From e5bbcad788b75bdf7fed603c89f722723ed26f2f Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 1 Nov 2014 17:02:44 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7449 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/templates/sdc_lld.c | 322 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 322 insertions(+) create mode 100644 os/hal/templates/sdc_lld.c (limited to 'os/hal/templates/sdc_lld.c') diff --git a/os/hal/templates/sdc_lld.c b/os/hal/templates/sdc_lld.c new file mode 100644 index 000000000..c0d311b87 --- /dev/null +++ b/os/hal/templates/sdc_lld.c @@ -0,0 +1,322 @@ +/* + 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.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 and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* 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) { + + (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; + (void)cmd; + (void)arg; +} + +/** + * @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) { + + (void)sdcp; + (void)cmd; + (void)arg; + (void)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; + (void)cmd; + (void)arg; + (void)resp; + + 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; + (void)cmd; + (void)arg; + (void)resp; + + 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) { + + (void)sdcp; + (void)startblk; + (void)buf; + (void)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) { + + (void)sdcp; + (void)startblk; + (void)buf; + (void)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 */ + +/** @} */ -- cgit v1.2.3