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ChibiOS
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Now the driver is able to read blocks. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2928 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2011-05-08 06:12:09 +00:00
parent a8ea499b27
commit f6c6d6ca84
1 changed files with 8 additions and 2 deletions
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10
os/hal/platforms/STM32/sdc_lld.c
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@ -70,6 +70,8 @@ CH_IRQ_HANDLER(SDIO_IRQHandler) {
} }
chSysUnlockFromIsr(); chSysUnlockFromIsr();
SDIO->ICR = 0xFFFFFFFF;
CH_IRQ_EPILOGUE(); CH_IRQ_EPILOGUE();
} }
@ -345,8 +347,8 @@ bool_t sdc_lld_read(SDCDriver *sdcp, uint32_t startblk,
SDIO->MASK = SDIO_MASK_DCRCFAILIE | SDIO_MASK_DTIMEOUTIE | SDIO->MASK = SDIO_MASK_DCRCFAILIE | SDIO_MASK_DTIMEOUTIE |
SDIO_MASK_DATAENDIE | SDIO_MASK_STBITERRIE; SDIO_MASK_DATAENDIE | SDIO_MASK_STBITERRIE;
SDIO->DLEN = n * SDC_BLOCK_SIZE; SDIO->DLEN = n * SDC_BLOCK_SIZE;
SDIO->DCTRL = SDIO_DCTRL_RWMOD | SDIO->DCTRL = SDIO_DCTRL_DTDIR |
SDIO_DCTRL_DBLOCKSIZE_3 | SDIO_DCTRL_DBLOCKSIZE_3 | SDIO_DCTRL_DBLOCKSIZE_3 | SDIO_DCTRL_DBLOCKSIZE_0 |
SDIO_DCTRL_DMAEN | SDIO_DCTRL_DMAEN |
SDIO_DCTRL_DTEN; SDIO_DCTRL_DTEN;
@ -377,6 +379,10 @@ bool_t sdc_lld_read(SDCDriver *sdcp, uint32_t startblk,
goto error; goto error;
} }
} }
dmaDisableChannel(STM32_DMA2, STM32_DMA_CHANNEL_4);
SDIO->ICR = 0xFFFFFFFF;
SDIO->MASK = 0;
SDIO->DCTRL = 0;
chSysUnlock(); chSysUnlock();
if (sdc_lld_send_cmd_short_crc(sdcp, SDC_CMD_STOP_TRANSMISSION, 0, resp)) if (sdc_lld_send_cmd_short_crc(sdcp, SDC_CMD_STOP_TRANSMISSION, 0, resp))