Posted on September 02, 2013 at 16:21Hi, Sorry this might be a stupid question as I have not done enough research. But if some one could answer will save me lot of time. Is there a way I can increase the program memory of STM32f407 using external f...
Posted on September 02, 2013 at 10:37Hi, I'm using Usart1 on STM32F100. I need to wait until the last byte is completed sended to make the DE signal go low on a Modbus Slave application. This seems to be a simple task for a each programmer, but I ha...
Posted on September 01, 2013 at 18:26Hello, I am trying to get the I2C bus to run with the MMA8452 accelerometer, but it just wont. I can generate a start condition but nothing else. I'm watching the bus lines with a scope/logic analyzer and I can s...
Posted on August 31, 2013 at 19:50hello i tried ST's adc exemple and i got weird values of my variable while debugging , for exemple i got 30 for 2.0 v and -1000 for 2.5 v , so anyone have a working code with no weird things? and thnx :)
Posted on August 31, 2013 at 21:45 hello dear forum, I am trying to setup window watchdog on F103 I want wwdg to be reset in a window of 8 - 12 milisecond I set wwdg prescaler to 2 so wwdg timer is counting every 0.227 microsecon...
Posted on August 28, 2013 at 16:10Hi,I'm trying to generate 3 signal using TIM3&TIM4.the first signal run at 8MHz, DutyCycle 50%, the second signal should run every odd cycles of the first signal and the third should run every even cycles of the fir...
Posted on August 30, 2013 at 14:27 Hi, I have a bit of an issue - I'm trying to put an STM32 into STOP mode, but to have it wake up when a character is sent over the USART (and to receive that character). My code is just: // .....
Posted on September 01, 2013 at 09:24I use today HCLK of 120Mhz taken from the systemclk of 120Mhz (prescale by 1), and active USB OTG FS no problem. To save power I want to go as much as possible low with the freq, when not during fast operations, ...
Posted on May 26, 2012 at 10:14 Hi guys, I'm working on a STM32F4 Discovery board and trying send over I2C. Therefore I'm using the functions from the Standard Peripheral Library. Unfortunately the device stucks after sending the address ...
Posted on August 31, 2013 at 20:31hi i am working on stm32f4. i am having a small programming issue, while my code is executing, ISR comes, i want to change the return address of ISR, i.e it does not goes back from where the processor left the code....
