}/* 设置PWM周期和脉冲宽度 */rt_pwm_set(pwm_dev,PWM_DEV_CHANNEL,period,pulse);// rt_pwm_enable(pwm_dev, PWM_DEV_CHANNEL);} }/* 导出到 msh 命令列表中 */MSH_CMD_EXPORT(pwm_led_sample,pwmsample);
PWM是从IN输入，Enable是使能输入，高电平则那部分可以工作，看看电路图可以很容易的知道。
Enable PWM pin P9_14 (PWM1A)and set duty cycle, frequency, and voltage. bbb = beaglebone(); enablePWM(bbb, 'P9_14') writePWMDutyCycle(bbb, 'P9_14', 0.5) writePWMFrequency(bbb, 'P9_14', 2000) writePWMVoltage(bbb, 'P9_14', 1.5) The result is a square wave with 50% duty cyc...
enablePWM(bbb, pin_name) Description enablePWM(bbb,pin_name)enables the PWM pin,pin_name. example Examples collapse all Enable PWM and Set Properties Enable PWM pinP9_14 (PWM1A)and set duty cycle, frequency, and voltage. bbb = beaglebone(); enablePWM(bbb,'P9_14') writePWMDutyCycle(bbb...
Other Parts Discussed in Thread: AM3352 用的是AM3352的处理器,想在uboot阶段实现喂狗操作,在uboot源码中找到enable-pwm函数,然后模仿 我想在此处改成PWMSS2,ECAP2,然后我自己在这里加上寄存器地址,发现,程序总是卡在这里,将其改成原来的pwmss0和ecap0
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发现灯达不到渐变的效果，然后我看了下自带的程序，发现我少了 TIM_CtrlPWMOutputs(TIM1,ENABLE);//...
Describe the bug I am calling pwm_configure_capture for both channels first, and then pwm_enable_capture. However, when I call pwm_enable_capture for the second channel (regardless of the order) I receive the error message: pwm_stm32: PW...
EnablePin(Int32) 方法 參考 意見反應 定義 命名空間: Windows.Devices.Pwm.Provider 編輯 在指定的針腳上啟動 PWM 訊號。 C# 複製 public void EnablePin(int pin); 參數 pin Int32 要啟動 PWM 訊號的針腳。 適用於 產品版本 WinRT Build 10240, Build 10586, Build 14383, Build 15063, Build ...
The new PrimAccurate iW1699 and iW1760 digital PWM (pulse-width modulation) controllers from iWatt Inc allow power-adapter designers to meet stringent emerging global energy regulations for ac/dc power adapters- which require them to consume less than 100 mW of standby power-while enabling a ...