zephyr: Support raw REPL.

zephyr/main.c

@@ -72,22 +72,23 @@ int real_main(void) {
     #endif
     mp_init();
     MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
+
     #if MICROPY_MODULE_FROZEN
     pyexec_frozen_module("main.py");
     #endif
-    #if MICROPY_REPL_EVENT_DRIVEN
-    pyexec_event_repl_init();
+
     for (;;) {
-        int c = mp_hal_stdin_rx_chr();
-        if (pyexec_event_repl_process_char(c)) {
+        if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
+            if (pyexec_raw_repl() != 0) {
+                break;
+            }
+        } else {
+            if (pyexec_friendly_repl() != 0) {
                 break;
             }
         }
-    #else
-    pyexec_friendly_repl();
-    #endif
-    //do_str("print('hello world!', list(x+1 for x in range(10)), end='eol\\n')", MP_PARSE_SINGLE_INPUT);
-    //do_str("for i in range(10):\r\n  print(i)", MP_PARSE_FILE_INPUT);
+    }
+
     mp_deinit();
     return 0;
 }