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Keil assembly for stm32f4

Posted on June 12, 2017 at 18:53 hi everybody i have a assembly program and want to use it in my project . but keil don't compile this directly. i don't have enough knowledge to correct and convert code to keil could compile this code. pl...

eittinfo by Associate II
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STM32F103ZET6 RTC DATE BACKUP NOT WORK.

Posted on June 13, 2017 at 01:36Hello.I have a question about RTC BATTERY BACK UP.I am using RTC. And an external battery.When the power is ON / OFF, the RTC TIME backup function works well.However, RTC_DATE is not backed up.How to solve the problem...

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Disabling GPIO Clocks for AF I/O Fails.

Posted on June 12, 2017 at 18:30The data sheet for the STM32L476xx (DocID025976 Rev 4 states on page 124, footnote 2 of table 40) states:� In order to save the full GPIOx current consumption, the GPIOx clock should be disabled in the RCC when all po...

Resolved! FMC hardfault STM32L471

Posted on June 12, 2017 at 17:12Hello,I tried my LCD with parallel FMC-16bit on the NucleoL496 kit. All is working so far so good.Now I working on my board and this is a L471 processor.The problem is that it crashes when I try to writing to FMC(0x60...

pcu by Associate II
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General USART2 issues on STM32F3

Posted on May 27, 2017 at 00:08Hello everyone, I started programming for one of my student projects but I am pretty hung up on the USART2 configuring. I have worked with Arduinos before, but I must admit that STM32 is a complete different level :) I...

STM32f1 Push-Pull PWM

Posted on June 11, 2017 at 13:15Hi,I want to create two PWM by STM32F103 for a Push-Pull system. Now, I would be grateful if you tell me how can I shift one of the PWMs through this sysem?

nxp by Associate II
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NFC Forum type 4A

Posted on June 12, 2017 at 17:36Please can anybody advise me what devices ST do which support NFC Forum type 4A and also support I2C.I have been using M24SR64-Y device but found this device is not suitable.Thanks

Adc conversion

Posted on June 12, 2017 at 13:02Hi all,I'm using STM32F030 in Nucleo-64 board.I wish to obtain simply the result of adc conversion of two inputs, using DMA.But in the project of the attachment I read random values in ADC_buffer[0], ADC_buffer[1]. I ...

sav gas by Associate II
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Resolved! Timer PWM change period on runtime

Posted on June 12, 2017 at 11:17Hi everyone,In my project, I need to generate a PWM with some parameters which need to be changed during runtime.Here are the parameters : - Duty cycle- Period- Voltage level (I think this one is not possible... maybe...

Zarck.zek by Associate II
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32L0538DISCOVERY IDD measure

Posted on June 11, 2017 at 13:55Where can I find code example for Idd measure?Kit page does not seem to have such linkhttp://www.st.com/en/evaluation-tools/32l0538discovery.html It would be great to have complete source for preloaded demo. Thank you...