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Code Issues Releases Activity

Implement HID desc request.

This commit is contained in:
Nathan Conrad 2019-09-17 11:28:29 -04:00
parent 77cc5b1b0c
commit 915f52730d
1 changed files with 23 additions and 1 deletions
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24
src/class/hid/hid_device.c
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@ -202,7 +202,29 @@ bool hidd_control_request(uint8_t rhport, tusb_control_request_t const * p_reque
uint8_t const desc_index = tu_u16_low (p_request->wValue);
(void) desc_index;
if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_REPORT)
if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_HID)
{
// FIXME: Should check which is the active configuration, but no callback in usbd currently exists to do that
tusb_desc_configuration_t const* desc_cfg =
(tusb_desc_configuration_t const*) tud_descriptor_configuration_cb(0);
uint8_t const * p_desc = ((uint8_t const*) desc_cfg) + sizeof(tusb_desc_configuration_t);
uint8_t const * desc_end = ((uint8_t const*) desc_cfg) + desc_cfg->wTotalLength;
while( p_desc < desc_end )
{
tusb_hid_descriptor_hid_t *p_desc_hid =(tusb_hid_descriptor_hid_t*)p_desc;
if(p_desc_hid->bDescriptorType == HID_DESC_TYPE_HID) {
tud_control_xfer(rhport, p_request, (void*) p_desc_hid, p_desc_hid->bLength);
break;
}
p_desc += p_desc_hid->bLength; // next desc
}
if(p_desc >= desc_end)
{
return false;
}
}
else if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_REPORT)
{
uint8_t const * desc_report = tud_hid_descriptor_report_cb();
tud_control_xfer(rhport, p_request, (void*) desc_report, p_hid->reprot_desc_len);