Initial commit: MT firmware project

- BLE peripheral applications
- dr_piezo and bladder_patch projects

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

project/ble_peripheral/ble_app_bladder_patch/debug_print.h

@@ -0,0 +1,14 @@
+// file: debug_print.h
+#ifndef DEBUG_PRINT_H
+#define DEBUG_PRINT_H
+
+#define ENABLE_PRINTF 1  // Set to 0 to disable globally
+
+#if ENABLE_PRINTF
+    #include <stdio.h>
+    #define DBG_PRINTF(...) printf(__VA_ARGS__)
+#else
+    #define DBG_PRINTF(...) // Do nothing
+#endif
+
+#endif // DEBUG_PRINT_H