STM32 MCUs Products

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Forum Posts

LCD TFT Hello World at 8bpp? How? on STM32429I DISCO

Posted on March 22, 2015 at 02:49Hi,Using the STM32429I DISCO demo board which has a 320x240 TFT LCD.Running one of the demos in the STM32CubeF4, that uses the ''STemWin'' library to write a ''Hello World!'' message on the LCD.By default the demo us...

I2C Problem STM32f072b

Posted on March 21, 2015 at 16:51Hi, I' am trying to let STM32f072b discovery board to communicate with my I2C device(TSL2561T). But I'm having problem in that which I don't know why the code is not working. I know where it stops (marked with orange...

eeyjws by Associate II
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F103C8 Clock issue?

Posted on March 20, 2015 at 19:41 Hello, I'm looking for some help about the main frequency. Maybe I do not understand correctly the documentation. My test program is just a blinking LED on PORTA PIN 0. RCC->APB2ENR |= RCC_APB2...

STM32F4 TIM2 setup for PWM - solved

Posted on March 21, 2015 at 14:32Hello,could anybody help me with settings this timer to work correctly, please?I use 3 timers, each timer should behave same - same PWM output characteristics (frequency), TIM2, TIM8 and TIM12.All these timers are li...

zexx86 by Associate II
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TIM_SetCounter(TIM4, 32000); problem

Posted on March 19, 2015 at 11:12Hi all! Anyone help me what mean of function “ voidTIM_SetCounter(TIM_TypeDef* TIMx, uint16_t Counter); For example TIM_SetCounter(TIM4, 32000);I don’t know how can calculate varieble uint16_tCounter.If you have an e...

Measuring time using an STM32F407VGT6

Posted on March 20, 2015 at 22:03Hello. I'm using a custom board for charging and testing batteries. Its 'brain' is an STM32F407VGT6 microcontroller. I'm developing in Ubuntu (14.04.2 LTS), using ChibiStudio (ChibiOS/RT 3.0 development branch and Ec...

STM32F4 I2C issue - solved

Posted on March 20, 2015 at 18:41Hello,we are migrating our device from STM32F1 to F4 (415RGT6).Basically wiring is very similar, connected peripherals too.We have one device that communicating over I2C bus, but with same code it is unable to work w...

zexx86 by Associate II
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My debugger use a lot of RAM memory space

Posted on March 18, 2015 at 11:41Hello everybody,I have a trouble with the RAM memory space when I'm in debug mode with my STM32F4. I think my debugger take a lot of RAM space resources because I can't watch my variables anymore when my variables ta...

NUCLEO-F103RB - CAN bus problem - No TX sent

Posted on March 20, 2015 at 02:50 Greetings, I am currently testing the bxCAN integrated in the STM32F103RBT6 available on the Nucleo I'm using (F103RB). Up until now I used an example which should be able to transmit correctly a message, and...

jacopo by Associate II
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