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[usb device] Fix the problem of multiple altsetting of interface failing to properly enumerate. 

修复多备用设备的接口不能正常枚举的问题。
This commit is contained in:
guozhanxin 2019-09-12 18:00:18 +08:00
parent 900cc4b13b
commit 59dfbb1266
1 changed files with 20 additions and 15 deletions
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21
components/drivers/usb/usbdevice/core/core.c
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@ -1488,9 +1488,10 @@ uep_t rt_usbd_find_endpoint(udevice_t device, ufunction_t* pfunc, rt_uint8_t ep_
*/
rt_err_t rt_usbd_device_add_config(udevice_t device, uconfig_t cfg)
{
struct rt_list_node *i, *j, *k;
struct rt_list_node *i, *j, *k, *m;
ufunction_t func;
uintf_t intf;
ualtsetting_t altsetting;
uep_t ep;
RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_device_add_config\n"));
@ -1512,11 +1513,14 @@ rt_err_t rt_usbd_device_add_config(udevice_t device, uconfig_t cfg)
intf = (uintf_t)rt_list_entry(j, struct uinterface, list);
cfg->cfg_desc.bNumInterfaces++;
/* allocate address for every endpoint in the interface alternate setting */
for(k=intf->curr_setting->ep_list.next;
k!=&intf->curr_setting->ep_list; k=k->next)
for(k=intf->setting_list.next; k!=&intf->setting_list;k=k->next)
{
ep = (uep_t)rt_list_entry(k, struct uendpoint, list);
altsetting = (ualtsetting_t)rt_list_entry(k, struct ualtsetting, list);
/* allocate address for every endpoint in the interface alternate setting */
for(m=altsetting->ep_list.next; m!=&altsetting->ep_list; m=m->next)
{
ep = (uep_t)rt_list_entry(m, struct uendpoint, list);
if(rt_usbd_ep_assign(device, ep) != RT_EOK)
{
rt_kprintf("endpoint assign error\n");
@ -1525,9 +1529,10 @@ rt_err_t rt_usbd_device_add_config(udevice_t device, uconfig_t cfg)
/* construct complete configuration descriptor */
rt_memcpy((void*)&cfg->cfg_desc.data[cfg->cfg_desc.wTotalLength - USB_DESC_LENGTH_CONFIG],
(void*)intf->curr_setting->desc,
intf->curr_setting->desc_size);
cfg->cfg_desc.wTotalLength += intf->curr_setting->desc_size;
(void*)altsetting->desc,
altsetting->desc_size);
cfg->cfg_desc.wTotalLength += altsetting->desc_size;
}
}
}