ_RCPT_DEVICE,
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.type = TUSB_REQ_TYPE_STANDARD,
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.direction = TUSB_DIR_IN
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@ -956,9 +941,7 @@ static bool _get_descriptor(uint8_t daddr, uint8_t type, uint8_t index, uint16_t
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.wIndex = tu_htole16(language_id),
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.wLength = tu_htole16(len)
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};
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tuh_xfer_t xfer =
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{
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tuh_xfer_t xfer = {
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.daddr = daddr,
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.ep_addr = 0,
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.setup = &request,
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@ -971,29 +954,25 @@ static bool _get_descriptor(uint8_t daddr, uint8_t type, uint8_t index, uint16_t
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}
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bool tuh_descriptor_get(uint8_t daddr, uint8_t type, uint8_t index, void* buffer, uint16_t len,
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tuh_xfer_cb_t complete_cb, uintptr_t user_data)
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{
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tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
return _get_descriptor(daddr, type, index, 0x0000, buffer, len, complete_cb, user_data);
|
||||
}
|
||||
|
||||
bool tuh_descriptor_get_device(uint8_t daddr, void* buffer, uint16_t len,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
len = tu_min16(len, sizeof(tusb_desc_device_t));
|
||||
return tuh_descriptor_get(daddr, TUSB_DESC_DEVICE, 0, buffer, len, complete_cb, user_data);
|
||||
}
|
||||
|
||||
bool tuh_descriptor_get_configuration(uint8_t daddr, uint8_t index, void* buffer, uint16_t len,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
return tuh_descriptor_get(daddr, TUSB_DESC_CONFIGURATION, index, buffer, len, complete_cb, user_data);
|
||||
}
|
||||
|
||||
//------------- String Descriptor -------------//
|
||||
|
||||
bool tuh_descriptor_get_string(uint8_t daddr, uint8_t index, uint16_t language_id, void* buffer, uint16_t len,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
return _get_descriptor(daddr, TUSB_DESC_STRING, index, language_id, buffer, len, complete_cb, user_data);
|
||||
}
|
||||
|
||||
@ -1008,8 +987,7 @@ bool tuh_descriptor_get_manufacturer_string(uint8_t daddr, uint16_t language_id,
|
||||
|
||||
// Get product string descriptor
|
||||
bool tuh_descriptor_get_product_string(uint8_t daddr, uint16_t language_id, void* buffer, uint16_t len,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
usbh_device_t const* dev = get_device(daddr);
|
||||
TU_VERIFY(dev && dev->i_product);
|
||||
return tuh_descriptor_get_string(daddr, dev->i_product, language_id, buffer, len, complete_cb, user_data);
|
||||
