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Merge pull request #169 from pigrew/hid_desc

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Implement HID desc request.
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hathach 2019-09-21 00:06:51 +07:00 committed by GitHub
commit f90f1a278b
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1 changed files with 20 additions and 9 deletions
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29
src/class/hid/hid_device.c
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@ -46,12 +46,13 @@ typedef struct
uint8_t boot_protocol; // Boot mouse or keyboard
bool boot_mode; // default = false (Report)
uint8_t idle_rate; // up to application to handle idle rate
uint16_t reprot_desc_len;
uint16_t report_desc_len;
CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_HID_BUFSIZE];
CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_HID_BUFSIZE];
}hidd_interface_t;
tusb_hid_descriptor_hid_t const * hid_descriptor;
} hidd_interface_t;
CFG_TUSB_MEM_SECTION static hidd_interface_t _hidd_itf[CFG_TUD_HID];
@ -167,8 +168,8 @@ bool hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t
//------------- 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);
p_hid->hid_descriptor = (tusb_hid_descriptor_hid_t const *) p_desc;
TU_ASSERT(HID_DESC_TYPE_HID == p_hid->hid_descriptor->bDescriptorType);
//------------- Endpoint Descriptor -------------//
p_desc = tu_desc_next(p_desc);
@ -178,7 +179,7 @@ bool hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t
p_hid->boot_mode = false; // default mode is REPORT
p_hid->itf_num = desc_itf->bInterfaceNumber;
memcpy(&p_hid->reprot_desc_len, &desc_hid->wReportLength, 2);
memcpy(&p_hid->report_desc_len, &(p_hid->hid_descriptor->wReportLength), 2);
*p_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
@ -192,6 +193,10 @@ bool hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t
// return false to stall control endpoint (e.g unsupported request)
bool hidd_control_request(uint8_t rhport, tusb_control_request_t const * p_request)
{
if (p_request->bmRequestType_bit.recipient != TUSB_REQ_RCPT_INTERFACE)
{
return false;
}
hidd_interface_t* p_hid = get_interface_by_itfnum( (uint8_t) p_request->wIndex );
TU_ASSERT(p_hid);
@ -202,11 +207,17 @@ 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)
{
TU_VERIFY(p_hid->hid_descriptor != NULL);
TU_VERIFY(tud_control_xfer(rhport, p_request, (void*) p_hid->hid_descriptor, p_hid->hid_descriptor->bLength));
}
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);
}else
tud_control_xfer(rhport, p_request, (void*) desc_report, p_hid->report_desc_len);
}
else
{
return false; // stall unsupported request
}
@ -251,7 +262,7 @@ bool hidd_control_request(uint8_t rhport, tusb_control_request_t const * p_reque
case HID_REQ_CONTROL_GET_PROTOCOL:
{
uint8_t protocol = 1-p_hid->boot_mode; // 0 is Boot, 1 is Report protocol
uint8_t protocol = (uint8_t)(1-p_hid->boot_mode); // 0 is Boot, 1 is Report protocol
tud_control_xfer(rhport, p_request, &protocol, 1);
}
break;