Posted on December 09, 2013 at 17:03I am using STM32f4 ,fat fs & SPI mode to interface to SD card every thing works fine .but i want to use DMA to increase read performance.should i go for SDIO to achieve a little more speed or is there any way to t...
Posted on October 15, 2015 at 14:46 I suffered a week and wrote all the same USB Composite device (MSC+CDC). The point is this: I wrote Composite device MSC CDC. Everything is determined by the Manager, MSC works on both transmit and receive,...
Posted on October 28, 2015 at 19:54 Hi, I'd like to say up-front that I'm one of those people thinking that the new CubeHAL is a great improvement compared to the old SPL. However, still there are things I don't understand. For examp...
Posted on March 10, 2015 at 16:12 I am building a microcontroller based on the STM32F302K8 chip and I am trying to send data to host PC via USB. My echo code below based on an example in the forums works: static int8_t CDC_Receive_FS ...
Posted on October 29, 2015 at 10:28 Hi, I'm new to STM32 and I got a STM32F7 Discovery Board. I'm playing around with the USB Host MSC Standalone Application example provided in the STM32Cube_FW_F7 package. In the Application, th...
Posted on October 29, 2015 at 08:44 Hello. The issue: file stm32f4xx_usart.c, function USART_Init, fractional divider calculation code: /* Determine the fractional part */ fractionaldivider = integerdivider - (100 * (tmpreg >> 4)); /*...
Posted on October 26, 2015 at 20:39This code snippet is from STM32 IAP example. It is common for most bootloaders. // Check if valid stack address (RAM address) then jump to user application if( ((*(__IO uint32_t*)MAIN_PROGRAM_START_ADDRESS) & 0...
Posted on October 27, 2015 at 21:14I am planing a project.Maybe his project will contain UDP communication.Can I use STM32F4 or other Stm32 product.When I am looking for similar project,i found working on localhost (as 127.0.0.1).But i want sending...
Posted on October 12, 2015 at 17:27Hi All,i have a problem with the managment of the UART Error.Particularly when the error occurs in ''HAL_UART_ERROR_ORE'', the device is locked and I can not clear the error.I tried using the following instructions...
Posted on September 07, 2015 at 09:51 I am intending to port GRBL Gcode interpreter to run on stm32f4 discovery and I have seen several reports that the OTG USB port ( more specifically the provided ST firmware ) is not reliable. A colleague in the...