Question

我正在尝试将数据从arduino发送到RPi而不是数据库。但是当我运行我的Python代码时：

import serial
import time
import MySQLdb as mdb

arduino = serial.Serial("/dev/ttyACM0")
arduino.baudrate=9600

data=arduino.readLine()
time.sleep()
data = arduino.readLine()
blah blah blah...

IT给我一个错误

AttributeError：＆＃39; Serial＆＃39;对象没有属性＆＃39; readLine＆＃39;

我该如何解决这个问题？

Answer 1

Serial没有实现readLine。请尝试使用read。您可能首先需要open它。

https://pythonhosted.org/pyserial/pyserial_api.html#classes

Answer 2

正确的功能是：

angular.module('ui.bootstrap.demo').controller('TypeaheadCtrl',function($scope, $http) {

$scope.getLocation = function(val) { 
   return $http.get('//maps.googleapis.com/maps/api/geocode/json', {
    params: {
    address: val,
    sensor: false
   }
}).then(function(response){
return response.data.results.map(function(item){
return item.formatted_address;
});
});
};

<h4>Asynchronous results</h4>
<pre>Model: {{asyncSelected | json}}</pre>
<input type="text" ng-model="asyncSelected" placeholder="Locations loaded via $http" uib-typeahead="address for address in getLocation($viewValue)"     typeahead-loading="loadingLocations" typeahead-no-results="noResults" class="form-control">
<i ng-show="loadingLocations" class="glyphicon glyphicon-refresh"></i>
<div ng-show="noResults">
  <i class="glyphicon glyphicon-remove"></i> No Results Found
</div>

（＆＃34中只有小写字母; readline＆＃34;）

读数的迭代最好放在循环中，例如：

arduino.readline()

Arduino到RPi串行通信

2 个答案: