WSPI changes for compatibiity. Initial implementation for STM32 over QuadSPI, not complete.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12313 110e8d01-0319-4d1e-a829-52ad28d1bb01

1 files changed, 208 insertions, 0 deletions

diff --git a/os/hal/ports/STM32/LLD/QUADSPIv1/hal_wspi_lld.c b/os/hal/ports/STM32/LLD/QUADSPIv1/hal_wspi_lld.c
new file mode 100644
index 000000000..233caa67a
--- /dev/null
+++ b/os/hal/ports/STM32/LLD/QUADSPIv1/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 */

+

+/** @} */