zephyr/ext/hal/nxp/mcux/drivers/fsl_cmt.h
Maureen Helm aa9c14667b ext: mcux: Update to mcux 2.2 for k64
Updates the mcux drivers and device header files for the k64 from mcux
2.1 to mcux 2.2. Updates the k6x soc init and ethernet shim driver to
reflect mcux interface changes.

Origin: NXP MCUXpresso SDK 2.2
URL: mcux.nxp.com
Maintained-by: External

Change-Id: Icb578dddbe84c190e990b756193bef621010a898
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
2017-03-27 09:05:58 -05:00

401 lines
16 KiB
C

/*
* 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_CMT_H_
#define _FSL_CMT_H_
#include "fsl_common.h"
/*!
* @addtogroup cmt
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @name Driver version */
/*@{*/
/*! @brief CMT driver version 2.0.1. */
#define FSL_CMT_DRIVER_VERSION (MAKE_VERSION(2, 0, 1))
/*@}*/
/*!
* @brief The modes of CMT.
*/
typedef enum _cmt_mode
{
kCMT_DirectIROCtl = 0x00U, /*!< Carrier modulator is disabled and the IRO signal is directly in software control */
kCMT_TimeMode = 0x01U, /*!< Carrier modulator is enabled in time mode. */
kCMT_FSKMode = 0x05U, /*!< Carrier modulator is enabled in FSK mode. */
kCMT_BasebandMode = 0x09U /*!< Carrier modulator is enabled in baseband mode. */
} cmt_mode_t;
/*!
* @brief The CMT clock divide primary prescaler.
* The primary clock divider is used to divider the bus clock to
* get the intermediate frequency to approximately equal to 8 MHZ.
* When the bus clock is 8 MHZ, set primary prescaler to "kCMT_PrimaryClkDiv1".
*/
typedef enum _cmt_primary_clkdiv
{
kCMT_PrimaryClkDiv1 = 0U, /*!< The intermediate frequency is the bus clock divided by 1. */
kCMT_PrimaryClkDiv2 = 1U, /*!< The intermediate frequency is the bus clock divided by 2. */
kCMT_PrimaryClkDiv3 = 2U, /*!< The intermediate frequency is the bus clock divided by 3. */
kCMT_PrimaryClkDiv4 = 3U, /*!< The intermediate frequency is the bus clock divided by 4. */
kCMT_PrimaryClkDiv5 = 4U, /*!< The intermediate frequency is the bus clock divided by 5. */
kCMT_PrimaryClkDiv6 = 5U, /*!< The intermediate frequency is the bus clock divided by 6. */
kCMT_PrimaryClkDiv7 = 6U, /*!< The intermediate frequency is the bus clock divided by 7. */
kCMT_PrimaryClkDiv8 = 7U, /*!< The intermediate frequency is the bus clock divided by 8. */
kCMT_PrimaryClkDiv9 = 8U, /*!< The intermediate frequency is the bus clock divided by 9. */
kCMT_PrimaryClkDiv10 = 9U, /*!< The intermediate frequency is the bus clock divided by 10. */
kCMT_PrimaryClkDiv11 = 10U, /*!< The intermediate frequency is the bus clock divided by 11. */
kCMT_PrimaryClkDiv12 = 11U, /*!< The intermediate frequency is the bus clock divided by 12. */
kCMT_PrimaryClkDiv13 = 12U, /*!< The intermediate frequency is the bus clock divided by 13. */
kCMT_PrimaryClkDiv14 = 13U, /*!< The intermediate frequency is the bus clock divided by 14. */
kCMT_PrimaryClkDiv15 = 14U, /*!< The intermediate frequency is the bus clock divided by 15. */
kCMT_PrimaryClkDiv16 = 15U /*!< The intermediate frequency is the bus clock divided by 16. */
} cmt_primary_clkdiv_t;
/*!