@ -1017,8 +995,7 @@ bool tuh_descriptor_get_product_string(uint8_t daddr, uint16_t language_id, void
|
||||
|
||||
// Get serial string descriptor
|
||||
bool tuh_descriptor_get_serial_string(uint8_t daddr, uint16_t language_id, void* buffer, uint16_t len,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
usbh_device_t const* dev = get_device(daddr);
|
||||
TU_VERIFY(dev && dev->i_serial);
|
||||
return tuh_descriptor_get_string(daddr, dev->i_serial, language_id, buffer, len, complete_cb, user_data);
|
||||
@ -1027,13 +1004,10 @@ bool tuh_descriptor_get_serial_string(uint8_t daddr, uint16_t language_id, void*
|
||||
// Get HID report descriptor
|
||||
// if blocking, user_data is pointed to xfer_result
|
||||
bool tuh_descriptor_get_hid_report(uint8_t daddr, uint8_t itf_num, uint8_t desc_type, uint8_t index, void* buffer, uint16_t len,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
TU_LOG_USBH("HID Get Report Descriptor\r\n");
|
||||
tusb_control_request_t const request =
|
||||
{
|
||||
.bmRequestType_bit =
|
||||
{
|
||||
tusb_control_request_t const request = {
|
||||
.bmRequestType_bit = {
|
||||
.recipient = TUSB_REQ_RCPT_INTERFACE,
|
||||
.type = TUSB_REQ_TYPE_STANDARD,
|
||||
.direction = TUSB_DIR_IN
|
||||
@ -1043,9 +1017,7 @@ bool tuh_descriptor_get_hid_report(uint8_t daddr, uint8_t itf_num, uint8_t desc_
|
||||
.wIndex = tu_htole16((uint16_t) itf_num),
|
||||
.wLength = len
|
||||
};
|
||||
|
||||
tuh_xfer_t xfer =
|
||||
{
|
||||
tuh_xfer_t xfer = {
|
||||
.daddr = daddr,
|
||||
.ep_addr = 0,
|
||||
.setup = &request,
|
||||
@ -1058,14 +1030,10 @@ bool tuh_descriptor_get_hid_report(uint8_t daddr, uint8_t itf_num, uint8_t desc_
|
||||
}
|
||||
|
||||
bool tuh_configuration_set(uint8_t daddr, uint8_t config_num,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
TU_LOG_USBH("Set Configuration = %d\r\n", config_num);
|
||||
|
||||
tusb_control_request_t const request =
|
||||
{
|
||||
.bmRequestType_bit =
|
||||
{
|
||||
tusb_control_request_t const request = {
|
||||
.bmRequestType_bit = {
|
||||
.recipient = TUSB_REQ_RCPT_DEVICE,
|
||||
.type = TUSB_REQ_TYPE_STANDARD,
|
||||
.direction = TUSB_DIR_OUT
|
||||
@ -1075,9 +1043,7 @@ bool tuh_configuration_set(uint8_t daddr, uint8_t config_num,
|
||||
.wIndex = 0,
|
||||
.wLength = 0
|
||||
};
|
||||
|
||||
tuh_xfer_t xfer =
|
||||
{
|
||||
tuh_xfer_t xfer = {
|
||||
.daddr = daddr,
|
||||
.ep_addr = 0,
|
||||
.setup = &request,
|
||||
@ -1090,14 +1056,10 @@ bool tuh_configuration_set(uint8_t daddr, uint8_t config_num,
|
||||
}
|
||||
|
||||
bool tuh_interface_set(uint8_t daddr, uint8_t itf_num, uint8_t itf_alt,
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
|
||||
{
|
||||
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
|
||||
TU_LOG_USBH("Set Interface %u Alternate %u\r\n", itf_num, itf_alt);
|
||||
|
||||
tusb_control_request_t const request =
|
||||
{
|
||||
.bmRequestType_bit =
|
||||
{
|
||||
tusb_control_request_t const request = {
|
||||
.bmRequestType_bit = {
|
||||
.recipient = TUSB_REQ_RCPT_DEVICE,
|
||||
.type = TUSB_REQ_TYPE_STANDARD,
|
||||
.direction = TUSB_DIR_OUT
|
||||
