Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on April 22, 2013 at 16:17 Hi I am trying to read 4 consecutive registers from an EEPROM using I2C through interrupts. The Start Generation is done inside an EXTI interrupt handler after the user button is Pressed. The rest of the read...
Posted on April 19, 2013 at 10:13Hi everybody, I got a strange problem on my USART3 of my STM32F205VE. The UART is working perfectly up to 19200 bauds. With a terminal, I can see my sentences, with the oscilloscope my bit period is OK. I would like ...
Posted on April 22, 2013 at 10:15Hello I have 3 units ulink2 , I am using keil .. when i was using v4.60 , i was able to debug and download using jtag .. I get some problem with that version later one we upgrade it to v4.70a ; now I cant use JTAG ,...
Posted on April 21, 2013 at 12:35 I have a problem ... I want to connect to the terminal via RS 232 converter usb .. code seems to be reasonable but still something is wrong, I can not send anything to the terminal please help. #include ''stm32...
Posted on April 22, 2013 at 11:40Hello, I modify the demo code in STM32L1xx_StdPeriph_Lib_V1.2.0 --> TIM --> OCToggle. I reconfigured the TIM3_CH3 CCR3_Val to 40 to generate 200KHz square waveform. The output frequency measured is only 122Hz...
Posted on April 21, 2013 at 18:35 Hello, i need two USARTs working. First one USART1 (TX only) (Used for debugging purposes). Second one USART3 (TX/RX) Write function will send message to another device and waits for answer. After initializat...
Posted on October 24, 2012 at 17:56Hi,We've managed to get our STM32F407 board to cycle in and out of standby using the RTC (once a second). We've also enabled the wake-up line to allow another low power micro to wake it up if needed.The problem we ...
Posted on April 16, 2013 at 21:57Hi My application depends on the discovery board design where I need to record and play simultaneously. It seems when it record only the recorded wave is clear with low noise , but when playing wave at same tim...
Posted on April 20, 2013 at 17:42 The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on April 21, 2013 at 14:58I would like to use stm32f4 to measure a battery voltage, like AA1.5v I connect the postive line to PC5 and gnd line to GND.I reference the example code on the Internet. But the code is stop at the while of adc flag....
