wait before sending HID report
+#include <zephyr.h>
#include <device.h>
#include <init.h>
@@ -15,6 +16,18 @@ static enum usb_dc_status_code usb_status;
static struct device *hid_dev;
+static K_SEM_DEFINE(hid_sem, 1, 1);
+
+static void in_ready_cb(void)
+{
+ k_sem_give(&hid_sem);
+}
+
+static const struct hid_ops ops =
+{
+ .int_in_ready = in_ready_cb,
+};
+
int zmk_usb_hid_send_report(const u8_t *report, size_t len)
{
if (usb_status == USB_DC_SUSPEND)
@@ -22,6 +35,7 @@ int zmk_usb_hid_send_report(const u8_t *report, size_t len)
return usb_wakeup_request();
}
+ k_sem_take(&hid_sem, K_FOREVER);
return hid_int_ep_write(hid_dev, report, len, NULL);
}
@@ -43,7 +57,7 @@ static int zmk_usb_hid_init(struct device *_arg)
usb_hid_register_device(hid_dev,
zmk_hid_report_desc, sizeof(zmk_hid_report_desc),
- NULL);
+ &ops);
usb_hid_init(hid_dev);