@ -1107,9 +1069,7 @@ bool tuh_interface_set(uint8_t daddr, uint8_t itf_num, uint8_t itf_alt,
|
||||
.wIndex = tu_htole16(itf_num),
|
||||
.wLength = 0
|
||||
};
|
||||
|
||||
tuh_xfer_t xfer =
|
||||
{
|
||||
tuh_xfer_t xfer = {
|
||||
.daddr = daddr,
|
||||
.ep_addr = 0,
|
||||
.setup = &request,
|
||||
@ -1174,9 +1134,7 @@ uint8_t tuh_descriptor_get_serial_string_sync(uint8_t daddr, uint16_t language_i
|
||||
// Detaching
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
TU_ATTR_ALWAYS_INLINE
|
||||
static inline bool is_hub_addr(uint8_t daddr)
|
||||
{
|
||||
TU_ATTR_ALWAYS_INLINE static inline bool is_hub_addr(uint8_t daddr) {
|
||||
return (CFG_TUH_HUB > 0) && (daddr > CFG_TUH_DEVICE_MAX);
|
||||
}
|
||||
|
||||
@ -1201,8 +1159,7 @@ static inline bool is_hub_addr(uint8_t daddr)
|
||||
//}
|
||||
|
||||
// a device unplugged from rhport:hub_addr:hub_port
|
||||
static void process_removing_device(uint8_t rhport, uint8_t hub_addr, uint8_t hub_port)
|
||||
{
|
||||
static void process_removing_device(uint8_t rhport, uint8_t hub_addr, uint8_t hub_port) {
|
||||
//------------- find the all devices (star-network) under port that is unplugged -------------//
|
||||
// TODO mark as disconnected in ISR, also handle dev0
|
||||
|
||||
@ -1217,8 +1174,7 @@ static void process_removing_device(uint8_t rhport, uint8_t hub_addr, uint8_t hu
|
||||
uint8_t nop_count = 0;
|
||||
#endif
|
||||
|
||||
for (uint8_t dev_id = 0; dev_id < TOTAL_DEVICES; dev_id++)
|
||||
{
|
||||
for (uint8_t dev_id = 0; dev_id < TOTAL_DEVICES; dev_id++) {
|
||||
usbh_device_t *dev = &_usbh_devices[dev_id];
|
||||
uint8_t const daddr = dev_id + 1;
|
||||
|
||||
@ -1325,18 +1281,15 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
uint8_t const daddr = xfer->daddr;
|
||||
uintptr_t const state = xfer->user_data;
|
||||
|
||||
switch(state)
|
||||
{
|
||||
switch (state) {
|
||||
#if CFG_TUH_HUB
|
||||
//case ENUM_HUB_GET_STATUS_1: break;
|
||||
|
||||
case ENUM_HUB_CLEAR_RESET_1:
|
||||
{
|
||||
case ENUM_HUB_CLEAR_RESET_1: {
|
||||
hub_port_status_response_t port_status;
|
||||
memcpy(&port_status, _usbh_ctrl_buf, sizeof(hub_port_status_response_t));
|
||||
|
||||
if ( !port_status.status.connection )
|
||||
{
|
||||
if (!port_status.status.connection) {
|
||||
// device unplugged while delaying, nothing else to do
|
||||
enum_full_complete();
|
||||
return;
|
||||
@ -1346,51 +1299,50 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
(port_status.status.low_speed) ? TUSB_SPEED_LOW : TUSB_SPEED_FULL;
|
||||
|
||||
// Acknowledge Port Reset Change
|
||||
if (port_status.change.reset)
|
||||
{
|
||||
hub_port_clear_reset_change(_dev0.hub_addr, _dev0.hub_port, process_enumeration, ENUM_ADDR0_DEVICE_DESC);
|
||||
}
|
||||
if (port_status.change.reset) {
|
||||
hub_port_clear_reset_change(_dev0.hub_addr, _dev0.hub_port,
|
||||
process_enumeration, ENUM_ADDR0_DEVICE_DESC);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case ENUM_HUB_GET_STATUS_2:
|
||||
osal_task_delay(ENUM_RESET_DELAY);
|
||||
TU_ASSERT( hub_port_get_status(_dev0.hub_addr, _dev0.hub_port, _usbh_ctrl_buf, process_enumeration, ENUM_HUB_CLEAR_RESET_2), );
|
||||
