diff options
Diffstat (limited to 'src/host/hub.c')
| -rw-r--r-- | src/host/hub.c | 500 |
1 files changed, 250 insertions, 250 deletions
diff --git a/src/host/hub.c b/src/host/hub.c index a2d4e8429..00450b704 100644 --- a/src/host/hub.c +++ b/src/host/hub.c @@ -1,250 +1,250 @@ -/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * This file is part of the TinyUSB stack.
- */
-
-#include "tusb_option.h"
-
-#if (TUSB_OPT_HOST_ENABLED && CFG_TUH_HUB)
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "hub.h"
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-typedef struct
-{
- uint8_t itf_num;
- uint8_t ep_status;
- uint8_t port_number;
- uint8_t status_change; // data from status change interrupt endpoint
-}usbh_hub_t;
-
-CFG_TUSB_MEM_SECTION static usbh_hub_t hub_data[CFG_TUSB_HOST_DEVICE_MAX];
-TU_ATTR_ALIGNED(4) CFG_TUSB_MEM_SECTION static uint8_t hub_enum_buffer[sizeof(descriptor_hub_desc_t)];
-
-//OSAL_SEM_DEF(hub_enum_semaphore);
-//static osal_semaphore_handle_t hub_enum_sem_hdl;
-
-//--------------------------------------------------------------------+
-// HUB
-//--------------------------------------------------------------------+
-bool hub_port_clear_feature_subtask(uint8_t hub_addr, uint8_t hub_port, uint8_t feature)
-{
- TU_ASSERT(HUB_FEATURE_PORT_CONNECTION_CHANGE <= feature && feature <= HUB_FEATURE_PORT_RESET_CHANGE);
-
- tusb_control_request_t request = {
- .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT },
- .bRequest = HUB_REQUEST_CLEAR_FEATURE,
- .wValue = feature,
- .wIndex = hub_port,
- .wLength = 0
- };
-
- //------------- Clear Port Feature request -------------//
- TU_ASSERT( usbh_control_xfer( hub_addr, &request, NULL ) );
-
- //------------- Get Port Status to check if feature is cleared -------------//
- request = (tusb_control_request_t ) {
- .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN },
- .bRequest = HUB_REQUEST_GET_STATUS,
- .wValue = 0,
- .wIndex = hub_port,
- .wLength = 4
- };
-
- TU_ASSERT( usbh_control_xfer( hub_addr, &request, hub_enum_buffer ) );
-
- //------------- Check if feature is cleared -------------//
- hub_port_status_response_t * p_port_status;
- p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
-
- TU_ASSERT( !tu_bit_test(p_port_status->status_change.value, feature-16) );
-
- return true;
-}
-
-bool hub_port_reset_subtask(uint8_t hub_addr, uint8_t hub_port)
-{
- enum { RESET_DELAY = 200 }; // USB specs say only 50ms but many devices require much longer
-
- //------------- Set Port Reset -------------//
- tusb_control_request_t request = {
- .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT },
- .bRequest = HUB_REQUEST_SET_FEATURE,
- .wValue = HUB_FEATURE_PORT_RESET,
- .wIndex = hub_port,
- .wLength = 0
- };
-
- TU_ASSERT( usbh_control_xfer( hub_addr, &request, NULL ) );
-
- osal_task_delay(RESET_DELAY); // TODO Hub wait for Status Endpoint on Reset Change
-
- //------------- Get Port Status to check if port is enabled, powered and reset_change -------------//
- request = (tusb_control_request_t ) {
- .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN },
- .bRequest = HUB_REQUEST_GET_STATUS,
- .wValue = 0,
- .wIndex = hub_port,
- .wLength = 4
- };
-
- TU_ASSERT( usbh_control_xfer( hub_addr, &request, hub_enum_buffer ) );
-
- hub_port_status_response_t * p_port_status;
- p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
-
- TU_ASSERT ( p_port_status->status_change.reset && p_port_status->status_current.connect_status &&
- p_port_status->status_current.port_power && p_port_status->status_current.port_enable);
-
- return true;
-}
-
-// can only get the speed RIGHT AFTER hub_port_reset_subtask call
-tusb_speed_t hub_port_get_speed(void)
-{
- hub_port_status_response_t * p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
- return (p_port_status->status_current.high_speed_device_attached) ? TUSB_SPEED_HIGH :
- (p_port_status->status_current.low_speed_device_attached ) ? TUSB_SPEED_LOW : TUSB_SPEED_FULL;
-}
-
-//--------------------------------------------------------------------+
-// CLASS-USBH API (don't require to verify parameters)
-//--------------------------------------------------------------------+
-void hub_init(void)
-{
- tu_memclr(hub_data, CFG_TUSB_HOST_DEVICE_MAX*sizeof(usbh_hub_t));
-// hub_enum_sem_hdl = osal_semaphore_create( OSAL_SEM_REF(hub_enum_semaphore) );
-}
-
-bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length)
-{
- // not support multiple TT yet
- if ( itf_desc->bInterfaceProtocol > 1 ) return false;
-
- //------------- Open Interrupt Status Pipe -------------//
- tusb_desc_endpoint_t const *ep_desc;
- ep_desc = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
-
- TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType);
- TU_ASSERT(TUSB_XFER_INTERRUPT == ep_desc->bmAttributes.xfer);
-
- TU_ASSERT(hcd_edpt_open(rhport, dev_addr, ep_desc));
-
- hub_data[dev_addr-1].itf_num = itf_desc->bInterfaceNumber;
- hub_data[dev_addr-1].ep_status = ep_desc->bEndpointAddress;
-
- (*p_length) = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t);
-
- //------------- Get Hub Descriptor -------------//
- tusb_control_request_t request = {
- .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_DEVICE, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN },
- .bRequest = HUB_REQUEST_GET_DESCRIPTOR,
- .wValue = 0,
- .wIndex = 0,
- .wLength = sizeof(descriptor_hub_desc_t)
- };
-
- TU_ASSERT( usbh_control_xfer( dev_addr, &request, hub_enum_buffer ) );
-
- // only care about this field in hub descriptor
- hub_data[dev_addr-1].port_number = ((descriptor_hub_desc_t*) hub_enum_buffer)->bNbrPorts;
-
- //------------- Set Port_Power on all ports -------------//
- // TODO may only power port with attached
- request = (tusb_control_request_t ) {
- .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT },
- .bRequest = HUB_REQUEST_SET_FEATURE,
- .wValue = HUB_FEATURE_PORT_POWER,
- .wIndex = 0,
- .wLength = 0
- };
-
- for(uint8_t i=1; i <= hub_data[dev_addr-1].port_number; i++)
- {
- request.wIndex = i;
- TU_ASSERT( usbh_control_xfer( dev_addr, &request, NULL ) );
- }
-
- //------------- Queue the initial Status endpoint transfer -------------//
- TU_ASSERT( hcd_pipe_xfer(dev_addr, hub_data[dev_addr-1].ep_status, &hub_data[dev_addr-1].status_change, 1, true) );
-
- return true;
-}
-
-// is the response of interrupt endpoint polling
-#include "usbh_hcd.h" // FIXME remove
-void hub_isr(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
-{
- (void) xferred_bytes; // TODO can be more than 1 for hub with lots of ports
- (void) ep_addr;
-
- usbh_hub_t * p_hub = &hub_data[dev_addr-1];
-
- if ( event == XFER_RESULT_SUCCESS )
- {
- for (uint8_t port=1; port <= p_hub->port_number; port++)
- {
- // TODO HUB ignore bit0 hub_status_change
- if ( tu_bit_test(p_hub->status_change, port) )
- {
- hcd_event_t event =
- {
- .rhport = _usbh_devices[dev_addr].rhport,
- .event_id = HCD_EVENT_DEVICE_ATTACH
- };
-
- event.attach.hub_addr = dev_addr;
- event.attach.hub_port = port;
-
- hcd_event_handler(&event, true);
- break; // handle one port at a time, next port if any will be handled in the next cycle
- }
- }
- // NOTE: next status transfer is queued by usbh.c after handling this request
- }
- else
- {
- // TODO [HUB] check if hub is still plugged before polling status endpoint since failed usually mean hub unplugged
-// TU_ASSERT ( hub_status_pipe_queue(dev_addr) );
- }
-}
-
-void hub_close(uint8_t dev_addr)
-{
- tu_memclr(&hub_data[dev_addr-1], sizeof(usbh_hub_t));
-// osal_semaphore_reset(hub_enum_sem_hdl);
-}
-
-bool hub_status_pipe_queue(uint8_t dev_addr)
-{
- return hcd_pipe_xfer(dev_addr, hub_data[dev_addr-1].ep_status, &hub_data[dev_addr-1].status_change, 1, true);
