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TARGET_KW41Z/TOOLCHAIN_GCC_ARM/fsl_cmt.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
mbed library. Release version 164

Who changed what in which revision?

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AnnaBridge 171:3a7713b1edbc 1 /*
AnnaBridge 171:3a7713b1edbc 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
AnnaBridge 171:3a7713b1edbc 3 * All rights reserved.
AnnaBridge 171:3a7713b1edbc 4 *
AnnaBridge 171:3a7713b1edbc 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 171:3a7713b1edbc 6 * are permitted provided that the following conditions are met:
AnnaBridge 171:3a7713b1edbc 7 *
AnnaBridge 171:3a7713b1edbc 8 * o Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 171:3a7713b1edbc 9 * of conditions and the following disclaimer.
AnnaBridge 171:3a7713b1edbc 10 *
AnnaBridge 171:3a7713b1edbc 11 * o Redistributions in binary form must reproduce the above copyright notice, this
AnnaBridge 171:3a7713b1edbc 12 * list of conditions and the following disclaimer in the documentation and/or
AnnaBridge 171:3a7713b1edbc 13 * other materials provided with the distribution.
AnnaBridge 171:3a7713b1edbc 14 *
AnnaBridge 171:3a7713b1edbc 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
AnnaBridge 171:3a7713b1edbc 16 * contributors may be used to endorse or promote products derived from this
AnnaBridge 171:3a7713b1edbc 17 * software without specific prior written permission.
AnnaBridge 171:3a7713b1edbc 18 *
AnnaBridge 171:3a7713b1edbc 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 171:3a7713b1edbc 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 171:3a7713b1edbc 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 171:3a7713b1edbc 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 171:3a7713b1edbc 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 171:3a7713b1edbc 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 171:3a7713b1edbc 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 171:3a7713b1edbc 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 171:3a7713b1edbc 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 171:3a7713b1edbc 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 171:3a7713b1edbc 29 */
AnnaBridge 171:3a7713b1edbc 30 #ifndef _FSL_CMT_H_
AnnaBridge 171:3a7713b1edbc 31 #define _FSL_CMT_H_
AnnaBridge 171:3a7713b1edbc 32
AnnaBridge 171:3a7713b1edbc 33 #include "fsl_common.h"
AnnaBridge 171:3a7713b1edbc 34
AnnaBridge 171:3a7713b1edbc 35 /*!
AnnaBridge 171:3a7713b1edbc 36 * @addtogroup cmt
AnnaBridge 171:3a7713b1edbc 37 * @{
AnnaBridge 171:3a7713b1edbc 38 */
AnnaBridge 171:3a7713b1edbc 39
AnnaBridge 171:3a7713b1edbc 40 /*! @file */
AnnaBridge 171:3a7713b1edbc 41
AnnaBridge 171:3a7713b1edbc 42 /*******************************************************************************
AnnaBridge 171:3a7713b1edbc 43 * Definitions
AnnaBridge 171:3a7713b1edbc 44 ******************************************************************************/
AnnaBridge 171:3a7713b1edbc 45
AnnaBridge 171:3a7713b1edbc 46 /*! @name Driver version */
AnnaBridge 171:3a7713b1edbc 47 /*@{*/
AnnaBridge 171:3a7713b1edbc 48 /*! @brief CMT driver version 2.0.0. */
AnnaBridge 171:3a7713b1edbc 49 #define FSL_CMT_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
AnnaBridge 171:3a7713b1edbc 50 /*@}*/
AnnaBridge 171:3a7713b1edbc 51
AnnaBridge 171:3a7713b1edbc 52 /*!
AnnaBridge 171:3a7713b1edbc 53 * @brief The modes of CMT.
AnnaBridge 171:3a7713b1edbc 54 */
AnnaBridge 171:3a7713b1edbc 55 typedef enum _cmt_mode
AnnaBridge 171:3a7713b1edbc 56 {
AnnaBridge 171:3a7713b1edbc 57 kCMT_DirectIROCtl = 0x00U, /*!< Carrier modulator is disabled and the IRO signal is directly in software control */
AnnaBridge 171:3a7713b1edbc 58 kCMT_TimeMode = 0x01U, /*!< Carrier modulator is enabled in time mode. */
AnnaBridge 171:3a7713b1edbc 59 kCMT_FSKMode = 0x05U, /*!< Carrier modulator is enabled in FSK mode. */
AnnaBridge 171:3a7713b1edbc 60 kCMT_BasebandMode = 0x09U /*!< Carrier modulator is enabled in baseband mode. */
AnnaBridge 171:3a7713b1edbc 61 } cmt_mode_t;
AnnaBridge 171:3a7713b1edbc 62
AnnaBridge 171:3a7713b1edbc 63 /*!
