From 446beca9abda21a68c4f9dc36690bacc1c4c7c38 Mon Sep 17 00:00:00 2001
From: Jerry Needell <jerryneedell@gmail.com>
Date: Fri, 13 Sep 2019 22:18:49 -0400
Subject: [PATCH 1/2]  raise error in get_time if zero returned

---
 adafruit_esp32spi/adafruit_esp32spi.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/adafruit_esp32spi/adafruit_esp32spi.py b/adafruit_esp32spi/adafruit_esp32spi.py
index fd34782..b80f38d 100644
--- a/adafruit_esp32spi/adafruit_esp32spi.py
+++ b/adafruit_esp32spi/adafruit_esp32spi.py
@@ -766,6 +766,8 @@ def get_time(self):
         """The current unix timestamp"""
         if self.status == WL_CONNECTED:
             resp = self._send_command_get_response(_GET_TIME)
+            if struct.unpack('<i', resp[0]) == (0,):
+                raise ValueError("_GET_TIME returned 0")
             return struct.unpack('<i', resp[0])
         if self.status in (WL_AP_LISTENING, WL_AP_CONNECTED):
             raise RuntimeError("Cannot obtain NTP while in AP mode, must be connected to internet")

From 32f15cedf0d0faed82379ba6b832e75ae9643736 Mon Sep 17 00:00:00 2001
From: Jerry Needell <jerryneedell@gmail.com>
Date: Sat, 14 Sep 2019 22:16:05 -0400
Subject: [PATCH 2/2]  simplify get_time valid tst

---
 adafruit_esp32spi/adafruit_esp32spi.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/adafruit_esp32spi/adafruit_esp32spi.py b/adafruit_esp32spi/adafruit_esp32spi.py
index b80f38d..ea21bd1 100644
--- a/adafruit_esp32spi/adafruit_esp32spi.py
+++ b/adafruit_esp32spi/adafruit_esp32spi.py
@@ -766,9 +766,10 @@ def get_time(self):
         """The current unix timestamp"""
         if self.status == WL_CONNECTED:
             resp = self._send_command_get_response(_GET_TIME)
-            if struct.unpack('<i', resp[0]) == (0,):
+            resp_time = struct.unpack('<i', resp[0])
+            if resp_time == (0,):
                 raise ValueError("_GET_TIME returned 0")
-            return struct.unpack('<i', resp[0])
+            return resp_time
         if self.status in (WL_AP_LISTENING, WL_AP_CONNECTED):
             raise RuntimeError("Cannot obtain NTP while in AP mode, must be connected to internet")
         raise RuntimeError("Must be connected to WiFi before obtaining NTP.")