* @brief The CMT clock divide secondary prescaler.
* The second prescaler can be used to divide the 8 MHZ CMT clock
* by 1, 2, 4, or 8 according to the specification.
*/
typedef enum _cmt_second_clkdiv
{
kCMT_SecondClkDiv1 = 0U, /*!< The CMT clock is the intermediate frequency frequency divided by 1. */
kCMT_SecondClkDiv2 = 1U, /*!< The CMT clock is the intermediate frequency frequency divided by 2. */
kCMT_SecondClkDiv4 = 2U, /*!< The CMT clock is the intermediate frequency frequency divided by 4. */
kCMT_SecondClkDiv8 = 3U /*!< The CMT clock is the intermediate frequency frequency divided by 8. */
} cmt_second_clkdiv_t;
/*!
* @brief The CMT infrared output polarity.
*/
typedef enum _cmt_infrared_output_polarity
{
kCMT_IROActiveLow = 0U, /*!< The CMT infrared output signal polarity is active-low. */
kCMT_IROActiveHigh = 1U /*!< The CMT infrared output signal polarity is active-high. */
} cmt_infrared_output_polarity_t;
/*!
* @brief The CMT infrared output signal state control.
*/
typedef enum _cmt_infrared_output_state
{
kCMT_IROCtlLow = 0U, /*!< The CMT Infrared output signal state is controlled to low. */
kCMT_IROCtlHigh = 1U /*!< The CMT Infrared output signal state is controlled to high. */
} cmt_infrared_output_state_t;
/*!
* @brief CMT interrupt configuration structure, default settings all disabled.
*
* This structure contains the settings for all of the CMT interrupt configurations.
*/
enum _cmt_interrupt_enable
{
kCMT_EndOfCycleInterruptEnable = CMT_MSC_EOCIE_MASK, /*!< CMT end of cycle interrupt. */
};
/*!
* @brief CMT carrier generator and modulator configuration structure
*
*/
typedef struct _cmt_modulate_config
{
uint8_t highCount1; /*!< The high-time for carrier generator first register. */
uint8_t lowCount1; /*!< The low-time for carrier generator first register. */
uint8_t highCount2; /*!< The high-time for carrier generator second register for FSK mode. */
uint8_t lowCount2; /*!< The low-time for carrier generator second register for FSK mode. */
uint16_t markCount; /*!< The mark time for the modulator gate. */
uint16_t spaceCount; /*!< The space time for the modulator gate. */
} cmt_modulate_config_t;
/*! @brief CMT basic configuration structure. */
typedef struct _cmt_config
{
bool isInterruptEnabled; /*!< Timer interrupt 0-disable, 1-enable. */
bool isIroEnabled; /*!< The IRO output 0-disabled, 1-enabled. */
cmt_infrared_output_polarity_t iroPolarity; /*!< The IRO polarity. */
cmt_second_clkdiv_t divider; /*!< The CMT clock divide prescaler. */
} cmt_config_t;
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif
/*!
* @name Initialization and deinitialization
* @{
*/
/*!
* @brief Gets the CMT default configuration structure. This API
* gets the default configuration structure for the CMT_Init().
* Use the initialized structure unchanged in CMT_Init() or modify
* fields of the structure before calling the CMT_Init().
*
* @param config The CMT configuration structure pointer.
*/
void CMT_GetDefaultConfig(cmt_config_t *config);
/*!
* @brief Initializes the CMT module.
*
* This function ungates the module clock and sets the CMT internal clock,
* interrupt, and infrared output signal for the CMT module.
*
* @param base CMT peripheral base address.
* @param config The CMT basic configuration structure.
* @param busClock_Hz The CMT module input clock - bus clock frequency.
*/
void CMT_Init(CMT_Type *base, const cmt_config_t *config, uint32_t busClock_Hz);
/*!
* @brief Disables the CMT module and gate control.