AnnaBridge 171:3a7713b1edbc 64 * @brief The CMT clock divide primary prescaler.
AnnaBridge 171:3a7713b1edbc 65 * The primary clock divider is used to divider the bus clock to
AnnaBridge 171:3a7713b1edbc 66 * get the intermediate frequency to approximately equal to 8 MHZ.
AnnaBridge 171:3a7713b1edbc 67 * When the bus clock is 8 MHZ, set primary prescaler to "kCMT_PrimaryClkDiv1".
AnnaBridge 171:3a7713b1edbc 68 */
AnnaBridge 171:3a7713b1edbc 69 typedef enum _cmt_primary_clkdiv
AnnaBridge 171:3a7713b1edbc 70 {
AnnaBridge 171:3a7713b1edbc 71 kCMT_PrimaryClkDiv1 = 0U, /*!< The intermediate frequency is the bus clock divided by 1. */
AnnaBridge 171:3a7713b1edbc 72 kCMT_PrimaryClkDiv2 = 1U, /*!< The intermediate frequency is the bus clock divided by 2. */
AnnaBridge 171:3a7713b1edbc 73 kCMT_PrimaryClkDiv3 = 2U, /*!< The intermediate frequency is the bus clock divided by 3. */
AnnaBridge 171:3a7713b1edbc 74 kCMT_PrimaryClkDiv4 = 3U, /*!< The intermediate frequency is the bus clock divided by 4. */
AnnaBridge 171:3a7713b1edbc 75 kCMT_PrimaryClkDiv5 = 4U, /*!< The intermediate frequency is the bus clock divided by 5. */
AnnaBridge 171:3a7713b1edbc 76 kCMT_PrimaryClkDiv6 = 5U, /*!< The intermediate frequency is the bus clock divided by 6. */
AnnaBridge 171:3a7713b1edbc 77 kCMT_PrimaryClkDiv7 = 6U, /*!< The intermediate frequency is the bus clock divided by 7. */
AnnaBridge 171:3a7713b1edbc 78 kCMT_PrimaryClkDiv8 = 7U, /*!< The intermediate frequency is the bus clock divided by 8. */
AnnaBridge 171:3a7713b1edbc 79 kCMT_PrimaryClkDiv9 = 8U, /*!< The intermediate frequency is the bus clock divided by 9. */
AnnaBridge 171:3a7713b1edbc 80 kCMT_PrimaryClkDiv10 = 9U, /*!< The intermediate frequency is the bus clock divided by 10. */
AnnaBridge 171:3a7713b1edbc 81 kCMT_PrimaryClkDiv11 = 10U, /*!< The intermediate frequency is the bus clock divided by 11. */
AnnaBridge 171:3a7713b1edbc 82 kCMT_PrimaryClkDiv12 = 11U, /*!< The intermediate frequency is the bus clock divided by 12. */
AnnaBridge 171:3a7713b1edbc 83 kCMT_PrimaryClkDiv13 = 12U, /*!< The intermediate frequency is the bus clock divided by 13. */
AnnaBridge 171:3a7713b1edbc 84 kCMT_PrimaryClkDiv14 = 13U, /*!< The intermediate frequency is the bus clock divided by 14. */
AnnaBridge 171:3a7713b1edbc 85 kCMT_PrimaryClkDiv15 = 14U, /*!< The intermediate frequency is the bus clock divided by 15. */
AnnaBridge 171:3a7713b1edbc 86 kCMT_PrimaryClkDiv16 = 15U /*!< The intermediate frequency is the bus clock divided by 16. */
AnnaBridge 171:3a7713b1edbc 87 } cmt_primary_clkdiv_t;
AnnaBridge 171:3a7713b1edbc 88
AnnaBridge 171:3a7713b1edbc 89 /*!
AnnaBridge 171:3a7713b1edbc 90 * @brief The CMT clock divide secondary prescaler.
AnnaBridge 171:3a7713b1edbc 91 * The second prescaler can be used to divide the 8 MHZ CMT clock
AnnaBridge 171:3a7713b1edbc 92 * by 1, 2, 4, or 8 according to the specification.
