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STM32F4Discovery RTC WakeUp Interrupt

Posted on August 17, 2014 at 15:34 Hello,I'm currently quiet frustratedI'm trying to set up with the RTC wakeUp register an interrupt of 128Hz. For the RTC the LSI is used (I know not very precisely but for current testing propuse its enough)here i...

SRAM_DataMemory Issue

Posted on August 13, 2014 at 10:55Hi, I am unable to run the example STM32F10x_StdPeriph_Lib_V3.5.0\Project\STM32F10x_StdPeriph_Examples\FSMC\SRAM_DataMemory on my STM3210E-EVAL Board. Although I have made the following settings Project->Options ...

Simple Question on Ethernet Boundary Addresses

Posted on August 18, 2014 at 08:50In the STM32F407xx Datasheet (Doc ID 022152 Rev 4) Table 10 ''STM32F40x register boundary addresses'', there are 5 base addresses listed for the Peripheral ETHERNET MAC. How do these base addresses correspond to th...

wjthomas by Associate
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STemWin and Cursor Invalidation

Posted on August 18, 2014 at 07:41Hi,I have a problem with touchscreen cursor:When I move my finger on the touchscreen, although the cursor follows me, it remains its trace on the LCD. As if I'm drawing something, like in a Paint program. My deducti...

Encoder configuration giving erroneous speed

Posted on August 16, 2014 at 13:49Hi, I am trying to measure the rpm of a geared DC motor. The manufacturer claims a speed of 500rpm at 12V but my calculations give a speed of around 1600rpm! The gear ratio is 19:1. I have written the following code...

furqan by Associate II
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LTDC_ColorKeying help (STM32F4 Discovery)

Posted on August 17, 2014 at 18:36Dear friends. I try to learn how to work with LCD using the peripheral example - LTDC_ColorKeying. What documentation should I read to understand how to work with the LCD? I tried to follow the code but have lost (s...

baev_al by Associate II
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How to change the CPU with STMCube

Posted on August 14, 2014 at 23:09Hi,I have a project with STM32F417 and want to change it to SMT32F407.I cant find any way to change the CPU.How can I change without enter all information again into STMCube?Tkans for you help.

Osto by Senior
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inverted uart input

Posted on August 17, 2014 at 02:04Hi, I have a device which is sending an inverted UART on the line. The startbit is 1, the stopbits are 0. The whole line is inverted, but the other syntax of uart is right. So is there e possibility for receiving th...