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subsys: usb: class: hid: Add OUT interrupt endpoint

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patch add a OUT interrupt endpoint descriptor and registers a
corresponding notification callback with usb driver, which is invoked
when data is sent to device from host.

Implement the read ready notification as suggesteed by
Aurelien Jarno <aurelien@aurel32.net>

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
Signed-off-by: Johann Fischer <j.fischer@phytec.de>
This commit is contained in:
Savinay Dharmappa 2018-05-03 20:41:17 +05:30 • committed by Anas Nashif
commit 6b44a00336
3 changed files with 63 additions and 7 deletions
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6
include/usb/class/usb_hid.h
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@ -69,6 +69,9 @@ struct hid_ops {
* the next transfer.
*/
hid_int_ready_callback int_in_ready;
#ifdef CONFIG_ENABLE_HID_INT_OUT_EP
hid_int_ready_callback int_out_ready;
#endif
};
/* HID Report Definitions */
@ -157,6 +160,9 @@ void usb_hid_register_device(const u8_t *desc, size_t size,
/* Write to hid interrupt endpoint */
int hid_int_ep_write(const u8_t *data, u32_t data_len, u32_t *bytes_ret);
/* Read from hid interrupt endpoint */
int hid_int_ep_read(u8_t *data, u32_t max_data_len, u32_t *ret_bytes);
/* Initialize USB HID */
int usb_hid_init(void);