TU_ASSERT(hub_port_get_status(_dev0.hub_addr, _dev0.hub_port, _usbh_ctrl_buf,
|
||||
process_enumeration, ENUM_HUB_CLEAR_RESET_2),);
|
||||
break;
|
||||
|
||||
case ENUM_HUB_CLEAR_RESET_2:
|
||||
{
|
||||
case ENUM_HUB_CLEAR_RESET_2: {
|
||||
hub_port_status_response_t port_status;
|
||||
memcpy(&port_status, _usbh_ctrl_buf, sizeof(hub_port_status_response_t));
|
||||
|
||||
// Acknowledge Port Reset Change if Reset Successful
|
||||
if (port_status.change.reset)
|
||||
{
|
||||
TU_ASSERT( hub_port_clear_reset_change(_dev0.hub_addr, _dev0.hub_port, process_enumeration, ENUM_SET_ADDR), );
|
||||
}
|
||||
if (port_status.change.reset) {
|
||||
TU_ASSERT(hub_port_clear_reset_change(_dev0.hub_addr, _dev0.hub_port,
|
||||
process_enumeration, ENUM_SET_ADDR),);
|
||||
}
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
|
||||
case ENUM_ADDR0_DEVICE_DESC:
|
||||
{
|
||||
case ENUM_ADDR0_DEVICE_DESC: {
|
||||
// TODO probably doesn't need to open/close each enumeration
|
||||
uint8_t const addr0 = 0;
|
||||
TU_ASSERT(usbh_edpt_control_open(addr0, 8),);
|
||||
|
||||
// Get first 8 bytes of device descriptor for Control Endpoint size
|
||||
TU_LOG_USBH("Get 8 byte of Device Descriptor\r\n");
|
||||
TU_ASSERT(tuh_descriptor_get_device(addr0, _usbh_ctrl_buf, 8, process_enumeration, ENUM_SET_ADDR), );
|
||||
}
|
||||
TU_ASSERT(tuh_descriptor_get_device(addr0, _usbh_ctrl_buf, 8,
|
||||
process_enumeration, ENUM_SET_ADDR),);
|
||||
break;
|
||||
}
|
||||
|
||||
#if 0
|
||||
case ENUM_RESET_2:
|
||||
// TODO not used by now, but may be needed for some devices !?
|
||||
// Reset device again before Set Address
|
||||
TU_LOG_USBH("Port reset2 \r\n");
|
||||
if (_dev0.hub_addr == 0)
|
||||
{
|
||||
if (_dev0.hub_addr == 0) {
|
||||
// connected directly to roothub
|
||||
hcd_port_reset( _dev0.rhport );
|
||||
osal_task_delay(RESET_DELAY); // TODO may not work for no-OS on MCU that require reset_end() since
|
||||
@ -1399,10 +1351,10 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
// TODO: fall through to SET ADDRESS, refactor later
|
||||
}
|
||||
#if CFG_TUH_HUB
|
||||
else
|
||||
{
|
||||
else {
|
||||
// after RESET_DELAY the hub_port_reset() already complete
|
||||
TU_ASSERT( hub_port_reset(_dev0.hub_addr, _dev0.hub_port, process_enumeration, ENUM_HUB_GET_STATUS_2), );
|
||||
TU_ASSERT( hub_port_reset(_dev0.hub_addr, _dev0.hub_port,
|
||||
process_enumeration, ENUM_HUB_GET_STATUS_2), );
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
@ -1413,8 +1365,7 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
enum_request_set_addr();
|
||||
break;
|
||||
|
||||
case ENUM_GET_DEVICE_DESC:
|
||||
{
|
||||
case ENUM_GET_DEVICE_DESC: {
|
||||
uint8_t const new_addr = (uint8_t) tu_le16toh(xfer->setup->wValue);
|
||||
|
||||
usbh_device_t* new_dev = get_device(new_addr);
|
||||
@ -1429,12 +1380,12 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
|
||||
// Get full device descriptor
|
||||
TU_LOG_USBH("Get Device Descriptor\r\n");
|
||||
TU_ASSERT(tuh_descriptor_get_device(new_addr, _usbh_ctrl_buf, sizeof(tusb_desc_device_t), process_enumeration, ENUM_GET_9BYTE_CONFIG_DESC), );
|
||||
}
|
||||