AnnaBridge 171:3a7713b1edbc 93 */
AnnaBridge 171:3a7713b1edbc 94 typedef enum _cmt_second_clkdiv
AnnaBridge 171:3a7713b1edbc 95 {
AnnaBridge 171:3a7713b1edbc 96 kCMT_SecondClkDiv1 = 0U, /*!< The CMT clock is the intermediate frequency frequency divided by 1. */
AnnaBridge 171:3a7713b1edbc 97 kCMT_SecondClkDiv2 = 1U, /*!< The CMT clock is the intermediate frequency frequency divided by 2. */
AnnaBridge 171:3a7713b1edbc 98 kCMT_SecondClkDiv4 = 2U, /*!< The CMT clock is the intermediate frequency frequency divided by 4. */
AnnaBridge 171:3a7713b1edbc 99 kCMT_SecondClkDiv8 = 3U /*!< The CMT clock is the intermediate frequency frequency divided by 8. */
AnnaBridge 171:3a7713b1edbc 100 } cmt_second_clkdiv_t;
AnnaBridge 171:3a7713b1edbc 101
AnnaBridge 171:3a7713b1edbc 102 /*!
AnnaBridge 171:3a7713b1edbc 103 * @brief The CMT infrared output polarity.
AnnaBridge 171:3a7713b1edbc 104 */
AnnaBridge 171:3a7713b1edbc 105 typedef enum _cmt_infrared_output_polarity
AnnaBridge 171:3a7713b1edbc 106 {
AnnaBridge 171:3a7713b1edbc 107 kCMT_IROActiveLow = 0U, /*!< The CMT infrared output signal polarity is active-low. */
AnnaBridge 171:3a7713b1edbc 108 kCMT_IROActiveHigh = 1U /*!< The CMT infrared output signal polarity is active-high. */
AnnaBridge 171:3a7713b1edbc 109 } cmt_infrared_output_polarity_t;
AnnaBridge 171:3a7713b1edbc 110
AnnaBridge 171:3a7713b1edbc 111 /*!
AnnaBridge 171:3a7713b1edbc 112 * @brief The CMT infrared output signal state control.
AnnaBridge 171:3a7713b1edbc 113 */
AnnaBridge 171:3a7713b1edbc 114 typedef enum _cmt_infrared_output_state
AnnaBridge 171:3a7713b1edbc 115 {
AnnaBridge 171:3a7713b1edbc 116 kCMT_IROCtlLow = 0U, /*!< The CMT Infrared output signal state is controlled to low. */
AnnaBridge 171:3a7713b1edbc 117 kCMT_IROCtlHigh = 1U /*!< The CMT Infrared output signal state is controlled to high. */
AnnaBridge 171:3a7713b1edbc 118 } cmt_infrared_output_state_t;
AnnaBridge 171:3a7713b1edbc 119
AnnaBridge 171:3a7713b1edbc 120 /*!
AnnaBridge 171:3a7713b1edbc 121 * @brief CMT interrupt configuration structure, default settings all disabled.
AnnaBridge 171:3a7713b1edbc 122 *
AnnaBridge 171:3a7713b1edbc 123 * This structure contains the settings for all of the CMT interrupt configurations.
AnnaBridge 171:3a7713b1edbc 124 */
AnnaBridge 171:3a7713b1edbc 125 enum _cmt_interrupt_enable
AnnaBridge 171:3a7713b1edbc 126 {
AnnaBridge 171:3a7713b1edbc 127 kCMT_EndOfCycleInterruptEnable = CMT_MSC_EOCIE_MASK, /*!< CMT end of cycle interrupt. */
AnnaBridge 171:3a7713b1edbc 128 };
AnnaBridge 171:3a7713b1edbc 129
AnnaBridge 171:3a7713b1edbc 130 /*!
