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change usbh open driver to have max_len and return driver len

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This commit is contained in:
hathach
2021-06-17 11:58:34 +07:00
parent 6e939de9d6
commit 5811122cfd
11 changed files with 104 additions and 107 deletions
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src/host/hub.c
+17 -14
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@@ -144,29 +144,32 @@ bool hub_port_get_status(uint8_t hub_addr, uint8_t hub_port, void* resp, tuh_con
//--------------------------------------------------------------------+
void hub_init(void)
{
tu_memclr(hub_data, CFG_TUSB_HOST_DEVICE_MAX*sizeof( hub_interface_t));
tu_memclr(hub_data, CFG_TUSB_HOST_DEVICE_MAX*sizeof(hub_interface_t));
}
bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length)
uint16_t hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len)
{
// not support multiple TT yet
if ( itf_desc->bInterfaceProtocol > 1 ) return false;
// hub driver does not support multiple TT yet
TU_VERIFY(TUSB_CLASS_HUB == itf_desc->bInterfaceClass &&
0 == itf_desc->bInterfaceSubClass &&
1 <= itf_desc->bInterfaceProtocol, 0);
//------------- Open Interrupt Status Pipe -------------//
tusb_desc_endpoint_t const *ep_desc;
ep_desc = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
// msc driver length is fixed
uint16_t const drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t);
TU_ASSERT(drv_len <= max_len, 0);
TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType);
TU_ASSERT(TUSB_XFER_INTERRUPT == ep_desc->bmAttributes.xfer);
//------------- Interrupt Status endpoint -------------//
tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType &&
TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer, 0);
TU_ASSERT(usbh_edpt_open(rhport, dev_addr, ep_desc));
TU_ASSERT(usbh_edpt_open(rhport, dev_addr, desc_ep));
hub_data[dev_addr-1].itf_num = itf_desc->bInterfaceNumber;
hub_data[dev_addr-1].ep_in = ep_desc->bEndpointAddress;
hub_data[dev_addr-1].ep_in = desc_ep->bEndpointAddress;
(*p_length) = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t);
return true;
return drv_len;
}
void hub_close(uint8_t dev_addr)