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I2c Address Problem

Posted on February 06, 2014 at 18:30Dear Clivei want to communicate two Board  through is I2c1. sTm32f103zg  MB6722. Stm32f103Rb Discovery boardfor this i Need address Of both the Devices ,can you support me in matter how to found the Address of a d...

Capture Compare basic question

Posted on February 07, 2014 at 11:33 Hi Everybody, I have a problem understanding the capture compare functionality. I want to use channel1 to fire an interrupt if a match between CCR and counter is detected. In this case, CCR1 is set to ...

controlling motor using pwm

Posted on February 01, 2014 at 04:30Hi All anybody can help me I need a   motor control sample code using PWM in stm32f4 . I think you are too good in that, I need a sample code in which I can drive a motor , whose step angle is 1.8 degree just a sa...

sanjib by Associate III
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SysTick vs Timer Interrupt

Posted on February 06, 2014 at 12:08Hi, I like to have a millisecond interrupt. I normally use one of the timer to create millisecond interrupt. But is there any advantage of using SysTick for millisecond interrupt? What is SysTick? Thank you John ...

jonfs2000 by Associate II
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transceiver max2830 with ST microcontroller

Posted on February 05, 2014 at 16:18   Hello everyone,   I have looked for the answer on the internet but I have found no answer so far.   Would you know if it is possible to command a transceiver MAX2830 with the STM32f429 ?   http://datasheets.ma...

STM32F205 ADC in non Scan Mode

Posted on February 06, 2014 at 08:36G'day, I am working with the STM32F205 and despite having carefully read the ADC chapter in the Family Reference Manual (RM0033) I seem to be missing something... Page 231 of RM0033 Rev 5 says that the SCAN bit ...

martin by Associate II
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Help a Hardware guy with NVIC

Posted on February 06, 2014 at 19:13I am trying to understand the NVIC on a SMT32F407. I have found that we are missing USB interrupts randomly. Since I cant solder a pullup to fix the problem I am stuck. I can understand the documentation enough to...

VE7HR by Associate II
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  • 6 replies
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Tristating GPIO as an output

Posted on February 05, 2014 at 19:19Using an STM32F407, can you have a pin set up as an output and tristated?The reason that I ask is b/c my circuit is acting like it is doing just that. With my pin configuration as follows:GPIO_InitStructure.GPIO_M...

dibs by Associate II
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  • 9 replies
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STM32F4 External Interrupts not Working

Posted on February 06, 2014 at 07:46I wrote a code to generate rising edge interrupts for a 4MHz clock input to the board. The 4MHz input is generated by MCO while the core is pushed to 168MHz. I found that certain interrupts are not being tacked at...

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sankhar by Associate
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