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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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STM32Cube F4 V1.5.0 -- suggested code improvement

Posted on April 23, 2015 at 03:20The function (as defined in usbd_cdc.c) uint8_t  USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev)in fact returns values of type USBD_StatusTypeDef, not uint8_t.This causes type collisions, and IAR warnings of the fo...

mduffy 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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STM32Cube: a bug in clock configuration?

Posted on April 22, 2015 at 18:56I'm using STM32Cube with stm32f103RB mcu.I tried to create a simple test project and run into couple of issues. 1) I have configured project for external clock source (8 MHz) and made HCLK equal to 72 MHz. I checked ...

amomum by Associate III
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STM32F4Discovery NETMF 4.3 Tinybooter

Posted on April 22, 2015 at 18:55We're developing for the STM32 and want to use the Visual Studio 2012 and NETMF 4.3. Where do we find the latest tinybooter, etc files for the ST boards that are compatible with 4.3. When deploying, the compiler comp...

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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