Posted on July 08, 2012 at 02:03Hello, I bought a STM32-Discovery, but when I turn on, the power led blink, and then the LED goes off. The PC dont detect a new hardware..I measure the voltage in the TP1 is 0,85V. I think the board has a short but ye...
Posted on January 31, 2012 at 22:53 Here is my code block for setting up the EXTI for Port B pin 0: void VFD_Busy_EXTI_Init( void ){ GPIO_InitTypeDef GPIO_InitStructure; EXTI_InitTypeDef EXTI_InitStructure; NVIC_InitTypeDef NVIC_InitS...
Posted on July 06, 2012 at 12:07Hi I am using a STM32F103ZG and Keil uVision + RTX. I have a multi-threaded application using interrupts and DMA. The problem I have is an intermittent ISR FIFO overflow and, upon inspection, some odd interrupts / SVC...
Posted on July 04, 2012 at 21:33Hallo, I have not found, in the stm32f100x reference manual or data sheet, any mentioning of a DC offset on the DAC. But if use DAC_OutputBuffer_Enable, I get ~ 60 mV on the pins (nothing connected but a scope) when c...
Posted on July 05, 2012 at 18:59Hi Everyone,I'm writing a program that receives data from the USB and writes data into the flash. The program also resides in flash.Before each erase and write operation, the USB is NACKed because the flash erase/writ...
Posted on July 03, 2012 at 09:55I've just purchased ST-Link/2 programmer and installed ST-Link Utility v.2.3.0. I load intel hex file which contains 0x55, 0xAA at adressess 0x0800FFFE and 0x0800FFFF respectively. The device is STM32F103C8T6. Howeve...
Posted on July 05, 2012 at 01:52Hello.I'm facing a problem when trying to send data with function USART_SendData(USART1, (uint16_t)resultat) (resultat is a int 32 bits).When i step by step debugged it, i discovered that my program just enters in an ...
Posted on July 01, 2012 at 13:32 Hi, everyone. I'm testing on fsmc stm32f407VG. I use the Address / Data multiplexed on databus (MUXEN = 1). 2 modes of testing EXTMOD = 0 and 1. Initialization: FSMC_Bank1->BTCR[0] = //FSMC_BCR2_EXTMOD | ...
Posted on July 01, 2012 at 13:57Hi, everyone. Testing STM32F407. Runs it at 168 MHz (5.92 ns cycle), FLASH-> ACR = FLASH_ACR_DCEN | FLASH_ACR_ICEN | FLASH_ACR_PRFTEN | FLASH_ACR_LATENCY_5WS. Outstanding at the PA1 a simple square wave: PM_(RCC->AHB...
