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I2C & DMA STM32F429

Posted on June 07, 2016 at 16:54Dear All, I am using CubeMx F4 V1.12.0 I want to use I2C with DMA on the STM32F429 but it is not working. In the stm32f4xx_hal_i2c.c it is noted             (+++) Configure the priority and enable the NVIC for the t...

keil compilation error - undefined symbol

Posted on June 08, 2016 at 05:31 Hi, i m using keil compiler ver-5. i m using one function from other file and using it in main file. following is the error i got. lcd Configuration\lcd Configuration.axf: Error: L6218E: Undefined sy...

SS.Sagar by Associate III
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GPIO interrupt problem

Posted on June 07, 2016 at 20:46Hi to all, I got a problem with GPIO interrupt. I have two buttons connected to pin 13 and 14 of port A. I configured pins in input and enabled interrupt, then I wrote the interrupt routine. When I pushed a button I g...

The problem with the interface QUAD SPI

Posted on June 07, 2016 at 01:59I have STM32F746BGT6 chip and flash memory W25Q64BV - soldered on its own breadboard.Connecting legQUADSPI_BK1_IO0 - PF8QUADSPI_BK1_IO1 - PF9QUADSPI_BK1_IO2 - PF7QUADSPI_BK1_IO3 - PF6QUADSPI_BK1_NCS - PB6QUADSPI_BK1_C...

Avoid ''SD card transfer complete wait'' in case of DMA

Posted on June 07, 2016 at 08:02Hi,I am working on STM32L4xx MCU. I have connected MicroSD card of 8GB size over SDMMC interface. And I am using DMA for write to the SD card.Now, DMA is used to keep the MCU free during that time of data transfer. Bu...

dhaval by Associate II
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USB/Startup Problem with the new STM32F429 [V2]

Posted on June 07, 2016 at 11:40Hello,my problem should be simple to solve, but due to it's rather undocumented nature I resort on posting it to this forum. When plugging in the STM32F429 board into a pc, it gets detected as flashdrive with around 2...