movement: add character set demo

movement/watch_faces/demos/character_set_face.c

@@ -0,0 +1,51 @@
+#include <stdlib.h>
+#include <string.h>
+#include "character_set_face.h"
+#include "watch.h"
+
+void character_set_face_setup(movement_settings_t *settings, void ** context_ptr) {
+    (void) settings;
+    if (*context_ptr == NULL) *context_ptr = malloc(sizeof(char));
+}
+
+void character_set_face_activate(movement_settings_t *settings, void *context) {
+    (void) settings;
+    char *c = (char *)context;
+    *c = '@';
+}
+
+bool character_set_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
+    (void) settings;
+    char *c = (char *)context;
+    char buf[11];
+    switch (event.event_type) {
+        case EVENT_MODE_BUTTON_UP:
+            movement_move_to_next_face();
+            break;
+        case EVENT_LIGHT_BUTTON_DOWN:
+            movement_illuminate_led();
+            break;
+        case EVENT_ALARM_BUTTON_UP:
+            *c = (*c) + 1;
+            if (*c & 0x80) *c = ' ';
+            // fall through
+        case EVENT_ACTIVATE:
+            sprintf(buf, "%c%c%c%c%c%c%c%c%c%c", *c, *c, *c, *c, *c, *c, *c, *c, *c, *c);
+            watch_display_string(buf, 0);
+            break;
+        case EVENT_TICK:
+            break;
+        case EVENT_TIMEOUT:
+            movement_move_to_face(0);
+            break;
+        default:
+            break;
+    }
+
+    return true;
+}
+
+void character_set_face_resign(movement_settings_t *settings, void *context) {
+    (void) settings;
+    (void) context;
+}

movement/watch_faces/demos/character_set_face.h

@@ -0,0 +1,19 @@
+#ifndef CHARACTER_SET_FACE_H_
+#define CHARACTER_SET_FACE_H_
+
+#include "movement.h"
+
+void character_set_face_setup(movement_settings_t *settings, void ** context_ptr);
+void character_set_face_activate(movement_settings_t *settings, void *context);
+bool character_set_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
+void character_set_face_resign(movement_settings_t *settings, void *context);
+
+static const watch_face_t character_set_face = {
+    character_set_face_setup,
+    character_set_face_activate,
+    character_set_face_loop,
+    character_set_face_resign,
+    NULL
+};
+
+#endif // CHARACTER_SET_FACE_H_