Merge pull request #42 from petejohanson/core/event-manager-refactor

Refactor to generic event manager, ditch "global behaviors" as a concept.

1 files changed, 106 insertions, 0 deletions

diff --git a/app/src/hid_listener.c b/app/src/hid_listener.c
new file mode 100644
index 0000000..69aa23e
--- /dev/null
+++ b/app/src/hid_listener.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <drivers/behavior.h>
+#include <logging/log.h>
+
+LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
+
+#include <zmk/event-manager.h>
+#include <zmk/events/keycode-state-changed.h>
+#include <zmk/events/modifiers-state-changed.h>
+#include <zmk/hid.h>
+#include <zmk/endpoints.h>
+
+
+static int hid_listener_keycode_pressed(u8_t usage_page, u32_t keycode)
+{
+  int err;
+  LOG_DBG("usage_page 0x%02X keycode 0x%02X", usage_page, keycode);
+  
+  switch (usage_page) {
+  case USAGE_KEYPAD:
+    err = zmk_hid_keypad_press(keycode);
+    if (err) {
+      LOG_ERR("Unable to press keycode");
+      return err;
+    }
+    break;
+  case USAGE_CONSUMER:
+    err = zmk_hid_consumer_press(keycode);
+    if (err) {
+      LOG_ERR("Unable to press keycode");
+      return err;
+    }
+    break;
+  }
+
+  return zmk_endpoints_send_report(usage_page);
+}
+
+static int hid_listener_keycode_released(u8_t usage_page, u32_t keycode)
+{
+  int err;
+  LOG_DBG("usage_page 0x%02X keycode 0x%02X", usage_page, keycode);
+  
+  switch (usage_page) {
+  case USAGE_KEYPAD:
+    err = zmk_hid_keypad_release(keycode);
+    if (err) {
+      LOG_ERR("Unable to release keycode");
+      return err;
+    }
+    break;
+  case USAGE_CONSUMER:
+    err = zmk_hid_consumer_release(keycode);
+    if (err) {
+      LOG_ERR("Unable to release keycode");
+      return err;
+    }
+    break;
+  }
+  return zmk_endpoints_send_report(usage_page);
+}
+
+static int hid_listener_modifiers_pressed(zmk_mod_flags modifiers)
+{
+  LOG_DBG("modifiers %d", modifiers);
+  
+  zmk_hid_register_mods(modifiers);
+  return zmk_endpoints_send_report(USAGE_KEYPAD);
+}
+
+static int hid_listener_modifiers_released(zmk_mod_flags modifiers)
+{
+  LOG_DBG("modifiers %d", modifiers);
+  
+  zmk_hid_unregister_mods(modifiers);
+  return zmk_endpoints_send_report(USAGE_KEYPAD);
+}
+
+int hid_listener(const struct zmk_event_header *eh)
+{
+  if (is_keycode_state_changed(eh)) {
+    const struct keycode_state_changed *ev = cast_keycode_state_changed(eh);
+    if (ev->state) {
+      hid_listener_keycode_pressed(ev->usage_page, ev->keycode);
+    } else {
+      hid_listener_keycode_released(ev->usage_page, ev->keycode);
+    }
+  } else if (is_modifiers_state_changed(eh)) {
+    const struct modifiers_state_changed *ev = cast_modifiers_state_changed(eh);
+    if (ev->state) {
+      hid_listener_modifiers_pressed(ev->modifiers);
+    } else {
+      hid_listener_modifiers_released(ev->modifiers);
+    }
+  }
+  return 0;
+}
+
+ZMK_LISTENER(hid_listener, hid_listener);
+ZMK_SUBSCRIPTION(hid_listener, keycode_state_changed);
+ZMK_SUBSCRIPTION(hid_listener, modifiers_state_changed);
\ No newline at end of file