daily_automated

trunk/Arduino/libraries/SdFat/src/SdCard/SdioCardEX.cpp

@@ -0,0 +1,108 @@
+/**
+ * Copyright (c) 2011-2018 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
+ *
+ * MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include "SdioCard.h"
+
+// limit of K66 due to errata KINETIS_K_0N65N.
+const uint32_t MAX_SDHC_COUNT = 0XFFFF;
+
+// Max RU is 1024 blocks.
+const uint32_t RU_MASK = 0X03FF;
+
+bool SdioCardEX::readBlock(uint32_t lba, uint8_t* dst) {
+  if (m_curState != READ_STATE || lba != m_curLba) {
+    if (!syncBlocks()) {
+      return false;
+    }
+    m_limitLba = (lba + MAX_SDHC_COUNT) & ~RU_MASK;
+    if (!SdioCard::readStart(lba, m_limitLba - lba)) {
+      return false;
+    }
+    m_curLba = lba;
+    m_curState = READ_STATE;
+  }
+  if (!SdioCard::readData(dst)) {
+    return false;
+  }
+  m_curLba++;
+  if (m_curLba >= m_limitLba) {
+    m_curState = IDLE_STATE;
+  }
+  return true;
+}
+//-----------------------------------------------------------------------------
+bool SdioCardEX::readBlocks(uint32_t lba, uint8_t* dst, size_t nb) {
+  for (size_t i = 0; i < nb; i++) {
+    if (!readBlock(lba + i, dst + i*512UL)) {
+      return false;
+    }
+  }
+  return true;
+}
+//-----------------------------------------------------------------------------
+bool SdioCardEX::syncBlocks() {
+  if (m_curState == READ_STATE) {
+    m_curState = IDLE_STATE;
+    if (!SdioCard::readStop()) {
+      return false;
+    }
+  } else if (m_curState == WRITE_STATE) {
+    m_curState = IDLE_STATE;
+    if (!SdioCard::writeStop()) {
+      return false;
+    }
+  }
+  return true;
+}
+//-----------------------------------------------------------------------------
+bool SdioCardEX::writeBlock(uint32_t lba, const uint8_t* src) {
+  if (m_curState != WRITE_STATE || m_curLba != lba) {
+    if (!syncBlocks()) {
+      return false;
+    }
+    m_limitLba = (lba + MAX_SDHC_COUNT) & ~RU_MASK;
+    if (!SdioCard::writeStart(lba , m_limitLba - lba)) {
+      return false;
+    }
+    m_curLba = lba;
+    m_curState = WRITE_STATE;
+  }
+  if (!SdioCard::writeData(src)) {
+    return false;
+  }
+  m_curLba++;
+  if (m_curLba >= m_limitLba) {
+    m_curState = IDLE_STATE;
+  }
+  return true;
+}
+//-----------------------------------------------------------------------------
+bool SdioCardEX::writeBlocks(uint32_t lba, const uint8_t* src, size_t nb) {
+  for (size_t i = 0; i < nb; i++) {
+    if (!writeBlock(lba + i, src + i*512UL)) {
+      return false;
+    }
+  }
+  return true;
+}