*
* This function disables CMT modulator, interrupts, and gates the
* CMT clock control. CMT_Init must be called to use the CMT again.
*
* @param base CMT peripheral base address.
*/
void CMT_Deinit(CMT_Type *base);
/*! @}*/
/*!
* @name Basic Control Operations
* @{
*/
/*!
* @brief Selects the mode for CMT.
*
* @param base CMT peripheral base address.
* @param mode The CMT feature mode enumeration. See "cmt_mode_t".
* @param modulateConfig The carrier generation and modulator configuration.
*/
void CMT_SetMode(CMT_Type *base, cmt_mode_t mode, cmt_modulate_config_t *modulateConfig);
/*!
* @brief Gets the mode of the CMT module.
*
* @param base CMT peripheral base address.
* @return The CMT mode.
* kCMT_DirectIROCtl Carrier modulator is disabled; the IRO signal is directly in software control.
* kCMT_TimeMode Carrier modulator is enabled in time mode.
* kCMT_FSKMode Carrier modulator is enabled in FSK mode.
* kCMT_BasebandMode Carrier modulator is enabled in baseband mode.
*/
cmt_mode_t CMT_GetMode(CMT_Type *base);
/*!
* @brief Gets the actual CMT clock frequency.
*
* @param base CMT peripheral base address.
* @param busClock_Hz CMT module input clock - bus clock frequency.
* @return The CMT clock frequency.
*/
uint32_t CMT_GetCMTFrequency(CMT_Type *base, uint32_t busClock_Hz);
/*!
* @brief Sets the primary data set for the CMT carrier generator counter.
*
* This function sets the high-time and low-time of the primary data set for the
* CMT carrier generator counter to control the period and the duty cycle of the
* output carrier signal.
* If the CMT clock period is Tcmt, the period of the carrier generator signal equals
* (highCount + lowCount) * Tcmt. The duty cycle equals to highCount / (highCount + lowCount).
*
* @param base CMT peripheral base address.
* @param highCount The number of CMT clocks for carrier generator signal high time,
* integer in the range of 1 ~ 0xFF.
* @param lowCount The number of CMT clocks for carrier generator signal low time,
* integer in the range of 1 ~ 0xFF.
*/
static inline void CMT_SetCarrirGenerateCountOne(CMT_Type *base, uint32_t highCount, uint32_t lowCount)
{
assert(highCount <= CMT_CGH1_PH_MASK);
assert(highCount);
assert(lowCount <= CMT_CGL1_PL_MASK);
assert(lowCount);
base->CGH1 = highCount;
base->CGL1 = lowCount;
}
/*!
* @brief Sets the secondary data set for the CMT carrier generator counter.
*
* This function is used for FSK mode setting the high-time and low-time of the secondary
* data set CMT carrier generator counter to control the period and the duty cycle
* of the output carrier signal.
* If the CMT clock period is Tcmt, the period of the carrier generator signal equals
* (highCount + lowCount) * Tcmt. The duty cycle equals highCount / (highCount + lowCount).
*
* @param base CMT peripheral base address.
* @param highCount The number of CMT clocks for carrier generator signal high time,
* integer in the range of 1 ~ 0xFF.
* @param lowCount The number of CMT clocks for carrier generator signal low time,
* integer in the range of 1 ~ 0xFF.
*/
static inline void CMT_SetCarrirGenerateCountTwo(CMT_Type *base, uint32_t highCount, uint32_t lowCount)
{
assert(highCount <= CMT_CGH2_SH_MASK);
assert(highCount);
assert(lowCount <= CMT_CGL2_SL_MASK);
assert(lowCount);
base->CGH2 = highCount;
base->CGL2 = lowCount;
}
/*!
* @brief Sets the modulation mark and space time period for the CMT modulator.
*
* This function sets the mark time period of the CMT modulator counter
* to control the mark time of the output modulated signal from the carrier generator output signal.