TU_ASSERT(tuh_descriptor_get_device(new_addr, _usbh_ctrl_buf, sizeof(tusb_desc_device_t),
|
||||
process_enumeration, ENUM_GET_9BYTE_CONFIG_DESC),);
|
||||
break;
|
||||
}
|
||||
|
||||
case ENUM_GET_9BYTE_CONFIG_DESC:
|
||||
{
|
||||
case ENUM_GET_9BYTE_CONFIG_DESC: {
|
||||
tusb_desc_device_t const* desc_device = (tusb_desc_device_t const*) _usbh_ctrl_buf;
|
||||
usbh_device_t* dev = get_device(daddr);
|
||||
TU_ASSERT(dev,);
|
||||
@ -1450,16 +1401,17 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
// Get 9-byte for total length
|
||||
uint8_t const config_idx = CONFIG_NUM - 1;
|
||||
TU_LOG_USBH("Get Configuration[0] Descriptor (9 bytes)\r\n");
|
||||
TU_ASSERT( tuh_descriptor_get_configuration(daddr, config_idx, _usbh_ctrl_buf, 9, process_enumeration, ENUM_GET_FULL_CONFIG_DESC), );
|
||||
}
|
||||
TU_ASSERT(tuh_descriptor_get_configuration(daddr, config_idx, _usbh_ctrl_buf, 9,
|
||||
process_enumeration, ENUM_GET_FULL_CONFIG_DESC),);
|
||||
break;
|
||||
}
|
||||
|
||||
case ENUM_GET_FULL_CONFIG_DESC:
|
||||
{
|
||||
case ENUM_GET_FULL_CONFIG_DESC: {
|
||||
uint8_t const* desc_config = _usbh_ctrl_buf;
|
||||
|
||||
// Use offsetof to avoid pointer to the odd/misaligned address
|
||||
uint16_t const total_len = tu_le16toh( tu_unaligned_read16(desc_config + offsetof(tusb_desc_configuration_t, wTotalLength)) );
|
||||
uint16_t const total_len = tu_le16toh(
|
||||
tu_unaligned_read16(desc_config + offsetof(tusb_desc_configuration_t, wTotalLength)));
|
||||
|
||||
// TODO not enough buffer to hold configuration descriptor
|
||||
TU_ASSERT(total_len <= CFG_TUH_ENUMERATION_BUFSIZE,);
|
||||
@ -1467,33 +1419,33 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
// Get full configuration descriptor
|
||||
uint8_t const config_idx = CONFIG_NUM - 1;
|
||||
TU_LOG_USBH("Get Configuration[0] Descriptor\r\n");
|
||||
TU_ASSERT( tuh_descriptor_get_configuration(daddr, config_idx, _usbh_ctrl_buf, total_len, process_enumeration, ENUM_SET_CONFIG), );
|
||||
}
|
||||
TU_ASSERT(tuh_descriptor_get_configuration(daddr, config_idx, _usbh_ctrl_buf, total_len,
|
||||
process_enumeration, ENUM_SET_CONFIG),);
|
||||
break;
|
||||
}
|
||||
|
||||
case ENUM_SET_CONFIG:
|
||||
// Parse configuration & set up drivers
|
||||
// Driver open aren't allowed to make any usb transfer yet
|
||||
TU_ASSERT( _parse_configuration_descriptor(daddr, (tusb_desc_configuration_t*) _usbh_ctrl_buf), );
|
||||
|
||||
TU_ASSERT(tuh_configuration_set(daddr, CONFIG_NUM, process_enumeration, ENUM_CONFIG_DRIVER),);
|
||||
break;
|
||||
|
||||
case ENUM_CONFIG_DRIVER:
|
||||
{
|
||||
case ENUM_CONFIG_DRIVER: {
|
||||
TU_LOG_USBH("Device configured\r\n");
|
||||
usbh_device_t* dev = get_device(daddr);
|
||||
TU_ASSERT(dev,);
|
||||
|
||||
dev->configured = 1;
|
||||
|
||||
// Parse configuration & set up drivers
|
||||
// driver_open() must not make any usb transfer
|
||||
TU_ASSERT(_parse_configuration_descriptor(daddr, (tusb_desc_configuration_t*) _usbh_ctrl_buf),);
|
||||
|
||||
// Start the Set Configuration process for interfaces (itf = TUSB_INDEX_INVALID_8)
|
||||
// Since driver can perform control transfer within its set_config, this is done asynchronously.
