mpm/mpmd: Report device state using get_init_status() and verify

When trying to run init(), mpmd will first query the initialization
status of the MPM device. If it is found to be in a bad state, it will
not go forward with initialization, but instead print the error message.

1 files changed, 7 insertions, 1 deletions

diff --git a/mpm/python/usrp_mpm/periph_manager/base.py b/mpm/python/usrp_mpm/periph_manager/base.py
index 5b30bf1ec..93edb36ce 100644
--- a/mpm/python/usrp_mpm/periph_manager/base.py
+++ b/mpm/python/usrp_mpm/periph_manager/base.py
@@ -377,11 +377,17 @@ class PeriphManagerBase(object):
         """
         Returns the status of the device after its initialization (that happens
         at startup, not that happens when init() is called).
+        The status is a tuple of 2 strings, the first is either "true" or
+        "false", depending on whether or not the device initialization was
+        successful, and the second is an arbitrary error string.
 
         Use this function to figure out if something went wrong at bootup, and
         what.
         """
-        return self._initialization_status
+        return [
+            "true" if self._device_initialized else "false",
+            self._initialization_status
+        ]
 
     @no_claim
     def list_available_overlays(self):