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Posted on March 13, 2015 at 16:17Hello, I'm running an STM32L151 at 32MHz and SPI BaudRate = fPCLK / 4. The device is an SPI Master, and tries to read a Slave as fast as possible. I'm using DMA TX and RX to speed up things. I can see the SPI clock r...
Posted on October 04, 2013 at 17:53Hi All, i'm using STM32F407 in USB CDC mode, i'm having issue when i'm sending bytes from STM to PC, client application on PC is minicom, issue is when i close minicom and STM runs into ''frozen'' state until i...
Posted on March 12, 2015 at 14:27eg:The 10 first pages of Flash are write protected.The read protect level 1 is activated.What's happen when going back to level 0 ?According Reference manual, a mass erase is done but what's happen to the write prote...
Posted on March 13, 2015 at 08:52i am simply testing FATFS with my uSD card, whenever i write more than 800 bytes of hex data in card using f_write, it writes junk data, the hex file is attached, my code is shown below#define size 1200uint32_t buffe...
Posted on March 11, 2015 at 17:24Hello, I am trying to develop a product with STM32F407 processor that must be firmware upgradeable in the field. The problem that I am thinking of is that somebody could easily make the same hw design of the boar...
Posted on March 13, 2015 at 09:32I am new to DSP. I have done fft and filtering using scilab tools. now same thing i want to do on stm32f429i discovery kit. I need Band Pass Filter (0.5 to 5Hz) in STM32F429i discovery kit. we dont have any tools whe...
Posted on March 13, 2015 at 04:03In the CubeMX generated code, I found this macro ''USE_RTOS'', in the implementation of HAL_LOCK macro. And the comment '' USE_RTOS should be 0 in the current HAL release ''. But now I'm using FreeRTOS. So I need to ...
Posted on March 11, 2015 at 14:48I'm setting up a process where a regular group of SAR conversions will be triggered by a timer. The SAR is configured to use DMA to transfer that data into a buffer. The buffer memory is actually organized into two b...
Posted on May 21, 2012 at 15:16Hi everyone!I'm new to the STM32 world, so I'm looking for some concrete example that USB OTG application with a STM32 uC.Did someone have sucess with a similar project that can be shared here?If however you can advise...
Posted on July 04, 2014 at 10:20I am using the code from the DAC with DMA example in the Standard Peripheral Library V1.1.0 to produce a sine wave. The updates seem to occur about every 4.5us. Is it possible to significantly increase the update spee...
