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improve usbd control transfer

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This commit is contained in:
hathach
2018-03-22 14:15:16 +07:00
parent 17a227ca90
commit ce2fc0470c
8 changed files with 164 additions and 98 deletions
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15
tinyusb/class/cdc/cdc_device.c
View File

@@ -44,8 +44,9 @@
//--------------------------------------------------------------------+
// INCLUDE
//--------------------------------------------------------------------+
#include <common/tusb_common.h>
#include "common/tusb_common.h"
#include "cdc_device.h"
#include "device/usbd_pvt.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
@@ -221,13 +222,13 @@ tusb_error_t cdcd_control_request_subtask(uint8_t port, tusb_control_request_t c
if (CDC_REQUEST_GET_LINE_CODING == p_request->bRequest)
{
SUBTASK_INVOKE( usbd_control_xfer_substak(port, (tusb_dir_t) p_request->bmRequestType_bit.direction,
(uint8_t*) &cdcd_line_coding[port], min16_of(sizeof(cdc_line_coding_t), p_request->wLength)), err );
SUBTASK_INVOKE( usbd_control_xfer_stask(port, (tusb_dir_t) p_request->bmRequestType_bit.direction,
(uint8_t*) &cdcd_line_coding[port], min16_of(sizeof(cdc_line_coding_t), p_request->wLength)), err );
}
else if (CDC_REQUEST_SET_LINE_CODING == p_request->bRequest)
{
SUBTASK_INVOKE( usbd_control_xfer_substak(port, (tusb_dir_t) p_request->bmRequestType_bit.direction,
(uint8_t*) &cdcd_line_coding[port], min16_of(sizeof(cdc_line_coding_t), p_request->wLength)), err );
SUBTASK_INVOKE( usbd_control_xfer_stask(port, (tusb_dir_t) p_request->bmRequestType_bit.direction,
(uint8_t*) &cdcd_line_coding[port], min16_of(sizeof(cdc_line_coding_t), p_request->wLength)), err );
// TODO notify application on xfer complete
}
else if (CDC_REQUEST_SET_CONTROL_LINE_STATE == p_request->bRequest )
@@ -253,10 +254,12 @@ tusb_error_t cdcd_control_request_subtask(uint8_t port, tusb_control_request_t c
// De-active --> disconnected
p_cdc->connected = false;
}
usbd_control_status(port, p_request->bmRequestType_bit.direction);
}
else
{
SUBTASK_RETURN(TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT);
usbd_control_stall(port); // stall unsupported request
}
OSAL_SUBTASK_END

9
tinyusb/class/msc/msc_device.c
View File

@@ -44,8 +44,9 @@
//--------------------------------------------------------------------+
// INCLUDE
//--------------------------------------------------------------------+
#include <common/tusb_common.h>
#include "common/tusb_common.h"
#include "msc_device.h"
#include "device/usbd_pvt.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
@@ -133,16 +134,16 @@ tusb_error_t mscd_control_request_subtask(uint8_t port, tusb_control_request_t c
if(MSC_REQUEST_RESET == p_request->bRequest)
{
usbd_control_status(port, TUSB_DIR_IN);
usbd_control_status(port, p_request->bmRequestType_bit.direction);
}
else if (MSC_REQUEST_GET_MAX_LUN == p_request->bRequest)
{
// Note: lpc11/13u need xfer data's address to be aligned 64 -> make use of scsi_data instead of using max_lun directly
p_msc->scsi_data[0] = p_msc->max_lun;
SUBTASK_INVOKE( usbd_control_xfer_substak(port, TUSB_DIR_IN, p_msc->scsi_data, 1), err);
SUBTASK_INVOKE( usbd_control_xfer_stask(port, p_request->bmRequestType_bit.direction, p_msc->scsi_data, 1), err);
}else
{
SUBTASK_RETURN(TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT);
usbd_control_stall(port); // stall unsupported request
}
OSAL_SUBTASK_END

