Diff: TARGET_K64F/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/dmamux/fsl_dmamux_hal.h

Revision:

82:6473597d706e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_K64F/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/dmamux/fsl_dmamux_hal.h	Mon Apr 07 18:28:36 2014 +0100
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * 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 Freescale Semiconductor, Inc. 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_DMAMUX_HAL_H__
+#define __FSL_DMAMUX_HAL_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <assert.h>
+#include "fsl_dmamux_features.h"
+#include "fsl_device_registers.h"
+
+/*!
+ * @addtogroup dmamux_hal
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+/*!
+ * @brief A constant for the length of the DMA hardware source. This structure is used inside
+ * the DMA driver.
+ */
+typedef enum _dmamux_source {
+    kDmamuxDmaRequestSource = 64U    /*!< Maximum number of the DMA requests allowed for the DMA mux. */
+} dmamux_dma_request_source;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @name DMAMUX HAL function
+ * @{
+ */
+
+/*!
+ * @brief Initializes the DMAMUX module to the reset state.
+ *
+ * Initializes the DMAMUX module to the reset state.
+ *
+ * @param module DMAMUX module index
+ */
+void dmamux_hal_init(uint8_t module);
+
+/*!
+ * @brief Enables the DMAMUX channel.
+ *
+ * Enables the hardware request. If enabled, the hardware request is  sent to
+ * the corresponding DMA channel.
+ *
+ * @param module DMAMUX module.
+ * @param channel DMAMUX channel.
+ */
+static inline void dmamux_hal_enable_channel(uint8_t module, uint8_t channel)
+{
+    assert(module < HW_DMAMUX_INSTANCE_COUNT);
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+    BW_DMAMUX_CHCFGn_ENBL(module, channel, 1U);
+}
+
+/*!
+ * @brief Disables the DMAMUX channel.
+ *
+ * Disable hardware request. If disabled, the hardware request  is not  sent to
+ * the corresponding DMA channel.
+ *
+ * @param module DMAMUX module.
+ * @param channel DMAMUX channel.
+ */
+static inline void dmamux_hal_disable_channel(uint8_t module, uint8_t channel)
+{
+    assert(module < HW_DMAMUX_INSTANCE_COUNT);
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+    BW_DMAMUX_CHCFGn_ENBL(module, channel, 0U);
+}
+
+/*!
+ * @brief Enables the period trigger.
+ *
+ * @param module DMAMUX module.
+ * @param channel DMAMUX channel.
+ */
+static inline void dmamux_hal_enable_period_trigger(uint8_t module, uint8_t channel)
+{
+    assert(module < HW_DMAMUX_INSTANCE_COUNT);
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+    BW_DMAMUX_CHCFGn_TRIG(module, channel, 1U);
+}
+
+/*!
+ * @brief Disables the period trigger.
+ *
+ * @param module DMAMUX module.
+ * @param channel DMAMUX channel.
+ */
+static inline void dmamux_hal_disable_period_trigger(uint8_t module, uint8_t channel)
+{
+    assert(module < HW_DMAMUX_INSTANCE_COUNT);
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+    BW_DMAMUX_CHCFGn_TRIG(module, channel, 0U);
+}
+
+/*!
+ * @brief Configures the DMA request for the DMAMUX channel.
+ *
+ * Sets the trigger source for the DMA channel. The trigger source is in the file
+ * fsl_dma_request.h.
+ *
+ * @param module DMAMUX module.
+ * @param channel DMAMUX channel.
+ * @param source DMA request source.
+ */
+static inline void dmamux_hal_set_trigger_source(uint8_t module, uint8_t channel, uint8_t source)
+{
+    assert(module < HW_DMAMUX_INSTANCE_COUNT);
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+    BW_DMAMUX_CHCFGn_SOURCE(module, channel, source);
+}
+
+/* @} */
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @} */
+
+#endif /* __FSL_DMAMUX_HAL_H__ */
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/
+