diff options
Diffstat (limited to 'drivers/fsl_dmamux.h')
| -rw-r--r-- | drivers/fsl_dmamux.h | 65 |
1 files changed, 45 insertions, 20 deletions
diff --git a/drivers/fsl_dmamux.h b/drivers/fsl_dmamux.h index 5dce562..071348b 100644 --- a/drivers/fsl_dmamux.h +++ b/drivers/fsl_dmamux.h @@ -1,6 +1,6 @@ /* * Copyright (c) 2015, Freescale Semiconductor, Inc. - * All rights reserved. + * 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: @@ -12,7 +12,7 @@ * 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 + * 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. * @@ -45,8 +45,8 @@ /*! @name Driver version */ /*@{*/ -/*! @brief DMAMUX driver version 2.0.1. */ -#define FSL_DMAMUX_DRIVER_VERSION (MAKE_VERSION(2, 0, 1)) +/*! @brief DMAMUX driver version 2.0.2. */ +#define FSL_DMAMUX_DRIVER_VERSION (MAKE_VERSION(2, 0, 2)) /*@}*/ /******************************************************************************* @@ -58,14 +58,14 @@ extern "C" { #endif /* __cplusplus */ /*! - * @name DMAMUX Initialize and De-initialize + * @name DMAMUX Initialization and de-initialization * @{ */ /*! - * @brief Initializes DMAMUX peripheral. + * @brief Initializes the DMAMUX peripheral. * - * This function ungate the DMAMUX clock. + * This function ungates the DMAMUX clock. * * @param base DMAMUX peripheral base address. * @@ -73,9 +73,9 @@ extern "C" { void DMAMUX_Init(DMAMUX_Type *base); /*! - * @brief Deinitializes DMAMUX peripheral. + * @brief Deinitializes the DMAMUX peripheral. * - * This function gate the DMAMUX clock. + * This function gates the DMAMUX clock. * * @param base DMAMUX peripheral base address. */ @@ -88,9 +88,9 @@ void DMAMUX_Deinit(DMAMUX_Type *base); */ /*! - * @brief Enable DMAMUX channel. + * @brief Enables the DMAMUX channel. * - * This function enable DMAMUX channel to work. + * This function enables the DMAMUX channel. * * @param base DMAMUX peripheral base address. * @param channel DMAMUX channel number. @@ -103,11 +103,11 @@ static inline void DMAMUX_EnableChannel(DMAMUX_Type *base, uint32_t channel) } /*! - * @brief Disable DMAMUX channel. + * @brief Disables the DMAMUX channel. * - * This function disable DMAMUX channel. + * This function disables the DMAMUX channel. * - * @note User must disable DMAMUX channel before configuring it. + * @note The user must disable the DMAMUX channel before configuring it. * @param base DMAMUX peripheral base address. * @param channel DMAMUX channel number. */ @@ -119,11 +119,11 @@ static inline void DMAMUX_DisableChannel(DMAMUX_Type *base, uint32_t channel) } /*! - * @brief Configure DMAMUX channel source. + * @brief Configures the DMAMUX channel source. * * @param base DMAMUX peripheral base address. * @param channel DMAMUX channel number. - * @param source Channel source which is used to trigger DMA transfer. + * @param source Channel source, which is used to trigger the DMA transfer. */ static inline void DMAMUX_SetSource(DMAMUX_Type *base, uint32_t channel, uint32_t source) { @@ -134,9 +134,9 @@ static inline void DMAMUX_SetSource(DMAMUX_Type *base, uint32_t channel, uint32_ #if defined(FSL_FEATURE_DMAMUX_HAS_TRIG) && FSL_FEATURE_DMAMUX_HAS_TRIG > 0U /*! - * @brief Enable DMAMUX period trigger. + * @brief Enables the DMAMUX period trigger. * - * This function enable DMAMUX period trigger feature. + * This function enables the DMAMUX period trigger feature. * * @param base DMAMUX peripheral base address. * @param channel DMAMUX channel number. @@ -149,9 +149,9 @@ static inline void DMAMUX_EnablePeriodTrigger(DMAMUX_Type *base, uint32_t channe } /*! - * @brief Disable DMAMUX period trigger. + * @brief Disables the DMAMUX period trigger. * - * This function disable DMAMUX period trigger. + * This function disables the DMAMUX period trigger. * * @param base DMAMUX peripheral base address. * @param channel DMAMUX channel number. @@ -164,6 +164,31 @@ static inline void DMAMUX_DisablePeriodTrigger(DMAMUX_Type *base, uint32_t chann } #endif /* FSL_FEATURE_DMAMUX_HAS_TRIG */ +#if (defined(FSL_FEATURE_DMAMUX_HAS_A_ON) && FSL_FEATURE_DMAMUX_HAS_A_ON) +/*! + * @brief Enables the DMA channel to be always ON. + * + * This function enables the DMAMUX channel always ON feature. + * + * @param base DMAMUX peripheral base address. + * @param channel DMAMUX channel number. + * @param enable Switcher of the always ON feature. "true" means enabled, "false" means disabled. + */ +static inline void DMAMUX_EnableAlwaysOn(DMAMUX_Type *base, uint32_t channel, bool enable) +{ + assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL); + + if (enable) + { + base->CHCFG[channel] |= DMAMUX_CHCFG_A_ON_MASK; + } + else + { + base->CHCFG[channel] &= ~DMAMUX_CHCFG_A_ON_MASK; + } +} +#endif /* FSL_FEATURE_DMAMUX_HAS_A_ON */ + /* @} */ #if defined(__cplusplus) |