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USB HID - Control Transfer - How to send an IN Report

Sigma Pic

Hi,

I'm trying to modify the HID example in order to send IN Report in control transfer mode.

So I change this :

/* Endpoint, HID Interrupt In */
  USB_ENDPOINT_DESC_SIZE,            /* bLength */
  USB_ENDPOINT_DESCRIPTOR_TYPE,      /* bDescriptorType */
  USB_ENDPOINT_IN(1),                /* bEndpointAddress */
  USB_ENDPOINT_TYPE_INTERRUPT,       /* bmAttributes */
  WBVAL(0x0004),                     /* wMaxPacketSize */
  0x20,          /* 32ms */          /* bInterval */

to this :

/* Endpoint, HID Interrupt In */
  USB_ENDPOINT_DESC_SIZE,            /* bLength */
  USB_ENDPOINT_DESCRIPTOR_TYPE,      /* bDescriptorType */
  USB_ENDPOINT_IN(1),                /* bEndpointAddress */
  USB_ENDPOINT_TYPE_CONTROL,         /* bmAttributes */
  WBVAL(0x0004),                     /* wMaxPacketSize */
  0x20,          /* 32ms */          /* bInterval */

My question is how can I send an IN Report. Whats are the steps to follow with what functions ?

Thanks