AnnaBridge 171:3a7713b1edbc 131 * @brief CMT carrier generator and modulator configure structure
AnnaBridge 171:3a7713b1edbc 132 *
AnnaBridge 171:3a7713b1edbc 133 */
AnnaBridge 171:3a7713b1edbc 134 typedef struct _cmt_modulate_config
AnnaBridge 171:3a7713b1edbc 135 {
AnnaBridge 171:3a7713b1edbc 136 uint8_t highCount1; /*!< The high time for carrier generator first register. */
AnnaBridge 171:3a7713b1edbc 137 uint8_t lowCount1; /*!< The low time for carrier generator first register. */
AnnaBridge 171:3a7713b1edbc 138 uint8_t highCount2; /*!< The high time for carrier generator second register for FSK mode. */
AnnaBridge 171:3a7713b1edbc 139 uint8_t lowCount2; /*!< The low time for carrier generator second register for FSK mode. */
AnnaBridge 171:3a7713b1edbc 140 uint16_t markCount; /*!< The mark time for the modulator gate. */
AnnaBridge 171:3a7713b1edbc 141 uint16_t spaceCount; /*!< The space time for the modulator gate. */
AnnaBridge 171:3a7713b1edbc 142 } cmt_modulate_config_t;
AnnaBridge 171:3a7713b1edbc 143
AnnaBridge 171:3a7713b1edbc 144 /*! @brief CMT basic configuration structure. */
AnnaBridge 171:3a7713b1edbc 145 typedef struct _cmt_config
AnnaBridge 171:3a7713b1edbc 146 {
AnnaBridge 171:3a7713b1edbc 147 bool isInterruptEnabled; /*!< Timer interrupt 0-disable, 1-enable. */
AnnaBridge 171:3a7713b1edbc 148 bool isIroEnabled; /*!< The IRO output 0-disabled, 1-enabled. */
AnnaBridge 171:3a7713b1edbc 149 cmt_infrared_output_polarity_t iroPolarity; /*!< The IRO polarity. */
AnnaBridge 171:3a7713b1edbc 150 cmt_second_clkdiv_t divider; /*!< The CMT clock divide prescaler. */
AnnaBridge 171:3a7713b1edbc 151 } cmt_config_t;
AnnaBridge 171:3a7713b1edbc 152
AnnaBridge 171:3a7713b1edbc 153 /*******************************************************************************
AnnaBridge 171:3a7713b1edbc 154 * API
AnnaBridge 171:3a7713b1edbc 155 ******************************************************************************/
AnnaBridge 171:3a7713b1edbc 156
AnnaBridge 171:3a7713b1edbc 157 #if defined(__cplusplus)
AnnaBridge 171:3a7713b1edbc 158 extern "C" {
AnnaBridge 171:3a7713b1edbc 159 #endif
AnnaBridge 171:3a7713b1edbc 160
AnnaBridge 171:3a7713b1edbc 161 /*!
AnnaBridge 171:3a7713b1edbc 162 * @name Initialization and deinitialization
AnnaBridge 171:3a7713b1edbc 163 * @{
AnnaBridge 171:3a7713b1edbc 164 */
AnnaBridge 171:3a7713b1edbc 165
AnnaBridge 171:3a7713b1edbc 166 /*!
AnnaBridge 171:3a7713b1edbc 167 * @brief Gets the CMT default configuration structure. The purpose
AnnaBridge 171:3a7713b1edbc 168 * of this API is to get the default configuration structure for the CMT_Init().
AnnaBridge 171:3a7713b1edbc 169 * Use the initialized structure unchanged in CMT_Init(), or modify
AnnaBridge 171:3a7713b1edbc 170 * some fields of the structure before calling the CMT_Init().
AnnaBridge 171:3a7713b1edbc 171 *
AnnaBridge 171:3a7713b1edbc 172 * @param config The CMT configuration structure pointer.
AnnaBridge 171:3a7713b1edbc 173 */
AnnaBridge 171:3a7713b1edbc 174 void CMT_GetDefaultConfig(cmt_config_t *config);
AnnaBridge 171:3a7713b1edbc 175
AnnaBridge 171:3a7713b1edbc 176 /*!
AnnaBridge 171:3a7713b1edbc 177 * @brief Initializes the CMT module.
AnnaBridge 171:3a7713b1edbc 178 *
AnnaBridge 171:3a7713b1edbc 179 * This function ungates the module clock and sets the CMT internal clock,
AnnaBridge 171:3a7713b1edbc 180 * interrupt, and infrared output signal for the CMT module.
AnnaBridge 171:3a7713b1edbc 181 *
AnnaBridge 171:3a7713b1edbc 182 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 183 * @param config The CMT basic configuration structure.
AnnaBridge 171:3a7713b1edbc 184 * @param busClock_Hz The CMT module input clock - bus clock frequency.
AnnaBridge 171:3a7713b1edbc 185 */
AnnaBridge 171:3a7713b1edbc 186 void CMT_Init(CMT_Type *base, const cmt_config_t *config, uint32_t busClock_Hz);
AnnaBridge 171:3a7713b1edbc 187
AnnaBridge 171:3a7713b1edbc 188 /*!
AnnaBridge 171:3a7713b1edbc 189 * @brief Disables the CMT module and gate control.
AnnaBridge 171:3a7713b1edbc 190 *
AnnaBridge 171:3a7713b1edbc 191 * This function disables CMT modulator, interrupts, and gates the
AnnaBridge 171:3a7713b1edbc 192 * CMT clock control. CMT_Init must be called to use the CMT again.
