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nvt-se 2008-03-28 15:58:43 +00:00
parent d5c8b18fc2
commit 3fec8ee5e7
10 changed files with 1367 additions and 562 deletions
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34
platform/msb430/dev/sd/sd_erase.c
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@ -41,16 +41,19 @@ scatterweb@lists.spline.inf.fu-berlin.de (subscription via the Website).
Berlin, 2007
*/
/**
* @file ScatterWeb.sd.erase.c
* @file ScatterWeb.Sd.erase.c
* @ingroup libsd
* @brief MMC-/SD-Card library, Block erase
*
* @author Michael Baar <baar@inf.fu-berlin.de>
* @date Feb 2007
* @version 0.2
* @version $Revision: 1.2 $
*
* $Id: sd_erase.c,v 1.2 2008/03/28 15:58:44 nvt-se Exp $
*/
/**
* @addtogroup libsd
* @{
@ -64,21 +67,26 @@ sd_erase_blocks(uint32_t address, uint16_t numBlocks)
uint8_t ret, r1;
uint32_t endAdr;
if (sd_protected())
if (sd_protected()) {
return FALSE;
ret =
sd_send_cmd(SD_CMD_ERASE_WR_BLK_START_ADDR, SD_RESPONSE_TYPE_R1,
&address, &r1);
if (!ret | r1)
}
ret = _sd_send_cmd(SD_CMD_ERASE_WR_BLK_START_ADDR, SD_RESPONSE_SIZE_R1,
&address, &r1);
if (!ret | r1) {
return FALSE;
}
endAdr = (numBlocks - 1) * sd_state.BlockLen;
endAdr += address;
ret =
sd_send_cmd(SD_CMD_ERASE_WR_BLK_END_ADDR, SD_RESPONSE_TYPE_R1, &endAdr,
&r1);
if (!ret | r1)
ret = _sd_send_cmd(SD_CMD_ERASE_WR_BLK_END_ADDR, SD_RESPONSE_SIZE_R1,
&endAdr, &r1);
if (!ret | r1) {
return FALSE;
ret = sd_send_cmd(SD_CMD_ERASE, SD_RESPONSE_TYPE_R1, NULL, &r1);
}
ret = _sd_send_cmd(SD_CMD_ERASE, SD_RESPONSE_SIZE_R1, NULL, &r1);
return ret;
}