|
||||
// The process continue with next interface when class driver complete its sequence with usbh_driver_set_config_complete()
|
||||
// TODO use separated API instead of using TUSB_INDEX_INVALID_8
|
||||
usbh_driver_set_config_complete(daddr, TUSB_INDEX_INVALID_8);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
// stop enumeration if unknown state
|
||||
@ -1502,14 +1454,12 @@ static void process_enumeration(tuh_xfer_t* xfer) {
|
||||
}
|
||||
}
|
||||
|
||||
static bool enum_new_device(hcd_event_t* event)
|
||||
{
|
||||
static bool enum_new_device(hcd_event_t* event) {
|
||||
_dev0.rhport = event->rhport;
|
||||
_dev0.hub_addr = event->connection.hub_addr;
|
||||
_dev0.hub_port = event->connection.hub_port;
|
||||
|
||||
if (_dev0.hub_addr == 0)
|
||||
{
|
||||
if (_dev0.hub_addr == 0) {
|
||||
// connected/disconnected directly with roothub
|
||||
hcd_port_reset(_dev0.rhport);
|
||||
osal_task_delay(ENUM_RESET_DELAY); // TODO may not work for no-OS on MCU that require reset_end() since
|
||||
@ -1537,15 +1487,15 @@ static bool enum_new_device(hcd_event_t* event)
|
||||
process_enumeration(&xfer);
|
||||
}
|
||||
#if CFG_TUH_HUB
|
||||
else
|
||||
{
|
||||
else {
|
||||
// connected/disconnected via external hub
|
||||
// wait until device connection is stable TODO non blocking
|
||||
osal_task_delay(ENUM_CONTACT_DEBOUNCING_DELAY);
|
||||
|
||||
// ENUM_HUB_GET_STATUS
|
||||
//TU_ASSERT( hub_port_get_status(_dev0.hub_addr, _dev0.hub_port, _usbh_ctrl_buf, enum_hub_get_status0_complete, 0) );
|
||||
TU_ASSERT( hub_port_get_status(_dev0.hub_addr, _dev0.hub_port, _usbh_ctrl_buf, process_enumeration, ENUM_HUB_CLEAR_RESET_1) );
|
||||
TU_ASSERT(hub_port_get_status(_dev0.hub_addr, _dev0.hub_port, _usbh_ctrl_buf,
|
||||
process_enumeration, ENUM_HUB_CLEAR_RESET_1));
|
||||
}
|
||||
#endif // hub
|
||||
|
||||
@ -1571,18 +1521,15 @@ static uint8_t get_new_address(bool is_hub) {
|
||||
return 0; // invalid address
|
||||
}
|
||||
|
||||
static bool enum_request_set_addr(void)
|
||||
{
|
||||
static bool enum_request_set_addr(void) {
|
||||
tusb_desc_device_t const* desc_device = (tusb_desc_device_t const*) _usbh_ctrl_buf;
|
||||
|
||||
// Get new address
|
||||
uint8_t const new_addr = get_new_address(desc_device->bDeviceClass == TUSB_CLASS_HUB);
|
||||
TU_ASSERT(new_addr != 0);
|
||||
|
||||
TU_LOG_USBH("Set Address = %d\r\n", new_addr);
|
||||
|
||||
usbh_device_t* new_dev = get_device(new_addr);
|
||||
|
||||
new_dev->rhport = _dev0.rhport;
|
||||
new_dev->hub_addr = _dev0.hub_addr;
|
||||
new_dev->hub_port = _dev0.hub_port;
|
||||
@ -1590,10 +1537,8 @@ static bool enum_request_set_addr(void)
|
||||
new_dev->connected = 1;
|
||||
new_dev->ep0_size = desc_device->bMaxPacketSize0;
|
||||
|
||||
tusb_control_request_t const request =
|
||||
{
|
||||
.bmRequestType_bit =
|
||||
{
|
||||
