From 403ff7f550059473ea86acde23164e2f0e9ef5e6 Mon Sep 17 00:00:00 2001
From: Pierrick C <arofarn@arofarn.info>
Date: Fri, 3 Aug 2018 15:35:03 +0200
Subject: [PATCH] Add : cut power to the GPS module if gps_enable if False to
 save battery

---
 circuitpython/code/main.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/circuitpython/code/main.py b/circuitpython/code/main.py
index 1fb70a6..5984f5d 100644
--- a/circuitpython/code/main.py
+++ b/circuitpython/code/main.py
@@ -50,6 +50,7 @@ import gc, os
 import time, rtc
 from busio import I2C, UART
 from analogio import AnalogIn
+from digitalio import DigitalInOut, Direction
 
 from adafruit_bme280 import Adafruit_BME280_I2C
 from adafruit_gps import GPS
@@ -237,13 +238,20 @@ bme280 = Adafruit_BME280_I2C(i2c, address=0x76)
 # Battery voltage
 vbat = AnalogIn(board.D9, )
 
+gps_en_pin = DigitalInOut(board.A5)
+gps_en_pin.direction = Direction.OUTPUT
+
 # GPS on FeatherWing board
+gps_en_pin.value = not gps_enable
 if gps_enable:
     gps_uart = UART(board.TX, board.RX, baudrate=9600, timeout=3000)
     gps = GPS(gps_uart)
     # Turn on the basic GGA and RMC info
     gps.send_command('PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0')
     gps.send_command('PMTK220,1000')    # 1000 ms refresh rate
+else:
+    print("GPS dis")
+    gps_en_pin = False
 
 # Integrated Neopixel
 if data_to_neopixel: