About SUchi.4

SUchi.4 · 2022-08-17

I want to use I2C at master mode, and SPI at slave mode.After HAL_SPI_TransmitReceive_IT api is called, HAL_I2C_Master_Transmit api does not work on STM32L011K4T6.Before HAL_SPI_TransmitReceive_IT api is called, HAL_I2C_Master_Transmit api does work ...

SUchi.4 · 2022-08-18

Hello,> Do you have pull-up resistors on the I2C lines ?Yes. HAL_I2C_Master_Transmit before HAL_SPI_TransmitReceive_IT works well.And if commented out HAL_SPI_TransmitReceive_IT, all HAL_I2C_Master_Transmit work well.> Have you activated the SPI in...

SUchi.4 · 2022-08-17

Thank you for your reply.I attached ioc file and main.c .The other source codes are not modified.In my debugging, I checked HAL_I2C_Master_Transmit (main.c line 128) function by step-by-step execution.At below code in HAL_I2C_Master_Transmit, SDA a...

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I2C does not work with SPI Slave mode on STM32L011

Re: I2C does not work with SPI Slave mode on STM32L011

Re: I2C does not work with SPI Slave mode on STM32L011