Posted on July 02, 2012 at 15:20I am using STM32 Microcontroller in my product. I am using 32.768 KHz as RTC Crsytal. At the Tamper/RTC pin (pin 2) ideally i should get 512 Hz for calibration . But i am getting 976 Hz so instead of 1 sec update i am...
Posted on July 03, 2012 at 09:20When I was testing DSP efficiency i tried compare how fast is FFT from data from internal SRAM and CCM. The code looks like this:int16_ttab[2048]__attribute__ ((section(''.ccm'')));...GPIO_Pin_high();arm_cfft_radix4_q...
Posted on July 04, 2012 at 00:57Hello everyone!I have been reading about the USB Host capability of STM32F4 family;According I have read, the libraries are limited to attach HID and MSC devices; The drivers are developed just for these classes;Will ...
Posted on July 04, 2012 at 10:12 To jump into the internal bootloader out of the application I do use the following code static const uintptr_t ST_BOOTLOADER_BASE = 0x1FFF0000; static const uintptr_t RESET_VECTOR_OFFSET = 4; static co...
Posted on July 04, 2012 at 18:16 #include ''ll_can.h'' #include ''rcc.h'' #include ''gpio.h'' #include ''nvic.h'' #include ''usb.h'' int can_init(int mode) { rcc_clk_enable(RCC_GPIOB); //enable GPIO port B rcc_clk_enable(RCC_AFIO); //enab...
Posted on December 13, 2013 at 08:30I want to connect HID to a stm32 dev board, not using STM32 as a piece of PC's hardware. I've looked them everywhere and wasn't so lucky to find any. Can anyone please help? I repeat, the STM32 will be working at ...
Posted on November 30, 2013 at 13:57Hi In a new layout, my first with STM32F4 ARM, I have done as the refference manual for this family tells me to do when I where to connect the SWD/JTAG . I used PB4 for Reset (<b>nJTRST</b>) . However, I now see t...
Posted on December 14, 2013 at 23:37Hi all, I am designing a board using stm32F4 device and as I am familiar with ISIS from electronic labcenter I want to use it but there is no library for STM32F4 in ISIS. Is there somebody who has such library or ...
Posted on December 14, 2013 at 15:59I have two boards with STM32F0 connected by I2C. First board works like master, second works like slave. I use CPAL library and transmission works fine during normal state. When I make some disturb on the I2C line...
Posted on December 13, 2013 at 10:13 Dear Sir/Madam, I have been trying to understand what I am doing wrong with my serial communication. I am using STM32L Discovery board and have successfully sent and received bytes on my board/PC. ...
