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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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20
src/class/hid/hid_host.c
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@@ -247,29 +247,33 @@ static bool config_get_protocol (uint8_t dev_addr, tusb_control_requ
static bool config_get_report_desc (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result);
static bool config_get_report_desc_complete (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result);
bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t *p_length)
uint16_t hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len)
{
TU_VERIFY(TUSB_CLASS_HID == desc_itf->bInterfaceClass);
(void) max_len;
TU_VERIFY(TUSB_CLASS_HID == desc_itf->bInterfaceClass, 0);
uint16_t drv_len = sizeof(tusb_desc_interface_t);
uint8_t const *p_desc = (uint8_t const *) desc_itf;
//------------- HID descriptor -------------//
p_desc = tu_desc_next(p_desc);
tusb_hid_descriptor_hid_t const *desc_hid = (tusb_hid_descriptor_hid_t const *) p_desc;
TU_ASSERT(HID_DESC_TYPE_HID == desc_hid->bDescriptorType);
TU_ASSERT(HID_DESC_TYPE_HID == desc_hid->bDescriptorType, 0);
// not enough interface, try to increase CFG_TUH_HID
// TODO multiple devices
hidh_device_t* hid_dev = get_dev(dev_addr);
TU_ASSERT(hid_dev->inst_count < CFG_TUH_HID);
TU_ASSERT(hid_dev->inst_count < CFG_TUH_HID, 0);
//------------- Endpoint Descriptor -------------//
drv_len += tu_desc_len(p_desc);
p_desc = tu_desc_next(p_desc);
tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc;
TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType);
TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType, 0);
// TODO also open endpoint OUT
TU_ASSERT( usbh_edpt_open(rhport, dev_addr, desc_ep) );
TU_ASSERT( usbh_edpt_open(rhport, dev_addr, desc_ep), 0 );
hidh_interface_t* hid_itf = get_instance(dev_addr, hid_dev->inst_count);
hid_dev->inst_count++;
@@ -285,9 +289,9 @@ bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de
hid_itf->protocol_mode = HID_PROTOCOL_REPORT; // Per Specs: default is report mode
if ( HID_SUBCLASS_BOOT == desc_itf->bInterfaceSubClass ) hid_itf->itf_protocol = desc_itf->bInterfaceProtocol;
*p_length = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
drv_len += desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
return true;
return drv_len;
}
bool hidh_set_config(uint8_t dev_addr, uint8_t itf_num)