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I2C checkevent hang

Posted on April 21, 2016 at 08:51Hi all,I am writing a program on the STM32F446 in which I am trying to talk with a PCM sound module via I2C. I am attempting to read its registers, which involves sending the register number and then reading the valu...

luke2 by • Associate II
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STM32Foxx CRC: usage of HAL Drivers

Posted on April 15, 2016 at 14:34I want to make the CRC progress as soon as I receive bytes so I want to calculate partial CRCs as soon as the packet is entering the system. Should I use HAL_CRC_Accumulate with buffer size =1?I also deal with bytes ...

stanzanim by • Associate III
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Reference design for STM32F042G4?

Posted on April 20, 2016 at 16:42Hi, New STM32. Im doing a design involving STM32F042G4. Is there a reference design for this IC? I have found - http://www2.st.com/content/ccc/resource/technical/document/application_note/c9/19/d7/b8/6b/0e/4c/d3/DM00...

STM32F091RC backup registers

Posted on April 20, 2016 at 12:47HiI admit I am a complete newbie so please go easy.... :)I need to store some variables in the 5 memory locations in the STM32F091RC.  We have the following code:mark1 = 123;RTC_HandleTypeDef RtcHandle;RtcHandle.Inst...

Bad APBAHBPrescTable

Posted on April 19, 2016 at 17:18Hello, all ???_rcc.c files, e.g. STM32Cube_FW_F7_V1.3.0/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c define const uint8_t APBAHBPrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9}; This contrad...

uSD Card time of read file problem

Posted on April 20, 2016 at 10:31Hi Every body... Recently i wrote a program to read a file from uSDHC Card 4GB for infinite loop. Purpose is check the total time of reading a file (eg mp3 file). The code is so simple and noting have any complexity....

st_user1 by • Associate
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[error report] STM32F1 I2C HAL BUG I2C_MasterTransmit_TXE

Posted on October 18, 2015 at 00:09Here is original function static HAL_StatusTypeDef I2C_MasterTransmit_TXE(I2C_HandleTypeDef *hi2c) {         /* Write data to DR */       hi2c->Instance->DR = (*hi2c->pBuffPtr++);       hi2c->XferCount--;   if(hi2c...

justas23 by • Associate II
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