Posted on May 17, 2011 at 13:29Hi STOne-32, I found it, the problem was that the DPSM was in the IDLE stage, when it was set to the WAIT_R stage then it works. Greetings Rudi static SD_Error FindSCR(uint16_t rca, uint32_t *pscr) { . . . errorstatus...
Posted on May 17, 2011 at 13:29Hi STOne-32, the hardware is checked and I think it's ok. The pins PC8-PC12, PD2 are used. The software is the 4-bit DMA example from UM4024. Now I have extracted the code for the initialisation of the sdio interface, ...
Posted on May 17, 2011 at 13:29Hello *, I have a problem with the 4 bit mode of the sdio. The SPI mode works well (with another hardware), when I switched the project to the 4 bit mode, then all goes until the cmd SDIO_SD_APP_SEND_SCR was send. The ...