117
tinyusb/device/usbd.c
View File

@@ -47,6 +47,7 @@
//--------------------------------------------------------------------+
#include "tusb.h"
#include "usbd.h"
#include "device/usbd_pvt.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
@@ -112,8 +113,8 @@ enum { USBD_CLASS_DRIVER_COUNT = sizeof(usbd_class_drivers) / sizeof(usbd_class_
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
static tusb_error_t usbd_set_configure_received(uint8_t port, uint8_t config_number);
static tusb_error_t get_descriptor(uint8_t port, tusb_control_request_t const * const p_request, uint8_t const ** pp_buffer, uint16_t * p_length);
static tusb_error_t proc_set_config_req(uint8_t port, uint8_t config_number);
static uint16_t get_descriptor(uint8_t port, tusb_control_request_t const * const p_request, uint8_t const ** pp_buffer);
//--------------------------------------------------------------------+
// APPLICATION INTERFACE
@@ -171,8 +172,8 @@ static osal_queue_t usbd_queue_hdl;
//--------------------------------------------------------------------+
// IMPLEMENTATION
//--------------------------------------------------------------------+
tusb_error_t usbd_control_request_subtask(uint8_t port, tusb_control_request_t const * const p_request);
static tusb_error_t usbd_body_subtask(void);
static tusb_error_t proc_control_request_stask(uint8_t port, tusb_control_request_t const * const p_request);
static tusb_error_t usbd_main_stask(void);
tusb_error_t usbd_init (void)
{
@@ -216,11 +217,11 @@ void usbd_task( void* param)
(void) param;
OSAL_TASK_BEGIN
usbd_body_subtask();
usbd_main_stask();
OSAL_TASK_END
}
static tusb_error_t usbd_body_subtask(void)
static tusb_error_t usbd_main_stask(void)
{
static usbd_task_event_t event;
@@ -254,7 +255,7 @@ static tusb_error_t usbd_body_subtask(void)
if ( USBD_EVENTID_SETUP_RECEIVED == event.event_id )
{
SUBTASK_INVOKE( usbd_control_request_subtask(event.port, &event.setup_received), error );
SUBTASK_INVOKE( proc_control_request_stask(event.port, &event.setup_received), error );
}else if (USBD_EVENTID_XFER_DONE == event.event_id)
{
// Call class handling function, Class that endpoint not belong to should check and return
@@ -286,7 +287,7 @@ static tusb_error_t usbd_body_subtask(void)
//--------------------------------------------------------------------+
// CONTROL REQUEST
//--------------------------------------------------------------------+
tusb_error_t usbd_control_xfer_substak(uint8_t port, tusb_dir_t dir, uint8_t * buffer, uint16_t length)
tusb_error_t usbd_control_xfer_stask(uint8_t port, tusb_dir_t dir, uint8_t * buffer, uint16_t length)
{
OSAL_SUBTASK_BEGIN
@@ -302,34 +303,35 @@ tusb_error_t usbd_control_xfer_substak(uint8_t port, tusb_dir_t dir, uint8_t * b
}
// Status opposite direction with Zero Length
usbd_control_status(port, 1-dir);
// no need to blocking wait for status to complete
// No need to wait for status to complete therefore
// status phase must not call tusb_dcd_control_complete/tusb_dcd_xfer_complete
usbd_control_status(port, dir);
OSAL_SUBTASK_END
}
tusb_error_t usbd_control_request_subtask(uint8_t port, tusb_control_request_t const * const p_request)
static tusb_error_t proc_control_request_stask(uint8_t port, tusb_control_request_t const * const p_request)
{
OSAL_SUBTASK_BEGIN
tusb_error_t error;