-}
-
-
-#endif
+/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +#include "tusb_option.h" + +#if (TUSB_OPT_HOST_ENABLED && CFG_TUH_HUB) + +//--------------------------------------------------------------------+ +// INCLUDE +//--------------------------------------------------------------------+ +#include "hub.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF +//--------------------------------------------------------------------+ +typedef struct +{ + uint8_t itf_num; + uint8_t ep_status; + uint8_t port_number; + uint8_t status_change; // data from status change interrupt endpoint +}usbh_hub_t; + +CFG_TUSB_MEM_SECTION static usbh_hub_t hub_data[CFG_TUSB_HOST_DEVICE_MAX]; +TU_ATTR_ALIGNED(4) CFG_TUSB_MEM_SECTION static uint8_t hub_enum_buffer[sizeof(descriptor_hub_desc_t)]; + +//OSAL_SEM_DEF(hub_enum_semaphore); +//static osal_semaphore_handle_t hub_enum_sem_hdl; + +//--------------------------------------------------------------------+ +// HUB +//--------------------------------------------------------------------+ +bool hub_port_clear_feature_subtask(uint8_t hub_addr, uint8_t hub_port, uint8_t feature) +{ + TU_ASSERT(HUB_FEATURE_PORT_CONNECTION_CHANGE <= feature && feature <= HUB_FEATURE_PORT_RESET_CHANGE); + + tusb_control_request_t request = { + .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT }, + .bRequest = HUB_REQUEST_CLEAR_FEATURE, + .wValue = feature, + .wIndex = hub_port, + .wLength = 0 + }; + + //------------- Clear Port Feature request -------------// + TU_ASSERT( usbh_control_xfer( hub_addr, &request, NULL ) ); + + //------------- Get Port Status to check if feature is cleared -------------// + request = (tusb_control_request_t ) { + .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN }, + .bRequest = HUB_REQUEST_GET_STATUS, + .wValue = 0, + .wIndex = hub_port, + .wLength = 4 + }; + + TU_ASSERT( usbh_control_xfer( hub_addr, &request, hub_enum_buffer ) ); + + //------------- Check if feature is cleared -------------// + hub_port_status_response_t * p_port_status; + p_port_status = (hub_port_status_response_t *) hub_enum_buffer; + + TU_ASSERT( !tu_bit_test(p_port_status->status_change.value, feature-16) ); + + return true; +} + +bool hub_port_reset_subtask(uint8_t hub_addr, uint8_t hub_port) +{ + enum { RESET_DELAY = 200 }; // USB specs say only 50ms but many devices require much longer + + //------------- Set Port Reset -------------// + tusb_control_request_t request = { + .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT }, + .bRequest = HUB_REQUEST_SET_FEATURE, + .wValue = HUB_FEATURE_PORT_RESET, + .wIndex = hub_port, + .wLength = 0 + }; + + TU_ASSERT( usbh_control_xfer( hub_addr, &request, NULL ) ); + + osal_task_delay(RESET_DELAY); // TODO Hub wait for Status Endpoint on Reset Change + + //------------- Get Port Status to check if port is enabled, powered and reset_change -------------// + request = (tusb_control_request_t ) { + .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN }, + .bRequest = HUB_REQUEST_GET_STATUS, + .wValue = 0, + .wIndex = hub_port, + .wLength = 4 + }; + + TU_ASSERT( usbh_control_xfer( hub_addr, &request, hub_enum_buffer ) ); + + hub_port_status_response_t * p_port_status; + p_port_status = (hub_port_status_response_t *) hub_enum_buffer; + + TU_ASSERT ( p_port_status->status_change.reset && p_port_status->status_current.connect_status && + p_port_status->status_current.port_power && p_port_status->status_current.port_enable); + + return true; +} + +// can only get the speed RIGHT AFTER hub_port_reset_subtask call +tusb_speed_t hub_port_get_speed(void) +{ + hub_port_status_response_t * p_port_status = (hub_port_status_response_t *) hub_enum_buffer; + return (p_port_status->status_current.high_speed_device_attached) ? TUSB_SPEED_HIGH : + (p_port_status->status_current.low_speed_device_attached ) ? TUSB_SPEED_LOW : TUSB_SPEED_FULL; +} + +//--------------------------------------------------------------------+ +// CLASS-USBH API (don't require to verify parameters) +//--------------------------------------------------------------------+ +void hub_init(void) +{ + tu_memclr(hub_data, CFG_TUSB_HOST_DEVICE_MAX*sizeof(usbh_hub_t)); +// hub_enum_sem_hdl = osal_semaphore_create( OSAL_SEM_REF(hub_enum_semaphore) ); +} + +bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length) +{ + // not support multiple TT yet + if ( itf_desc->bInterfaceProtocol > 1 ) return false; + + //------------- Open Interrupt Status Pipe -------------// + tusb_desc_endpoint_t const *ep_desc; + ep_desc = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc); + + TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType); + TU_ASSERT(TUSB_XFER_INTERRUPT == ep_desc->bmAttributes.xfer); + + TU_ASSERT(hcd_edpt_open(rhport, dev_addr, ep_desc)); + + hub_data[dev_addr-1].itf_num = itf_desc->bInterfaceNumber; + hub_data[dev_addr-1].ep_status = ep_desc->bEndpointAddress; + + (*p_length) = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t); + + //------------- Get Hub Descriptor -------------// + tusb_control_request_t request = { + .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_DEVICE, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN }, + .bRequest = HUB_REQUEST_GET_DESCRIPTOR, + .wValue = 0, + .wIndex = 0, + .wLength = sizeof(descriptor_hub_desc_t) + }; + + TU_ASSERT( usbh_control_xfer( dev_addr, &request, hub_enum_buffer ) ); + + // only care about this field in hub descriptor + hub_data[dev_addr-1].port_number = ((descriptor_hub_desc_t*) hub_enum_buffer)->bNbrPorts; + + //------------- Set Port_Power on all ports -------------// + // TODO may only power port with attached + request = (tusb_control_request_t ) { + .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_OTHER, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT }, + .bRequest = HUB_REQUEST_SET_FEATURE, + .wValue = HUB_FEATURE_PORT_POWER, + .wIndex = 0, + .wLength = 0 + }; + + for(uint8_t i=1; i <= hub_data[dev_addr-1].port_number; i++) + { + request.wIndex = i; + TU_ASSERT( usbh_control_xfer( dev_addr, &request, NULL ) ); + } + + //------------- Queue the initial Status endpoint transfer -------------// + TU_ASSERT( hcd_pipe_xfer(dev_addr, hub_data[dev_addr-1].ep_status, &hub_data[dev_addr-1].status_change, 1, true) ); + + return true; +} + +// is the response of interrupt endpoint polling +#include "usbh_hcd.h" // FIXME remove +void hub_isr(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes) +{ + (void) xferred_bytes; // TODO can be more than 1 for hub with lots of ports + (void) ep_addr; + + usbh_hub_t * p_hub = &hub_data[dev_addr-1]; + + if ( event == XFER_RESULT_SUCCESS ) + { + for (uint8_t port=1; port <= p_hub->port_number; port++) + { + // TODO HUB ignore bit0 hub_status_change + if ( tu_bit_test(p_hub->status_change, port) ) + { + hcd_event_t event = + { + .rhport = _usbh_devices[dev_addr].rhport, + .event_id = HCD_EVENT_DEVICE_ATTACH + }; + + event.attach.hub_addr = dev_addr; + event.attach.hub_port = port; + + hcd_event_handler(&event, true); + break; // handle one port at a time, next port if any will be handled in the next cycle + } + } + // NOTE: next status transfer is queued by usbh.c after handling this request + } + else + { + // TODO [HUB] check if hub is still plugged before polling status endpoint since failed usually mean hub unplugged +// TU_ASSERT ( hub_status_pipe_queue(dev_addr) ); + } +} + +void hub_close(uint8_t dev_addr) +{ + tu_memclr(&hub_data[dev_addr-1], sizeof(usbh_hub_t)); +// osal_semaphore_reset(hub_enum_sem_hdl); +} + +bool hub_status_pipe_queue(uint8_t dev_addr) +{ + return hcd_pipe_xfer(dev_addr, hub_data[dev_addr-1].ep_status, &hub_data[dev_addr-1].status_change, 1, true); +} + + +#endif |
