Posted on July 22, 2013 at 14:02Hello everybodyI have the weirdest problem on my i2c....I have some pcf8574's connected on my stm32f4Discovery and the work like a charm(thanks Clive1.....)But now i have connected some 5V relays which also work fine ...
Posted on July 21, 2013 at 13:50 Hello, i am making adsp-21488 spi flash programmer, and i run into some trublmes. I use STM32F415 and using SPI1 (PA5/6/7) *** PB0 for communication with SPI. I can read Flash ID with no problem, and it's...
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Posted on January 11, 2013 at 18:51I have a project with OV7670 with stm32f4-discovery. My OV7670 has 16 pins and without fifo. And I don't have LCD. I hope I can use OV7670 to get view into stm32f4 and transmit data to smart phone and get the real ...
Posted on February 15, 2012 at 08:55Good day,I have some problem here, I took some code from another project, I rewrote some parts. But my camera do not want to work. I just want to read the ID of camera through I2C (or so called SCCB), but I always...
Posted on June 27, 2015 at 00:51Hi, when I use a peripheral with some unused pins, can I use other alternate functions of those pins (for other peripherals)? for example, in STM32f407, I use SPI2 with unused SPI2_NSS (pin 140). can I use this pin as...
Posted on June 27, 2015 at 17:52Just after I downloaded a program into Stm32F100 Discovery card, the STM32 ST-LINK Utility lost contact with the card. Now it cannot connect to it, no matter what I do. The software in the card is a plain GPIO test fr...
Posted on June 27, 2015 at 16:05Hi, i got a Nucleo F401RE Board and tried to update the flash with the internal bootloader, it works perfectly with USB<->RS232 bridge at 115200baud on UART1 (PA9,PA10), i got correct responses from bootloader, id, an...
Posted on June 27, 2015 at 19:16 //---------------------------------------------------------------------------- setup CAN interface *----------------------------------------------------------------------------*/ void CAN_setup (uint32_t ctrl) { C...
Posted on June 18, 2015 at 12:57I have programmed many STM32F030C8 chips with Discovery board but the success rate while trying to program each Chip is very low. Some times after many tries the chip gets programmed and some times it does not work at...