tusb_control_request_t const request = {
|
||||
.bmRequestType_bit = {
|
||||
.recipient = TUSB_REQ_RCPT_DEVICE,
|
||||
.type = TUSB_REQ_TYPE_STANDARD,
|
||||
.direction = TUSB_DIR_OUT
|
||||
@ -1603,9 +1548,7 @@ static bool enum_request_set_addr(void)
|
||||
.wIndex = 0,
|
||||
.wLength = 0
|
||||
};
|
||||
|
||||
tuh_xfer_t xfer =
|
||||
{
|
||||
tuh_xfer_t xfer = {
|
||||
.daddr = 0, // dev0
|
||||
.ep_addr = 0,
|
||||
.setup = &request,
|
||||
@ -1615,14 +1558,11 @@ static bool enum_request_set_addr(void)
|
||||
};
|
||||
|
||||
TU_ASSERT(tuh_control_xfer(&xfer));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg)
|
||||
{
|
||||
static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg) {
|
||||
usbh_device_t* dev = get_device(dev_addr);
|
||||
|
||||
uint16_t const total_len = tu_le16toh(desc_cfg->wTotalLength);
|
||||
uint8_t const* desc_end = ((uint8_t const*) desc_cfg) + total_len;
|
||||
uint8_t const* p_desc = tu_desc_next(desc_cfg);
|
||||
@ -1630,13 +1570,11 @@ static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configur
|
||||
TU_LOG_USBH("Parsing Configuration descriptor (wTotalLength = %u)\r\n", total_len);
|
||||
|
||||
// parse each interfaces
|
||||
while( p_desc < desc_end )
|
||||
{
|
||||
while( p_desc < desc_end ) {
|
||||
uint8_t assoc_itf_count = 1;
|
||||
|
||||
// Class will always starts with Interface Association (if any) and then Interface descriptor
|
||||
if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) )
|
||||
{
|
||||
if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) ) {
|
||||
tusb_desc_interface_assoc_t const * desc_iad = (tusb_desc_interface_assoc_t const *) p_desc;
|
||||
assoc_itf_count = desc_iad->bInterfaceCount;
|
||||
|
||||
@ -1656,8 +1594,7 @@ static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configur
|
||||
if (1 == assoc_itf_count &&
|
||||
TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass &&
|
||||
AUDIO_SUBCLASS_CONTROL == desc_itf->bInterfaceSubClass &&
|
||||
AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_itf->bInterfaceProtocol)
|
||||
{
|
||||
AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_itf->bInterfaceProtocol) {
|
||||
assoc_itf_count = 2;
|
||||
}
|
||||
#endif
|
||||
@ -1667,8 +1604,7 @@ static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configur
|
||||
// manually force associated count = 2
|
||||
if (1 == assoc_itf_count &&
|
||||
TUSB_CLASS_CDC == desc_itf->bInterfaceClass &&
|
||||
CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == desc_itf->bInterfaceSubClass)
|
||||
{
|
||||
CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == desc_itf->bInterfaceSubClass) {
|
||||
assoc_itf_count = 2;
|
||||
}
|
||||
#endif
|
||||
@ -1677,18 +1613,14 @@ static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configur
|
||||
TU_ASSERT(drv_len >= sizeof(tusb_desc_interface_t));
