libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Update sd.c 

clean #if 0 code
This commit is contained in:
A.orz 2020-02-23 09:20:09 +08:00 committed by GitHub
parent 87cf14d95f
commit a646b9275d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 0 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
components/drivers/sdio/sd.c
View File

@ -93,25 +93,6 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
card->tacc_ns = (tacc_uint[csd->taac&0x07] * tacc_value[(csd->taac&0x78)>>3] + 9) / 10;
card->max_data_rate = tran_unit[csd->tran_speed&0x07] * tran_value[(csd->tran_speed&0x78)>>3];
#if 0
val = GET_BITS(resp, 115, 4);
unit = GET_BITS(resp, 112, 3);
csd->tacc_ns = (tacc_uint[unit] * tacc_value[val] + 9) / 10;
csd->tacc_clks = GET_BITS(resp, 104, 8) * 100;
val = GET_BITS(resp, 99, 4);
unit = GET_BITS(resp, 96, 3);
csd->max_data_rate = tran_unit[unit] * tran_value[val];
csd->ccc = GET_BITS(resp, 84, 12);
unit = GET_BITS(resp, 47, 3);
val = GET_BITS(resp, 62, 12);
csd->device_size = (1 + val) << (unit + 2);
csd->read_bl_len = GET_BITS(resp, 80, 4);
csd->write_bl_len = GET_BITS(resp, 22, 4);
csd->r2w_factor = GET_BITS(resp, 26, 3);
#endif
break;
case 1:
card->flags |= CARD_FLAG_SDHC;
@ -142,23 +123,6 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
card->tacc_ns = 0;
card->max_data_rate = tran_unit[csd->tran_speed&0x07] * tran_value[(csd->tran_speed&0x78)>>3];
#if 0
csd->tacc_ns = 0;
csd->tacc_clks = 0;
val = GET_BITS(resp, 99, 4);
unit = GET_BITS(resp, 96, 3);
csd->max_data_rate = tran_unit[unit] * tran_value[val];
csd->ccc = GET_BITS(resp, 84, 12);
val = GET_BITS(resp, 48, 22);
csd->device_size = (1 + val) << 10;
csd->read_bl_len = 9;
csd->write_bl_len = 9;
/* host should not use this factor and should use 250ms for write timeout */
csd->r2w_factor = 2;
#endif
break;
default:
LOG_E("unrecognised CSD structure version %d!", csd->csd_structure);