Posted on November 16, 2012 at 14:42All my information is based on RM0033 Doc ID 15403 Rev 5 11/2012. 1. Start will be issued after setting by writing START bit to I2C_CR1 register CR1(START) as soon as SR2(BUSY) is cleared? The document says only ...
Posted on November 16, 2012 at 06:06How to store image or wav file on SD card (without using FATFS) ...i m using SDIO interface, Keil development environment and discovery board I m done with sd card initialization and single block read write functi...
Posted on November 15, 2012 at 18:53First i had problems with the ST-Link drivers, then I had success with installing them. Now I get ''core is held in reset'' error in st-link utility.How to fix this? My only idea is that I shorted something when I...
Posted on November 15, 2012 at 19:33Hello,I am new to debugging on the STM32 and I have a STM32L152-EVAL board and I am trying to bring up the new open source version of RTX on this board. My setup is as follows.This is setup on a Mac running Mount...
Posted on November 15, 2012 at 17:01Hey Folks, I know it is possible to reset processor with NVIC_SystemReset(). However, is it possible to enforce a _full_ power-off -> power-on reset from inside the code? Cheers
Posted on November 11, 2012 at 18:12Is there an inherent reason why activating EXTI0 using PA0 would interfere with a previously functioning I2C1 transmission operation? (Atollic TrueStudion Lite) That is, I tried to add ext interrupt from previous...
Posted on October 31, 2012 at 20:26Hi, i tried to use IAR example about LCD for use my display hd44780. I connected 6 pin (RS,E,DB4,DB5,DB6,DB7) for use it on 4bit configuration (i'm sure that the connection is good cause i used that on my old ardui...
Posted on November 12, 2012 at 02:43Hello,i need help about designing a stm32 project. Thought is follows. (i must not use any RTOS)1. my stm32100 will handle uart interrupt randomly2. my RTC on stm32 will be updated each 1 second in the rtc interru...
Posted on November 12, 2012 at 17:22I need that display that I put on my stm32f4 Discovery is updated every second, I thought to do so through an interrupt TIM, but I do not know how to configure to work as TIM clock! can you give me some suggestion...
Posted on November 13, 2012 at 21:25 Hi, I have enabled external interrupt (EXTI) by connecting to pin PA4 a button, with its pull-up (I also tried the pull down) but when I pressed the button sometimes is performed twice Iterrupt routine (or mo...
