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介绍 #

VEX IQ（第二代）大脑感应类别提供了与大脑按钮和连接电池交互的方法。

以下是所有可用方法的列表：

操作——与 VEX IQ（第二代）按钮交互。

pressed – Calls a function when the specified button is pressed.
released – Calls a function when the specified button is released.

Getters – 从按钮和电池返回数据。

capacity – Returns the remaining battery capacity as a percentage.
pressing – Returns whether the specified button is being pressed.
voltage – Returns the battery voltage in volts.
current – Returns the battery current in amps.

构造函数——手动初始化大脑。

brain – Create a Brain.

pressed registers a function to be called when a specific button on the Brain is pressed. This method must be called on a specific button object, such as buttonCheck – (see full list of button objects below).

用法：
三个可用按钮对象之一可以与此方法一起使用，如下所示：

按钮	命令
`buttonCheck`	`Brain.buttonCheck.pressed(callback);` — The Check button
`buttonLeft`	`Brain.buttonLeft.pressed(callback);` — The Left button
`buttonRight`	`Brain.buttonRight.pressed(callback);` — The Right button

参数	描述
`callback`	先前定义的当按下指定按钮时执行的函数。

// Display text with this function
void onCheckPressed() {
  Brain.Screen.clearScreen();
  Brain.Screen.print("Button pressed!");
}

int main() {
  // Initializing Robot Configuration. DO NOT REMOVE!
  vexcodeInit();

   // Call the onCheckPressed when Check button is pressed
  Brain.buttonCheck.pressed(onCheckPressed);
}

released #

released registers a function to be called when a specific button on the Brain is released. This method must be called on a specific button object, such as buttonCheck – (see full list of button objects below).

用法：
三个可用按钮对象之一可以与此方法一起使用，如下所示：

按钮	命令
`buttonCheck`	`Brain.buttonCheck.released(callback);` — The Check button
`buttonLeft`	`Brain.buttonLeft.released(callback);` — The Left button
`buttonRight`	`Brain.buttonRight.released(callback);` — The Right button

参数	描述
`callback`	先前定义的当按下指定按钮时执行的函数。

// Display text with this function
void onCheckReleased() {
  Brain.Screen.clearScreen();
  Brain.Screen.print("Button released!");
}

int main() {
  // Initializing Robot Configuration. DO NOT REMOVE!
  vexcodeInit();

  // Call the onCheckReleased when Check button is released
  Brain.buttonCheck.released(onCheckReleased);
}

吸气剂 #

capacity #

capacity returns the remaining battery capacity of the Brain as a percentage.

Usage:
Brain.Battery.capacity()

参数	描述
	该方法没有参数。

pressing #

pressing returns a Boolean indicating whether a specific button on the Brain is currently being pressed. This method must be called on a specific button object, such as buttonCheck (see full list of button objects below).

1 - The specified button is being pressed.
0 - The specified button is not being pressed.

用法：
三个可用按钮对象之一可与此方法一起使用，如下所示：

按钮	命令
`buttonCheck`	`Brain.buttonCheck.pressing()` — The Check button
`buttonLeft`	`Brain.buttonLeft.pressing()` — The Left button
`buttonRight`	`Brain.buttonRight.pressing()` — The Right button

参数	描述
	该方法没有参数。

int main() {
  // Initializing Robot Configuration. DO NOT REMOVE!
  vexcodeInit();

  // Show if Check button is pressed
  while (true) {
    Brain.Screen.clearScreen();
    Brain.Screen.setCursor(1, 1);
    if (Brain.buttonCheck.pressing()) {
      Brain.Screen.print("Pressed");
    } else {
      Brain.Screen.print("Not pressed");
    }
    wait(100, msec);
  }
}

voltage #

voltage returns the Brain’s battery voltage in volts.

Usage:
Brain.Battery.voltage()

参数	描述
	该方法没有参数。

current #

current returns the Brain’s battery current in amps.

Usage:
Brain.Battery.current()

参数	描述
	该方法没有参数。

构造函数 #

brain #

brain creates an object of the brain Class.

Usage:
brain Brain;

范围	描述
	此构造函数没有参数。

int main() {
  // Initializing Robot Configuration. DO NOT REMOVE!
  vexcodeInit();

  // Create a new Brain object
  brain MyBrain;
}

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