Add some fuction to read block from sd using dmac.

[bertos.git] / bertos / cpu / cortex-m3 / drv / hsmci_sam3.h

diff --git a/bertos/cpu/cortex-m3/drv/hsmci_sam3.h b/bertos/cpu/cortex-m3/drv/hsmci_sam3.h
index 9e41c016eba00093bac1c50b27907728601d602d..f5cebdc776a8610e8329f6fe975431aa84ed3672 100644 (file)
--- a/bertos/cpu/cortex-m3/drv/hsmci_sam3.h
+++ b/bertos/cpu/cortex-m3/drv/hsmci_sam3.h
@@ -38,8 +38,10 @@
 #ifndef DRV_HSMCI_SAM3_H
 #define DRV_HSMCI_SAM3_H
 
-#include <io/cm3.h>
 #include <cfg/macros.h>
+#include <cfg/debug.h>
+
+#include <io/cm3.h>
 
 #define CMD8_V_RANGE_CHECK_PAT    0xAA
 #define CMD8_V_RANGE_27V_36V      (0x100 | CMD8_V_RANGE_CHECK_PAT)
@@ -87,9 +89,20 @@ INLINE void hsmci_disableIrq(void)
        HSMCI_IDR = BV(HSMCI_IER_RTOE);
 }
 
+INLINE void hsmci_setBusWidth(size_t len)
+{
+       ASSERT((len == 8) || (len == 4) || (len == 1));
+       HSMCI_SDCR = (len << HSMCI_SDCR_SDCBUS_SHIFT) & HSMCI_SDCR_SDCBUS_MASK;
+}
+
 void hsmci_readResp(void *resp, size_t len);
 bool hsmci_sendCmd(uint8_t index, uint32_t argument, uint32_t reply_type);
 
+void hsmci_setBlkSize(size_t blk_size);
+bool hsmci_read(uint32_t *buf, size_t word_num);
+
+
+
 void hsmci_init(Hsmci *hsmci);
 
 #endif /* DRV_HSMCI_SAM3_H */