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Merge pull request #891 from hathach/host-rp2040-double-buffer

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RP2040 double buffer
This commit is contained in:
Ha Thach
2021-06-28 17:39:09 +07:00
committed by GitHub
parent e3cca973ec 832d22d7ad
commit 6e939de9d6
12 changed files with 500 additions and 504 deletions
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79
src/host/usbh.c
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@@ -795,6 +795,8 @@ static bool enum_get_addr0_device_desc_complete(uint8_t dev_addr, tusb_control_r
return false;
}
TU_ASSERT(tu_desc_type(_usbh_ctrl_buf) == TUSB_DESC_DEVICE);
// Reset device again before Set Address
TU_LOG2("Port reset \r\n");
@@ -938,7 +940,7 @@ static bool enum_get_config_desc_complete(uint8_t dev_addr, tusb_control_request
// Parse configuration & set up drivers
// Driver open aren't allowed to make any usb transfer yet
parse_configuration_descriptor(dev_addr, (tusb_desc_configuration_t*) _usbh_ctrl_buf);
TU_ASSERT( parse_configuration_descriptor(dev_addr, (tusb_desc_configuration_t*) _usbh_ctrl_buf) );
TU_LOG2("Set Configuration = %d\r\n", CONFIG_NUM);
tusb_control_request_t const new_request =
@@ -988,49 +990,54 @@ static bool parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configura
// parse each interfaces
while( p_desc < _usbh_ctrl_buf + desc_cfg->wTotalLength )
{
// skip until we see interface descriptor
if ( TUSB_DESC_INTERFACE != tu_desc_type(p_desc) )
{
p_desc = tu_desc_next(p_desc); // skip the descriptor, increase by the descriptor's length
}else
{
tusb_desc_interface_t const* desc_itf = (tusb_desc_interface_t const*) p_desc;
// TODO Do we need to use IAD
// tusb_desc_interface_assoc_t const * desc_itf_assoc = NULL;
// Check if class is supported
uint8_t drv_id;
for (drv_id = 0; drv_id < USBH_CLASS_DRIVER_COUNT; drv_id++)
{
if ( usbh_class_drivers[drv_id].class_code == desc_itf->bInterfaceClass ) break;
}
// Class will always starts with Interface Association (if any) and then Interface descriptor
if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) )
{
// desc_itf_assoc = (tusb_desc_interface_assoc_t const *) p_desc;
p_desc = tu_desc_next(p_desc);
}
if( drv_id >= USBH_CLASS_DRIVER_COUNT )
TU_ASSERT( TUSB_DESC_INTERFACE == tu_desc_type(p_desc) );
tusb_desc_interface_t const* desc_itf = (tusb_desc_interface_t const*) p_desc;
// Check if class is supported
uint8_t drv_id;
for (drv_id = 0; drv_id < USBH_CLASS_DRIVER_COUNT; drv_id++)
{
if ( usbh_class_drivers[drv_id].class_code == desc_itf->bInterfaceClass ) break;
}
if( drv_id >= USBH_CLASS_DRIVER_COUNT )
{
// skip unsupported class
p_desc = tu_desc_next(p_desc);
}
else
{
usbh_class_driver_t const * driver = &usbh_class_drivers[drv_id];
// Interface number must not be used already TODO alternate interface
TU_ASSERT( dev->itf2drv[desc_itf->bInterfaceNumber] == 0xff );
dev->itf2drv[desc_itf->bInterfaceNumber] = drv_id;
if (desc_itf->bInterfaceClass == TUSB_CLASS_HUB && dev->hub_addr != 0)
{
// skip unsupported class
// TODO Attach hub to Hub is not currently supported
// skip this interface
p_desc = tu_desc_next(p_desc);
}
else
{
usbh_class_driver_t const * driver = &usbh_class_drivers[drv_id];
TU_LOG2("%s open\r\n", driver->name);
// Interface number must not be used already TODO alternate interface
TU_ASSERT( dev->itf2drv[desc_itf->bInterfaceNumber] == 0xff );
dev->itf2drv[desc_itf->bInterfaceNumber] = drv_id;
if (desc_itf->bInterfaceClass == TUSB_CLASS_HUB && dev->hub_addr != 0)
{
// TODO Attach hub to Hub is not currently supported
// skip this interface
p_desc = tu_desc_next(p_desc);
}
else
{
TU_LOG2("%s open\r\n", driver->name);
uint16_t itf_len = 0;
TU_ASSERT( driver->open(dev->rhport, dev_addr, desc_itf, &itf_len) );
TU_ASSERT( itf_len >= sizeof(tusb_desc_interface_t) );
p_desc += itf_len;
}
uint16_t itf_len = 0;
TU_ASSERT( driver->open(dev->rhport, dev_addr, desc_itf, &itf_len) );
TU_ASSERT( itf_len >= sizeof(tusb_desc_interface_t) );
p_desc += itf_len;
}
}
}