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Controller to read wav files from SD CARD

Posted on August 19, 2014 at 15:45I need a little help to choose the right device.I would build a digital audio player with the following characteristics:  - it should read data from SD card only (up to 32GB size)  - SD card will be formatted FAT32 ...

STM32F4 Discovery USB Problem on REC and Playback Demo

Posted on August 23, 2014 at 07:27Hi. I have tried to build a project using the provided source code in Eclipse IDE. I could do simple live recording and play back from Internal Flash. But I got the following errors  when using USB for recording and...

[SOLVED]Proper clock initialization for STM32F401RB

Posted on August 23, 2014 at 09:52 Hi, I am using a custom board withSTM32F401RB MCU and I want to run it at 84MHz from PLL<-HSE configuration. I have an 8MHz crystal on the board. But I don't know how to do it. I ran the STM32CubeMX (I don't...

petoknm by Associate II
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Undefined symbol error - no compile

Posted on August 22, 2014 at 06:05Hello, I load several example projects unmodified into Keil and compile as soon as I enter. When the project enters the linking phase, I get an error that HAL_DMA_Init is an undefined symbol, and the project won't c...

david2399 by Associate II
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Nucleo F401RE SWD ERROR problem

Posted on August 22, 2014 at 18:32Hello.I am very angry about defective product ''Necleo F401RE'' board.Here is my previous post in mbed community.This problem is ongoing.But, there are no solution until yet.I think I lost my money.Many people exper...

pwm output timer1

Posted on July 06, 2014 at 15:59 hi guys, i create a program to generate pwm signals in stm32f407 i did it in past for another timer but when i wanna do it for timer1 i doesn.t work. here is my code : #include <stm32f4xx.h> voi...

Fixing I2C Master ACK Bit while reading from a slave

Posted on August 22, 2014 at 15:38Hello, I want my STM32F4Disco to communicate with an external ADC I2C, in reading mode, this last will send to the master 2 bytes ! The problem, and I don't know if it's one, the first byte sent by the slave MUST be...

CAN message

Posted on August 21, 2014 at 20:08Hi, I am trying to use CANbus on STM32F303VC6. I get it working in loopback mode. But the message is not getting sent in Normal mode. I have turned on SB21 and SB22 to connect the ports PA11 and PA12 to P2. When I d...

rizwin by Associate II
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Sharing PA5 between HS USB and DAC2 on STM32F4

Posted on August 16, 2014 at 06:06HiI have problem in sharing the PA5 functionality on STM32f407IGT6.As I need to use both of DACs in my design, and HS_ULPI_CK is also routed only on that pin (there is no multiplex to any other pins).I can not use O...

STM32F429 Discovery SPI Registers

Posted on August 21, 2014 at 16:14 I am trying to use theSTM32F429 Discovery boardin order to communicate in a transmit only mode to an LCD over SPI. However, every time I write to the data register to output, I see nothing get loaded in my debug...

cns1307 by Associate II
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