Passing float value to UART buffer ?
Dear Members,How can I pass float value from RPM to UART bufferfloat ==> (uint8_t*)&aTxBuffer8 ?(uint8_t*)&aTxBuffer8 = snprintf(str_rpm,sizeof(str_rpm),"%f",rpm);?Thanks
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How do interface 64GB SDXC memorycard with STM32F446VE controller?
i need to interface 64GB memory card with stm32f446ve controller,its file format is exFAT,is stm32f446ve supports 64GB?which interface is to use SPI/SDIO ?Thanks
Resolved! About printf() out on UART5 of STM32F3DISCOVERY Board
I'm testing printf() out on USART1 and UART5 of STM32F3DISCOVERY Board.USART1 tx (PC4) <-> RS232C converter UART5 Tx (PC12) <-> RS232C converterprintf() out on USART1 is working normally. but, printf() out on UART5 is not working.Could you please che...
STM32F7 UART5 issue
Before I explain the problem, I have to give some background. Our project went through a long stage of Proof-of-design, in which a maintenance program was written which tests all the interfaces. Part of this incuded BIT routines for those interfaces....
Resolved! How can I read & write TAMP backup x register?
In the reference manual under 39.6.18 there is the description of the TAMP backup registers (TAMP_BKPxR).Neither in the RM nor in the STM32CubeL5 Hal I can find the base address of those registers.How can I read&write to TAMP_BKP0R - TAMP_BKP31R?
how to send data from salve to master in i2c?
I have two i2cs, i2c1 and i2c2, I set i2c1 as master and send data request (a "0" char) to i2c2, which is set as slave. now I have enabled event interrupt in i2c2, and when i2c1 sends command, I could find the default MX generated interrupt function ...
Is STM32F44 supports 4Gb DDR4 SDRAM
I need to interface 4Gb DDR4 SDRAM with stm32f446vet6 controller
Error during debugging
hi,i am executing c/c++ application code in gnu mcu eclipse targeted to STM32F4. i am trying to perform software debugging i am getting the following error during the debugging process. the error is as follows/////////////////////////Error in service...
Two ADC channel read while 7 channel are configured
HI,Im using stm32l4r5. i configured 7 channels of ADC1.And configured in regular conversion mode (7 ranks). Scan mode enable and continous disable. but when i debbug only two chanel transfer data to array and other element of array = 0 . any one help...
