Posted on March 08, 2017 at 15:45I am working with the STM32F427 and HAL V1.6.0 and use the function HAL_I2C_Master_Receive_DMA.Sometimes (~20 times a day) I have troubles because after the callback HAL_I2C_MasterRxCpltCallback another byte is trans...

Posted on January 09, 2017 at 13:49My software checks the I2C state of a device by calling if( HAL_I2C_IsDeviceReady(hi2c, addr, 2, 15)!= HAL_OK).There are several changes in the new Version of HAL V1.6.The problem is the expired Delay tickstart wit...

Posted on May 13, 2014 at 09:44Hello I work with STM32CubeMX with Keil and to realize a I2C Slave withe the STM32F427. I have 2 questions: STM32CubeMX: I2Cx Configuration: Primary slave address is a 7bit value --> 0..127 In the file stm32fxx_hal_i...

Posted on October 31, 2012 at 08:05I emulate an I2C eeprom. I first receive the address, then I set the DMA-Source pointer to my tx-array (DMA_MemoryBaseAddr). As I have configured autoincrement, several bytes will be transferred. When the second re...