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joystickbit.py
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from microbit import *
import utime
# 定义引脚枚举
class JoystickBitPin:
P12 = 12
P13 = 13
P14 = 14
P15 = 15
# 定义摇杆方向类型枚举
class RockerType:
X = 1
Y = 2
# 假设ButtonType的High和Low对应于引脚上的高电平和低电平
ButtonType = {
'down': 0, # 低电平表示按下
'up': 1 # 高电平表示释放
}
class JOYSTICKBIT(object):
"""基本描述
joystick游戏手柄按键功能
"""
def init_joystick_bit(self):
"""初始化摇杆位
P0设置为低电平(假设这是用于其他目的,如初始化LED或其他功能)
四个按键初始化为上拉输入模式
震动马达控制引脚输出高电平，默认关闭状态
"""
pin0.write_digital(0)
# 设置P12, P13, P14, P15为输入并启用上拉电阻
pin12.set_pull(pin12.PULL_UP)
pin13.set_pull(pin13.PULL_UP)
pin14.set_pull(pin14.PULL_UP)
pin15.set_pull(pin15.PULL_UP)
# P16设置为高电平（可能是振动马达的控制引脚）
pin16.write_digital(1)
def get_button(self,button):
"""
button:传入按键编号(P12,P13,P14,P15)
检测对应编号按键有没有按下
按下则返回状态True,否则返回状态False
"""
pin = 1
if button == JoystickBitPin.P12:
pin12.set_pull(pin12.PULL_UP)
pin = pin12.read_digital()
elif button == JoystickBitPin.P13:
pin13.set_pull(pin13.PULL_UP)
pin = pin13.read_digital()
elif button == JoystickBitPin.P14:
pin14.set_pull(pin14.PULL_UP)
pin = pin14.read_digital()
elif button == JoystickBitPin.P15:
pin15.set_pull(pin15.PULL_UP)
pin = pin15.read_digital()
return not pin # 返回True如果按钮被按下（低电平），否则返回False
def on_button_event(self,button, event_type, handler):
"""
button:传入按键编号(P12,P13,P14,P15)
event_type:按键状态
handler:条件执行函数
检测对应编号按键此时的状态,若达到判断标准则执行handler
"""
if JOYSTICKBIT.get_button(self,button) == (event_type == ButtonType['down']):
handler()
def get_rocker_value(self,rocker):
"""
rocker:传入遥感方向
检测当前遥感对应X轴Y轴上的模拟战,即使用模拟战表示遥感在处在哪个方位
"""
if rocker == RockerType.X: # P1是摇杆X的模拟输入 # 设置ADC分辨率
return pin1.read_analog() # 读取模拟值
elif rocker == RockerType.Y: # P2是摇杆Y的模拟输入 # 设置ADC分辨率
return pin2.read_analog() # 读取模拟值
else:
return 0
def vibration_motor(self,time_ms):
"""
time_ms:时间量,单位为毫秒
控制震动马达震动time_ms毫秒
"""
pin16.write_digital(0) # 启动振动马达
utime.sleep_ms(time_ms) # 等待指定的毫秒数
pin16.write_digital(1) # 停止振动马达
# 示例用法：
# init_joystick_bit()
# print(get_button(JoystickBitPin.P12))
# on_button_event(JoystickBitPin.P13, ButtonType['down'], lambda: display.show(Image.YES)))
# print(get_rocker_value(RockerType.X))
# vibration_motor(500) # 振动500毫秒
joystickbit = JOYSTICKBIT()
if __name__ == '__main__':
joystickbit.init_joystick_bit()
# JOYSTICKBIT.get_button(JoystickBitPin.P12)
# JOYSTICKBIT.on_button_event(JoystickBitPin.P12,ButtonType['down'],lambda: display.show(Image.YES))
# JOYSTICKBIT.get_rocker_value(RockerType.X)
# JOYSTICKBIT.vibration_motor(100)