diff options
Diffstat (limited to 'src/host/hub.c')
| -rw-r--r-- | src/host/hub.c | 386 |
1 files changed, 178 insertions, 208 deletions
diff --git a/src/host/hub.c b/src/host/hub.c index e97014443..61efa8ba5 100644 --- a/src/host/hub.c +++ b/src/host/hub.c @@ -40,29 +40,36 @@ //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF //--------------------------------------------------------------------+ -typedef struct -{ +typedef struct { uint8_t itf_num; uint8_t ep_in; - uint8_t port_count; - CFG_TUH_MEM_ALIGN uint8_t status_change; - CFG_TUH_MEM_ALIGN hub_port_status_response_t port_status; - CFG_TUH_MEM_ALIGN hub_status_response_t hub_status; + // from hub descriptor + uint8_t bNbrPorts; + uint8_t bPwrOn2PwrGood_2ms; // port power on to good, in 2ms unit + // uint16_t wHubCharacteristics; + + hub_port_status_response_t port_status; } hub_interface_t; -CFG_TUH_MEM_SECTION static hub_interface_t hub_data[CFG_TUH_HUB]; -CFG_TUH_MEM_SECTION CFG_TUH_MEM_ALIGN static uint8_t _hub_buffer[sizeof(descriptor_hub_desc_t)]; +typedef struct { + TUH_EPBUF_DEF(status_change, 4); // interrupt endpoint + TUH_EPBUF_DEF(ctrl_buf, CFG_TUH_HUB_BUFSIZE); +} hub_epbuf_t; + +static hub_interface_t hub_itfs[CFG_TUH_HUB]; +CFG_TUH_MEM_SECTION static hub_epbuf_t hub_epbufs[CFG_TUH_HUB]; + +TU_ATTR_ALWAYS_INLINE static inline hub_interface_t* get_hub_itf(uint8_t daddr) { + return &hub_itfs[daddr-1-CFG_TUH_DEVICE_MAX]; +} -TU_ATTR_ALWAYS_INLINE -static inline hub_interface_t* get_itf(uint8_t dev_addr) -{ - return &hub_data[dev_addr-1-CFG_TUH_DEVICE_MAX]; +TU_ATTR_ALWAYS_INLINE static inline hub_epbuf_t* get_hub_epbuf(uint8_t daddr) { + return &hub_epbufs[daddr-1-CFG_TUH_DEVICE_MAX]; } -#if CFG_TUSB_DEBUG >= 2 -static char const* const _hub_feature_str[] = -{ +#if CFG_TUSB_DEBUG >= HUB_DEBUG +static char const* const _hub_feature_str[] = { [HUB_FEATURE_PORT_CONNECTION ] = "PORT_CONNECTION", [HUB_FEATURE_PORT_ENABLE ] = "PORT_ENABLE", [HUB_FEATURE_PORT_SUSPEND ] = "PORT_SUSPEND", @@ -84,12 +91,9 @@ static char const* const _hub_feature_str[] = // HUB //--------------------------------------------------------------------+ bool hub_port_clear_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature, - tuh_xfer_cb_t complete_cb, uintptr_t user_data) -{ - tusb_control_request_t const request = - { - .bmRequestType_bit = - { + tuh_xfer_cb_t complete_cb, uintptr_t user_data) { + tusb_control_request_t const request = { + .bmRequestType_bit = { .recipient = (hub_port == 0) ? TUSB_REQ_RCPT_DEVICE : TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT @@ -100,8 +104,7 @@ bool hub_port_clear_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature, .wLength = 0 }; - tuh_xfer_t xfer = - { + tuh_xfer_t xfer = { .daddr = hub_addr, .ep_addr = 0, .setup = &request, @@ -110,18 +113,15 @@ bool hub_port_clear_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature, .user_data = user_data }; - TU_LOG2("HUB Clear Feature: %s, addr = %u port = %u\r\n", _hub_feature_str[feature], hub_addr, hub_port); - TU_ASSERT( tuh_control_xfer(&xfer) ); + TU_LOG_DRV("HUB Clear Feature: %s, addr = %u port = %u\r\n", _hub_feature_str[feature], hub_addr, hub_port); + TU_ASSERT(tuh_control_xfer(&xfer)); return true; } bool hub_port_set_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature, - tuh_xfer_cb_t complete_cb, uintptr_t user_data) -{ - tusb_control_request_t const request = - { - .bmRequestType_bit = - { + tuh_xfer_cb_t complete_cb, uintptr_t user_data) { + tusb_control_request_t const request = { + .bmRequestType_bit = { .recipient = (hub_port == 0) ? TUSB_REQ_RCPT_DEVICE : TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT @@ -132,8 +132,7 @@ bool hub_port_set_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature, .wLength = 0 }; - tuh_xfer_t xfer = - { + tuh_xfer_t xfer = { .daddr = hub_addr, .ep_addr = 0, .setup = &request, @@ -142,18 +141,15 @@ bool hub_port_set_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature, .user_data = user_data }; - TU_LOG2("HUB Set Feature: %s, addr = %u port = %u\r\n", _hub_feature_str[feature], hub_addr, hub_port); + TU_LOG_DRV("HUB Set Feature: %s, addr = %u port = %u\r\n", _hub_feature_str[feature], hub_addr, hub_port); TU_ASSERT( tuh_control_xfer(&xfer) ); return true; } bool hub_port_get_status(uint8_t hub_addr, uint8_t hub_port, void* resp, - tuh_xfer_cb_t complete_cb, uintptr_t user_data) -{ - tusb_control_request_t const request = - { - .bmRequestType_bit = - { + tuh_xfer_cb_t complete_cb, uintptr_t user_data) { + tusb_control_request_t const request = { + .bmRequestType_bit = { .recipient = (hub_port == 0) ? TUSB_REQ_RCPT_DEVICE : TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN @@ -161,11 +157,10 @@ bool hub_port_get_status(uint8_t hub_addr, uint8_t hub_port, void* resp, .bRequest = HUB_REQUEST_GET_STATUS, .wValue = 0, .wIndex = hub_port, - .wLength = 4 + .wLength = tu_htole16(4) }; - tuh_xfer_t xfer = - { + tuh_xfer_t xfer = { .daddr = hub_addr, .ep_addr = 0, .setup = &request, @@ -174,7 +169,7 @@ bool hub_port_get_status(uint8_t hub_addr, uint8_t hub_port, void* resp, .user_data = user_data }; - TU_LOG2("HUB Get Port Status: addr = %u port = %u\r\n", hub_addr, hub_port); + TU_LOG_DRV("HUB Get Port Status: addr = %u port = %u\r\n", hub_addr, hub_port); TU_VERIFY( tuh_control_xfer(&xfer) ); return true; } @@ -183,7 +178,7 @@ bool hub_port_get_status(uint8_t hub_addr, uint8_t hub_port, void* resp, // CLASS-USBH API (don't require to verify parameters) //--------------------------------------------------------------------+ bool hub_init(void) { - tu_memclr(hub_data, sizeof(hub_data)); + tu_memclr(hub_itfs, sizeof(hub_itfs)); return true; } @@ -191,40 +186,32 @@ bool hub_deinit(void) { return true; } -bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) -{ +bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) { (void) rhport; TU_VERIFY(TUSB_CLASS_HUB == itf_desc->bInterfaceClass && 0 == itf_desc->bInterfaceSubClass); + TU_VERIFY(itf_desc->bInterfaceProtocol <= 1); // not support multiple TT yet - // hub driver does not support multiple TT yet - TU_VERIFY(itf_desc->bInterfaceProtocol <= 1); - - // msc driver length is fixed uint16_t const drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t); TU_ASSERT(drv_len <= max_len); - //------------- Interrupt Status endpoint -------------// + // Interrupt Status endpoint tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc); - TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer, 0); - TU_ASSERT(tuh_edpt_open(dev_addr, desc_ep)); - hub_interface_t* p_hub = get_itf(dev_addr); - + hub_interface_t* p_hub = get_hub_itf(dev_addr); p_hub->itf_num = itf_desc->bInterfaceNumber; p_hub->ep_in = desc_ep->bEndpointAddress; return true; } -void hub_close(uint8_t dev_addr) -{ +void hub_close(uint8_t dev_addr) { TU_VERIFY(dev_addr > CFG_TUH_DEVICE_MAX, ); - hub_interface_t* p_hub = get_itf(dev_addr); + hub_interface_t* p_hub = get_hub_itf(dev_addr); if (p_hub->ep_in) { TU_LOG_DRV(" HUB close addr = %d\r\n", dev_addr); @@ -232,30 +219,33 @@ void hub_close(uint8_t dev_addr) } } -bool