From: Erik Andresen <erik@vontaene.de>
Date: Tue, 8 Aug 2017 20:08:14 +0000 (+0200)
Subject: wt_node: Warn every 10s if voltage is lo10s if voltage is loww
X-Git-Url: https://defiant.homedns.org/gitweb/?p=ros_wild_thumper.git;a=commitdiff_plain;h=065571396c4327c12198fa8b368f7e17eb633861

wt_node: Warn every 10s if voltage is lo10s if voltage is loww
---

diff --git a/scripts/wt_node.py b/scripts/wt_node.py
index 1cf9d8d..bb6fbb0 100755
--- a/scripts/wt_node.py
+++ b/scripts/wt_node.py
@@ -69,6 +69,7 @@ class MoveBase:
 		self.cur_vel = (0, 0)
 		self.bMotorManual = False
 		self.set_speed(0, 0)
+		self.volt_last_warn = rospy.Time.now()
 		rospy.loginfo("Init done")
 		i2c_write_reg(0x50, 0x90, struct.pack("BB", 1, 1)) # switch direction
 		self.pStripe = LPD8806(1, 0, 12)
@@ -210,6 +211,10 @@ class MoveBase:
 		msg.status.append(stat)
 		self.pub_diag.publish(msg)
 
+		if volt < 7 and (rospy.Time.now() - self.volt_last_warn).to_sec() > 10:
+			rospy.logerr("Voltage critical: %.2fV" % (volt))
+			self.volt_last_warn = rospy.Time.now()
+
 
 	def get_odom(self):
 		speed_trans, speed_rot, posx, posy, angle = struct.unpack(">fffff", i2c_read_reg(0x50, 0x38, 20))