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I need to transmit two buffer trought HAL_UART_Transimit_DMA. I wrote in the code two consecutive command to do it but when I run the code, HAL_UART_Transimit_DMA do not return HAL_OK. It return HAL_OK only in debug mode stepping with F6. Why?

uint8_t slv_add[] = {0xF1, 0x0A, 0x00, 0x57, 0x53};                            if(HAL_UART_Transmit_DMA(&huart1, &slv_add, (sizeof(slv_add)/sizeof((slv_add)))) != HAL_OK)Error_Handler();uint8_t cell_sel[] = {0x91, 0x00, 0x0D, 0x06, 0xA8, 0x6E};      ...

GMart.6 by Associate II
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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

0693W00000HoeKxQAJ.png
SSaya.1 by Associate II
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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

GFell.1 by Associate II
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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...