diff options
| author | aozima <[email protected]> | 2018-03-09 21:29:53 +0800 |
|---|---|---|
| committer | aozima <[email protected]> | 2018-03-09 21:38:18 +0800 |
| commit | 0e4de6f8f47090e72f3fc622a37ea7c554e59128 (patch) | |
| tree | 975b045272b71d750c6167197f4ecdaedbc76bb6 /components/drivers | |
| parent | f582bb5ba4b916cc0e8890a5ebef2a2f48c2297a (diff) | |
[DeviceDrivers][SPI][spi_msd.c] fixed CSD Version 2.0 sector count calc.
Diffstat (limited to 'components/drivers')
| -rw-r--r-- | components/drivers/spi/spi_msd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/components/drivers/spi/spi_msd.c b/components/drivers/spi/spi_msd.c index fce48de1fa..5e9ae6289e 100644 --- a/components/drivers/spi/spi_msd.c +++ b/components/drivers/spi/spi_msd.c @@ -2,7 +2,7 @@ * File : msd.c * SPI mode SD Card Driver * This file is part of RT-Thread RTOS - * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team + * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at @@ -15,6 +15,7 @@ * 2012-02-01 aozima use new RT-Thread SPI drivers. * 2012-04-11 aozima get max. data transfer rate from CSD[TRAN_SPEED]. * 2012-05-21 aozima update MMC card support. + * 2018-03-09 aozima fixed CSD Version 2.0 sector count calc. */ #include <string.h> @@ -1163,8 +1164,9 @@ static rt_err_t rt_msd_init(rt_device_t dev) /* memory capacity = (C_SIZE+1) * 512K byte */ card_capacity = (C_SIZE + 1) / 2; /* unit : Mbyte */ - msd->geometry.sector_count = card_capacity * 1024; /* 1 Mbyte = 512 byte X 2048 */ + msd->geometry.sector_count = (C_SIZE + 1) * 1024; /* 512KB = 1024sector */ MSD_DEBUG("[info] card capacity : %d.%d Gbyte\r\n", card_capacity / 1024, (card_capacity % 1024) * 100 / 1024); + MSD_DEBUG("[info] sector_count : %d\r\n", msd->geometry.sector_count); } else { |