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Posted on June 25, 2013 at 10:58Hi there, I'm using ST's bootloader in rom to program my device and USART1 for communications. Now I observed the following problem: when my code runs directly after startup, it works fine. However, when my code recei...
Posted on March 27, 2014 at 08:21The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on March 27, 2014 at 03:52 Hi , I am reading up on STM32F4 ADC and have problem understanding a few points . ADC_InitStructure.ADC_ExternalTrigConv =ADC_ExternalTrigConv_T3_CC1 ; ADC_InitStructure.ADC_ExternalTrigConv =...
Posted on March 27, 2014 at 02:25I'm really wondering what speed selection of GPIO is.There are some options to select GPIO Speed, such as 2MHz, 25MHz, 50MHz and 100MHz.What does the speed mean?Which value is selected generally?
Posted on March 26, 2014 at 20:51Hi, I have an error in my code and I can not seem identifying the problemThe erreur is : ..\main.c(97): error: #169: expected a declarationThis is my code /***********************************************************...
Posted on March 26, 2014 at 21:56Hello,For some time I've been developing system at my company, one of the features is SD card, interfaced via SPI (SPI1 to be more precise). However there is a problem with reception of data by MCU. When I map SPI1 t...
Posted on March 26, 2014 at 22:55 I refactored my interrupt based circular buffer into a dma RX stream coming from the USART2. I frequently read how many bytes the dma stream has read and then reset it back to zero. For example. ...
Posted on March 26, 2014 at 15:08I have a jump table currently set-up like thisProcTable DCD Proc1 DCD Proc2 DCD Proc3EndTableAnother part of my program that is acting as a processes manager which needs to keep track of the number of the process so ...
Posted on March 26, 2014 at 10:07 I use DMA on USART2 rx.(STM32f107) I can buffer my incoming data with DMA on circular mode and have no problem. My array size is 1024 byte and I don't want to wait for 1024 incoming byte and get interrupt ...
Posted on March 25, 2014 at 14:31What driver lib you use for your projects? 1- standard firmware lib 2- stm32cube f4 3- you own lib please answer ,if possible write your reason.