hub_edpt_status_xfer(uint8_t dev_addr) -{ - hub_interface_t* hub_itf = get_itf(dev_addr); - return usbh_edpt_xfer(dev_addr, hub_itf->ep_in, &hub_itf->status_change, 1); -} +bool hub_edpt_status_xfer(uint8_t daddr) { + hub_interface_t* p_hub = get_hub_itf(daddr); + hub_epbuf_t* p_epbuf = get_hub_epbuf(daddr); + + TU_VERIFY(usbh_edpt_claim(daddr, p_hub->ep_in)); + if (!usbh_edpt_xfer(daddr, p_hub->ep_in, p_epbuf->status_change, 1)) { + usbh_edpt_release(daddr, p_hub->ep_in); + return false; + } + return true; +} //--------------------------------------------------------------------+ // Set Configure //--------------------------------------------------------------------+ - static void config_set_port_power (tuh_xfer_t* xfer); static void config_port_power_complete (tuh_xfer_t* xfer); -bool hub_set_config(uint8_t dev_addr, uint8_t itf_num) -{ - hub_interface_t* p_hub = get_itf(dev_addr); +bool hub_set_config(uint8_t dev_addr, uint8_t itf_num) { + hub_interface_t* p_hub = get_hub_itf(dev_addr); TU_ASSERT(itf_num == p_hub->itf_num); + hub_epbuf_t* p_epbuf = get_hub_epbuf(dev_addr); // Get Hub Descriptor - 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_CLASS, .direction = TUSB_DIR_IN @@ -263,34 +253,33 @@ bool hub_set_config(uint8_t dev_addr, uint8_t itf_num) .bRequest = HUB_REQUEST_GET_DESCRIPTOR, .wValue = 0, .wIndex = 0, - .wLength = sizeof(descriptor_hub_desc_t) + .wLength = sizeof(hub_desc_cs_t) }; - tuh_xfer_t xfer = - { + tuh_xfer_t xfer = { .daddr = dev_addr, .ep_addr = 0, .setup = &request, - .buffer = _hub_buffer, + .buffer = p_epbuf->ctrl_buf, .complete_cb = config_set_port_power, .user_data = 0 }; - TU_ASSERT( tuh_control_xfer(&xfer) ); - + TU_ASSERT(tuh_control_xfer(&xfer)); return true; } -static void config_set_port_power (tuh_xfer_t* xfer) -{ +static void config_set_port_power (tuh_xfer_t* xfer) { TU_ASSERT(XFER_RESULT_SUCCESS == xfer->result, ); uint8_t const daddr = xfer->daddr; - hub_interface_t* p_hub = get_itf(daddr); + hub_interface_t* p_hub = get_hub_itf(daddr); + hub_epbuf_t* p_epbuf = get_hub_epbuf(daddr); // only use number of ports in hub descriptor - descriptor_hub_desc_t const* desc_hub = (descriptor_hub_desc_t const*) _hub_buffer; - p_hub->port_count = desc_hub->bNbrPorts; + hub_desc_cs_t const* desc_hub = (hub_desc_cs_t const*) p_epbuf->ctrl_buf; + p_hub->bNbrPorts = desc_hub->bNbrPorts; + p_hub->bPwrOn2PwrGood_2ms = desc_hub->bPwrOn2PwrGood; // May need to GET_STATUS @@ -299,22 +288,21 @@ static void config_set_port_power (tuh_xfer_t* xfer) hub_port_set_feature(daddr, hub_port, HUB_FEATURE_PORT_POWER, config_port_power_complete, 0); } -static void config_port_power_complete (tuh_xfer_t* xfer) -{ +static void config_port_power_complete (tuh_xfer_t* xfer) { TU_ASSERT(XFER_RESULT_SUCCESS == xfer->result, ); uint8_t const daddr = xfer->daddr; - hub_interface_t* p_hub = get_itf(daddr); + hub_interface_t* p_hub = get_hub_itf(daddr); - if (xfer->setup->wIndex == p_hub->port_count) - { + if (xfer->setup->wIndex == p_hub->bNbrPorts) { // All ports are power -> queue notification status endpoint and // complete the SET CONFIGURATION - TU_ASSERT( usbh_edpt_xfer(daddr, p_hub->ep_in, &p_hub->status_change, 1), ); - + if (!hub_edpt_status_xfer(daddr)) { + TU_MESS_FAILED(); + TU_BREAKPOINT(); + } usbh_driver_set_config_complete(daddr, p_hub->itf_num); - }else - { + } else { // power next port uint8_t const hub_port = (uint8_t) (xfer->setup->wIndex + 1); hub_port_set_feature(daddr, hub_port, HUB_FEATURE_PORT_POWER, config_port_power_complete, 0); @@ -324,180 +312,162 @@ static void config_port_power_complete (tuh_xfer_t* xfer) //--------------------------------------------------------------------+ // Connection Changes //--------------------------------------------------------------------+ - -static void hub_port_get_status_complete (tuh_xfer_t* xfer); -static void hub_get_status_complete (tuh_xfer_t* xfer); +static void get_status_complete (tuh_xfer_t* xfer); +static void port_get_status_complete (tuh_xfer_t* xfer); +static void port_clear_feature_complete_stub(tuh_xfer_t* xfer); static void connection_clear_conn_change_complete (tuh_xfer_t* xfer); static void connection_port_reset_complete (tuh_xfer_t* xfer); // callback as response of interrupt endpoint polling -bool hub_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) { - (void) xferred_bytes; // TODO can be more than 1 for hub with lots of ports +bool hub_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) { + (void) xferred_bytes; (void) ep_addr; - TU_VERIFY(result == XFER_RESULT_SUCCESS); - hub_interface_t* p_hub = get_itf(dev_addr); + bool processed = false; // true if new status is processed - uint8_t const status_change = p_hub->status_change; - TU_LOG2(" Hub Status Change = 0x%02X\r\n", status_change); - - if ( status_change == 0 ) { - // The status change event was neither for the hub, nor for any of its ports. - // This shouldn't happen, but it does with some devices. - // Initiate the next interrupt poll here. - return hub_edpt_status_xfer(dev_addr); - } + if (result == XFER_RESULT_SUCCESS) { + hub_interface_t* p_hub = get_hub_itf(daddr); + hub_epbuf_t *p_epbuf = get_hub_epbuf(daddr); + const uint8_t status_change = p_epbuf->status_change[0]; + TU_LOG_DRV(" Hub Status Change = 0x%02X\r\n", status_change); - if (tu_bit_test(status_change, 0)) { - // Hub bit 0 is for the hub device events - if (hub_port_get_status(dev_addr, 0, &p_hub->hub_status, hub_get_status_complete, 0) == false) { - //Hub status control transfer failed, retry - hub_edpt_status_xfer(dev_addr); - } - } - else { - // Hub bits 1 to n are hub port events - for (uint8_t port=1; port <= p_hub->port_count; port++) { - if ( tu_bit_test(status_change, port) ) { - if (hub_port_get_status(dev_addr, port, &p_hub->port_status, hub_port_get_status_complete, 0) == false) { - //Hub status control transfer failed, retry - hub_edpt_status_xfer(dev_addr); + if (status_change == 0) { + // The status change event was neither for the hub, nor for any of its ports. + // This shouldn't happen, but it does with some devices. Re-Initiate the interrupt poll. + processed = false; + } else if (tu_bit_test(status_change, 0)) { + // Hub bit 0 is for the hub device events + processed = hub_get_status(daddr, p_epbuf->ctrl_buf, get_status_complete, 0); + } else { + // Hub bits 1 to n are hub port events + for (uint8_t port=1; port <= p_hub->bNbrPorts; port++) { + if (tu_bit_test(status_change, port)) { + processed = hub_port_get_status(daddr, port, p_epbuf->ctrl_buf, port_get_status_complete, 0); + break; // after completely processed one port, we will re-queue the status poll and handle next one } - break; } } } - // NOTE: next status transfer is queued by usbh.c after handling this request + // If new status event is processed: next status pool is queued by usbh.c after handled this request + // Otherwise re-queue the status poll here + if (!processed) { + TU_ASSERT(hub_edpt_status_xfer(daddr)); + } + return true; } -static void hub_clear_feature_complete_stub(tuh_xfer_t* xfer) -{ - TU_ASSERT(xfer->result == XFER_RESULT_SUCCESS, ); +static