Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on June 01, 2015 at 01:09Just that, I need to youse a freeRTOS semaphore on a ISR and need to use vPortYieldFromISR, but it's not defined. But I see on http://www.freertos.org/FreeRTOS-for-STM32F4xx-Cortex-M4F-IAR.html that portEND_SWITCHING_...
Posted on May 31, 2015 at 14:01Hi everyone. Did anybody deal with situation when I2C flag keeps being set after unsuccessful transfer (write). Lets imaging that your slave device is not connected right now or it fails to respond. First call to I2C->...
Posted on May 31, 2015 at 16:24Hello guys, I am new to this forum and I have a question for you experts. I would like to start this fun project where I would like to make ''floppy drive music'' Because the motor in the floppy drive moves it can prod...
Posted on May 31, 2015 at 01:33Hello!I am looking for an overhead free solution for UDP data streaming.Today I am able to stream UDP data from SPI->DMA->MEM->ETH, using pbuf by Ref: TaskUdpStreamErr = netbuf_ref(buf, dataPointer, TASK_UDP_STREAM_...
Posted on May 26, 2015 at 05:58hello i have problem with my timer periph, i want to use 8 channel, so i use tim 3 and tim 4 together, but if i run the code together, it doesn't work, if i run just 1 timer(4 channel) its working correctly.. i have tr...
Posted on May 23, 2015 at 19:20I have an STM3221G-EVAL board that has an MB785 LCD module on it. Can anyone tell me where I can find the datasheet/schematic for it? Thanks! #lmgtfy
Posted on May 30, 2015 at 07:48I tried to interface Digital Temperature Sensor DS18B20 with STM32F051xx but am getting struct in configuring the pin for the sensor. As in controller we doesn't have the dual mode so how we can configure single pin as...
Posted on May 28, 2015 at 11:13hi in my software, define a section named ''My_SECTION'' and put just a function on it. in IAR .icf file define that section write in address 0x08050000. I used debugger, function is correctly wrote in 0x08050000 and h...
Posted on May 29, 2015 at 19:09Hi, I'm having problem with stopmode. I want to wake up uC with RTC Alarm in EXTI17.But when i use stopmode with statement PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI), it didn't wait to RTC Alarm Event...
Posted on May 30, 2015 at 00:11 Hi, I'm using I2CSTM32F207ZET6. It usually works well, and we can usually read and write with no problems. However, there is a consistent error that pops up where, if we are reading a number of bytes sequen...
