From 85d62cbdf68219a526aa4ee68c325adda8b8d67e Mon Sep 17 00:00:00 2001 From: Giovanni Di Sirio Date: Sun, 30 Sep 2018 17:01:52 +0000 Subject: Added WSPI-related code, updated halconf.h files. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12311 110e8d01-0319-4d1e-a829-52ad28d1bb01 --- os/hal/templates/hal_wspi_lld.c | 208 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 208 insertions(+) create mode 100644 os/hal/templates/hal_wspi_lld.c (limited to 'os/hal/templates/hal_wspi_lld.c') diff --git a/os/hal/templates/hal_wspi_lld.c b/os/hal/templates/hal_wspi_lld.c new file mode 100644 index 000000000..233caa67a --- /dev/null +++ b/os/hal/templates/hal_wspi_lld.c @@ -0,0 +1,208 @@ +/* + 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_wspi_lld.c + * @brief PLATFORM WSPI subsystem low level driver source. + * + * @addtogroup WSPI + * @{ + */ + +#include "hal.h" + +#if (HAL_USE_WSPI == TRUE) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** @brief WSPID1 driver identifier.*/ +#if (PLATFORM_WSPI_USE_WSPI1 == TRUE) || defined(__DOXYGEN__) +WSPIDriver WSPID1; +#endif + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level WSPI driver initialization. + * + * @notapi + */ +void wspi_lld_init(void) { + +#if PLATFORM_WSPI_USE_WSPI1 + wspiObjectInit(&WSPID1); +#endif +} + +/** + * @brief Configures and activates the WSPI peripheral. + * + * @param[in] wspip pointer to the @p WSPIDriver object + * + * @notapi + */ +void wspi_lld_start(WSPIDriver *wspip) { + + /* If in stopped state then full initialization.*/ + if (wspip->state == WSPI_STOP) { +#if PLATFORM_WSPI_USE_WSPI1 + if (&WSPID1 == wspip) { + } +#endif + + /* Common initializations.*/ + } + + /* WSPI setup and enable.*/ +} + +/** + * @brief Deactivates the WSPI peripheral. + * + * @param[in] wspip pointer to the @p WSPIDriver object + * + * @notapi + */ +void wspi_lld_stop(WSPIDriver *wspip) { + + /* If in ready state then disables WSPI.*/ + if (wspip->state == WSPI_READY) { + + /* WSPI disable.*/ + + /* Stopping involved clocks.*/ +#if PLATFORM_WSPI_USE_WSPI1 + if (&WSPID1 == wspip) { + } +#endif + } +} + +/** + * @brief Sends a command without data phase. + * @post At the end of the operation the configured callback is invoked. + * + * @param[in] wspip pointer to the @p WSPIDriver object + * @param[in] cmdp pointer to the command descriptor + * + * @notapi + */ +void wspi_lld_command(WSPIDriver *wspip, const wspi_command_t *cmdp) { + + (void)wspip; + (void)cmdp; +} + +/** + * @brief Sends a command with data over the WSPI bus. + * @post At the end of the operation the configured callback is invoked. + * + * @param[in] wspip pointer to the @p WSPIDriver object + * @param[in] cmdp pointer to the command descriptor + * @param[in] n number of bytes to send + * @param[in] txbuf the pointer to the transmit buffer + * + * @notapi + */ +void wspi_lld_send(WSPIDriver *wspip, const wspi_command_t *cmdp, + size_t n, const uint8_t *txbuf) { + + (void)wspip; + (void)cmdp; + (void)n; + (void)txbuf; +} + +/** + * @brief Sends a command then receives data over the WSPI bus. + * @post At the end of the operation the configured callback is invoked. + * + * @param[in] wspip pointer to the @p WSPIDriver object + * @param[in] cmdp pointer to the command descriptor + * @param[in] n number of bytes to send + * @param[out] rxbuf the pointer to the receive buffer + * + * @notapi + */ +void wspi_lld_receive(WSPIDriver *wspip, const wspi_command_t *cmdp, + size_t n, uint8_t *rxbuf) { + + (void)wspip; + (void)cmdp; + (void)n; + (void)rxbuf; +} + +#if (WSPI_SUPPORTS_MEMMAP == TRUE) || defined(__DOXYGEN__) +/** + * @brief Maps in memory space a WSPI flash device. + * @pre The memory flash device must be initialized appropriately + * before mapping it in memory space. + * + * @param[in] wspip pointer to the @p WSPIDriver object + * @param[in] cmdp pointer to the command descriptor + * @param[out] addrp pointer to the memory start address of the mapped + * flash or @p NULL + * + * @notapi + */ +void wspi_lld_map_flash(WSPIDriver *wspip, + const wspi_command_t *cmdp, + uint8_t **addrp) { + + (void)wspip; + (void)cmdp; + (void)addrp; +} + +/** + * @brief Unmaps from memory space a WSPI flash device. + * @post The memory flash device must be re-initialized for normal + * commands exchange. + * + * @param[in] wspip pointer to the @p WSPIDriver object + * + * @notapi + */ +void wspi_lld_unmap_flash(WSPIDriver *wspip) { + + (void)wspip; +} +#endif /* WSPI_SUPPORTS_MEMMAP == TRUE */ + +#endif /* HAL_USE_WSPI */ + +/** @} */ -- cgit v1.2.3