Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on July 24, 2012 at 17:32 Hey all, Got a small problem when interfacing with a UART based oLED display. The display returns 0x06 or 0x15 after it has received a command, I can see this happening on my O-Scope and I have confir...
Posted on June 21, 2013 at 13:59 search for CBW_CB_LENGTH typedef union _USBH_CBW_Block { struct __CBW { uint32_t CBWSignature; uint32_t CBWTag; uint32_t CBWTransferLength; uint8_t CBWFlags; uint8_t CBWLUN; uint8_t CBWLe...
Posted on June 24, 2013 at 00:00 I wrote this program whitch send what it receive and each time it toggel the 4 leds in the board ! when i'm debugging the program don't catch the receive interruption ! #include ''stm32f4xx.h'' #inc...
Posted on June 19, 2013 at 20:08hello i have a folder contains many projects and all of them goes to same library file , each projects work great , but when i copy the main code of one project to other i got the linking problem like that ''Error[Li0...
Posted on June 23, 2013 at 23:15in datasheet the maximum speed of gpio is 84mhz it means ( 168mbit ) because 1hz=2bit
Posted on February 23, 2013 at 15:36 hello forum , please have a look at my STM32F4 code - the USART1 interrupt never gets called when a character arrives at the serial port I am sure about my PC side program becouse it is tested...
Posted on June 20, 2013 at 22:30Hi, I'm desperate to not achieve my project with the internal temperature sensor of STM32F0 For now I try to read the sensor factory calibration data stored in the system memory by simple pointer that way. (53) uint...
Posted on June 22, 2013 at 19:06 Hi everyone, I'm trying to configure I2C3 on the stm32f4 discovery board but i end up in the hard fault handler at I2C_Init. I am doing something weird i'm sure, any ideas? void I2C_Co...
Posted on June 23, 2013 at 14:16When I use the function ''GPIO_PinAFConfig'' in order to map pins to the device can I use any pins I want or I have to respect some roles ?
Posted on June 21, 2013 at 09:36Hello everyone, I'm working on STM32F4discovery board. I used the example in the firmware and it worked. But when i wanted to upgrade firmware with my own codes, it didn't work. I even used the codes in the board firm...