* If the CMT clock frequency is Fcmt and the carrier out signal frequency is fcg:
* - In Time and Baseband mode: The mark period of the generated signal equals (markCount + 1) / (Fcmt/8).
* The space period of the generated signal equals spaceCount / (Fcmt/8).
* - In FSK mode: The mark period of the generated signal equals (markCount + 1)/fcg.
* The space period of the generated signal equals spaceCount / fcg.
*
* @param base Base address for current CMT instance.
* @param markCount The number of clock period for CMT modulator signal mark period,
* in the range of 0 ~ 0xFFFF.
* @param spaceCount The number of clock period for CMT modulator signal space period,
* in the range of the 0 ~ 0xFFFF.
*/
void CMT_SetModulateMarkSpace(CMT_Type *base, uint32_t markCount, uint32_t spaceCount);
/*!
* @brief Enables or disables the extended space operation.
*
* This function is used to make the space period longer
* for time, baseband, and FSK modes.
*
* @param base CMT peripheral base address.
* @param enable True enable the extended space, false disable the extended space.
*/
static inline void CMT_EnableExtendedSpace(CMT_Type *base, bool enable)
{
if (enable)
{
base->MSC |= CMT_MSC_EXSPC_MASK;
}
else
{
base->MSC &= ~CMT_MSC_EXSPC_MASK;
}
}
/*!
* @brief Sets the IRO (infrared output) signal state.
*
* Changes the states of the IRO signal when the kCMT_DirectIROMode mode is set
* and the IRO signal is enabled.
*
* @param base CMT peripheral base address.
* @param state The control of the IRO signal. See "cmt_infrared_output_state_t"
*/
void CMT_SetIroState(CMT_Type *base, cmt_infrared_output_state_t state);
/*!
* @brief Enables the CMT interrupt.
*
* This function enables the CMT interrupts according to the provided mask if enabled.
* The CMT only has the end of the cycle interrupt - an interrupt occurs at the end
* of the modulator cycle. This interrupt provides a means for the user
* to reload the new mark/space values into the CMT modulator data registers
* and verify the modulator mark and space.
* For example, to enable the end of cycle, do the following.
* @code
* CMT_EnableInterrupts(CMT, kCMT_EndOfCycleInterruptEnable);
* @endcode
* @param base CMT peripheral base address.
* @param mask The interrupts to enable. Logical OR of @ref _cmt_interrupt_enable.
*/
static inline void CMT_EnableInterrupts(CMT_Type *base, uint32_t mask)
{
base->MSC |= mask;
}
/*!
* @brief Disables the CMT interrupt.
*
* This function disables the CMT interrupts according to the provided maskIf enabled.
* The CMT only has the end of the cycle interrupt.
* For example, to disable the end of cycle, do the following.
* @code
* CMT_DisableInterrupts(CMT, kCMT_EndOfCycleInterruptEnable);
* @endcode
*
* @param base CMT peripheral base address.
* @param mask The interrupts to enable. Logical OR of @ref _cmt_interrupt_enable.
*/
static inline void CMT_DisableInterrupts(CMT_Type *base, uint32_t mask)
{
base->MSC &= ~mask;
}
/*!
* @brief Gets the end of the cycle status flag.
*
* The flag is set:
* - When the modulator is not currently active and carrier and modulator
* are set to start the initial CMT transmission.
* - At the end of each modulation cycle when the counter is reloaded and
* the carrier and modulator are enabled.
* @param base CMT peripheral base address.
* @return Current status of the end of cycle status flag
* @arg non-zero: End-of-cycle has occurred.
* @arg zero: End-of-cycle has not yet occurred since the flag last cleared.
*/
static inline uint32_t CMT_GetStatusFlags(CMT_Type *base)
{
return base->MSC & CMT_MSC_EOCF_MASK;
}
/*! @}*/
#if defined(__cplusplus)
}
#endif
/*! @}*/
#endif /* _FSL_CMT_H_*/