1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/include/fsl_dspi_freertos.h b/drivers/include/fsl_dspi_freertos.h
new file mode 100644
index 0000000..7e7179b
--- /dev/null
+++ b/drivers/include/fsl_dspi_freertos.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of the copyright holder nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __FSL_DSPI_FREERTOS_H__
+#define __FSL_DSPI_FREERTOS_H__
+
+#include "FreeRTOSConfig.h"
+#include "FreeRTOS.h"
+#include "portable.h"
+#include "semphr.h"
+
+#include "fsl_dspi.h"
+
+/*!
+ * @addtogroup dspi_freertos_driver
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*!
+* @cond RTOS_PRIVATE
+* @brief DSPI FreeRTOS handle
+*/
+typedef struct _dspi_rtos_handle
+{
+    SPI_Type *base;                  /*!< DSPI base address */
+    dspi_master_handle_t drv_handle; /*!< Handle of the underlying driver, treated as opaque by the RTOS layer */
+    status_t async_status;           /*!< Transactional state of the underlying driver */
+    SemaphoreHandle_t mutex;         /*!< Mutex to lock the handle during a transfer */
+    SemaphoreHandle_t event;         /*!< Semaphore to notify and unblock a task when a transfer ends */
+#if (configSUPPORT_STATIC_ALLOCATION == 1)
+    StaticSemaphore_t mutexBuffer;     /*!< Statically allocated memory for mutex */
+    StaticSemaphore_t semaphoreBuffer; /*!< Statically allocated memory for event */
+#endif
+} dspi_rtos_handle_t;
+/*! \endcond */
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @name DSPI RTOS Operation
+ * @{
+ */
+
+/*!
+ * @brief Initializes the DSPI.
+ *
+ * This function initializes the DSPI module and the related RTOS context.
+ *
+ * @param handle The RTOS DSPI handle, the pointer to an allocated space for RTOS context.
+ * @param base The pointer base address of the DSPI instance to initialize.
+ * @param masterConfig A configuration structure to set-up the DSPI in master mode.
+ * @param srcClock_Hz A frequency of the input clock of the DSPI module.
+ * @return status of the operation.
+ */
+status_t DSPI_RTOS_Init(dspi_rtos_handle_t *handle,
+                        SPI_Type *base,
+                        const dspi_master_config_t *masterConfig,
+                        uint32_t srcClock_Hz);
+
+/*!
+ * @brief Deinitializes the DSPI.
+ *
+ * This function deinitializes the DSPI module and the related RTOS context.
+ *
+ * @param handle The RTOS DSPI handle.
+ */
+status_t DSPI_RTOS_Deinit(dspi_rtos_handle_t *handle);
+
+/*!
+ * @brief Performs the SPI transfer.
+ *
+ * This function performs the SPI transfer according to the data given in the transfer structure.
+ *
+ * @param handle The RTOS DSPI handle.
+ * @param transfer A structure specifying the transfer parameters.
+ * @return status of the operation.
+ */
+status_t DSPI_RTOS_Transfer(dspi_rtos_handle_t *handle, dspi_transfer_t *transfer);
+
+/*!
+ * @}
+ */
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*!
+ * @}
+ */
+
+#endif /* __FSL_DSPI_FREERTOS_H__ */