Posted on October 27, 2015 at 11:37hello everybody !!! I'm using ''__HAL_TIM_GET_FLAG'' on my STM32l051K6 for detect an overflow on my timer, but i don't know how much machine cycle it takes ?Could someone tell me how this function uses machine cycl...
Posted on July 23, 2015 at 12:19Hello. There is a bug in the cmsis_os.c file: at line 757: return xQueueCreate(queue_def->queue_sz, (uint32_t) sizeof(queue_def->item_sz)); sizeof(item_sz) is always 4, so all queues are created with element size = ...
Posted on October 26, 2015 at 14:47 On an stm32f411 Nucleo, I'm trying to generate a DMA request to transfer data from memory to the USART2 data register at every compare event (when CCR1 matches TIM3_CNT). To this end, I have, in order: ...
Posted on October 26, 2015 at 16:44ST Community - An application has the current design parameters for a Cortex M0 device STM32F030R8:CLK: 20MHz external xtal on (PF0 & PF1 RCC OSC) internal PLL to 40MHz (25ns).Regarding Timer 3, I want to create a ...
Posted on October 26, 2015 at 16:18ST Community - An application has the current design parameters for the STM32F030:CLK: 20MHz external xtal on (PF0 & PF1) internal PLL to 40MHz. Complete. MCO: 40MHz CLK/2 = 20MHz out on PA8 (MCO alternate function...
Posted on October 26, 2015 at 15:56Hello, what is Half-cycle access (FLASH_ACR_HLFCYA) for? It may be used with slow clocks ( < 8 MHz) and AHB divisior = 1.
Posted on October 11, 2015 at 15:24 Hello, I tried to test the I2C interface on a STM32: #include <stdio.h> #include <stdlib.h> #include ''diag/Trace.h'' #include ''stm32f4xx_hal.h'' #include ''stdint.h'' int main( int argc,...
Posted on October 26, 2015 at 20:20Hi,I have connected two MCU's through UART.I want to send a string from MCU 1 to MCU 2.once the MCU 1 sent the string it need to wait for some time to receive the reply from MCU 2.If MCU 1 did not get any reply fr...
Posted on October 08, 2015 at 10:48Hello, I failed to get an application with USB-Host and FatFS working with CubeMX. Does anyone has an example project? FatFS always reports fr_disk_error. I founds some posts with similar problems in some boards bu...
Posted on October 26, 2015 at 17:08If i use a pin as counter input, can I read its value in gpio input register ? #timer
