我正在研究Arduino的LED推子。为此我写了一个定义一切的类。但从昨天起我有一个问题,我无法解决它。 到目前为止,这里是我的代码:类中的变量自己重置
class LED {
int pins[4];
int r = 0;
int g = 0;
int b = 0;
int task = 1;
int taskgoal = 255;
public:
void newTask() {
...
}
void newGoal() {
...
}
boolean taskFinished() {
...
}
void runTask() {
if (taskFinished()) {
newTask();
newGoal();
cout << "New Task and new Goal.\n";
}
int current;
switch (task) {
...
}
if (current < taskgoal) {
switch (task) {
case 1:
cout << r << "+1" << "\n";
this->redefine(this->r + 1, this->g, this->b);
cout << r << "+1" << "\n";
break;
case 2:
cout << g << "+1" << "\n";
this->redefine(this->g, this->g + 1, this->b);
break;
case 3:
cout << b << "+1" << "\n";
this->redefine(this->r, this->g, this->b + 1);
break;
}
} else if (current > taskgoal) {
...
}
analogWrite(pins[0], this->r);
analogWrite(pins[1], this->g);
analogWrite(pins[2], this->b);
return;
}
void ledinit(int p[]) {
this->r = random(1, 255);
this->g = random(1, 255);
this->b = random(1, 255);
for (int i = 1; i < 3; i++) {
pins[i] = p[i];
pinMode(pins[i], OUTPUT);
}
pins[3] = p[3];
analogWrite(pins[0], this->r);
analogWrite(pins[1], this->g);
analogWrite(pins[2], this->b);
analogWrite(pins[3], LOW);
newTask();
newGoal();
runTask();
return;
}
void redefine(int rr, int gg, int bb) {
r = rr;
g = gg;
b = bb;
return;
}
};
std::vector<LED>leds;
void setup() {
Serial.begin(9600);
LED l1;
int l1pins[4] = {11, 9, 8, 10};
l1.ledinit(l1pins);
leds.push_back(l1);
}
void loop() {
for (LED l : leds) {
l.runTask();
cout << "Run Task" << "\n";
}
delay(100);
}
(引擎收录:http://pastebin.com/pQMEkG1a) 在76线我尝试加1我的功能重新定义了R值。我也直接用this->r++;
或this->r += 1;
尝试过,但都有相同的结果。它会将1添加到r变量中。但是在下一个循环中,它又像开始时一样。这就是输出的样子:
Run Task
45+1
46+1
Run Task
45+1
46+1
Run Task
45+1
46+1
但是为什么每次都是45?我认为这是一个非常容易的错,但我找不到它。
首先学习如何创建一个[Minimal,Complete,and Verifiable Example](http://stackoverflow.com/help/mcve),然后将该MCVE *作为文本复制粘贴到问题主体中。另请[请阅读如何提出好问题](http://stackoverflow.com/help/how-to-ask)。 –
请将您的代码发布到问题中。链接随着时间的推移可能会失效 – SurvivalMachine
您是否可以编辑粘贴示例以包含pastebin链接(http://pastebin.com/pQMEkG1a)和循环方法? – JVApen