error = TUSB_ERROR_NONE;
//------------- Standard Control e.g in enumeration -------------//
//------------- Standard Request e.g in enumeration -------------//
if( TUSB_REQ_RCPT_DEVICE == p_request->bmRequestType_bit.recipient &&
TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type )
{
if ( TUSB_REQ_GET_DESCRIPTOR == p_request->bRequest )
{
uint8_t const * p_buffer = NULL;
uint16_t length = 0;
uint8_t const * buffer = NULL;
uint16_t const len = get_descriptor(port, p_request, &buffer);
error = get_descriptor(port, p_request, &p_buffer, &length);
if ( TUSB_ERROR_NONE == error )
if ( len )
{
SUBTASK_INVOKE ( usbd_control_xfer_substak(port, (tusb_dir_t) p_request->bmRequestType_bit.direction, (uint8_t*) p_buffer, length ), error );
SUBTASK_INVOKE( usbd_control_xfer_stask(port, p_request->bmRequestType_bit.direction, (uint8_t*) buffer, len ), error );
}else
{
usbd_control_stall(port); // stall unsupported descriptor
}
}
else if ( TUSB_REQ_SET_ADDRESS == p_request->bRequest )
@@ -337,19 +339,21 @@ tusb_error_t usbd_control_request_subtask(uint8_t port, tusb_control_request_t c
tusb_dcd_set_address(port, (uint8_t) p_request->wValue);
usbd_devices[port].state = TUSB_DEVICE_STATE_ADDRESSED;
#ifdef NRF52840_XXAA
// nrf52 auto handle set address, no need to return status
SUBTASK_RETURN(TUSB_ERROR_NONE);
#ifndef NRF52840_XXAA // nrf52 auto handle set address, we must not return status
usbd_control_status(port, p_request->bmRequestType_bit.direction);
#endif
}
else if ( TUSB_REQ_SET_CONFIGURATION == p_request->bRequest )
{
usbd_set_configure_received(port, (uint8_t) p_request->wValue);
}else
proc_set_config_req(port, (uint8_t) p_request->wValue);
usbd_control_status(port, p_request->bmRequestType_bit.direction);
}
else
{
error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
usbd_control_stall(port); // Stall unsupported request
}
}
//------------- Class/Interface Specific Request -------------//
else if ( TUSB_REQ_RCPT_INTERFACE == p_request->bmRequestType_bit.recipient)
{
@@ -364,28 +368,28 @@ tusb_error_t usbd_control_request_subtask(uint8_t port, tusb_control_request_t c
SUBTASK_INVOKE( usbd_class_drivers[class_code].control_request_subtask(port, p_request), error );
}else
{
error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
usbd_control_stall(port); // Stall unsupported request
}
}
//------------- Endpoint Request -------------//
else if ( TUSB_REQ_RCPT_ENDPOINT == p_request->bmRequestType_bit.recipient &&
TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type &&
TUSB_REQ_CLEAR_FEATURE == p_request->bRequest )
TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type)
{
tusb_dcd_edpt_clear_stall(port, u16_low_u8(p_request->wIndex) );
} else
{
error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
if (TUSB_REQ_CLEAR_FEATURE == p_request->bRequest )
{
tusb_dcd_edpt_clear_stall(port, u16_low_u8(p_request->wIndex) );
usbd_control_status(port, p_request->bmRequestType_bit.direction);
} else
{
usbd_control_stall(port); // Stall unsupported request
}
}
if(TUSB_ERROR_NONE != error)
//------------- Unsupported Request -------------//
else
{
// Response with Protocol Stall if request is not supported
tusb_dcd_edpt_stall(port, 0);
}else if (p_request->wLength == 0)
{
usbd_control_status(port, 1-p_request->bmRequestType_bit.direction);
