About MMish.2

MMish.2 · 2021-06-06

I'm a biginner on embedded programing and facing an I2C communication halt issue when I put HAL_I2C_Master_Seq_Transmit_IT() in HAL_GPIO_EXTI_Falling_Callback(). STM32CubeIDE: Version: 1.6.0, Build: 9614_20210223_1703 (UTC)Target board: NUCLEO-G031...

MMish.2 · 2021-06-07

Hi TDK, Thank you for the reply and advice.Now it's working. I've changed I2C API from HAL_I2C_Master_Transmit_IT() to HAL_I2C_Master_Transmit() under IRQHandler(). I don't know why it worked. But maybe there is a rule NOT to put "an API with int...

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I2C communication halted in HAL_GPIO_EXTI_Falling_Callback

Re: I2C communication halted in HAL_GPIO_EXTI_Falling_Callback