AnnaBridge 171:3a7713b1edbc 193 *
AnnaBridge 171:3a7713b1edbc 194 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 195 */
AnnaBridge 171:3a7713b1edbc 196 void CMT_Deinit(CMT_Type *base);
AnnaBridge 171:3a7713b1edbc 197
AnnaBridge 171:3a7713b1edbc 198 /*! @}*/
AnnaBridge 171:3a7713b1edbc 199
AnnaBridge 171:3a7713b1edbc 200 /*!
AnnaBridge 171:3a7713b1edbc 201 * @name Basic Control Operations
AnnaBridge 171:3a7713b1edbc 202 * @{
AnnaBridge 171:3a7713b1edbc 203 */
AnnaBridge 171:3a7713b1edbc 204
AnnaBridge 171:3a7713b1edbc 205 /*!
AnnaBridge 171:3a7713b1edbc 206 * @brief Selects the mode for CMT.
AnnaBridge 171:3a7713b1edbc 207 *
AnnaBridge 171:3a7713b1edbc 208 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 209 * @param mode The CMT feature mode enumeration. See "cmt_mode_t".
AnnaBridge 171:3a7713b1edbc 210 * @param modulateConfig The carrier generation and modulator configuration.
AnnaBridge 171:3a7713b1edbc 211 */
AnnaBridge 171:3a7713b1edbc 212 void CMT_SetMode(CMT_Type *base, cmt_mode_t mode, cmt_modulate_config_t *modulateConfig);
AnnaBridge 171:3a7713b1edbc 213
AnnaBridge 171:3a7713b1edbc 214 /*!
AnnaBridge 171:3a7713b1edbc 215 * @brief Gets the mode of the CMT module.
AnnaBridge 171:3a7713b1edbc 216 *
AnnaBridge 171:3a7713b1edbc 217 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 218 * @return The CMT mode.
AnnaBridge 171:3a7713b1edbc 219 * kCMT_DirectIROCtl Carrier modulator is disabled, the IRO signal is directly in software control.
AnnaBridge 171:3a7713b1edbc 220 * kCMT_TimeMode Carrier modulator is enabled in time mode.
AnnaBridge 171:3a7713b1edbc 221 * kCMT_FSKMode Carrier modulator is enabled in FSK mode.
AnnaBridge 171:3a7713b1edbc 222 * kCMT_BasebandMode Carrier modulator is enabled in baseband mode.
AnnaBridge 171:3a7713b1edbc 223 */
AnnaBridge 171:3a7713b1edbc 224 cmt_mode_t CMT_GetMode(CMT_Type *base);
AnnaBridge 171:3a7713b1edbc 225
AnnaBridge 171:3a7713b1edbc 226 /*!
AnnaBridge 171:3a7713b1edbc 227 * @brief Gets the actual CMT clock frequency.
AnnaBridge 171:3a7713b1edbc 228 *
AnnaBridge 171:3a7713b1edbc 229 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 230 * @param busClock_Hz CMT module input clock - bus clock frequency.
AnnaBridge 171:3a7713b1edbc 231 * @return The CMT clock frequency.
AnnaBridge 171:3a7713b1edbc 232 */
AnnaBridge 171:3a7713b1edbc 233 uint32_t CMT_GetCMTFrequency(CMT_Type *base, uint32_t busClock_Hz);
AnnaBridge 171:3a7713b1edbc 234
AnnaBridge 171:3a7713b1edbc 235 /*!
AnnaBridge 171:3a7713b1edbc 236 * @brief Sets the primary data set for the CMT carrier generator counter.
AnnaBridge 171:3a7713b1edbc 237 *
AnnaBridge 171:3a7713b1edbc 238 * This function sets the high time and low time of the primary data set for the
AnnaBridge 171:3a7713b1edbc 239 * CMT carrier generator counter to control the period and the duty cycle of the
AnnaBridge 171:3a7713b1edbc 240 * output carrier signal.
AnnaBridge 171:3a7713b1edbc 241 * If the CMT clock period is Tcmt, The period of the carrier generator signal equals
AnnaBridge 171:3a7713b1edbc 242 * (highCount + lowCount) * Tcmt. The duty cycle equals highCount / (highCount + lowCount).
AnnaBridge 171:3a7713b1edbc 243 *
AnnaBridge 171:3a7713b1edbc 244 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 245 * @param highCount The number of CMT clocks for carrier generator signal high time,
AnnaBridge 171:3a7713b1edbc 246 * integer in the range of 1 ~ 0xFF.
AnnaBridge 171:3a7713b1edbc 247 * @param lowCount The number of CMT clocks for carrier generator signal low time,
AnnaBridge 171:3a7713b1edbc 248 * integer in the range of 1 ~ 0xFF.
