Posted on November 01, 2012 at 15:27hi ST experts, i am testing Virtual COM Port function using stm32F105(connect line),the USB OTG FULL SPEED library is 3.3.0 and PC driver is VCP_1.3.1 on Win7,i find when send just 64 bytes(Max packets size) f...
Posted on November 01, 2012 at 07:44Dear all, MCU we are using is STM32 F103CBT6, on a motor driver application. Wehave encountered a strange phenomenon that Bus Fault occurred randomly duringnormal operation, and the fault message shows that the PC...
Posted on October 31, 2012 at 08:05I emulate an I2C eeprom. I first receive the address, then I set the DMA-Source pointer to my tx-array (DMA_MemoryBaseAddr). As I have configured autoincrement, several bytes will be transferred. When the second re...
Posted on October 31, 2012 at 19:26I found the following page useful to permit the installation of the unsigned ST-LINK driver under Windows 8http://www.trickday.com/2012/09/how-to-install-unsigned-drivers-in-windows-8/
Posted on October 31, 2012 at 16:38 I want to capture a systick time by occurence of an edge. I see the value is captured but the DMA is not done. Why? (STM32F4) TIM_ICInitTypeDef TIM_ICInitStructure; RCC_AHB1PeriphClockCmd(RCC_AHB1Pe...
Posted on October 31, 2012 at 12:58There's no examplo using CCM RAM on the STM32F303 stantard library. I need to know how modify the EWARM liker icf file to add the CCM RAM section and how to put an assembler routine in this section.
Posted on October 31, 2012 at 13:25 Hi I have written code for communicating with two I2C devices which are connected to I2C1 of STM32F The code works fine. The connection diagram & code can be seen on another thread : /public/STe2ecommuni...
Posted on October 29, 2012 at 15:16Hi,I'm trying to switch SPI1 to DMA mode. First I just try to enable on RX channel only, but I tried both RX TX, and many configuration, and I can't figure why it doesn't want to start... #define NBR_BYTES_ 15 uint...
Posted on October 29, 2012 at 08:54I have a problem. I set my GPIO port pins on GPIOA. When I wanted to lock them I used GPIO_PinLockConfig function, but when the function passed through. It has done nothing. My pins in LCKR lock register was not lo...
