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FreeRTOS + LwIP on STM32F407VG Discovery

Posted on March 11, 2015 at 20:34Hi,I'm new to LwIP and I'm trying to run it on STM32F4 Discovery with FreeRTOS. I'm using STM32CubeMX for generating default code and System Workbench (AC6) as IDE. I use DP83848 PHY in RMII mode. All the software wo...

HardFault when using IAR 6.50

Posted on April 13, 2015 at 19:57Noticed an ''interesting'' issue that I was unable to trackdown.If I compile the example LwIP_UDPTCP_Echo_Server_Netconn_RTOS using IAR 7.40 everything works fine YET when I compile the same code using IAR 6.50 I get...

ariel2 by Associate II
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bug: HAL_RCC_GetSysClockFreq() in STM32Cube_FW_F4_V1.5.0

Posted on April 23, 2015 at 03:18Test data: HSE_VALUE = 24000000, pllm=196, plln=14, pllp=2, result: sysclockfreq=167,999,930,but the correct one is 168,000,000 reason: in expression pllvco = ((HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN)...

SPI question (0xff in DR)

Posted on April 22, 2015 at 04:58Hello everyone,  I checked the data sheet but couldn't find an answer to the following question:  What should happen if master initiates transmission but slave is detached or powered down?   In my tests once master...

st.2 by Associate II
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STM32F373 Code Question

Posted on April 14, 2015 at 14:05  The original post was too long to process during our migration. Please click on the attachment to read the original post.

STM32F0 I2C CPAL V2 Listen Mode

Posted on September 26, 2014 at 01:41I am trying to use the CPAL library for I2C communication for the F0 MCU.  This download page seems to suggest that the std peripheral library include CPALv2.  But when I use it, the User manual does not seem to ...

jacky by Associate II
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STM32F411xx flash latency discrepancy

Posted on April 21, 2015 at 08:32The reference manaul for the STM32F411 series says that for a CPU running at 100MHz on a 2.7-3.6 supply voltage, the flash latency should be 3 wait cycles.  However, the CMSIS startup file (system_stm32f4xx.c v1.5.0...

programming SPI on STM32F091RC

Posted on April 22, 2015 at 17:02Hi everyone, I'm trying to program the SPI2 of my STM32 to only transmit data at 18Mbit/s as I saw on datasheet. My problem is to configure the ''SPI_HandleTypeDef'' in order to use the function : HAL_StatusTypeDe...

raphael by Associate II
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SCCB and I2C problem

Posted on May 24, 2013 at 07:54Hi, I want to interface the OV7670 FIFO omnivision camera with STM32F4discovery board I have used an example inside of  STM32F4xx_DSP_StdPeriph_Lib_V1.1.0, the example drives an OV2640/9655 camera so I changed the regi...

girtor by Associate II
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