LPC MicrocontrollersのトピックLPC1788 sdcard interface drvie eMMC

LPC1788 sdcard interface drvie eMMC

mini92 — Fri, 21 Jul 2017 06:31:07 GMT

I use LPC 1788 SDIO interface driving eMMC but initialization err

Re: LPC1788 sdcard interface drvie eMMC

soledad — Fri, 21 Jul 2017 19:33:57 GMT

Hi,

According with the reference manual the LPC1788 supports SD card interface that also supports MMC cards only.
So, this device does not support eMMC.

Have a great day,

Soledad

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Re: LPC1788 sdcard interface drvie eMMC

mini92 — Mon, 24 Jul 2017 03:37:57 GMT

Hi,

eMMC and MMC card Hardware interface is same ,different is driver software ,

and MMC card drive eMMC driver The difference is very small

Can software not support it?

I see

In fs_mci.c function :

/**
* @brief Read card configuration and fill structure CardConfig.
*
* @param None
* @retval TRUE or FALSE.
*/
Bool mci_read_configuration (void)

/* Select Card */
if(MCI_Cmd_SelectCard() != MCI_FUNC_OK) /* CMD7 tese same card reader */
{
break;
}

// In this line add achieve：

EmmcReadExtCsd

and according to ExtCsd message set same CardInfo

Can you help me？

thank you