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Forum Posts

STM32Cube USB Host : device disconnection not detected !

Posted on December 10, 2014 at 19:10Hello ! I'm trying to write a MIDIstreaming class host driver based on the CDC example. First detection of the device and class initialisation work at boot and after boot. But the disconnection and reconnection of...

bluexav by Associate III
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  • 1 replies
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STM32F0 WITH Assembly

Posted on November 30, 2014 at 13:00 Dear All , I written a program in assembly to tern on bit 8 on GPOIC It is compiled well but LED does not on processor STM32F051R8T6 IDE KEIL PRESERVE8 THUMB RCC_APB2ENR EQU 0X40021018 ...

pic_micro by Associate II
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  • 39 replies
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Interrupt problem and UART problem

Posted on December 05, 2014 at 03:03Hi ST forum,I have two separate problems: 1. How do I configure an interrupt to do X on rising edge and Y on falling edge? Currently, I can only do rising edge: (Solved, see below)/********************************...

STM32F042K6 Not always starting code execution

Posted on December 11, 2014 at 20:07Setup: I used CubeMX to generate and added code to blink 2 leds and compiled with IAR Embedded. LEDs are connected to PB3 and PB5. I have several boards I soldered 042's to with proper caps, and leds with current ...

dan by Associate II
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STM32 RTC Time lags

Posted on November 24, 2014 at 15:13Hi,I'm using STM32l151rbt6 MCU. But after few days of running the program the internal RTC starts lagging. I'm not doing RTC calibration. Any other possible reasons?Thanks. #stm32 #rtc

Pending TIM bits

Posted on December 12, 2014 at 08:57Hello forum, I have a weird issue with TIM's pending bits (I mean Cortex-M3 pending bits): they are set after enabling the overflow interrupt: void InitTIM4() {   TIM_TimeBaseInitTypeDef timer;   TIM_TimeBaseStruc...

SPI DMA recover from data shift

Posted on December 11, 2014 at 16:26The original post was too long to process during our migration. Please click on the attachment to read the original post.

bob by Associate II
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  • 4 replies
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STM32F0 - SPI 8bit data size

Posted on December 12, 2014 at 08:53I am migrating code from STM3210x to STM32F0xx. major part of the application uses spi interface. I see in logic analyzer each bursts of 16bit clocks. while I expect it to be 8bit clock for each byte and a delay o...

roy23 by Associate II
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