STM32 MCUs Products

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Forum Posts

clear USART TC flag

Posted on November 27, 2014 at 21:20Hi I am using USART in Interrupt mode in Tx and Rx. Rx is working fine But in Tx I keep getting interrupt. I just need to get the interrupt once when the data is sent. but I keep getting the interrupt again and ag...

hossam by Associate II
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dead time in stm32f4

Posted on November 29, 2014 at 17:24I'm generating a 50Hz complementary PWM wave in stm32f4 i'm stuck on dead-time insertion as i want to insert a dead time of 2.5ms, I don't know how to do that here is my code. This is what I thought it should be b...

Which USB mode for high speed transfer?

Posted on November 29, 2014 at 04:36Hi, I've been working with the STM32 for several years, but never done any USB related stuff. Just recently I've got working an example of USB-HS using the mass storage class.In my application I have a 16Gbyte SD ...

carl2399 by Associate III
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  • 4 replies
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Cortex M3 bit banding

Posted on November 23, 2014 at 13:35Dear All, I red the ARM reference manuals regarding  the ''bit banding'' to understand the operation.   I do not understand how it's overcome the RMW (Read modify write )behaviorlease adviceThanks in advance

pic_micro by Associate II
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Code works differently in debug mode than in real time

Posted on November 26, 2014 at 23:47 Hello. I've got problem regarding STM32L100 (on discovery board). I've switched from Arduino where I enjoy the simplicity of printing data to via UART and delay/millis functions. So, I decided to write my own...

How are you supposed to use HAL_UART_Receive in STM32Cube ?

Posted on November 25, 2014 at 18:52I am implementing a command parser that receives data on a serial port. My need is to read one byte at a time and when I recive a full command I will handle it. I look at the example in STM32Cube_FW_L0_V1.1.0\Proj...

johan2 by Associate II
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TIM_ICPOLARITY_BOTHEDGE Input capture in STM32L

Posted on November 28, 2014 at 19:24Hello Guys,I´m developing an application with STM32L and I would like to use TIM2 Input capture with TIM_ICPOLARITY_BOTHEDGE.When the interrupt occurs...Is there a way of knowing which Polarity has been detected?M...

gerardo by Associate II
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  • 7 replies
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can t compile ARM_MATH.h

Posted on November 27, 2014 at 21:35Hi, I am using coide and arm gcc compiler to build my projects.When i try to compile arm_math.h ,i got those  errors a LOT of times.unknown type name '__INLINE expected '=', ',', ';', 'asm' or '__attribute__' befo...

d4ng3r09 by Associate II
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DAC waveform generation with DMA not working

Posted on November 27, 2014 at 15:45I am using the STM32L Discovery Board (STML152RB chip on board). The IDE is Emblocks. I was trying to generate a sawtooth wave signal using DAC and DMA but it does not work. I was able to make the same program wit...

STM32 Digital Photo Frame

Posted on November 28, 2014 at 14:22An STM32F103 Based Digital Photo Frame utilizing uCGUI Graphics Framework with source code. This is a good tutorial if you want to learn using Graphics Framework uCGUI from Micrum, FAT FS Embedded File System by C...