Import of the watch repository from Pebble

third_party/nanopb/tests/regression/issue_522/SConscript

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+# Regression test for #522:
+# Compile Errors when using UENUM on atmega32u4
+
+Import('env')
+
+env2 = env.Clone()
+env2.Append(CPPDEFINES = {'UENUM': '_SFR_MEM8', 'BOOL': 'foobar_bool_t',
+                          'INT32': '1234', 'OPTIONAL': 'xyz_t',
+                          'REPEATED': '0', 'STATIC': 'static',
+                          'CALLBACK': '9999'})
+env2.NanopbProto("uenum.proto")
+env2.Object(["uenum.pb.c"])
+

third_party/nanopb/tests/regression/issue_522/uenum.proto

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+syntax = "proto3";
+
+enum ReadingType {
+   UNKNOWN = 0;
+   TEMP = 1;
+   HUMIDITY = 2;
+   PRESSURE = 3;
+   CO2 = 4;
+   LIGHT = 5;
+   POWER = 6;
+}
+
+message Reading {
+   ReadingType readingType = 1;
+   float floatVal = 2;
+}
+
+message Lora {
+   float rssi = 1;
+   float frequency_error = 2;
+   float snr = 3;
+}
+
+message Meta {
+   int32 device_id = 1;
+   string device_type = 2;
+   float voltage = 3;
+   Lora lora =  4;
+}
+
+message Packet {
+   int32 packet_id = 1;
+   Meta meta = 2;
+   repeated Reading data = 3;
+}  
+