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guray · 2013-10-14

Posted on October 14, 2013 at 12:47Hi, I am trying to drive a servo motor(for this case, TowerPro MG90S), so I want to get 50 hz frequency and duty cycle between %5 and %10. My board is STM32F407 Discovery. I tried to change Peripheral Lib example a...

guray · 2013-10-14

Posted on October 14, 2013 at 15:51Hi, I spend some time debugging and realized that the system uses HSI as clock source. So it explains why it is working at 16Mhz instead of 84 Mhz. I called SystemCoreClockUpdate() function in the system_stm32f4xx....

guray · 2013-10-14

Posted on October 14, 2013 at 14:07Thanks, this week is holiday on my country, I dont have a scope or logic analyzer with me for now. In a couple of days I will check the output with a scope and write the results.

guray · 2013-10-14

Posted on October 14, 2013 at 13:42Hi, Thanks for the correction, I changed my values with yours. I want to drive them using hardware pwm without interrupts, so I ported the codes in link: TIM_TimeBaseStructure.TIM_Period = 20000-1; TIM_TimeBase...

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Servo Motor Frequency and Duty Cycle Problems stm32f407

Re: Servo Motor Frequency and Duty Cycle Problems stm32f407

Re: Servo Motor Frequency and Duty Cycle Problems stm32f407

Re: Servo Motor Frequency and Duty Cycle Problems stm32f407