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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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USB CDC on 32L0538DISCOVERY

Posted on December 12, 2014 at 15:13Hi Guys, Using Cube I configure STM32L053C8T6 for USB CDC and compile the code using Keil. Using Keil I flash the 32L0538DISCOVERY. On the PC side I installed VCP_V1.4.0. When plugging PC’s USB to “USB User�...

milan2 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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STM32CubeMX is nice! Where are the examples?

Posted on December 12, 2014 at 02:58Hi there,   STM32CubeMX looks like it will be quite nice.  Where are the example files?I don't see any example files anywhere.I'd love to see examples of:* basic gpio interrupt usage* DMA to/from I2S/serial port (...

caleb by • Associate III
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  • 3 replies
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Frequency Capture Issue - missing pulses

Posted on December 11, 2014 at 03:32 Hi, I ma currently trying to use the timer capture to measure a burst pulse but it always seems to miss a couple of signals. I have measured it on an oscilloscope and I can see 10 pulses but from my f...

paul23 by • Associate II
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  • 8 replies
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