communication between 2 STM32F4
Posted on June 22, 2015 at 11:06hello i want to communicate 2 STM32F4 to send a string between them and i need your help thank you
Forum Posts
STM32F4 custom board bring-up
Posted on June 22, 2015 at 10:14I have a custom STM32F411-based board that I am trying to bring-up. But when I plug this into the USB port, I do not see the device listed.Is there any documentation/guide that can help with initial board bring-up?I a...
HAL_RTC_SetTime Timeout
Posted on June 22, 2015 at 11:33Hello,HAL_RTC_SetTime fails when trying to set new values on the RTC due to RTC_EnterInitMode timeout.while((hrtc->Instance->ISR & RTC_ISR_INITF) == (uint32_t)RESET){ if((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALU...
STM32F103CB ADC Interrupt based on timer does not trigger each pwm period?
Posted on June 18, 2015 at 22:14The original post was too long to process during our migration. Please click on the attachment to read the original post.
SDIO small buffer write speed
Posted on June 20, 2015 at 09:10Good day,I have a bit of a problem, is it possible to use SDIO with smaller buffers and have decent speed.I tried to do few tests with smaller buffer like data_buffer[512], data_buffer[1024]...And have really poor spe...
STM32L1 Writing on flash works or not depending on pre-initialized values
Posted on June 21, 2015 at 09:13 Hi, I experiment an issue while writing data on flash. For testing purpose, I made an app that writes several sequence of 'a' to 'z' char to flash. Each uint_32 data contains 4 chars (a-d, e-h, ...). I use : HAL_FLAS...
STM32F373 USART2 Problem
Posted on May 11, 2015 at 13:14Hello, I have some problem with USART2 (stm32f373). USART1 is working with same code but, Usart2 does not work. here is the code. void Uart_Int(void) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_...
How to DIY an Air Condition Monitor and Access anywhere and anytime
Posted on June 22, 2015 at 00:26 Function description: Utilize a wifi-microcontroller (e.g., Arduino yun, Raspbery Pi or IntoRobot Atom) to collect data from multi-sensor like temperature/humidity sensor, illumination sensor, dust sensor, and meanw...
STM32F4RGT6 random initialization issue
Posted on June 21, 2015 at 14:51Hello again!We have designed the board with this processor, it works perfectly.But in 1 : 100 times it seems as there is some weird condition and the processor wont initialize at all.If this situation happen, then I c...
STM32F4 SPI - RXNE never gets asserted.
Posted on June 20, 2015 at 20:02Hi,I am debugging the SPI interface on the STM32F427 for a while now. I am using SPI1 and SPI2. SPI1 works just fine, I am able to transmit and receive data just fine. Now I am struggling to get SPI2 to work fully.I c...
