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finished using usbd_enum_buffer for all std descriptors

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hathach 2014-03-23 15:39:55 +07:00
parent 1af381c2de
commit e0fd3efa70
2 changed files with 35 additions and 30 deletions
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6
demos/device/src/tusb_descriptors.c
View File

@ -137,8 +137,7 @@ uint8_t desc_mouse_report[] = {
//--------------------------------------------------------------------+
// USB DEVICE DESCRIPTOR
//--------------------------------------------------------------------+
TUSB_CFG_ATTR_USBRAM
tusb_descriptor_device_t desc_device =
tusb_descriptor_device_t const desc_device =
{
.bLength = sizeof(tusb_descriptor_device_t),
.bDescriptorType = TUSB_DESC_TYPE_DEVICE,
@ -171,8 +170,7 @@ tusb_descriptor_device_t desc_device =
//--------------------------------------------------------------------+
// USB COFNIGURATION DESCRIPTOR
//--------------------------------------------------------------------+
TUSB_CFG_ATTR_USBRAM
app_descriptor_configuration_t desc_configuration =
app_descriptor_configuration_t const desc_configuration =
{
.configuration =
{

59
tinyusb/device/usbd.c
View File

@ -271,8 +271,7 @@ tusb_error_t usbd_init (void)
ASSERT_STATUS( osal_task_create( OSAL_TASK_REF(usbd_task) ));
//------------- Descriptor Check -------------//
ASSERT_PTR(tusbd_descriptor_pointers.p_device, TUSB_ERROR_DESCRIPTOR_CORRUPTED);
ASSERT_PTR(tusbd_descriptor_pointers.p_configuration, TUSB_ERROR_DESCRIPTOR_CORRUPTED);
ASSERT(tusbd_descriptor_pointers.p_device != NULL && tusbd_descriptor_pointers.p_configuration != NULL, TUSB_ERROR_DESCRIPTOR_CORRUPTED);
//------------- class init -------------//
for (uint8_t class_code = TUSB_CLASS_AUDIO; class_code < USBD_CLASS_DRIVER_COUNT; class_code++)
@ -290,17 +289,19 @@ tusb_error_t usbd_init (void)
// CONTROL REQUEST
//--------------------------------------------------------------------+
// TODO Host (windows) can get HID report descriptor before set configured
// need to open interface before set configured
// may need to open interface before set configured
static tusb_error_t usbd_set_configure_received(uint8_t coreid, uint8_t config_number)
{
dcd_controller_set_configuration(coreid);
usbd_devices[coreid].state = TUSB_DEVICE_STATE_CONFIGURED;
//------------- parse configuration & open drivers -------------//
uint8_t* p_desc_configure = tusbd_descriptor_pointers.p_configuration;
uint8_t* p_desc = p_desc_configure + sizeof(tusb_descriptor_configuration_t);
uint8_t const * p_desc_config = tusbd_descriptor_pointers.p_configuration;
uint8_t const * p_desc = p_desc_config + sizeof(tusb_descriptor_configuration_t);
while( p_desc < p_desc_configure + ((tusb_descriptor_configuration_t*)p_desc_configure)->wTotalLength )
uint16_t const config_total_length = ((tusb_descriptor_configuration_t*)p_desc_config)->wTotalLength;
while( p_desc < p_desc_config + config_total_length )
{
if ( TUSB_DESC_TYPE_INTERFACE_ASSOCIATION == p_desc[DESCRIPTOR_OFFSET_TYPE])
{
@ -335,31 +336,37 @@ static tusb_error_t get_descriptor(uint8_t coreid, tusb_control_request_t const
tusb_std_descriptor_type_t const desc_type = (tusb_std_descriptor_type_t) u16_high_u8(p_request->wValue);
uint8_t const desc_index = u16_low_u8( p_request->wValue );
if ( TUSB_DESC_TYPE_DEVICE == desc_type )
{
(*pp_buffer) = tusbd_descriptor_pointers.p_device;
(*p_length) = sizeof(tusb_descriptor_device_t);
}
else if ( TUSB_DESC_TYPE_CONFIGURATION == desc_type )
{
(*pp_buffer) = tusbd_descriptor_pointers.p_configuration;
(*p_length) = ((tusb_descriptor_configuration_t*)tusbd_descriptor_pointers.p_configuration)->wTotalLength;
}
else if ( TUSB_DESC_TYPE_STRING == desc_type )
{
if ( !(desc_index < 100) ) return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT; // windows sometimes ask for string at index 238 !!!
uint8_t const * const p_desc_string = tusbd_descriptor_pointers.p_string_arr[desc_index];
ASSERT( p_desc_string != NULL && p_desc_string[0] <= TUSB_CFG_DEVICE_ENUM_BUFFER_SIZE, TUSB_ERROR_NOT_ENOUGH_MEMORY);
uint8_t const * p_data = NULL ;
memcpy(usbd_enum_buffer, p_desc_string, p_desc_string[0]); // first byte of descriptor is its size
(*pp_buffer) = usbd_enum_buffer;
(*p_length) = **pp_buffer;
}else
switch(desc_type)
{
return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
case TUSB_DESC_TYPE_DEVICE:
p_data = tusbd_descriptor_pointers.p_device;
(*p_length) = sizeof(tusb_descriptor_device_t);
break;
case TUSB_DESC_TYPE_CONFIGURATION:
p_data = tusbd_descriptor_pointers.p_configuration;
(*p_length) = ((tusb_descriptor_configuration_t*)tusbd_descriptor_pointers.p_configuration)->wTotalLength;
break;
case TUSB_DESC_TYPE_STRING:
if ( !(desc_index < 100) ) return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT; // windows sometimes ask for string at index 238 !!!
p_data = tusbd_descriptor_pointers.p_string_arr[desc_index];
ASSERT( p_data != NULL, TUSB_ERROR_FAILED);
(*p_length) = p_data[0]; // first byte of descriptor is its size
break;
default: return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
}
(*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);
memcpy(usbd_enum_buffer, p_data, (*p_length));
(*pp_buffer) = usbd_enum_buffer;
return TUSB_ERROR_NONE;
}