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76 lines
1.3 KiB
76 lines
1.3 KiB
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#include <device.h> |
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#include <init.h> |
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#include <usb/usb_device.h> |
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#include <usb/class/usb_hid.h> |
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#include <dt-bindings/zmk/keys.h> |
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#include <zmk/hid.h> |
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#include <zmk/keymap.h> |
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); |
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static enum usb_dc_status_code usb_status; |
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static struct device *hid_dev; |
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static K_SEM_DEFINE(hid_sem, 1, 1); |
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static void in_ready_cb(void) |
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{ |
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k_sem_give(&hid_sem); |
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} |
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static const struct hid_ops ops = |
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{ |
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.int_in_ready = in_ready_cb, |
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}; |
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int zmk_usb_hid_send_report(const u8_t *report, size_t len) |
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{ |
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if (usb_status == USB_DC_SUSPEND) |
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{ |
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return usb_wakeup_request(); |
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} |
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k_sem_take(&hid_sem, K_FOREVER); |
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return hid_int_ep_write(hid_dev, report, len, NULL); |
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} |
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void usb_hid_status_cb(enum usb_dc_status_code status, const u8_t *params) |
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{ |
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usb_status = status; |
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}; |
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static int zmk_usb_hid_init(struct device *_arg) |
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{ |
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int usb_enable_ret; |
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hid_dev = device_get_binding("HID_0"); |
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if (hid_dev == NULL) |
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{ |
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LOG_ERR("Unable to locate HID device"); |
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return -EINVAL; |
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} |
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usb_hid_register_device(hid_dev, |
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zmk_hid_report_desc, sizeof(zmk_hid_report_desc), |
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&ops); |
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usb_hid_init(hid_dev); |
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usb_enable_ret = usb_enable(usb_hid_status_cb); |
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if (usb_enable_ret != 0) |
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{ |
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LOG_ERR("Unable to enable USB"); |
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return -EINVAL; |
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} |
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return 0; |
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} |
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SYS_INIT(zmk_usb_hid_init, |
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APPLICATION, |
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CONFIG_ZMK_USB_INIT_PRIORITY);
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