def run(self):
rate = rospy.Rate(20.0)
+ reset_val = self.get_reset()
+ rospy.loginfo("Reset Status: 0x%x" % reset_val)
while not rospy.is_shutdown():
+ #print struct.unpack(">B", i2c_read_reg(0x50, 0xA2, 1))[0] # count test
self.get_tle_err()
- #self.get_odom()
+ self.get_odom()
+ self.get_voltage()
#self.get_dist_forward()
#self.get_dist_backward()
#self.get_dist_left()
#self.get_dist_right()
rate.sleep()
+ def get_reset(self):
+ reset = struct.unpack(">B", i2c_read_reg(0x50, 0xA0, 1))[0]
+
+ msg = DiagnosticArray()
+ msg.header.stamp = rospy.Time.now()
+ stat = DiagnosticStatus()
+ stat.name = "Reset reason"
+ stat.level = DiagnosticStatus.ERROR if reset & 0x0c else DiagnosticStatus.OK
+ stat.message = "0x%02x" % reset
+
+ stat.values.append(KeyValue("Watchdog Reset Flag", str(bool(reset & (1 << 3)))))
+ stat.values.append(KeyValue("Brown-out Reset Flag", str(bool(reset & (1 << 2)))))
+ stat.values.append(KeyValue("External Reset Flag", str(bool(reset & (1 << 1)))))
+ stat.values.append(KeyValue("Power-on Reset Flag", str(bool(reset & (1 << 0)))))
+
+ msg.status.append(stat)
+ self.pub_diag.publish(msg)
+ return reset
+
+
def get_tle_err(self):
- err = struct.unpack(">B", i2c_read_reg(0x50, 0x94, 1))[0]
+ err = struct.unpack(">B", i2c_read_reg(0x50, 0xA1, 1))[0]
msg = DiagnosticArray()
msg.header.stamp = rospy.Time.now()
stat = DiagnosticStatus()
stat.name = "Motor: Error Status"
- stat.level = DiagnosticStatus.OK if not err else DiagnosticStatus.ERROR
- stat.message = "OK" if not err else "Error"
+ stat.level = DiagnosticStatus.ERROR if err else DiagnosticStatus.OK
+ stat.message = "0x%02x" % err
stat.values.append(KeyValue("Motor 1", str(bool(err & (1 << 0)))))
stat.values.append(KeyValue("Motor 2", str(bool(err & (1 << 1)))))
msg.status.append(stat)
self.pub_diag.publish(msg)
+
+ def get_voltage(self):
+ volt = struct.unpack(">h", i2c_read_reg(0x52, 0x09, 2))[0]/100.0
+
+ msg = DiagnosticArray()
+ msg.header.stamp = rospy.Time.now()
+ stat = DiagnosticStatus()
+ stat.name = "Voltage"
+ stat.level = DiagnosticStatus.ERROR if volt < 6 else DiagnosticStatus.OK
+ stat.message = "%.2fV" % volt
+
+ msg.status.append(stat)
+ self.pub_diag.publish(msg)
def get_odom(self):