cc3200: New SD and RTC API plus os and time modules' extensions.

5 files changed, 173 insertions, 181 deletions

diff --git a/cc3200/fatfs/src/diskio.c b/cc3200/fatfs/src/diskio.c
index cd1d2e5be5..f8a84a30c5 100644
--- a/cc3200/fatfs/src/diskio.c
+++ b/cc3200/fatfs/src/diskio.c
@@ -10,12 +10,11 @@
 #include <stdbool.h>
 
 #include "py/mpconfig.h"
+#include "py/runtime.h"
 #include "py/obj.h"
-#include "diskio.h"		        /* FatFs lower layer API */
+#include "diskio.h"             /* FatFs lower layer API */
 #include "sflash_diskio.h"      /* Serial flash disk IO API */
-#if MICROPY_HW_HAS_SDCARD
-#include "sd_diskio.h"		    /* SDCARD disk IO API */
-#endif
+#include "sd_diskio.h"          /* SDCARD disk IO API */
 #include "inc/hw_types.h"
 #include "inc/hw_ints.h"
 #include "inc/hw_memmap.h"
@@ -23,10 +22,9 @@
 #include "prcm.h"
 #include "pybrtc.h"
 #include "timeutils.h"
-
-/* Definitions of physical drive number for each drive */
-#define SFLASH		0	/* Map SFLASH drive to drive number 0 */
-#define SDCARD	    1	/* Map SD card to drive number 1 */
+#include "ff.h"
+#include "pybsd.h"
+#include "moduos.h"
 
 
 /*-----------------------------------------------------------------------*/
@@ -37,21 +35,20 @@ DSTATUS disk_status (
 	BYTE pdrv		/* Physical drive nmuber to identify the drive */
 )
 {
-	switch (pdrv) {
-	case SFLASH :
-	    return sflash_disk_status();
-#if MICROPY_HW_HAS_SDCARD
-	case SDCARD :
-	    return sd_disk_status();
-#endif
-	default:
-	    break;
-	}
-	return STA_NODISK;
+    if (pdrv == FLASH) {
+        return sflash_disk_status();
+    } else {
+        os_fs_mount_t *mount_obj;
+        if ((mount_obj = osmount_find_by_volume(pdrv))) {
+            if (mount_obj->writeblocks[0] == MP_OBJ_NULL) {
+                return STA_PROTECT;
+            }
+            return 0;
+        }
+    }
+    return STA_NODISK;
 }
 
-
-
 /*-----------------------------------------------------------------------*/
 /* Inidialize a Drive                                                    */
 /*-----------------------------------------------------------------------*/
@@ -60,29 +57,22 @@ DSTATUS disk_initialize (
 	BYTE pdrv				/* Physical drive nmuber to identify the drive */
 )
 {
-	DSTATUS stat = 0;
-
-	switch (pdrv) {
-	case SFLASH :
-		if (RES_OK != sflash_disk_init()) {
-		    stat = STA_NOINIT;
-		}
-		return stat;
-#if MICROPY_HW_HAS_SDCARD
-    case SDCARD :
-        if (RES_OK != sd_disk_init()) {
-            stat = STA_NOINIT;
+    if (pdrv == FLASH) {
+        if (RES_OK != sflash_disk_init()) {
+            return STA_NOINIT;
         }
-        return stat;
-#endif
-    default:
-        break;
-	}
-	return STA_NOINIT;
+    } else {
+        os_fs_mount_t *mount_obj;
+        if ((mount_obj = osmount_find_by_volume(pdrv))) {
+            if (mount_obj->writeblocks[0] == MP_OBJ_NULL) {
+                return STA_PROTECT;
+            }
+            return 0;
+        }
+    }
+    return STA_NODISK;
 }
 