void port_clear_feature_complete_stub(tuh_xfer_t* xfer) { hub_edpt_status_xfer(xfer->daddr); } -static void hub_get_status_complete (tuh_xfer_t* xfer) -{ - TU_ASSERT(xfer->result == XFER_RESULT_SUCCESS, ); +static void get_status_complete(tuh_xfer_t *xfer) { + const uint8_t daddr = xfer->daddr; - uint8_t const daddr = xfer->daddr; - hub_interface_t* p_hub = get_itf(daddr); - uint8_t const port_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); - TU_ASSERT(port_num == 0 , ); + bool processed = false; // true if new status is processed + if (xfer->result == XFER_RESULT_SUCCESS) { + hub_status_response_t hub_status = *((const hub_status_response_t *) (uintptr_t) xfer->buffer); - TU_LOG2("HUB Got hub status, addr = %u, status = %04x\r\n", daddr, p_hub->hub_status.change.value); + TU_LOG_DRV("HUB Got hub status, addr = %u, status = %04x\r\n", daddr, hub_status.change.value); - if (p_hub->hub_status.change.local_power_source) - { - TU_LOG2("HUB Local Power Change, addr = %u\r\n", daddr); - hub_port_clear_feature(daddr, port_num, HUB_FEATURE_HUB_LOCAL_POWER_CHANGE, hub_clear_feature_complete_stub, 0); + if (hub_status.change.local_power_source) { + TU_LOG_DRV(" Local Power Change\r\n"); + processed = hub_clear_feature(daddr, HUB_FEATURE_HUB_LOCAL_POWER_CHANGE, port_clear_feature_complete_stub, 0); + } else if (hub_status.change.over_current) { + TU_LOG_DRV(" Over Current\r\n"); + processed = hub_clear_feature(daddr, HUB_FEATURE_HUB_OVER_CURRENT_CHANGE, port_clear_feature_complete_stub, 0); + } } - else if (p_hub->hub_status.change.over_current) - { - TU_LOG1("HUB Over Current, addr = %u\r\n", daddr); - hub_port_clear_feature(daddr, port_num, HUB_FEATURE_HUB_OVER_CURRENT_CHANGE, hub_clear_feature_complete_stub, 0); + + if (!processed) { + TU_ASSERT(hub_edpt_status_xfer(daddr), ); } } -static void hub_port_get_status_complete (tuh_xfer_t* xfer) -{ - TU_ASSERT(xfer->result == XFER_RESULT_SUCCESS, ); +static void port_get_status_complete(tuh_xfer_t *xfer) { + const uint8_t daddr = xfer->daddr; + bool processed = false; // true if new status is processed - uint8_t const daddr = xfer->daddr; - hub_interface_t* p_hub = get_itf(daddr); - uint8_t const port_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); + if (xfer->result == XFER_RESULT_SUCCESS) { + const uint8_t port_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); + hub_interface_t *p_hub = get_hub_itf(daddr); + p_hub->port_status = *((const hub_port_status_response_t *) (uintptr_t) xfer->buffer); - // Connection change - if (p_hub->port_status.change.connection) - { - // Port is powered and enabled - //TU_VERIFY(port_status.status_current.port_power && port_status.status_current.port_enable, ); + // Clear port status change interrupts + if (p_hub->port_status.change.connection) { + // Connection change + // Port is powered and enabled + //TU_VERIFY(port_status.status_current.port_power && port_status.status_current.port_enable, ); - // Acknowledge Port Connection Change - hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_CONNECTION_CHANGE, connection_clear_conn_change_complete, 0); - }else - { - // Clear other port status change interrupts. TODO Not currently handled - just cleared. - if (p_hub->port_status.change.port_enable) - { - hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_ENABLE_CHANGE, hub_clear_feature_complete_stub, 0); - } - else if (p_hub->port_status.change.suspend) - { - hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_SUSPEND_CHANGE, hub_clear_feature_complete_stub, 0); - } - else