usbd_control_stall(port); // Stall unsupported request
}
OSAL_SUBTASK_END
@@ -393,7 +397,7 @@ tusb_error_t usbd_control_request_subtask(uint8_t port, tusb_control_request_t c
// TODO Host (windows) can get HID report descriptor before set configured
// may need to open interface before set configured
static tusb_error_t usbd_set_configure_received(uint8_t port, uint8_t config_number)
static tusb_error_t proc_set_config_req(uint8_t port, uint8_t config_number)
{
tusb_dcd_set_config(port, config_number);
usbd_devices[port].state = TUSB_DEVICE_STATE_CONFIGURED;
@@ -437,53 +441,56 @@ static tusb_error_t usbd_set_configure_received(uint8_t port, uint8_t config_num
return TUSB_ERROR_NONE;
}
static tusb_error_t get_descriptor(uint8_t port, tusb_control_request_t const * const p_request, uint8_t const ** pp_buffer, uint16_t * p_length)
static uint16_t get_descriptor(uint8_t port, tusb_control_request_t const * const p_request, uint8_t const ** pp_buffer)
{
tusb_desc_type_t const desc_type = (tusb_desc_type_t) u16_high_u8(p_request->wValue);
uint8_t const desc_index = u16_low_u8( p_request->wValue );
uint8_t const * p_data = NULL ;
uint8_t const * desc_data = NULL ;
uint16_t len = 0;
switch(desc_type)
{
case TUSB_DESC_DEVICE:
p_data = tusbd_descriptor_pointers.p_device;
(*p_length) = sizeof(tusb_descriptor_device_t);
desc_data = tusbd_descriptor_pointers.p_device;
len = sizeof(tusb_descriptor_device_t);
break;
case TUSB_DESC_CONFIGURATION:
p_data = tusbd_descriptor_pointers.p_configuration;
(*p_length) = ((tusb_descriptor_configuration_t*)tusbd_descriptor_pointers.p_configuration)->wTotalLength;
desc_data = tusbd_descriptor_pointers.p_configuration;
len = ((tusb_descriptor_configuration_t*)tusbd_descriptor_pointers.p_configuration)->wTotalLength;
break;
case TUSB_DESC_STRING:
if ( !(desc_index < 100) ) return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT; // windows sometimes ask for string at index 238 !!!
// windows sometimes ask for string at index 238 !!!
if ( !(desc_index < 100) ) return 0;
p_data = tusbd_descriptor_pointers.p_string_arr[desc_index];
ASSERT( p_data != NULL, TUSB_ERROR_FAILED);
desc_data = tusbd_descriptor_pointers.p_string_arr[desc_index];
VERIFY( desc_data != NULL, 0 );
(*p_length) = p_data[0]; // first byte of descriptor is its size
len = desc_data[0]; // first byte of descriptor is its size
break;
case TUSB_DESC_DEVICE_QUALIFIER:
// TODO If not highspeed capable stall this request otherwise
// return the descriptor that could work in highspeed
return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
return 0;
break;
// TODO Report Descriptor (HID Generic)
// TODO HID Descriptor
default: return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
default: return 0;
}
(*p_length) = min16_of(p_request->wLength, (*p_length) ); // cannot return more than hosts requires
ASSERT( (*p_length) <= TUSB_CFG_DEVICE_ENUM_BUFFER_SIZE, TUSB_ERROR_NOT_ENOUGH_MEMORY);
// up to Host's length
len = min16_of(p_request->wLength, len );
ASSERT( len <= TUSB_CFG_DEVICE_ENUM_BUFFER_SIZE, TUSB_ERROR_NOT_ENOUGH_MEMORY);
memcpy(usbd_enum_buffer, p_data, (*p_length));
memcpy(usbd_enum_buffer, desc_data, len);
(*pp_buffer) = usbd_enum_buffer;
return TUSB_ERROR_NONE;
return len;
}
//--------------------------------------------------------------------+
// USBD-CLASS API