-
-
 /*-----------------------------------------------------------------------*/
 /* Read Sector(s)                                                        */
 /*-----------------------------------------------------------------------*/
@@ -94,22 +84,25 @@ DRESULT disk_read (
 	UINT count		/* Number of sectors to read */
 )
 {
-	switch (pdrv) {
-	case SFLASH :
-	    return sflash_disk_read(buff, sector, count);
-#if MICROPY_HW_HAS_SDCARD
-    case SDCARD :
-        return sd_disk_read(buff, sector, count);
-#endif
-    default:
-        break;
-	}
-
-	return RES_PARERR;
+    if (pdrv == FLASH) {
+        return sflash_disk_read(buff, sector, count);
+    } else {
+        os_fs_mount_t *mount_obj;
+        if ((mount_obj = osmount_find_by_volume(pdrv))) {
+            // optimization for the built-in sd card device
+            if (mount_obj->device == (mp_obj_t)&pybsd_obj) {
+                return sd_disk_read(buff, sector, count);
+            }
+            mount_obj->readblocks[2] = MP_OBJ_NEW_SMALL_INT(sector);
+            mount_obj->readblocks[3] = mp_obj_new_bytearray_by_ref(count * 512, buff);
+            return mp_obj_get_int(mp_call_method_n_kw(2, 0, mount_obj->readblocks));
+        }
+        // nothing mounted
+        return RES_ERROR;
+    }
+    return RES_PARERR;
 }
 
-
-
 /*-----------------------------------------------------------------------*/
 /* Write Sector(s)                                                       */
 /*-----------------------------------------------------------------------*/
@@ -122,18 +115,23 @@ DRESULT disk_write (
 	UINT count			/* Number of sectors to write */
 )
 {
-	switch (pdrv) {
-	case SFLASH :
-		return sflash_disk_write(buff, sector, count);
-#if MICROPY_HW_HAS_SDCARD
-    case SDCARD :
-        return sd_disk_write(buff, sector, count);
-#endif
-    default:
-        break;
-	}
-
-	return RES_PARERR;
+    if (pdrv == FLASH) {
+        return sflash_disk_write(buff, sector, count);
+    } else {
+        os_fs_mount_t *mount_obj;
+        if ((mount_obj = osmount_find_by_volume(pdrv))) {
+            // optimization for the built-in sd card device
+            if (mount_obj->device == (mp_obj_t)&pybsd_obj) {
+                return sd_disk_write(buff, sector, count);
+            }
+            mount_obj->writeblocks[2] = MP_OBJ_NEW_SMALL_INT(sector);
+            mount_obj->writeblocks[3] = mp_obj_new_bytearray_by_ref(count * 512, (void *)buff);
+            return mp_obj_get_int(mp_call_method_n_kw(2, 0, mount_obj->writeblocks));
+        }
+        // nothing mounted
+        return RES_ERROR;
+    }
+    return RES_PARERR;
 }
 #endif
 
