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Forum Posts

Don't understand behaviour of RTC_AlarmCmd()

Posted on May 09, 2013 at 22:05 I'm using the RTC on an STM32L151CB and at some point I'd like to disable both alarms and update alarm A. I'm using the following code which doesn't work: RTC_AlarmCmd(RTC_Alarm_A | RTC_Alarm_B, DISABLE); R...

mk299 by Associate III
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STM32 reset when wakeup by extern line from stop mode

Posted on May 23, 2013 at 18:16Hello, everybodynow I use stm32f103r8, I haved followed the reference manual and configured my mcu in to stop mode. And it has been in stopmode, but when i press button to wakeup the mcu, the mcu reset. I print value o...

jason_17 by Associate II
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  • 6 replies
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newlib/libc/usleep linker problem

Posted on May 24, 2013 at 13:24I'm sure this is something trivial, but being relatively new to MCU development I'm stumped.I'm trying to compile the toggle_GPIO example for the STM32F4G-EVAL board, modified to include a usleep(1000); line to slow it...

dsheludko by Associate II
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  • 4 replies
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SPI slave with DMA

Posted on May 06, 2013 at 16:42The original post was too long to process during our migration. Please click on the attachment to read the original post.

juan by Associate II
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  • 6 replies
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STMPE610 - Problem with Touch Detection

Posted on May 22, 2013 at 16:47Hi Forum users, I try to bring in my project all the advantages that a TFT Display with touchscreen promises. The touchscreen controller STMPE610 with the Displaytech's TFT Display, DT028ATFT-TS, is used but unfortunat...

epetrou by Associate
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  • 1 replies
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GCC Toolchain problem

Posted on May 22, 2013 at 18:17Hi , Does anyone know about a free GCC toolchain that supports hardware floating point compile (FPU)? Because i am using Cortex M4F , and codesourcery lite does not support this feature. Thanks Michael #c-runtime

STM32F4 - I2S sending & receiving

Posted on May 23, 2013 at 12:06 Hi togehter, I've some questions about the I2S interface of the STM32F405 microcontroller. I hope someone could help me I'm in a bit of a crisis here now. First to my hardware setup: I've the micr...

manuel by Associate II
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  • 1 replies
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SDADC full scale

Posted on May 17, 2013 at 10:09HiWe are using STM32F373 for the first time in our units and a problem with SDADC full scale occurred. We use it in a simple resistor measurement circuit:Circuit compares Rx with a know Rref resistor. Controller is sup...

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bpacan by Associate II
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  • 6 replies
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