AnnaBridge 171:3a7713b1edbc 249 */
AnnaBridge 171:3a7713b1edbc 250 static inline void CMT_SetCarrirGenerateCountOne(CMT_Type *base, uint32_t highCount, uint32_t lowCount)
AnnaBridge 171:3a7713b1edbc 251 {
AnnaBridge 171:3a7713b1edbc 252 assert(highCount <= CMT_CGH1_PH_MASK);
AnnaBridge 171:3a7713b1edbc 253 assert(highCount);
AnnaBridge 171:3a7713b1edbc 254 assert(lowCount <= CMT_CGL1_PL_MASK);
AnnaBridge 171:3a7713b1edbc 255 assert(lowCount);
AnnaBridge 171:3a7713b1edbc 256
AnnaBridge 171:3a7713b1edbc 257 base->CGH1 = highCount;
AnnaBridge 171:3a7713b1edbc 258 base->CGL1 = lowCount;
AnnaBridge 171:3a7713b1edbc 259 }
AnnaBridge 171:3a7713b1edbc 260
AnnaBridge 171:3a7713b1edbc 261 /*!
AnnaBridge 171:3a7713b1edbc 262 * @brief Sets the secondary data set for the CMT carrier generator counter.
AnnaBridge 171:3a7713b1edbc 263 *
AnnaBridge 171:3a7713b1edbc 264 * This function is used for FSK mode setting the high time and low time of the secondary
AnnaBridge 171:3a7713b1edbc 265 * data set CMT carrier generator counter to control the period and the duty cycle
AnnaBridge 171:3a7713b1edbc 266 * of the output carrier signal.
AnnaBridge 171:3a7713b1edbc 267 * If the CMT clock period is Tcmt, The period of the carrier generator signal equals
AnnaBridge 171:3a7713b1edbc 268 * (highCount + lowCount) * Tcmt. The duty cycle equals highCount / (highCount + lowCount).
AnnaBridge 171:3a7713b1edbc 269 *
AnnaBridge 171:3a7713b1edbc 270 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 271 * @param highCount The number of CMT clocks for carrier generator signal high time,
AnnaBridge 171:3a7713b1edbc 272 * integer in the range of 1 ~ 0xFF.
AnnaBridge 171:3a7713b1edbc 273 * @param lowCount The number of CMT clocks for carrier generator signal low time,
AnnaBridge 171:3a7713b1edbc 274 * integer in the range of 1 ~ 0xFF.
AnnaBridge 171:3a7713b1edbc 275 */
AnnaBridge 171:3a7713b1edbc 276 static inline void CMT_SetCarrirGenerateCountTwo(CMT_Type *base, uint32_t highCount, uint32_t lowCount)
AnnaBridge 171:3a7713b1edbc 277 {
AnnaBridge 171:3a7713b1edbc 278 assert(highCount <= CMT_CGH2_SH_MASK);
AnnaBridge 171:3a7713b1edbc 279 assert(highCount);
AnnaBridge 171:3a7713b1edbc 280 assert(lowCount <= CMT_CGL2_SL_MASK);
AnnaBridge 171:3a7713b1edbc 281 assert(lowCount);
AnnaBridge 171:3a7713b1edbc 282
AnnaBridge 171:3a7713b1edbc 283 base->CGH2 = highCount;
AnnaBridge 171:3a7713b1edbc 284 base->CGL2 = lowCount;
AnnaBridge 171:3a7713b1edbc 285 }
AnnaBridge 171:3a7713b1edbc 286
AnnaBridge 171:3a7713b1edbc 287 /*!
AnnaBridge 171:3a7713b1edbc 288 * @brief Sets the modulation mark and space time period for the CMT modulator.
AnnaBridge 171:3a7713b1edbc 289 *
AnnaBridge 171:3a7713b1edbc 290 * This function sets the mark time period of the CMT modulator counter
AnnaBridge 171:3a7713b1edbc 291 * to control the mark time of the output modulated signal from the carrier generator output signal.
AnnaBridge 171:3a7713b1edbc 292 * If the CMT clock frequency is Fcmt and the carrier out signal frequency is fcg:
AnnaBridge 171:3a7713b1edbc 293 * - In Time and Baseband mode: The mark period of the generated signal equals (markCount + 1) / (Fcmt/8).
AnnaBridge 171:3a7713b1edbc 294 * The space period of the generated signal equals spaceCount / (Fcmt/8).
AnnaBridge 171:3a7713b1edbc 295 * - In FSK mode: The mark period of the generated signal equals (markCount + 1)/fcg.
