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Scatter Brain

Posted on March 31, 2015 at 14:32I have a bootloader which needs to read an 8 byte char array from the application area to identify it's version information. So bootloader is located at 0x08000000Application firmware at :   0x08020000the char array ...

joe by • Associate III
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how to use ISER register in cortex-m4 core

Posted on April 03, 2015 at 10:48thanks to read this.i want to activate NVIC based on cortex-m4 core.but i am struggling to use Interrupt Set Enable register(ISER).pls anyone explain about NVIC in cortex M4 core and how i can use this.          than...

STM32F3 Discovery + LCD PCD8544 (Nokia 5110)

Posted on April 03, 2015 at 02:00Hey, I'm trying to get the PCD8544 working with my STM32F3 and I used this codehttp://stm32f4-discovery.com/?wpdmdl=1766that i found on this page http://stm32f4-discovery.com/pcd8544-nokia-33105110-lcd-stm32f429-disc...

mr by • Associate
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What's ETH_PPS_OUT in STM32F4x9 MAC.

Posted on September 12, 2013 at 21:48In ethernet MAC block, Port PB5 is assigned as ETH_PPS_OUT. I searched for a while and can find the usage of it. Is it MII_TX_ER?Sink.

tonyyu by • Associate II
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STM32L communication between 2 USART

Posted on March 25, 2015 at 17:39Hello all, I 'm novice and using STM32L152RE to do a communication between 2 USARTs I use USART2 for recieving GPS Data and I would like to echo all recievied data without parsing on PC Terminal by using USART3 bu...

kitjazax by • Associate II
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INTERFACE STM32 TO SRAM USING GPIO PINS

Posted on April 01, 2015 at 13:39Hi all,        We are trying to interface a 4M  SRAM (IS62WV25616ALL) to STM32F407IGT6 through GPIO Pins of the controller. We are able to write data sucessfully into the SRAM but we are facing difficulty in READING ...

TIM1 DMA2 Request while in DMA Memory-Memory mode

Posted on March 30, 2015 at 02:07Hello friends, I'm messing around with the f4 discovery trying to get Timer 1 to send a DMA transfer request to DMA2, which would transfer a whole GPIO input register (GPIOx_IDR) to somewhere in memory. I was able to...

muffin by • Associate
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SD init after wake up from standby

Posted on April 06, 2013 at 15:06Hello.  I have a data logger on my board and i use a standby mode. When i start a program and  i put the uSD card into the slot before, all work fine for the first cycle.When i  go from the standby and i want to init...

jspika by • Associate II
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