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TIM_OCMode_Toggle PWM Duty Controll

Posted on October 05, 2013 at 08:36I'm an absolutely beginner in microcontrollers. I want to create a PWM signal wave signal  to drive main power switch at 100Khz TIM1CH1&TIM1CH1N of   STM32F103VC. I change duty (CCR1_Val) but the duty stay same at...

stm3223 by • Associate II
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  • 15 replies
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Scary java crash in CubeMX

Posted on April 23, 2014 at 14:39When you enable any part in the ADC (F401RET 64pin mcu) you get a java-crash:Apr 23, 2014 2:03:11 PM com.st.microxplorer.util.LogicalParser checkConditionSEVERE: nullcom.bestcode.mathparser.ParserException: ExpNtVld ...

belhage by • Associate
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  • 2 replies
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independent DAC Channel triggers on STMF3XX

Posted on April 21, 2014 at 07:55Hi,I am using STM32F303 to generate 2 sine-waves  on DAC_Channel1 and DAC_Channel2.I use one lookup table to generate the sine-wave. And I succeded to generate sine-waves on both channels, but the generated signals h...

bugra by • Associate II
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  • 2 replies
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STM32F429I-Disco SDRAM disable question

Posted on April 27, 2014 at 02:22 .ExternalClassFB32C94191F74142971920E4B5386622 P {margin-bottom:0.08in;} I have the STM32F429I Disco board and would like to use more GPIOs than the 27 free ones available in the current board configuration.I see...

gbarbour by • Associate III
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  • 3 replies
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stm32f4 pwm input example

Posted on April 26, 2014 at 20:44Is anybody willing to explain ''The TIMxCLK frequency is set to SystemCoreClock/4 (Hz). The Prescaler is 0, so the counter clock is SystemCoreClock/2 (Hz). '' Is TIMxCLK not the same as counter clock? Thanks, Jonath...

STM32 and computational demands

Posted on April 25, 2014 at 17:13Hello everyoneI had this question in the back of my mind for some time now, i have a vague answer, but that is not what engineers are about -precision , right !?  :)The question pertains to any MCU or DSP, how do you...

STM32CubeMX V1.1.0 + SDRAM

Posted on April 25, 2014 at 03:35Greetings all,I'm trying to use STM32CubeMX to build a configuration for the EMCraft STM32F4 SOM. In trying to get the SDRAM functional and I believe I have the settings correct; however it looks like the generated c...

malcolm23 by • Associate III
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  • 5 replies
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Can not use MCO output in VirtualComport_Loopback project

Posted on April 25, 2014 at 15:16Hi, all,    I use STM32F103VCT6 and VirtualComport_Loopback project for usb communication, the usb part works fine.     Now, I try to output the MCO at PA8, failed.void MCO_Config(void){ GPIO_InitTypeDef is;  RCC_APB...

chenbo by • Associate
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  • 2 replies
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STM32F3 USART1 RX DMA

Posted on April 24, 2014 at 15:59 Hi all, Hoping to get a second pair of eyes on this code. I'm trying to capture large amounts of data from USART1 using DMA on an F30x series MCU. So far no luck - feels like I'm looking past an ob...

connect by • Associate II
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  • 5 replies
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