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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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TIMING issues

Posted on July 20, 2013 at 20:19im trying to pull a pin high and drop low right before SPI transmission. Any suggestions on how i can accomplish this? Basically i need a command that will do this every time there is a transmission. #stm32f103

timothy by Associate II
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hex file compatibility

Posted on July 19, 2013 at 19:46It's possible to create an hex file with IAR Embedded Workbench and download through the keil uVision the same file?I have an error:No Algorithm found for: 00000000H - 0000063FH #hex-file-stm32f103-iar-keil

SEGGER embOS/Micrium OS-III on STM32F4

Posted on July 17, 2013 at 09:58Hi , Maybe someone here can help me with the issue that i am having . I am currently evaluating both embOS and OS-III on STM32F4G-Eval, and i see the same issue on both of them . After starting my task , when inside ...

DMA working in a strange way

Posted on July 19, 2013 at 08:13first of all the DMA code:void DMA_Config(uint32_t addr){//int addr=&ipbuffer;NVIC_InitTypeDef NVIC_InitStructure;DMA_InitTypeDef  DMA_InitStructure;/* Enable DMA clock */RCC_AHB1PeriphClockCmd(DMA_STREAM_CLOCK, ENABL...

JPEG decompression to BMP

Posted on July 17, 2013 at 11:47Hello all,I've been trying to convert JPEG files to BMP for over two weeks. I have STM3240G-EVAL which includes IJG's JPEG library in its ''demonstration builder'', however, I could not figure out how to use it. All I...

gnyturan by Associate II
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STM32F407 dont stop SPI communication properly

Posted on July 18, 2013 at 21:19Hi, I have Problems with STM32F407VGT6 and SPI, I read from SPI 2x 16-bit words from device. In documentation is written after the first word is read then wait for short period that th one clock cycle starte then disa...

Osto by Senior
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GPIOB_pin12 connecting to interrupt line

Posted on July 23, 2012 at 22:26 hello, i am trying to make interrupt based touchscreen program, but have no luck connecting GPIOB_pin12 to interrupt line i was able to do so in GPIOA_pin1, but still cant figureout how to do that on GPIO...

linas2 by Associate II
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MIPS as indicator for performance

Posted on July 15, 2013 at 18:50Hi , I am working on Cortex M4F CPU , its 168 MHZ , i know that Cortex M4F is 1.25 MIPS per MHZ so a quick calculation will give me total of 210 MIPS . Lets say i have an algorithm  that runs 3 seconds , so what shou...