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Forum Posts

STM32Cube stack alignment problem?

Posted on June 23, 2014 at 14:34 STM32Cube ld scripts set _estack to the last location of RAM like this: /* Highest address of the user mode stack */ _estack = 0x20017FFF; /* end of RAM */ I had several problems with code that u...

whg03 by Associate II
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  • 4 replies
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stm32f429-disco and beginners question

Posted on June 20, 2014 at 15:26 Hi, as a beginner I am starting freshly with stm32 programming on a stm32f429-disco board using eclipse with the gnu-arm-plugin and the gnu-arm-eabi toolchain in linux (toolchain is working - the simple LED-b...

STM32F4Cube HAL_SPI_TransmitReceive_IT()

Posted on June 19, 2014 at 21:42Hello, I am interfacing an STM32F407 (on DISCOVERY eval) to several devices using SPI bus.  One of the devices clocks 4 bytes of data out simultaneously as 4 bytes of config data is clocked in (LTC2446 ADC).  I am att...

DMA reads from USART1 without RXNE set

Posted on May 06, 2014 at 12:11Hi community, I use the USART1 in STM32F100C4 to receive serial data in DMA mode. Because the data comes in packets with less than 16 bytes I start the DMA mode every time, when new data is expected. This works most of...

h2 by Associate II
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  • 16 replies
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High speed UART with DMA

Posted on June 20, 2014 at 12:18Hi, I'm working on a STM32F4 mcu and I'd like to use an UART with a baud rate of 1843200bps with a DMA that works for every byte received on this UART. Using CubeMX I have created an example code with a UART 1843200b...

DUrbano by Associate III
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  • 7 replies
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STM32F429I-DISCO Pixel Clock Problem

Posted on June 10, 2014 at 10:24Hi all.For my project i should increase the pixel clock(dot clock) frequency that sourced from PLLSAI. So i should drive 800x480 TFT panel. And when i increase the LCD TFT Clock from PLLSAI module, its amplitude decre...

e43000 by Associate II
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  • 4 replies
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stm32F429 lcd

Posted on June 12, 2014 at 00:41Hi, I just bought a STM32f429 card with LCD touch screen, and I tested the examples of stm discovery. But I am wondering is there a software that can generate code the graphical interface of screen which can add rows ...

haythem by Associate II
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  • 3 replies
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PWM pausing

Posted on August 07, 2013 at 13:52Hi All, i'm using on STM32F417 PWM on TIM4 CH2, i have successfully initialized PWM, i have there LED with blinking on 2Hz, i would like to pause and i would like to return PWM to initial state with configured pol...

STM32F042 CAN Example code

Posted on June 22, 2014 at 17:32HelloDoes anyone have working initialization code for STM32F042?I wrote this one bellow,  but it doesn't work and I dont know why? CAN_TX line is low (measured by means of oscilloscope).I have got simillar working cod...

jbrela by Associate
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  • 3 replies
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