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STM32F427 Inverted DAC output

Posted on July 07, 2015 at 20:13I've seen at least two other threads with an inverted DAC concern being present, wondering if anyone has more information o the issue? I have 3 identical boards in house populated with the F4, one of which has an inve...

STM32F407VET PLL problem

Posted on July 07, 2015 at 17:00 I used STM32 cube for the PLL configuration // Enable HSE Oscillator and activate PLL with HSE as source RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_...

kareemkna by Associate II
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4 channel frequency measurement on a single timer

Posted on July 07, 2015 at 18:18I've been testing a STM32F4 Discovery since I'm new to ST Microcontrollers and I wanted to use one timer to measure 4 different channel frequencies, as I want to measure more signals than there are timers. I do not ca...

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jackygip by Associate II
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Timer -> generate number of pulses

Posted on July 07, 2015 at 07:04Hello,I would like to generate number of pulses on timer3. I am using two channels PB6&PB7which runs at different period, but on same timer.  For that reason I am using OC1&OC2 and I am counting number of pulses at ea...

Optimization in CooCox on an STM32F415VG

Posted on July 07, 2015 at 11:49Hi guys, I have code that has been working great for a couple of months now on an STM32F415VG, but I added some libaries/code yesterday which took it beyond the flash sectors that I wanted it to sit in (it's a custom ...

Timer Interrupt for UART communication

Posted on July 07, 2015 at 09:47 Hello, I want STM32 with GSM board each sec communicate. in Main.c int main(void) { HAL_Init (); SystemClock_Config (); HARD_LED_Init(LED_GREEN); Term_UART_Config(); HARD_TIM_Init(); while (1) ...

astree by Associate II
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  • 4 replies
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Sharing functions between two pieces of code

Posted on July 07, 2015 at 16:27My subject doesn't quite describe what I'm trying to do, but not quite sure how else to explain: I have a bootloader stored at the start of flash in my STM32f415 (flash location 0x08000000), and my main application is...

usart dma - receive

Posted on July 06, 2015 at 13:36hej, can anyone tell me why dma is  not working?...but the usart works...volatile uint8_t Buffer[32];uint8_t receiveword;/**************************************************************************************/void gpi...

arunl4g by Associate II
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STM32F4 discovery RTC problem

Posted on July 07, 2015 at 10:32The original post was too long to process during our migration. Please click on the attachment to read the original post.

matas by Associate II
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Keil and stm32CubeMX generated USB CDC project

Posted on February 13, 2015 at 17:40I generated a USB CDC driver using Cube MX for the STM32L0538 DISCO. This compiled and linked and connected to a PC.I tried to send some bytes using CDC_Transmit() but I then get USB NOT RECOGNIZED.Seems to be a h...