19
tinyusb/device/usbd.h
View File

@@ -123,25 +123,6 @@ void tud_umount_cb(uint8_t port);
//void tud_device_suspended_cb(uint8_t port);
//--------------------------------------------------------------------+
// CLASS-USBD & INTERNAL API
//--------------------------------------------------------------------+
#ifdef _TINY_USB_SOURCE_FILE_
extern osal_semaphore_t usbd_control_xfer_sem_hdl;
tusb_error_t usbd_control_xfer_substak(uint8_t port, tusb_dir_t dir, uint8_t * buffer, uint16_t length);
static inline bool usbd_control_status(uint8_t port, tusb_dir_t dir)
{
return tusb_dcd_control_xfer(port, dir, NULL, 0);
}
tusb_error_t usbd_init(void);
void usbd_task( void* param);
#endif
#ifdef __cplusplus
}
#endif

73
tinyusb/device/usbd_pvt.h Normal file
View File

@@ -0,0 +1,73 @@
/**************************************************************************/
/*!
@file usbd_pvt.h
@author hathach
@section LICENSE
Software License Agreement (BSD License)
Copyright (c) 2018, hathach (tinyusb.org)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**************************************************************************/
#ifndef USBD_PVT_H_
#define USBD_PVT_H_
#ifdef __cplusplus
extern "C" {
#endif
//--------------------------------------------------------------------+
// INTERNAL API
//--------------------------------------------------------------------+
extern osal_semaphore_t usbd_control_xfer_sem_hdl;
tusb_error_t usbd_init(void);
void usbd_task( void* param);
// Carry out Data and Status stage of control transfer
tusb_error_t usbd_control_xfer_stask(uint8_t port, tusb_dir_t dir, uint8_t * buffer, uint16_t length);
// Return Status of control transfer
// Note dir is value of direction bit in setup packet (aka DATA stage direction)
static inline bool usbd_control_status(uint8_t port, tusb_dir_t dir)
{
// status direction is reversed to one in the setup packet
return tusb_dcd_control_xfer(port, 1-dir, NULL, 0);
}
static inline void usbd_control_stall(uint8_t port)
{
tusb_dcd_edpt_stall(port, 0);
}
#ifdef __cplusplus
}
#endif
#endif /* USBD_PVT_H_ */

6
tinyusb/osal/osal.h
View File

@@ -72,10 +72,10 @@
//------------- Sub Task -------------//
#define OSAL_SUBTASK_BEGIN
#define OSAL_SUBTASK_END return TUSB_ERROR_NONE;
#define OSAL_SUBTASK_END return TUSB_ERROR_NONE;
#define SUBTASK_RETURN(error) return error;
#define SUBTASK_INVOKE(subtask, status) status = subtask
#define SUBTASK_RETURN(_error) return _error;
#define SUBTASK_INVOKE(_subtask, _status) (_status) = _subtask
//------------- Sub Task Assert -------------//
#define SUBTASK_ASSERT_STATUS(sts) VERIFY_STATUS(sts)

22
tinyusb/osal/osal_none.h
View File

@@ -107,19 +107,19 @@ static inline osal_task_t osal_task_create(osal_func_t code, const char* name, u
// SUBTASK (a sub function that uses OS blocking services & called by a task
//--------------------------------------------------------------------+
#define OSAL_SUBTASK_BEGIN OSAL_TASK_BEGIN
#define OSAL_SUBTASK_END \
default: TASK_RESTART; break; \
}}\
#define OSAL_SUBTASK_END \
default: TASK_RESTART; break; \
}} \
return TUSB_ERROR_NONE;
#define SUBTASK_INVOKE(_subtask, _status) \
do {\
_state = __LINE__; case __LINE__:\
{\
_status = _subtask; /* invoke sub task */\
if (TUSB_ERROR_OSAL_WAITING == _status) /* sub task not finished -> continue waiting */\
return TUSB_ERROR_OSAL_WAITING;\
}\
#define SUBTASK_INVOKE(_subtask, _status) \
do { \
_state = __LINE__; case __LINE__: \
{ \
(_status) = _subtask; /* invoke sub task */ \
if (TUSB_ERROR_OSAL_WAITING == (_status)) return TUSB_ERROR_OSAL_WAITING; \
} \
}while(0)
//------------- Sub Task Assert -------------//

1
tinyusb/tusb.c
View File

@@ -39,6 +39,7 @@
#define _TINY_USB_SOURCE_FILE_
#include "tusb.h"
#include "device/usbd_pvt.h"
tusb_error_t tusb_init(void)
{