@@ -149,41 +147,47 @@ DRESULT disk_ioctl (
 	void *buff		/* Buffer to send/receive control data */
 )
 {
-    switch (pdrv) {
-    case SFLASH:
+    if (pdrv == FLASH) {
         switch (cmd) {
         case CTRL_SYNC:
             return sflash_disk_flush();
         case GET_SECTOR_COUNT:
             *((DWORD*)buff) = SFLASH_SECTOR_COUNT;
             return RES_OK;
-            break;
         case GET_SECTOR_SIZE:
-            *((WORD*)buff) = SFLASH_SECTOR_SIZE;
+            *((DWORD*)buff) = SFLASH_SECTOR_SIZE;
             return RES_OK;
-            break;
         case GET_BLOCK_SIZE:
             *((DWORD*)buff) = 1; // high-level sector erase size in units of the block size
             return RES_OK;
         }
-        break;
-#if MICROPY_HW_HAS_SDCARD
-    case SDCARD:
-        switch (cmd) {
-        case CTRL_SYNC:
-            return RES_OK;
-        case GET_SECTOR_COUNT:
-            *(WORD*)buff = sd_disk_info.ulNofBlock;
-            break;
-        case GET_SECTOR_SIZE :
-            *(WORD*)buff = SD_SECTOR_SIZE;
-            break;
-        case GET_BLOCK_SIZE:
-            *((DWORD*)buff) = 1; // high-level sector erase size in units of the block size
-            return RES_OK;
+    } else {
+        os_fs_mount_t *mount_obj;
+        if ((mount_obj = osmount_find_by_volume(pdrv))) {
+            switch (cmd) {
+            case CTRL_SYNC:
+                if (mount_obj->sync[0] != MP_OBJ_NULL) {
+                    mp_call_method_n_kw(0, 0, mount_obj->sync);
+                }
+                return RES_OK;
+            case GET_SECTOR_COUNT:
+                // optimization for the built-in sd card device
+                if (mount_obj->device == (mp_obj_t)&pybsd_obj) {
+                    *((DWORD*)buff) = sd_disk_info.ulNofBlock * (sd_disk_info.ulBlockSize / 512);
+                } else {
+                    *((DWORD*)buff) = mp_obj_get_int(mp_call_method_n_kw(0, 0, mount_obj->count));
+                }
+                return RES_OK;
+            case GET_SECTOR_SIZE:
+                *((DWORD*)buff) = SD_SECTOR_SIZE;  // Sector size is fixed to 512 bytes, as with SD cards
+                return RES_OK;
+            case GET_BLOCK_SIZE:
+                *((DWORD*)buff) = 1; // high-level sector erase size in units of the block size
+                return RES_OK;
+            }
         }
-        break;
-#endif
+        // nothing mounted
+        return RES_ERROR;
     }
     return RES_PARERR;
 }
@@ -195,7 +199,7 @@ DWORD get_fattime (
 )
 {
     timeutils_struct_time_t tm;
-    timeutils_seconds_since_2000_to_struct_time(pybrtc_get_seconds(), &tm);
+    timeutils_seconds_since_2000_to_struct_time(pyb_rtc_get_seconds(), &tm);
 
     return ((tm.tm_year - 1980) << 25) | ((tm.tm_mon) << 21)  |
             ((tm.tm_mday) << 16)       | ((tm.tm_hour) << 11) |
diff --git a/cc3200/fatfs/src/diskio.h b/cc3200/fatfs/src/diskio.h
index 6e4a056f06..15d732b6d1 100644
--- a/cc3200/fatfs/src/diskio.h
+++ b/cc3200/fatfs/src/diskio.h
@@ -38,6 +38,8 @@ DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
 DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
 DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
 
+/* Definitions of physical drive number for each drive */
+#define FLASH           0   /* Map FLASH drive to drive number 0 */
 
 /* Disk Status Bits (DSTATUS) */
 
diff --git a/cc3200/fatfs/src/drivers/sd_diskio.c b/cc3200/fatfs/src/drivers/sd_diskio.c
index 3b17aa6b89..358f33fbbd 100644
--- a/cc3200/fatfs/src/drivers/sd_diskio.c
+++ b/cc3200/fatfs/src/drivers/sd_diskio.c
@@ -302,19 +302,6 @@ void sd_disk_deinit (void) {
 
