Posted on July 26, 2012 at 09:09In Manufacturing my own Boards, and with the assistance of Tsuneo, I have found Usb Pinout Backwards. This is after I analyzed the Specs and Schems - which match my Eagle Pcb Files and my Boards. And, I tested this f...

Posted on July 24, 2012 at 20:15 I am building my own stm32f4 boards. The code runs, but I cant get the USB to be recognized by windows - just Device-Not-Recognized. But the same code works on my DemoBoard. I followed the DemoBoard Schem except...

Posted on July 22, 2012 at 12:21I have been building my own Boards. And have experience with an assortment of Micros. WARNING #1 : I have found that these STM Chips are Very SENSITIVE to Voltages. I accidentally tied the USB 5V source to the VDD Bus...

Posted on May 31, 2012 at 20:16I successfully compiled the stm3240g Sample Project using Code Sourcery. But, it does nothing on the Discovery Board.But, this code is directly converted from as WORKING Code on the Discovery Board - when compiled wit...

Posted on May 28, 2012 at 18:51Why should the App.h file with :   /// PORTA[0..15] = Available :   RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOA , ENABLE);    GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin...