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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-02-24 10:37:03 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-02-24 10:37:03 +0000
commit9a1b57db6d7da73e6a1ae070de1835caaf276341 (patch)
treeb44f8adfc66ddcb454a1c546125969538f689416 /os/hal/templates/sdc_lld.c
parente059dd7389acc7af3d1254a4e540c2689cb11c0e (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5312 35acf78f-673a-0410-8e92-d51de3d6d3f4
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diff --git a/os/hal/templates/sdc_lld.c b/os/hal/templates/sdc_lld.c
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+/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file templates/sdc_lld.c
+ * @brief SDC Driver subsystem low level driver source template.
+ *
+ * @addtogroup SDC
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_SDC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/** @brief SDCD1 driver identifier.*/
+#if PLATFORM_SDC_USE_SDC1 || defined(__DOXYGEN__)
+SDCDriver SDCD1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level SDC driver initialization.
+ *
+ * @notapi
+ */
+void sdc_lld_init(void) {
+
+ sdcObjectInit(&SDCD1);
+}
+
+/**
+ * @brief Configures and activates the SDC peripheral.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+void sdc_lld_start(SDCDriver *sdcp) {
+
+ if (sdcp->state == BLK_STOP) {
+
+ }
+}
+
+/**
+ * @brief Deactivates the SDC peripheral.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+void sdc_lld_stop(SDCDriver *sdcp) {
+
+ if (sdcp->state != BLK_STOP) {
+
+ }
+}
+
+/**
+ * @brief Starts the SDIO clock and sets it to init mode (400kHz or less).
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+void sdc_lld_start_clk(SDCDriver *sdcp) {
+
+ (void)sdcp;
+}
+
+/**
+ * @brief Sets the SDIO clock to data mode (25MHz or less).
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+void sdc_lld_set_data_clk(SDCDriver *sdcp) {
+
+ (void)sdcp;
+}
+
+/**
+ * @brief Stops the SDIO clock.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+void sdc_lld_stop_clk(SDCDriver *sdcp) {
+
+ (void)sdcp;
+}
+
+/**
+ * @brief Switches the bus to 4 bits mode.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ * @param[in] mode bus mode
+ *
+ * @notapi
+ */
+void sdc_lld_set_bus_mode(SDCDriver *sdcp, sdcbusmode_t mode) {
+ uint32_t clk = SDIO->CLKCR & ~SDIO_CLKCR_WIDBUS;
+
+ (void)sdcp;
+
+ switch (mode) {
+ case SDC_MODE_1BIT:
+
+ break;
+ case SDC_MODE_4BIT:
+
+ break;
+ case SDC_MODE_8BIT:
+
+ break;
+ }
+}
+
+/**
+ * @brief Sends an SDIO command with no response expected.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ * @param[in] cmd card command
+ * @param[in] arg command argument
+ *
+ * @notapi
+ */
+void sdc_lld_send_cmd_none(SDCDriver *sdcp, uint8_t cmd, uint32_t arg) {
+
+ (void)sdcp;
+}
+
+/**
+ * @brief Sends an SDIO command with a short response expected.
+ * @note The CRC is not verified.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ * @param[in] cmd card command
+ * @param[in] arg command argument
+ * @param[out] resp pointer to the response buffer (one word)
+ *
+ * @return The operation status.
+ * @retval CH_SUCCESS operation succeeded.
+ * @retval CH_FAILED operation failed.
+ *
+ * @notapi
+ */
+bool_t sdc_lld_send_cmd_short(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
+ uint32_t *resp) {
+
+ return CH_SUCCESS;
+}
+
+/**
+ * @brief Sends an SDIO command with a short response expected and CRC.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ * @param[in] cmd card command
+ * @param[in] arg command argument
+ * @param[out] resp pointer to the response buffer (one word)
+ *
+ * @return The operation status.
+ * @retval CH_SUCCESS operation succeeded.
+ * @retval CH_FAILED operation failed.
+ *
+ * @notapi
+ */
+bool_t sdc_lld_send_cmd_short_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
+ uint32_t *resp) {
+
+ (void)sdcp;
+
+ return CH_SUCCESS;
+}
+
+/**
+ * @brief Sends an SDIO command with a long response expected and CRC.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ * @param[in] cmd card command
+ * @param[in] arg command argument
+ * @param[out] resp pointer to the response buffer (four words)
+ *
+ * @return The operation status.
+ * @retval CH_SUCCESS operation succeeded.
+ * @retval CH_FAILED operation failed.
+ *
+ * @notapi
+ */
+bool_t sdc_lld_send_cmd_long_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
+ uint32_t *resp) {
+
+ (void)sdcp;
+
+ return CH_SUCCESS;
+}
+
+/**
+ * @brief Reads one or more blocks.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ * @param[in] startblk first block to read
+ * @param[out] buf pointer to the read buffer
+ * @param[in] n number of blocks to read
+ *
+ * @return The operation status.
+ * @retval CH_SUCCESS operation succeeded.
+ * @retval CH_FAILED operation failed.
+ *
+ * @notapi
+ */
+bool_t sdc_lld_read(SDCDriver *sdcp, uint32_t startblk,
+ uint8_t *buf, uint32_t n) {
+
+ return CH_SUCCESS;
+}
+
+/**
+ * @brief Writes one or more blocks.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ * @param[in] startblk first block to write
+ * @param[out] buf pointer to the write buffer
+ * @param[in] n number of blocks to write
+ *
+ * @return The operation status.
+ * @retval CH_SUCCESS operation succeeded.
+ * @retval CH_FAILED operation failed.
+ *
+ * @notapi
+ */
+bool_t sdc_lld_write(SDCDriver *sdcp, uint32_t startblk,
+ const uint8_t *buf, uint32_t n) {
+
+ return CH_SUCCESS;
+}
+
+/**
+ * @brief Waits for card idle condition.
+ *
+ * @param[in] sdcp pointer to the @p SDCDriver object
+ *
+ * @return The operation status.
+ * @retval CH_SUCCESS the operation succeeded.
+ * @retval CH_FAILED the operation failed.
+ *
+ * @api
+ */
+bool_t sdc_lld_sync(SDCDriver *sdcp) {
+
+ (void)sdcp;
+
+ return CH_SUCCESS;
+}
+
+#endif /* HAL_USE_SDC */
+
+/** @} */
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