zephyr: fix enum.IntEnum dict indexing

Fix a mismatch in indexing a dictionary with `enum.IntEnum` keys via the
integer value of the key. It worked, but fails new type validation.

Signed-off-by: Jordan Yates <jordan@embeint.com>

Author: JordanYates

src/infuse_iot/zephyr/lte.py

@@ -22,7 +22,7 @@ def __str__(self):
             self.REGISTERED_ROAMING: "Registered (Roaming)",
             self.UICC_FAIL: "SIM card failure",
         }
-        return pretty_names[self.value]
+        return pretty_names[self]
 
 
 class AccessTechnology(enum.IntEnum):
@@ -36,7 +36,7 @@ def __str__(self):
             self.LTE_M: "LTE-M",
             self.NB_IOT: "NB-IoT",
         }
-        return pretty_names[self.value]
+        return pretty_names[self]
 
 
 class LteSystemMode(enum.IntEnum):
@@ -60,7 +60,7 @@ def __str__(self):
             self.LTE_M_NB_IOT_GNSS: "LTE-M + NB-IoT + GNSS",
             self.DEFAULT: "Modem default",
         }
-        return pretty_names[self.value]
+        return pretty_names[self]
 
 
 class LteSystemPreference(enum.IntEnum):
@@ -78,7 +78,7 @@ def __str__(self):
             self.PLMN_LTE_M: "PLMN > LTE-M",
             self.PLMN_NB_IOT: "PLMN > NB-IoT",
         }
-        return pretty_names[self.value]
+        return pretty_names[self]
 
 
 class LteBand:

src/infuse_iot/zephyr/wifi.py

@@ -37,7 +37,7 @@ def __str__(self):
             self.BAND_5_GHZ: "5 GHz",
             self.BAND_6_GHZ: "6 GHz",
         }
-        return pretty_names[self.value]
+        return pretty_names[self]
 
 
 class FrequencyChannel(enum.IntEnum):
@@ -67,7 +67,7 @@ def __str__(self):
             self.WIFI_802_11ax_6Ghz: "802.11.ax (6 GHz)",
             self.WIFI_802_11be: "802.11.be",
         }
-        return pretty_names[self.value]
+        return pretty_names[self]
 
 
 class SecurityType(enum.IntEnum):
@@ -91,4 +91,4 @@ def __str__(self):
             self.WEP: "WEP",
             self.WPA_PSK: "WPA-PSK",
         }
-        return pretty_names[self.value]
+        return pretty_names[self]