Forum Posts
Resolved! i2c to communicate two STM32F103C8T6
hello,i am trying i2c to communicate two stm32f103c8t6 . It is not working. logic analyzer output is shown in picture.what can be done for i2c to communicate two stm32f103c8t6 address 0x00
STM32L422CB, low power consumption in capacitive proximity by single channel wake up source.
Dear All,We are planning to use STM32L422CB MCU in our application, but for low power consumption we are expecting capacitive proximity by signle channel or simple wake up by proximity.Somehow, we are not able to find out exact current in low power s...
MFI SDK for STM32
Is there a software addon, SDK or examples for the apple MFI program for STM32 available?We are already MFI members.Thanks,Gabriel
Why toggling of Port E inside the timer 2 interrupt handler only work if the APB1 prescaler is set to /2 or /4 only?
I have a Timer 2 interrupt handler which will toggle the Port E output. My MCU is STM32F407 running at 168 Mhz. I found that the toggle code inside the interrupt handler only work if the APB1 prescaler is set to /2 or /4 only. Slower ABB1 frequency...
Resolved! HAL_I2C_IsDeviceReady timeout w/ eeprom
I've been using a Microchip I2C eeprom in a commercial product that uses an F730 for a bit over a year. I've been using the same code to flash hundreds of units and have never had any issues.I've opened up my project recently and got prompted for an ...
Resolved! STM32F10x Flash size mismatch
I have a bunch of Blue Pill boards I'm re-animating (ye olde chippe shortage, y'know). Attacking them with stm32flash reports a flash size of 128 kBytes. On the other hand, 0x1FFFF7E0 contains 0x40, indicating 64 kBytes of flash.Now, which of these i...
B-U585: Qualify SSID with space: Not good!
Hello,the B-U585 Demo when asking for the SSID qualifies a name with a spacebar. Problem is, that many SSIDs contain a space by itself, like "FRITZ!Box 7530 ..." or "Galaxy ...". As the application does not echo what is sees, useres are left in the d...
Resolved! UART interrupt mode is working but HAL_UART_Transmit_DMA not work why?
I want to send and receive data using DMA but HAL_UART_Transmit_DMA this function not sending any data returns HAL_BUSY error.while uart in interrupt mode both send & receive data works fine.how can i send data using DMA ?/* USER CODE BEGIN Header */...
