Hi,
Patch proposal for SDK 2.2.0 (LPCXpresso54608):
Date: Fri Jun 30 13:37:31 2017 +0200 sdmmc: fix MMC_DecodeCid() according to MMC spec (not SD spec) JSED84-B45 and Physical Layer Simplified Specification Version 2.00 define a little different CID fields structure.diff --git a/sdmmc/src/fsl_mmc.c b/sdmmc/src/fsl_mmc.cindex e980aa4..770930d 100755--- a/sdmmc/src/fsl_mmc.c+++ b/sdmmc/src/fsl_mmc.c@@ -1497,13 +1497,14 @@ static void MMC_DecodeCid(mmc_card_t *card, uint32_t *rawCid) cid->productName[2U] = (uint8_t)((rawCid[2U] & 0xFF0000U) >> 16U); cid->productName[3U] = (uint8_t)((rawCid[2U] & 0xFF00U) >> 8U); cid->productName[4U] = (uint8_t)((rawCid[2U] & 0xFFU));+ cid->productName[5U] = (uint8_t)((rawCid[1U] & 0xFF000000U) >> 24U);- cid->productVersion = (uint8_t)((rawCid[1U] & 0xFF000000U) >> 24U);+ cid->productVersion = (uint8_t)((rawCid[1U] & 0xFF0000U) >> 16U);- cid->productSerialNumber = (uint32_t)((rawCid[1U] & 0xFFFFFFU) << 8U);- cid->productSerialNumber |= (uint32_t)((rawCid[0U] & 0xFF000000U) >> 24U);+ cid->productSerialNumber = (uint32_t)((rawCid[1U] & 0xFFFFU) << 16U);+ cid->productSerialNumber |= (uint32_t)((rawCid[0U] & 0xFFFF0000U) >> 16U);- cid->manufacturerData = (uint16_t)((rawCid[0U] & 0xFFF00U) >> 8U);+ cid->manufacturerData = (uint16_t)((rawCid[0U] & 0xFF00U) >> 8U); } static status_t MMC_AllSendCid(mmc_card_t *card)
best regards
J.
Is this thread related to the below threads?
sdmmc SD_Write()/SD_Read() failed with ATP card
https://community.nxp.com/thread/454708
Regards
Soledad
no, each of the issues is separate.
The patch concerns MMC chip and the links concerns different SD cards (different initialization problems).
Common things are only library name (sdmmc) and SDIF hardware.
