Merge pull request #61 from petejohanson/sensors/sensor-keymap-bindings

Add sensor handling to keymaps.

1 files changed, 91 insertions, 0 deletions

diff --git a/app/src/behaviors/behavior_sensor_rotate_key_press.c b/app/src/behaviors/behavior_sensor_rotate_key_press.c
new file mode 100644
index 0000000..fb0fb85
--- /dev/null
+++ b/app/src/behaviors/behavior_sensor_rotate_key_press.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#define DT_DRV_COMPAT zmk_behavior_sensor_rotate_key_press
+
+#include <device.h>
+#include <drivers/behavior.h>
+#include <logging/log.h>
+
+#include <drivers/sensor.h>
+#include <zmk/event-manager.h>
+#include <zmk/events/keycode-state-changed.h>
+
+LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
+
+struct behavior_sensor_rotate_key_press_config {
+  u8_t usage_page;
+};
+struct behavior_sensor_rotate_key_press_data { };
+
+static int behavior_sensor_rotate_key_press_init(struct device *dev)
+{
+	return 0;
+};
+
+
+static int on_sensor_binding_triggered(struct device *dev, struct device *sensor, u32_t increment_keycode, u32_t decrement_keycode)
+{
+  const struct behavior_sensor_rotate_key_press_config *cfg = dev->config_info;
+  struct sensor_value value;
+  int err;
+  u32_t keycode;
+  struct keycode_state_changed *ev;
+  LOG_DBG("usage_page 0x%02X inc keycode 0x%02X dec keycode 0x%02X", cfg->usage_page, increment_keycode, decrement_keycode);
+
+  err = sensor_channel_get(sensor, SENSOR_CHAN_ROTATION, &value);
+
+  if (err) {
+    LOG_WRN("Failed to ge sensor rotation value: %d", err);
+    return err;
+  }
+
+  switch (value.val1) {
+    case 1:
+      keycode = increment_keycode;
+      break;
+    case -1:
+      keycode = decrement_keycode;
+      break;
+    default:
+      return -ENOTSUP;
+  }
+
+  LOG_DBG("SEND %d", keycode);
+
+
+  ev = new_keycode_state_changed();
+  ev->usage_page = cfg->usage_page;
+  ev->keycode = keycode;
+  ev->state = true;
+  ZMK_EVENT_RAISE(ev);
+
+  // TODO: Better way to do this?
+  k_msleep(5);
+
+  ev = new_keycode_state_changed();
+  ev->usage_page = cfg->usage_page;
+  ev->keycode = keycode;
+  ev->state = false;
+  return ZMK_EVENT_RAISE(ev);
+}
+
+static const struct behavior_driver_api behavior_sensor_rotate_key_press_driver_api = {
+  .sensor_binding_triggered = on_sensor_binding_triggered
+};
+
+#define KP_INST(n) \
+  static const struct behavior_sensor_rotate_key_press_config behavior_sensor_rotate_key_press_config_##n = { \
+    .usage_page = DT_INST_PROP(n, usage_page) \
+  }; \
+  static struct behavior_sensor_rotate_key_press_data behavior_sensor_rotate_key_press_data_##n; \
+  DEVICE_AND_API_INIT(behavior_sensor_rotate_key_press_##n, DT_INST_LABEL(n), behavior_sensor_rotate_key_press_init, \
+                      &behavior_sensor_rotate_key_press_data_##n, \
+                      &behavior_sensor_rotate_key_press_config_##n, \
+                      APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \
+                      &behavior_sensor_rotate_key_press_driver_api);
+
+DT_INST_FOREACH_STATUS_OKAY(KP_INST)
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