Posted on January 18, 2012 at 22:53I need to connect wm+ through I2C. I'm now trying to port http://randomhacksofboredom.blogspot.com/2009/07/motion-plus-and-nunchuck-together-on.html this Arduino code.I'm stuck at how to send zero to device.I need ...
Posted on January 18, 2012 at 12:13How I can change clock rate for I2C bus? I need to get work wii motion plus. Code from arduino:TWBR = ((16000000L / 400000L) - 16) / 2; // change the I2C clock rateHow I can do this in stm32?I'm use stm32f103vet6. ...
Posted on January 18, 2012 at 12:40Hi all, I need an expert advice. How to poll for ACK from addressed Slave device? The background is, if the setup has a variable count of slaves and how to get the available slaves? The second case is the M24C64 EE...
Posted on January 18, 2012 at 04:38 I have set up my toolchain under WinXP like that: 1. downloaded codesourcery LITE g++, installed it 2. downloaded Eclipse with C/C++ support 3. downloaded GNU ARM PLUGIN for Eclipse, and instal...
Posted on December 23, 2011 at 07:33Good day! The controller has a built-in EEPROM, which is very easy to program by software. It don't suit me. Can I program it during pouring code via the programmer(JLink)? I use Keil4.21 #eeprom #jlink #keil
Posted on January 17, 2012 at 18:43I have seen this with both Keil and IAR. a bootloader located from 800 0000 tp 8001ffff and an app located from 800 2000 to 800 7ffff some versions of boot loaders on some systems will declare timeout when JTAG loa...
Posted on January 17, 2012 at 10:46Hi, on the pins BOOT0, and also BOOT1 if used, the demo boards as STM32F4Discovery or others always use a resistor in line with the pin. The value varies quite much - in the AN3320 reference design, they use 10kOhm...
Posted on March 03, 2010 at 17:26STM3210C-EVAL: Application Example #utasker-stm3210c-eval #stm3210c-leds #lis302-accelerometer-lcd-demo
Posted on January 16, 2012 at 18:35The cortex-M3 specification has the reset vector at 0x0000004. The stm32 places it in flash at 0x08000004, but requires modifying the vector table offset as part of the startup code. PM0056 says this: The Progra...
Posted on January 16, 2012 at 17:48Im having trouble getting the 3 switched SW3, SW4 and SW5 to read anything other that '1' I have walked through the init code and all 5 of the buttons gpio definitions are seemingly setup via the low level routines...
