STM32 MCUs Embedded software

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Fatfs write problem

Posted on May 21, 2015 at 17:59HelloI use STM3210e-eval.I want to implement Fatfs for the SDcard (using SDIO interface)Thats work !I can create a file or a directory, read a file, write in the file, delete file, rename file.the problem is that: when...

Custom bootloader for STM32F407XX

Posted on May 21, 2015 at 11:03I am new to this. May I know how to develop custom bootloader for STM32F407xx? Is there any sample code exists or any document exists which helps me in developing custom bootloader for STM32F407xx? #custom-bootloade...

smanjula by Associate
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HAL_I2C_Slave_Receive_IT Abort

Posted on May 21, 2015 at 13:08Hello,I'm using the CubeMXF1 Library for the STM32F103 to act as a I2C slave. This slave is usually in Slave Receive Mode. The I2C master is signaled trough a interrupt pin that the slave wants to send something. How c...

joppe by Associate
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Lwip send udp packets larger than MTU

Posted on May 16, 2015 at 15:27Dear Forum,I bring forth a probably trivial question yet I'm uncertain how to approach it.Using ST STM32F427, RTOS, lwip and sending data over UDP, If I try to send data small than the MTU: e.g: netbuf_ref(buf, dataPoi...

ariel2 by Associate II
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let device detect, if USB host is powered up

Posted on May 19, 2015 at 23:43My STM32F103 USB-HID device needs to know, if the host it is connected to is either powered on (S0) or in S3 (STR), S4 (STD) or S5 (SoftOff). How does it detect this reliably? I am using the STM32_USB-FS-Device_Lib_V4....

j2399 by Associate II
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Problem when using VBUS_SENSING_ENABLED

Posted on May 18, 2015 at 13:45Hi, I am using the evaluation board ''MCBSTM32F400'' available from keil and the USB library ''STM32_USB-Host-Device_Lib_V2.1'' available from st.com. In the ''STM32_USB-Host-Device_Lib_V2.1'' library, there is a &sha...

stm3210E_EVAL: USB, SDcard, NAND Flash

Posted on May 15, 2015 at 16:08Hello, I use the stm3210e_eval board.I copmpiled the STM3210E-EVAL_FW_V2.1.0 using the IDE Coocox. everything is Ok.but I have a problem at the level of USB, SDcard and the NAND Flash.In fact, the STM3210E_EVAL support...