1 files changed, 209 insertions, 0 deletions

diff --git a/lib/chibios/os/hal/include/hal_sdc.h b/lib/chibios/os/hal/include/hal_sdc.h
new file mode 100644
index 000000000..52a5bf0f3
--- /dev/null
+++ b/lib/chibios/os/hal/include/hal_sdc.h
@@ -0,0 +1,209 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    hal_sdc.h
+ * @brief   SDC Driver macros and structures.
+ *
+ * @addtogroup SDC
+ * @{
+ */
+
+#ifndef HAL_SDC_H
+#define HAL_SDC_H
+
+#if (HAL_USE_SDC == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @name    SD card types
+ * @{
+ */
+#define SDC_MODE_CARDTYPE_MASK              0xFU
+#define SDC_MODE_CARDTYPE_SDV11             0U
+#define SDC_MODE_CARDTYPE_SDV20             1U
+#define SDC_MODE_CARDTYPE_MMC               2U
+#define SDC_MODE_HIGH_CAPACITY              0x10U
+/** @} */
+
+/**
+ * @name    SDC bus error conditions
+ * @{
+ */
+#define SDC_NO_ERROR                        0U
+#define SDC_CMD_CRC_ERROR                   1U
+#define SDC_DATA_CRC_ERROR                  2U
+#define SDC_DATA_TIMEOUT                    4U
+#define SDC_COMMAND_TIMEOUT                 8U
+#define SDC_TX_UNDERRUN                     16U
+#define SDC_RX_OVERRUN                      32U
+#define SDC_STARTBIT_ERROR                  64U
+#define SDC_OVERFLOW_ERROR                  128U
+#define SDC_UNHANDLED_ERROR                 0xFFFFFFFFU
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @name    SDC configuration options
+ * @{
+ */
+/**
+ * @brief   Number of initialization attempts before rejecting the card.
+ * @note    Attempts are performed at 10mS intervals.
+ */
+#if !defined(SDC_INIT_RETRY) || defined(__DOXYGEN__)
+#define SDC_INIT_RETRY                      100
+#endif
+
+/**
+ * @brief   Include support for MMC cards.
+ * @note    MMC support is not yet implemented so this option must be kept
+ *          at @p FALSE.
+ */
+#if !defined(SDC_MMC_SUPPORT) || defined(__DOXYGEN__)
+#define SDC_MMC_SUPPORT                     FALSE
+#endif
+
+/**
+ * @brief   Delays insertions.
+ * @details If enabled this options inserts delays into the MMC waiting
+ *          routines releasing some extra CPU time for the threads with
+ *          lower priority, this may slow down the driver a bit however.
+ */
+#if !defined(SDC_NICE_WAITING) || defined(__DOXYGEN__)
+#define SDC_NICE_WAITING                    TRUE
+#endif
+
+/**
+ * @brief   OCR initialization constant for V20 cards.
+ */
+#if !defined(SDC_INIT_OCR_V20) || defined(__DOXYGEN__)
+#define SDC_INIT_OCR_V20                    0x50FF8000U
+#endif
+
+/**
+ * @brief   OCR initialization constant for non-V20 cards.
+ */
+#if !defined(SDC_INIT_OCR) || defined(__DOXYGEN__)
+#define SDC_INIT_OCR                        0x80100000U
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Type of SDIO bus mode.
+ */
+typedef enum {
+  SDC_MODE_1BIT = 0,
+  SDC_MODE_4BIT,
+  SDC_MODE_8BIT
+} sdcbusmode_t;
+
+/**
+ * @brief   Max supported clock.
+ */
+typedef enum {
+  SDC_CLK_25MHz = 0,
+  SDC_CLK_50MHz
+} sdcbusclk_t;
+
+#include "hal_sdc_lld.h"
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/**
+ * @name    Macro Functions
+ * @{
+ */
+/**
+ * @brief   Returns the card insertion status.
+ * @note    This macro wraps a low level function named
+ *          @p sdc_lld_is_card_inserted(), this function must be
+ *          provided by the application because it is not part of the
+ *          SDC driver.
+ *
+ * @param[in] sdcp      pointer to the @p SDCDriver object
+ * @return              The card state.
+ * @retval false        card not inserted.
+ * @retval true         card inserted.
+ *
+ * @api
+ */
+#define sdcIsCardInserted(sdcp) (sdc_lld_is_card_inserted(sdcp))
+
+/**
+ * @brief   Returns the write protect status.
+ * @note    This macro wraps a low level function named
+ *          @p sdc_lld_is_write_protected(), this function must be
+ *          provided by the application because it is not part of the
+ *          SDC driver.
+ *
+ * @param[in] sdcp      pointer to the @p SDCDriver object
+ * @return              The card state.
+ * @retval false        not write protected.
+ * @retval true         write protected.
+ *
+ * @api
+ */
+#define sdcIsWriteProtected(sdcp) (sdc_lld_is_write_protected(sdcp))
+/** @} */
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void sdcInit(void);
+  void sdcObjectInit(SDCDriver *sdcp);
+  void sdcStart(SDCDriver *sdcp, const SDCConfig *config);
+  void sdcStop(SDCDriver *sdcp);
+  bool sdcConnect(SDCDriver *sdcp);
+  bool sdcDisconnect(SDCDriver *sdcp);
+  bool sdcRead(SDCDriver *sdcp, uint32_t startblk,
+               uint8_t *buf, uint32_t n);
+  bool sdcWrite(SDCDriver *sdcp, uint32_t startblk,
+                const uint8_t *buf, uint32_t n);
+  sdcflags_t sdcGetAndClearErrors(SDCDriver *sdcp);
+  bool sdcSync(SDCDriver *sdcp);
+  bool sdcGetInfo(SDCDriver *sdcp, BlockDeviceInfo *bdip);
+  bool sdcErase(SDCDriver *sdcp, uint32_t startblk, uint32_t endblk);
+  bool _sdc_wait_for_transfer_state(SDCDriver *sdcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_SDC == TRUE */
+
+#endif /* HAL_SDC_H */
+
+/** @} */