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Posted on January 16, 2012 at 16:56 Hello all, I am using DMA to manage the TX line of one USART (RX stays on standard interrupt). I have no problem with a RS232 tranceiver. But when I use a RS485 tranceiver I got a problemwith the CBUS ...
Posted on February 09, 2012 at 11:18Hi all,I am looking for suggestions on how to design the data forwarding between a GPS receiver and a BT transceiver. It is a https://picasaweb.google.com/111166516525827756469/Rappen10LogBt&sharp57050240279869343...
Posted on May 23, 2010 at 23:18Stop mode problem
Posted on February 11, 2012 at 21:44Last night I was working with my STM32L and everything was working properly. I had loaded some code to flash the leds. I had the board set up on a bread board and was using the the external 3v power supply pins to...
Posted on December 13, 2011 at 23:24Has anyone been able to use the DAC output (PA4) to generate sound on the headphone port? It seemed like a trivial thing to do, set up the CS43L22 in analog pass-thru mode... but that was 3 days ago. I generate a ...
Posted on February 11, 2012 at 16:27Hi! I just started using the STM32F4 discovery board with Keil development environment, and I have a small problem, that I can not program the flash memory of the microcontroller using the Load button. In Keil Bui...
Posted on February 11, 2012 at 01:17hello One question: when i am using: char table[10]; (...) *(unsigned int*)&table[1]=0x12345678; should the pointer be dword alligned in RAMy ? Can I make safely such access? Or it is forbidden in ARM architecture...
Posted on February 10, 2012 at 11:54Hi, Using STM32F205RCT6. We used ADC1/DMA with Timer 1 as trigger and worked fine. The temperature sensor is only connected to ADC1 so I have to move ADC1 -> ADC2. Now we have problems with the trigger - it doesn'...
Posted on February 09, 2012 at 17:11Hello I am using STM32RBT6 with my board and all is good except serial with 115200 baud rate, 57600 and lower is working correctly. I just see weird characters when receiving data. I can't get it work either with ...
Posted on February 08, 2012 at 16:02Hi, How can i use PC14/15 as GPIOs? I turened off LSE by using this function and configure PC14/15 as input floating: RCC_LSEConfig(RCC_LSE_OFF); But the ports does not read any data, What do i miss?
