Posted on September 22, 2014 at 08:06Aim: Read 4 byte from MAX31855 (SPI readonly compatible) using SPI2  1wire bidirectional (using DMA) Code: (attached) Note:  SPI_CR1_BIDIMODE bit set  SO->MOSI  DMA   Channel4->RX   Channel5->TX (though garbage ...

Posted on July 10, 2014 at 16:32The original post was too long to process during our migration. Please click on the attachment to read the original post.

Posted on May 13, 2014 at 17:29Code to test the behaviour of I2C in a 0-byte read transaction. When  I2C_READ_BYTES = 1 everything works as expected (TC interrupt). if dma is enabled, it will copy the data to buffer when I2C_READ_BYTES = 0 this will...