 //*****************************************************************************
 //
-//! Gets the disk status.
-//!
-//! This function gets the current status of the drive.
-//!
-//! \return Returns the current status of the specified drive
-//
-//*****************************************************************************
-DSTATUS sd_disk_status (void) {
-    return sd_disk_info.bStatus;
-}
-
-//*****************************************************************************
-//
 //! Reads sector(s) from the disk drive.
 //!
 //!
@@ -365,6 +352,7 @@ DRESULT sd_disk_read (BYTE* pBuffer, DWORD ulSectorNumber, UINT SectorCount) {
                     pBuffer += 4;
                 }
                 CardSendCmd(CMD_STOP_TRANS, 0);
+                while (!(MAP_SDHostIntStatus(SDHOST_BASE) & SDHOST_INT_TC));
                 Res = RES_OK;
             }
         }
@@ -384,61 +372,62 @@ DRESULT sd_disk_read (BYTE* pBuffer, DWORD ulSectorNumber, UINT SectorCount) {
 //
 //*****************************************************************************
 DRESULT sd_disk_write (const BYTE* pBuffer, DWORD ulSectorNumber, UINT SectorCount) {
-  DRESULT Res = RES_ERROR;
-  unsigned long ulSize;
-
-  if (SectorCount > 0) {
-      // Return if disk not initialized
-      if (sd_disk_info.bStatus & STA_NOINIT) {
-          return RES_NOTRDY;
-      }
-
-      // SDSC uses linear address, SDHC uses block address
-      if (sd_disk_info.ulCapClass == CARD_CAP_CLASS_SDSC) {
-          ulSectorNumber = ulSectorNumber * SD_SECTOR_SIZE;
-      }
-
-      // Set the block count
-      MAP_SDHostBlockCountSet(SDHOST_BASE, SectorCount);
-
-      // Compute the number of words
-      ulSize = (SD_SECTOR_SIZE * SectorCount) / 4;
-
-      // Check if 1 block or multi block transfer
-      if (SectorCount == 1) {
-          // Send single block write command
-          if (CardSendCmd(CMD_WRITE_SINGLE_BLK, ulSectorNumber) == 0) {
-              // Write the data
-              while (ulSize--) {
-                  MAP_SDHostDataWrite (SDHOST_BASE, (*(unsigned long *)pBuffer));
-                  pBuffer += 4;
-              }
-              // Wait for data transfer complete
-              while (!(MAP_SDHostIntStatus(SDHOST_BASE) & SDHOST_INT_TC));
-              Res = RES_OK;
-          }
-      }
-      else {
-          // Set the card write block count
-          if (sd_disk_info.ucCardType == CARD_TYPE_SDCARD) {
-              CardSendCmd(CMD_APP_CMD,sd_disk_info.usRCA << 16);
-              CardSendCmd(CMD_SET_BLK_CNT, SectorCount);
-          }
-
-          // Send multi block write command
-          if (CardSendCmd(CMD_WRITE_MULTI_BLK, ulSectorNumber) == 0) {
-              // Write the data buffer
-              while (ulSize--) {
-                  MAP_SDHostDataWrite(SDHOST_BASE, (*(unsigned long *)pBuffer));
-                  pBuffer += 4;
-              }
-              // Wait for transfer complete
-              while (!(MAP_SDHostIntStatus(SDHOST_BASE) & SDHOST_INT_TC));
-              CardSendCmd(CMD_STOP_TRANS, 0);
-              Res = RES_OK;
-          }
-      }
-  }
-
-  return Res;
+    DRESULT Res = RES_ERROR;
+    unsigned long ulSize;
+
+    if (SectorCount > 0) {
+        // Return if disk not initialized
+        if (sd_disk_info.bStatus & STA_NOINIT) {
+            return RES_NOTRDY;
+        }
+
+        // SDSC uses linear address, SDHC uses block address
+        if (sd_disk_info.ulCapClass == CARD_CAP_CLASS_SDSC) {
+            ulSectorNumber = ulSectorNumber * SD_SECTOR_SIZE;
+        }
+
+        // Set the block count
+        MAP_SDHostBlockCountSet(SDHOST_BASE, SectorCount);
+
+        // Compute the number of words
+        ulSize = (SD_SECTOR_SIZE * SectorCount) / 4;
+
+        // Check if 1 block or multi block transfer
+        if (SectorCount == 1) {
+            // Send single block write command
+            if (CardSendCmd(CMD_WRITE_SINGLE_BLK, ulSectorNumber) == 0) {
+                // Write the data
+                while (ulSize--) {
+                    MAP_SDHostDataWrite (SDHOST_BASE, (*(unsigned long *)pBuffer));
+                    pBuffer += 4;
+                }
+                // Wait for data transfer complete
+                while (!(MAP_SDHostIntStatus(SDHOST_BASE) & SDHOST_INT_TC));
+                Res = RES_OK;
+            }
+        }
+        else {
+            // Set the card write block count
+            if (sd_disk_info.ucCardType == CARD_TYPE_SDCARD) {
+                CardSendCmd(CMD_APP_CMD,sd_disk_info.usRCA << 16);
+                CardSendCmd(CMD_SET_BLK_CNT, SectorCount);
+            }
+
+            // Send multi block write command
+            if (CardSendCmd(CMD_WRITE_MULTI_BLK, ulSectorNumber) == 0) {
+                // Write the data buffer
+                while (ulSize--) {
+                    MAP_SDHostDataWrite(SDHOST_BASE, (*(unsigned long *)pBuffer));
+                    pBuffer += 4;
+                }
+                // Wait for transfer complete
+                while (!(MAP_SDHostIntStatus(SDHOST_BASE) & SDHOST_INT_TC));
+                CardSendCmd(CMD_STOP_TRANS, 0);
+                while (!(MAP_SDHostIntStatus(SDHOST_BASE) & SDHOST_INT_TC));
+                Res = RES_OK;
+            }
+        }
+    }
+
+    return Res;
 }
diff --git a/cc3200/fatfs/src/drivers/sd_diskio.h b/cc3200/fatfs/src/drivers/sd_diskio.h
index f1cb2a0bfe..b5a1944ec4 100644
--- a/cc3200/fatfs/src/drivers/sd_diskio.h
+++ b/cc3200/fatfs/src/drivers/sd_diskio.h
@@ -21,7 +21,6 @@ extern DiskInfo_t sd_disk_info;
 