|
||||
|
||||
// Find driver for this interface
|
||||
for (uint8_t drv_id = 0; drv_id < TOTAL_DRIVER_COUNT; drv_id++)
|
||||
{
|
||||
for (uint8_t drv_id = 0; drv_id < TOTAL_DRIVER_COUNT; drv_id++) {
|
||||
usbh_class_driver_t const * driver = get_driver(drv_id);
|
||||
|
||||
if (driver && driver->open(dev->rhport, dev_addr, desc_itf, drv_len) )
|
||||
{
|
||||
if (driver && driver->open(dev->rhport, dev_addr, desc_itf, drv_len) ) {
|
||||
// open successfully
|
||||
TU_LOG_USBH(" %s opened\r\n", driver->name);
|
||||
|
||||
// bind (associated) interfaces to found driver
|
||||
for(uint8_t i=0; i<assoc_itf_count; i++)
|
||||
{
|
||||
for(uint8_t i=0; i<assoc_itf_count; i++) {
|
||||
uint8_t const itf_num = desc_itf->bInterfaceNumber+i;
|
||||
|
||||
// Interface number must not be used already
|
||||
@ -1702,8 +1634,7 @@ static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configur
|
||||
break; // exit driver find loop
|
||||
}
|
||||
|
||||
if ( drv_id == TOTAL_DRIVER_COUNT - 1 )
|
||||
{
|
||||
if ( drv_id == TOTAL_DRIVER_COUNT - 1 ) {
|
||||
TU_LOG_USBH("[%u:%u] Interface %u: class = %u subclass = %u protocol = %u is not supported\r\n",
|
||||
dev->rhport, dev_addr, desc_itf->bInterfaceNumber, desc_itf->bInterfaceClass, desc_itf->bInterfaceSubClass, desc_itf->bInterfaceProtocol);
|
||||
}
|
||||
|
||||
12
src/tusb.c
12
src/tusb.c
@ -112,8 +112,7 @@ uint8_t const * tu_desc_find3(uint8_t const* desc, uint8_t const* end, uint8_t b
|
||||
// Endpoint Helper for both Host and Device stack
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
bool tu_edpt_claim(tu_edpt_state_t* ep_state, osal_mutex_t mutex)
|
||||
{
|
||||
bool tu_edpt_claim(tu_edpt_state_t* ep_state, osal_mutex_t mutex) {
|
||||
(void) mutex;
|
||||
|
||||
// pre-check to help reducing mutex lock
|
||||
@ -122,8 +121,7 @@ bool tu_edpt_claim(tu_edpt_state_t* ep_state, osal_mutex_t mutex)
|
||||
|
||||
// can only claim the endpoint if it is not busy and not claimed yet.
|
||||
bool const available = (ep_state->busy == 0) && (ep_state->claimed == 0);
|
||||
if (available)
|
||||
{
|
||||
if (available) {
|
||||
ep_state->claimed = 1;
|
||||
}
|
||||
|
||||
@ -132,16 +130,14 @@ bool tu_edpt_claim(tu_edpt_state_t* ep_state, osal_mutex_t mutex)
|
||||
return available;
|
||||
}
|
||||
|
||||
bool tu_edpt_release(tu_edpt_state_t* ep_state, osal_mutex_t mutex)
|
||||
{
|
||||
bool tu_edpt_release(tu_edpt_state_t* ep_state, osal_mutex_t mutex) {
|
||||
(void) mutex;
|
||||
|
||||
(void) osal_mutex_lock(mutex, OSAL_TIMEOUT_WAIT_FOREVER);
|
||||
|
||||
// can only release the endpoint if it is claimed and not busy
|
||||
bool const ret = (ep_state->claimed == 1) && (ep_state->busy == 0);
|
||||
if (ret)
|
||||
{
|
||||
if (ret) {
|
||||
ep_state->claimed = 0;
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user