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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-01 17:02:44 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-01 17:02:44 +0000 |
| commit | e5bbcad788b75bdf7fed603c89f722723ed26f2f (patch) | |
| tree | 43b5c87094919ef16785aaf67cd9736983def06f /os/hal/templates/sdc_lld.h | |
| parent | 9a9ccbcd988ded6d2b3f19184f63a0942e2f8e91 (diff) | |
| download | ChibiOS-e5bbcad788b75bdf7fed603c89f722723ed26f2f.tar.gz ChibiOS-e5bbcad788b75bdf7fed603c89f722723ed26f2f.tar.bz2 ChibiOS-e5bbcad788b75bdf7fed603c89f722723ed26f2f.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7449 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/templates/sdc_lld.h')
| -rw-r--r-- | os/hal/templates/sdc_lld.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/os/hal/templates/sdc_lld.h b/os/hal/templates/sdc_lld.h new file mode 100644 index 000000000..aa3c7effd --- /dev/null +++ b/os/hal/templates/sdc_lld.h @@ -0,0 +1,204 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 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 templates/sdc_lld.h
+ * @brief SDC Driver subsystem low level driver header template.
+ *
+ * @addtogroup SDC
+ * @{
+ */
+
+#ifndef _SDC_LLD_H_
+#define _SDC_LLD_H_
+
+#if HAL_USE_SDC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief SDC driver enable switch.
+ * @details If set to @p TRUE the support for SDC1 is included.
+ */
+#if !defined(PLATFORM_SDC_USE_SDC1) || defined(__DOXYGEN__)
+#define PLATFORM_SDC_USE_SDC1 TRUE
+#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 Type of card flags.
+ */
+typedef uint32_t sdcmode_t;
+
+/**
+ * @brief SDC Driver condition flags type.
+ */
+typedef uint32_t sdcflags_t;
+
+/**
+ * @brief Type of a structure representing an SDC driver.
+ */
+typedef struct SDCDriver SDCDriver;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ uint32_t dummy;
+} SDCConfig;
+
+/**
+ * @brief @p SDCDriver specific methods.
+ */
+#define _sdc_driver_methods \
+ _mmcsd_block_device_methods
+
+/**
+ * @extends MMCSDBlockDeviceVMT
+ *
+ * @brief @p SDCDriver virtual methods table.
+ */
+struct SDCDriverVMT {
+ _sdc_driver_methods
+};
+
+/**
+ * @brief Structure representing an SDC driver.
+ */
+struct SDCDriver {
+ /**
+ * @brief Virtual Methods Table.
+ */
+ const struct SDCDriverVMT *vmt;
+ _mmcsd_block_device_data
+ /**
+ * @brief Current configuration data.
+ */
+ const SDCConfig *config;
+ /**
+ * @brief Various flags regarding the mounted card.
+ */
+ sdcmode_t cardmode;
+ /**
+ * @brief Errors flags.
+ */
+ sdcflags_t errors;
+ /**
+ * @brief Card RCA.
+ */
+ uint32_t rca;
+ /* End of the mandatory fields.*/
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name R1 response utilities
+ * @{
+ */
+/**
+ * @brief Evaluates to @p TRUE if the R1 response contains error flags.
+ *
+ * @param[in] r1 the r1 response
+ */
+#define MMCSD_R1_ERROR(r1) (((r1) & MMCSD_R1_ERROR_MASK) != 0)
+
+/**
+ * @brief Returns the status field of an R1 response.
+ *
+ * @param[in] r1 the r1 response
+ */
+#define MMCSD_R1_STS(r1) (((r1) >> 9) & 15)
+
+/**
+ * @brief Evaluates to @p TRUE if the R1 response indicates a locked card.
+ *
+ * @param[in] r1 the r1 response
+ */
+#define MMCSD_R1_IS_CARD_LOCKED(r1) (((r1) >> 21) & 1)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if PLATFORM_SDC_USE_SDC1 && !defined(__DOXYGEN__)
+extern SDCDriver SDCD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void sdc_lld_init(void);
+ void sdc_lld_start(SDCDriver *sdcp);
+ void sdc_lld_stop(SDCDriver *sdcp);
+ void sdc_lld_start_clk(SDCDriver *sdcp);
+ void sdc_lld_set_data_clk(SDCDriver *sdcp);
+ void sdc_lld_stop_clk(SDCDriver *sdcp);
+ void sdc_lld_set_bus_mode(SDCDriver *sdcp, sdcbusmode_t mode);
+ void sdc_lld_send_cmd_none(SDCDriver *sdcp, uint8_t cmd, uint32_t arg);
+ bool_t sdc_lld_send_cmd_short(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
+ uint32_t *resp);
+ bool_t sdc_lld_send_cmd_short_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
+ uint32_t *resp);
+ bool_t sdc_lld_send_cmd_long_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
+ uint32_t *resp);
+ bool_t sdc_lld_read(SDCDriver *sdcp, uint32_t startblk,
+ uint8_t *buf, uint32_t n);
+ bool_t sdc_lld_write(SDCDriver *sdcp, uint32_t startblk,
+ const uint8_t *buf, uint32_t n);
+ bool_t sdc_lld_sync(SDCDriver *sdcp);
+ bool_t sdc_lld_is_card_inserted(SDCDriver *sdcp);
+ bool_t sdc_lld_is_write_protected(SDCDriver *sdcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_SDC */
+
+#endif /* _SDC_LLD_H_ */
+
+/** @} */
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