if (p_hub->port_status.change.over_current) - { - hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_OVER_CURRENT_CHANGE, hub_clear_feature_complete_stub, 0); - } - else if (p_hub->port_status.change.reset) - { - hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_RESET_CHANGE, hub_clear_feature_complete_stub, 0); + // Acknowledge Port Connection Change + processed = hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_CONNECTION_CHANGE, connection_clear_conn_change_complete, 0); + } else if (p_hub->port_status.change.port_enable) { + processed = hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_ENABLE_CHANGE, port_clear_feature_complete_stub, 0); + } else if (p_hub->port_status.change.suspend) { + processed = hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_SUSPEND_CHANGE, port_clear_feature_complete_stub, 0); + } else if (p_hub->port_status.change.over_current) { + processed = hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_OVER_CURRENT_CHANGE, port_clear_feature_complete_stub, 0); + } else if (p_hub->port_status.change.reset) { + processed = hub_port_clear_feature(daddr, port_num, HUB_FEATURE_PORT_RESET_CHANGE, port_clear_feature_complete_stub, 0); } - // Other changes are: L1 state - // TODO clear change + } - else - { - // prepare for next hub status - // TODO continue with status_change, or maybe we can do it again with status - hub_edpt_status_xfer(daddr); - } + if (!processed) { + TU_ASSERT(hub_edpt_status_xfer(daddr), ); } } -static void connection_clear_conn_change_complete (tuh_xfer_t* xfer) -{ - TU_ASSERT(xfer->result == XFER_RESULT_SUCCESS, ); +static void connection_clear_conn_change_complete (tuh_xfer_t* xfer) { + const uint8_t daddr = xfer->daddr; - uint8_t const daddr = xfer->daddr; - hub_interface_t* p_hub = get_itf(daddr); - uint8_t const port_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); + if (xfer->result != XFER_RESULT_SUCCESS) { + TU_ASSERT(hub_edpt_status_xfer(daddr), ); + return; + } + + hub_interface_t *p_hub = get_hub_itf(daddr); + const uint8_t port_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); - if ( p_hub->port_status.status.connection ) - { + if (p_hub->port_status.status.connection) { // Reset port if attach event hub_port_reset(daddr, port_num, connection_port_reset_complete, 0); - }else - { + } else { // submit detach event - hcd_event_t event = - { + const hcd_event_t event = { .rhport = usbh_get_rhport(daddr), .event_id = HCD_EVENT_DEVICE_REMOVE, - .connection = - { + .connection = { .hub_addr = daddr, .hub_port = port_num } }; - hcd_event_handler(&event, false); } } -static void connection_port_reset_complete (tuh_xfer_t* xfer) -{ - TU_ASSERT(xfer->result == XFER_RESULT_SUCCESS, ); +static void connection_port_reset_complete (tuh_xfer_t* xfer) { + const uint8_t daddr = xfer->daddr; - uint8_t const daddr = xfer->daddr; - // hub_interface_t* p_hub = get_itf(daddr); - uint8_t const port_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); + if (xfer->result != XFER_RESULT_SUCCESS) { + // retry port reset if failed + if (!tuh_control_xfer(xfer)) { + TU_ASSERT(hub_edpt_status_xfer(daddr), ); // back to status poll if failed to queue request + } + return; + } + + const uint8_t port_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); // submit attach event - hcd_event_t event = - { + hcd_event_t event = { .rhport = usbh_get_rhport(daddr), .event_id = HCD_EVENT_DEVICE_ATTACH, - .connection = - { + .connection = { .hub_addr = daddr, .hub_port = port_num } }; - hcd_event_handler(&event, false); } |
