prep for installable module

1 files changed, 94 insertions, 0 deletions

diff --git a/dexcom_reader/constants.py b/dexcom_reader/constants.py
new file mode 100644
index 0000000..2f60020
--- /dev/null
+++ b/dexcom_reader/constants.py
@@ -0,0 +1,94 @@
+import datetime
+
+
+class Error(Exception):
+  """Base error for dexcom reader."""
+
+
+class CrcError(Error):
+  """Failed to CRC properly."""
+
+
+DEXCOM_G4_USB_VENDOR = 0x22a3
+DEXCOM_G4_USB_PRODUCT = 0x0047
+
+BASE_TIME = datetime.datetime(2009, 1, 1)
+
+NULL = 0
+ACK = 1
+NAK = 2
+INVALID_COMMAND = 3
+INVALID_PARAM = 4
+INCOMPLETE_PACKET_RECEIVED = 5
+RECEIVER_ERROR = 6
+INVALID_MODE = 7
+PING = 10
+READ_FIRMWARE_HEADER = 11
+READ_DATABASE_PARTITION_INFO = 15
+READ_DATABASE_PAGE_RANGE = 16
+READ_DATABASE_PAGES = 17
+READ_DATABASE_PAGE_HEADER = 18
+READ_TRANSMITTER_ID = 25
+WRITE_TRANSMITTER_ID = 26
+READ_LANGUAGE = 27
+WRITE_LANGUAGE = 28
+READ_DISPLAY_TIME_OFFSET = 29
+WRITE_DISPLAY_TIME_OFFSET = 30
+READ_RTC = 31
+RESET_RECEIVER = 32
+READ_BATTERY_LEVEL = 33
+READ_SYSTEM_TIME = 34
+READ_SYSTEM_TIME_OFFSET = 35
+WRITE_SYSTEM_TIME = 36
+READ_GLUCOSE_UNIT = 37
+WRITE_GLUCOSE_UNIT = 38
+READ_BLINDED_MODE = 39
+WRITE_BLINDED_MODE = 40
+READ_CLOCK_MODE = 41
+WRITE_CLOCK_MODE = 42
+READ_DEVICE_MODE = 43
+ERASE_DATABASE = 45
+SHUTDOWN_RECEIVER = 46
+WRITE_PC_PARAMETERS = 47
+READ_BATTERY_STATE = 48
+READ_HARDWARE_BOARD_ID = 49
+READ_FIRMWARE_SETTINGS = 54
+READ_ENABLE_SETUP_WIZARD_FLAG = 55
+READ_SETUP_WIZARD_STATE = 57
+MAX_COMMAND = 59
+MAX_POSSIBLE_COMMAND = 255
+
+EGV_VALUE_MASK = 1023
+EGV_DISPLAY_ONLY_MASK = 32768
+EGV_TREND_ARROW_MASK = 15
+
+BATTERY_STATES = [None, 'CHARGING', 'NOT_CHARGING', 'NTC_FAULT', 'BAD_BATTERY']
+
+RECORD_TYPES = [
+  'MANUFACTURING_DATA', 'FIRMWARE_PARAMETER_DATA', 'PC_SOFTWARE_PARAMETER',
+  'SENSOR_DATA', 'EGV_DATA', 'CAL_SET', 'DEVIATION', 'INSERTION_TIME',
+  'RECEIVER_LOG_DATA', 'RECEIVER_ERROR_DATA', 'METER_DATA', 'USER_EVENT_DATA',
+  'USER_SETTING_DATA', 'MAX_VALUE',
+]
+
+TREND_ARROW_VALUES = [None, 'DOUBLE_UP', 'SINGLE_UP', '45_UP', 'FLAT',
+                      '45_DOWN', 'SINGLE_DOWN', 'DOUBLE_DOWN', 'NOT_COMPUTABLE',
+                      'OUT_OF_RANGE']
+
+SPECIAL_GLUCOSE_VALUES = {0: None,
+                          1: 'SENSOR_NOT_ACTIVE',
+                          2: 'MINIMAL_DEVIATION',
+                          3: 'NO_ANTENNA',
+                          5: 'SENSOR_NOT_CALIBRATED',
+                          6: 'COUNTS_DEVIATION',
+                          9: 'ABSOLUTE_DEVIATION',
+                          10: 'POWER_DEVIATION',
+                          12: 'BAD_RF'}
+
+
+LANGUAGES = {
+  0: None,
+  1033: 'ENGLISH',
+}
+
+