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Forum Posts

ADC multi channel & DMA reads only first channel

Posted on May 16, 2015 at 18:34I have a project with 3 channels DMA with STM32F407VGT (STM32F4-Discovery). The channels 2,3 and 4 (PA2, PA3, PA4) are used to read the ADC values. Its enough to read the values every 10 seconds. So the poling mode is ...

Osto by Senior
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  • 4 replies
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CAN Problem on STM32F415

Posted on May 15, 2015 at 13:24Dear All, There is a problem with CAN message reception/transmission with STM32F415 on a custom board with MCP2551 CAN tranceiver. CAN is initialized successfully. I have checked the APB1 clock with RCC_GetClocksFreq f...

davhak by Associate II
  • 548 Views
  • 3 replies
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Preprocesspr gray out Keil 5

Posted on May 15, 2015 at 21:50 In Coocox the compiler will gray out the unused preprocessor code, is very handy. Can't find this option in Keil uvision 5, how do you guys do that?

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STM32F429I-DISCO Java Demonstration

Posted on May 15, 2015 at 18:07Games in Java, called STM32-JAVA-GAMES, is a graphical Java demonstration built for STM32F429 Discovery kit (32F429IDISCOVERY) and developed with STM32Java (STM32-JAVA).This demonstration includes a Java application la...

TarekB-ST by Associate III
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  • 1 replies
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HAL_Delay hangs up in infinite loop

Posted on April 09, 2015 at 11:32Hi, I'm trying to port ble sensor demo to System workbench on nucleo F411RE. Everything now compile fines but nothing happens when executing. Step by step execution shows that HAL_Delay causes an unhandled exception ...

JulienD by Senior
  • 341 Views
  • 1 replies
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Buffer overun in stm320518_eval_cec.c

Posted on May 15, 2015 at 18:28I was running code through a static analysis tool and it found this problem in a number of places:Array 'HDMI_CEC_DeviceMap[14]' accessed at index 19, which is out of bounds.The problem seems to be that the the arrary ...

rfrank by Associate
  • 397 Views
  • 0 replies
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STM32L051K8 Standard Peripheral Library

Posted on May 15, 2015 at 16:52Hi all,Throughout my time programming STM32 microcontrollers, I've used the standard peripheral libraries. Having recently designed my latest product around the STM32L051K8, I thought there would be a standard peripher...

harris by Associate II
  • 609 Views
  • 2 replies
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STM32F4 waking up from STANDBY by RTC alarm

Posted on May 11, 2015 at 15:27Hi,I have a big problem with waking up the STM32F4 MCU from STANDBY mode by RTC alarm and I dont see any solutions...The problem is that the MCU wakes up only sometimes from the RTC Alarm. Usually like 3 times in a row...