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STM32-F7 - ETM Data Trace?

Posted on September 28, 2014 at 11:57In addition to ETM instruction trace of the M3/4, the M7 does offer ETM data trace. Does the M7 implement this feature? Which debuggers and trace probes do support this feature?

fey by • Associate II
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STM32F0 I2C code doesn't work

Posted on November 22, 2013 at 17:10Hi, here my code for I2C setup on STM32F051R8 (STM32 discovery board practically)void set_I2C(void){   GPIO_InitTypeDef GPIO_InitStructure;   I2C_InitTypeDef I2C_InitStructure;  RCC_AHBPeriphClockCmd(RCC_AHBPeriph...

Hardware port fault

Posted on November 17, 2013 at 19:37I have esperiencing port hardware fault in my prototype. I want to say exactly that the port doesn't work.One of th ethings that happend to my device few month ago is that the port PA0 doesn't write anything if I ...

juanjo by • Associate II
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Generating 100us timer base & cnt (STM32F205)

Posted on November 04, 2014 at 13:461. I have STM32F205 running at 120Mhz with external 16Mhz crystal.Prefetch , Data & Instruction buffer on. timer is clocked by 60Mhz2. task is to toggle 10 pins with a base count of 100us.i.e User will enter numbe...

Wakeup from Standby doesn't work on toggle

Posted on November 03, 2014 at 10:14I work with the Wakeup pin (PA0) as STandBy wakeup.When I set PA0=''0'' change it to WakeUP pin  and then enter StandBy. When I make PA0=''1'' it get out of the Standby state and work as usuall.But when I enter to...

Barbie by • Associate II
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STM32F042K6T6 ADC Problem

Posted on October 31, 2014 at 21:24I have a strange problem. I use the code below on the STM32F05 series and it works just fine. Transfer it to the STM32F072 and it does not work. When applying voltage to any given port, the ADC readings change on m...

Question about Clock enable

Posted on November 03, 2014 at 18:32Hello, let us assume I want to put all pins of GPIOA into pull-up, but don't need GPIOA later. After enabling RCC_AHB1ENR_GPIOAEN and setting the mode in GPIOA can I safely disable RCC_AHB1ENR_GPIOAEN again withou...

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