AnnaBridge 171:3a7713b1edbc 296 * The space period of the generated signal equals spaceCount / fcg.
AnnaBridge 171:3a7713b1edbc 297 *
AnnaBridge 171:3a7713b1edbc 298 * @param base Base address for current CMT instance.
AnnaBridge 171:3a7713b1edbc 299 * @param markCount The number of clock period for CMT modulator signal mark period,
AnnaBridge 171:3a7713b1edbc 300 * in the range of 0 ~ 0xFFFF.
AnnaBridge 171:3a7713b1edbc 301 * @param spaceCount The number of clock period for CMT modulator signal space period,
AnnaBridge 171:3a7713b1edbc 302 * in the range of the 0 ~ 0xFFFF.
AnnaBridge 171:3a7713b1edbc 303 */
AnnaBridge 171:3a7713b1edbc 304 void CMT_SetModulateMarkSpace(CMT_Type *base, uint32_t markCount, uint32_t spaceCount);
AnnaBridge 171:3a7713b1edbc 305
AnnaBridge 171:3a7713b1edbc 306 /*!
AnnaBridge 171:3a7713b1edbc 307 * @brief Enables or disables the extended space operation.
AnnaBridge 171:3a7713b1edbc 308 *
AnnaBridge 171:3a7713b1edbc 309 * This function is used to make the space period longer
AnnaBridge 171:3a7713b1edbc 310 * for time, baseband, and FSK modes.
AnnaBridge 171:3a7713b1edbc 311 *
AnnaBridge 171:3a7713b1edbc 312 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 313 * @param enable True enable the extended space, false disable the extended space.
AnnaBridge 171:3a7713b1edbc 314 */
AnnaBridge 171:3a7713b1edbc 315 static inline void CMT_EnableExtendedSpace(CMT_Type *base, bool enable)
AnnaBridge 171:3a7713b1edbc 316 {
AnnaBridge 171:3a7713b1edbc 317 if (enable)
AnnaBridge 171:3a7713b1edbc 318 {
AnnaBridge 171:3a7713b1edbc 319 base->MSC |= CMT_MSC_EXSPC_MASK;
AnnaBridge 171:3a7713b1edbc 320 }
AnnaBridge 171:3a7713b1edbc 321 else
AnnaBridge 171:3a7713b1edbc 322 {
AnnaBridge 171:3a7713b1edbc 323 base->MSC &= ~CMT_MSC_EXSPC_MASK;
AnnaBridge 171:3a7713b1edbc 324 }
AnnaBridge 171:3a7713b1edbc 325 }
AnnaBridge 171:3a7713b1edbc 326
AnnaBridge 171:3a7713b1edbc 327 /*!
AnnaBridge 171:3a7713b1edbc 328 * @brief Sets IRO - infrared output signal state.
AnnaBridge 171:3a7713b1edbc 329 *
AnnaBridge 171:3a7713b1edbc 330 * Changes the states of the IRO signal when the kCMT_DirectIROMode mode is set
AnnaBridge 171:3a7713b1edbc 331 * and the IRO signal is enabled.
AnnaBridge 171:3a7713b1edbc 332 *
AnnaBridge 171:3a7713b1edbc 333 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 334 * @param state The control of the IRO signal. See "cmt_infrared_output_state_t"
AnnaBridge 171:3a7713b1edbc 335 */
AnnaBridge 171:3a7713b1edbc 336 void CMT_SetIroState(CMT_Type *base, cmt_infrared_output_state_t state);
AnnaBridge 171:3a7713b1edbc 337
AnnaBridge 171:3a7713b1edbc 338 /*!
AnnaBridge 171:3a7713b1edbc 339 * @brief Enables the CMT interrupt.
AnnaBridge 171:3a7713b1edbc 340 *
AnnaBridge 171:3a7713b1edbc 341 * This function enables the CMT interrupts according to the provided maskIf enabled.
AnnaBridge 171:3a7713b1edbc 342 * The CMT only has the end of the cycle interrupt - an interrupt occurs at the end
AnnaBridge 171:3a7713b1edbc 343 * of the modulator cycle. This interrupt provides a means for the user
AnnaBridge 171:3a7713b1edbc 344 * to reload the new mark/space values into the CMT modulator data registers
AnnaBridge 171:3a7713b1edbc 345 * and verify the modulator mark and space.
