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 13, 2015 at 13:17play mp3 with USB via DMA , then UART interrupt Handler miss some data sir, i am working on a project in which we use stm32f407 discovery board, in which we play audio song with USB using DMA (DMA1 stream7) , a...
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 13, 2015 at 10:36 Hi, I am trying to interface to the Heimann 16x16 sensor but having issue with the timings and synchronization. There is only one bi-directional data line as shown in the pinouts below.The device acts as ...
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 March 12, 2015 at 15:41 Here's what appears to be a another defect in the STM32F373 (See /a7981b0 /638d212). When you configure the SAR for externally triggered group conversions (the code example provided here is for regul...
