WebApr 28, 2024 · I'm trying to understand how the STM32F091VB manages the send of data via serial protocol with the function HAL_UART_Transmit_IT(). At the moment I've a function called in the main() that creates the packet and send it via serial; it is something like this: WebSo all other executions are blocked until the data is received or the timeout happens. That’s why the LED blink rate reduces here. To overcome this, we will use INTERRUPT or DMA methods. Using the INTERRUPT In interrupt mode, Reception takes place in non-blocking mode or in the background.
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WebDec 22, 2024 · HAL_I2S_Transmit (I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout) Transmit an amount of data in blocking mode. HAL_StatusTypeDef HAL_I2S_Receive (I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout) Receive an amount of data in blocking mode. HAL_StatusTypeDef WebDec 3, 2016 · HAL_StatusTypeDef HAL_SPI_TransmitReceive (SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) { #ifdef USE_SPI_CRC __IO uint16_t tmpreg = 0U; #endif uint32_t tickstart = 0U; HAL_StatusTypeDef errorcode = HAL_OK; /* Check Direction parameter */ … k of y
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WebApr 11, 2024 · 返回值:HAL_StatusTypeDef,HAL状态(OK,busy,ERROR,TIMEOUT)参数二:uint16_t DevAddress,目标器件的地址,七位地址必须左对齐。参数四:uint16_t MemAddSize,目标器件内部寄存器地址数据长度。参数三:uint16_t MemAddress,目标器件的目标寄存器地址。参数五:uint8_t *pData,待 … WebJul 11, 2024 · Re: STM32L4 32kHz low speed clock. Well in a usual / most typical design, a 32768Hz crystal is only used to clock the Real Time Clock peripheral (and even then, the interface of that peripheral comes elsewhere like APB which is usually clocked from the same high-speed clock, internal or external, as the core). WebAn alternative way for the DWT to achieve time delay in milliseconds, microseconds, and even nanoseconds (require SysCLK >= 100MHz) is the hardware timers in the microcontroller. You can use one of them to achieve this task. I prefer to use a general-purpose or basic timer so you don’t lose valuable hardware resources for this task. k offices