 DSTATUS sd_disk_init (void);
 void sd_disk_deinit (void);
-DSTATUS sd_disk_status (void);
 DRESULT sd_disk_read (BYTE* pBuffer, DWORD ulSectorNumber, UINT bSectorCount);
 DRESULT sd_disk_write (const BYTE* pBuffer, DWORD ulSectorNumber, UINT bSectorCount);
 
diff --git a/cc3200/fatfs/src/ffconf.c b/cc3200/fatfs/src/ffconf.c
index e3c425e332..5726db1bc5 100644
--- a/cc3200/fatfs/src/ffconf.c
+++ b/cc3200/fatfs/src/ffconf.c
@@ -26,11 +26,11 @@
 
 #include <string.h>
 
-#include "py/mpconfig.h"
-#include "py/misc.h"
+#include "py/mpstate.h"
 #include "ff.h"
 #include "ffconf.h"
 #include "diskio.h"
+#include "moduos.h"
 
 #if _FS_RPATH
 extern BYTE ff_CurrVol;
@@ -65,31 +65,29 @@ int ff_get_ldnumber (const TCHAR **path) {
     }
 
     if (check_path(path, "/flash", 6)) {
-        return 0;
+        return FLASH;
     }
-#if MICROPY_HW_HAS_SDCARD
-    else if (check_path(path, "/sd", 3)) {
-        return 1;
-    }
-#endif
     else {
-        return -1;
+        for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
+            os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
+            if (check_path(path, mount_obj->path, mount_obj->pathlen)) {
+                return mount_obj->vol;
+            }
+        }
     }
+
+    return -1;
 }
 
 void ff_get_volname(BYTE vol, TCHAR **dest) {
-#if MICROPY_HW_HAS_SDCARD
-    if (vol == 0)
-#endif
-    {
+    if (vol == FLASH) {
         memcpy(*dest, "/flash", 6);
         *dest += 6;
+    } else {
+        os_fs_mount_t *mount_obj;
+        if ((mount_obj = osmount_find_by_volume(vol))) {
+            memcpy(*dest, mount_obj->path, mount_obj->pathlen);
+            *dest += mount_obj->pathlen;
+        }
     }
-#if MICROPY_HW_HAS_SDCARD
-    else
-    {
-        memcpy(*dest, "/sd", 3);
-        *dest += 3;
-    }
-#endif
 }