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OV7670 camera

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...

hitsumen by Associate II
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  • 4 replies
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UNUSED PINS OF A PERIPHERAL

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...

Can't connect to Discovery card

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...

LMI2 by Lead
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STM32F401RE Firmware update over Bluetooth

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...

sauer by Associate II
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CAN RX IRQ Question STM32F429

Posted on June 27, 2015 at 19:16 //---------------------------------------------------------------------------- setup CAN interface *----------------------------------------------------------------------------*/ void CAN_setup (uint32_t ctrl) { C...

Programming Bare STM32F0 Chip with Discovery SWD

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...

audio_playback_and_record example add uart2

Posted on June 26, 2015 at 20:36audio_playback_and_record example add uart2 hello everyone. this week i start to dev in stm32f4discovery install cubeMX and get examples STM32Cube_FW_F4_v1.6.0 edditing audio_playback_and_record example  and add uart...

Simulation error for STM32F030P4 in keil compiler

Posted on June 26, 2015 at 23:06 Hello.... I want to simulation my program for STM32f030p4 in the keil compiler but simulator don't work correctly and it show this error. [img]http://s6.picofile.com/file/8195983818/error2.jpg[/img] would you please ...

dizin by Associate II
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SystemInit is not called as expected

Posted on June 26, 2015 at 10:35Dear community,if I look for the contents of the startup.s file of e.g. a STM32F373RB firmware then I recognize following lines:                 LDR     R0, =SystemInit   ; load a word into R0 e.g. the address of Syst...

jogerh by Associate II
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Overrun issue while echo with hyperterminal

Posted on June 26, 2015 at 10:44 Hello, Often I get an overrun error when a char is received from PC. uint8_t UART_GetC(uint8_t * const pbyRxByte); void Term_sending(void){ uint8_t byRxByte; do { while (UART_GetC(&byRxByte) == ...

astree by Associate II
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  • 1 replies
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