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lock SPI bus when erasing

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nvt-se 2008-05-27 13:01:27 +00:00
parent a26bcf30f7
commit bff587e32c
1 changed files with 9 additions and 2 deletions
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11
platform/msb430/dev/sd/sd_erase.c
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@ -47,9 +47,9 @@ Berlin, 2007
* @brief MMC-/SD-Card library, Block erase * @brief MMC-/SD-Card library, Block erase
* *
* @author Michael Baar <baar@inf.fu-berlin.de> * @author Michael Baar <baar@inf.fu-berlin.de>
* @version $Revision: 1.3 $ * @version $Revision: 1.4 $
* *
* $Id: sd_erase.c,v 1.3 2008/03/28 23:03:05 nvt-se Exp $ * $Id: sd_erase.c,v 1.4 2008/05/27 13:01:27 nvt-se Exp $
*/ */
/** /**
@ -69,9 +69,14 @@ sd_erase_blocks(uint32_t address, uint16_t numBlocks)
return FALSE; return FALSE;
} }
if (!uart_lock(UART_MODE_SPI)) {
return FALSE;
}
ret = _sd_send_cmd(SD_CMD_ERASE_WR_BLK_START_ADDR, SD_RESPONSE_SIZE_R1, ret = _sd_send_cmd(SD_CMD_ERASE_WR_BLK_START_ADDR, SD_RESPONSE_SIZE_R1,
&address, &r1); &address, &r1);
if (!ret | r1) { if (!ret | r1) {
uart_unlock(UART_MODE_SPI);
return FALSE; return FALSE;
} }
@ -81,10 +86,12 @@ sd_erase_blocks(uint32_t address, uint16_t numBlocks)
ret = _sd_send_cmd(SD_CMD_ERASE_WR_BLK_END_ADDR, SD_RESPONSE_SIZE_R1, ret = _sd_send_cmd(SD_CMD_ERASE_WR_BLK_END_ADDR, SD_RESPONSE_SIZE_R1,
&endAdr, &r1); &endAdr, &r1);
if (!ret | r1) { if (!ret | r1) {
uart_unlock(UART_MODE_SPI);
return FALSE; return FALSE;
} }
ret = _sd_send_cmd(SD_CMD_ERASE, SD_RESPONSE_SIZE_R1, NULL, &r1); ret = _sd_send_cmd(SD_CMD_ERASE, SD_RESPONSE_SIZE_R1, NULL, &r1);
uart_unlock(UART_MODE_SPI);
return ret; return ret;
} }