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30 #ifndef __FSL_DMAMUX_HAL_H__
31 #define __FSL_DMAMUX_HAL_H__
36 #include "fsl_dmamux_features.h"
37 #include "fsl_device_registers.h"
40 * @addtogroup dmamux_hal
44 /*******************************************************************************
46 ******************************************************************************/
48 * @brief A constant for the length of the DMA hardware source. This structure is used inside
51 typedef enum _dmamux_source {
52 kDmamuxDmaRequestSource = 64U /*!< Maximum number of the DMA requests allowed for the DMA mux. */
53 } dmamux_dma_request_source;
55 /*******************************************************************************
57 ******************************************************************************/
59 #if defined(__cplusplus)
64 * @name DMAMUX HAL function
69 * @brief Initializes the DMAMUX module to the reset state.
71 * Initializes the DMAMUX module to the reset state.
73 * @param baseAddr Register base address for DMAMUX module.
75 void DMAMUX_HAL_Init(uint32_t baseAddr);
78 * @brief Enables/Disables the DMAMUX channel.
80 * Enables the hardware request. If enabled, the hardware request is sent to
81 * the corresponding DMA channel.
83 * @param baseAddr Register base address for DMAMUX module.
84 * @param channel DMAMUX channel number.
85 * @param enable Enables (true) or Disables (false) DMAMUX channel.
87 static inline void DMAMUX_HAL_SetChannelCmd(uint32_t baseAddr, uint32_t channel, bool enable)
89 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
90 BW_DMAMUX_CHCFGn_ENBL(baseAddr, channel, enable);
95 * @brief Enables/Disables the period trigger.
97 * @param baseAddr Register base address for DMAMUX module.
98 * @param channel DMAMUX channel number.
99 * @param enable Enables (true) or Disables (false) period trigger.
101 static inline void DMAMUX_HAL_SetPeriodTriggerCmd(uint32_t baseAddr, uint32_t channel, bool enable)
103 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
104 BW_DMAMUX_CHCFGn_TRIG(baseAddr, channel, enable);
109 * @brief Configures the DMA request for the DMAMUX channel.
111 * Sets the trigger source for the DMA channel. The trigger source is in the file
114 * @param baseAddr Register base address for DMAMUX module.
115 * @param channel DMAMUX channel number.
116 * @param source DMA request source.
118 static inline void DMAMUX_HAL_SetTriggerSource(uint32_t baseAddr, uint32_t channel, uint8_t source)
120 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
121 BW_DMAMUX_CHCFGn_SOURCE(baseAddr, channel, source);
126 #if defined(__cplusplus)
132 #endif /* __FSL_DMAMUX_HAL_H__ */
133 /*******************************************************************************
135 ******************************************************************************/