AnnaBridge 171:3a7713b1edbc 346 * For example, to enable the end of cycle, do the following:
AnnaBridge 171:3a7713b1edbc 347 * @code
AnnaBridge 171:3a7713b1edbc 348 * CMT_EnableInterrupts(CMT, kCMT_EndOfCycleInterruptEnable);
AnnaBridge 171:3a7713b1edbc 349 * @endcode
AnnaBridge 171:3a7713b1edbc 350 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 351 * @param mask The interrupts to enable. Logical OR of @ref _cmt_interrupt_enable.
AnnaBridge 171:3a7713b1edbc 352 */
AnnaBridge 171:3a7713b1edbc 353 static inline void CMT_EnableInterrupts(CMT_Type *base, uint32_t mask)
AnnaBridge 171:3a7713b1edbc 354 {
AnnaBridge 171:3a7713b1edbc 355 base->MSC |= mask;
AnnaBridge 171:3a7713b1edbc 356 }
AnnaBridge 171:3a7713b1edbc 357
AnnaBridge 171:3a7713b1edbc 358 /*!
AnnaBridge 171:3a7713b1edbc 359 * @brief Disables the CMT interrupt.
AnnaBridge 171:3a7713b1edbc 360 *
AnnaBridge 171:3a7713b1edbc 361 * This function disables the CMT interrupts according to the provided maskIf enabled.
AnnaBridge 171:3a7713b1edbc 362 * The CMT only has the end of the cycle interrupt.
AnnaBridge 171:3a7713b1edbc 363 * For example, to disable the end of cycle, do the following:
AnnaBridge 171:3a7713b1edbc 364 * @code
AnnaBridge 171:3a7713b1edbc 365 * CMT_DisableInterrupts(CMT, kCMT_EndOfCycleInterruptEnable);
AnnaBridge 171:3a7713b1edbc 366 * @endcode
AnnaBridge 171:3a7713b1edbc 367 *
AnnaBridge 171:3a7713b1edbc 368 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 369 * @param mask The interrupts to enable. Logical OR of @ref _cmt_interrupt_enable.
AnnaBridge 171:3a7713b1edbc 370 */
AnnaBridge 171:3a7713b1edbc 371 static inline void CMT_DisableInterrupts(CMT_Type *base, uint32_t mask)
AnnaBridge 171:3a7713b1edbc 372 {
AnnaBridge 171:3a7713b1edbc 373 base->MSC &= ~mask;
AnnaBridge 171:3a7713b1edbc 374 }
AnnaBridge 171:3a7713b1edbc 375
AnnaBridge 171:3a7713b1edbc 376 /*!
AnnaBridge 171:3a7713b1edbc 377 * @brief Gets the end of the cycle status flag.
AnnaBridge 171:3a7713b1edbc 378 *
AnnaBridge 171:3a7713b1edbc 379 * The flag is set:
AnnaBridge 171:3a7713b1edbc 380 * - When the modulator is not currently active and carrier and modulator
AnnaBridge 171:3a7713b1edbc 381 * are set to start the initial CMT transmission.
AnnaBridge 171:3a7713b1edbc 382 * - At the end of each modulation cycle when the counter is reloaded and
AnnaBridge 171:3a7713b1edbc 383 * the carrier and modulator are enabled.
AnnaBridge 171:3a7713b1edbc 384 * @param base CMT peripheral base address.
AnnaBridge 171:3a7713b1edbc 385 * @return Current status of the end of cycle status flag
AnnaBridge 171:3a7713b1edbc 386 * @arg non-zero: End-of-cycle has occurred.
AnnaBridge 171:3a7713b1edbc 387 * @arg zero: End-of-cycle has not yet occurred since the flag last cleared.
AnnaBridge 171:3a7713b1edbc 388 */
AnnaBridge 171:3a7713b1edbc 389 static inline uint32_t CMT_GetStatusFlags(CMT_Type *base)
AnnaBridge 171:3a7713b1edbc 390 {
AnnaBridge 171:3a7713b1edbc 391 return base->MSC & CMT_MSC_EOCF_MASK;
AnnaBridge 171:3a7713b1edbc 392 }
AnnaBridge 171:3a7713b1edbc 393
AnnaBridge 171:3a7713b1edbc 394 /*! @}*/
AnnaBridge 171:3a7713b1edbc 395
AnnaBridge 171:3a7713b1edbc 396 #if defined(__cplusplus)
AnnaBridge 171:3a7713b1edbc 397 }
AnnaBridge 171:3a7713b1edbc 398 #endif
AnnaBridge 171:3a7713b1edbc 399
AnnaBridge 171:3a7713b1edbc 400 /*! @}*/
AnnaBridge 171:3a7713b1edbc 401
AnnaBridge 171:3a7713b1edbc 402 #endif /* _FSL_CMT_H_*/