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mbed library sources. Supersedes mbed-src.

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cmsis/BUILD/mbed/TARGET_K82F/TOOLCHAIN_IAR/fsl_cmt.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

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AnnaBridge 189:f392fc9709a3 1 /*
AnnaBridge 189:f392fc9709a3 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
AnnaBridge 189:f392fc9709a3 3 * All rights reserved.
AnnaBridge 189:f392fc9709a3 4 *
AnnaBridge 189:f392fc9709a3 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 189:f392fc9709a3 6 * are permitted provided that the following conditions are met:
AnnaBridge 189:f392fc9709a3 7 *
AnnaBridge 189:f392fc9709a3 8 * o Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 189:f392fc9709a3 9 * of conditions and the following disclaimer.
AnnaBridge 189:f392fc9709a3 10 *
AnnaBridge 189:f392fc9709a3 11 * o Redistributions in binary form must reproduce the above copyright notice, this
AnnaBridge 189:f392fc9709a3 12 * list of conditions and the following disclaimer in the documentation and/or
AnnaBridge 189:f392fc9709a3 13 * other materials provided with the distribution.
AnnaBridge 189:f392fc9709a3 14 *
AnnaBridge 189:f392fc9709a3 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
AnnaBridge 189:f392fc9709a3 16 * contributors may be used to endorse or promote products derived from this
AnnaBridge 189:f392fc9709a3 17 * software without specific prior written permission.
AnnaBridge 189:f392fc9709a3 18 *
AnnaBridge 189:f392fc9709a3 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 189:f392fc9709a3 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 189:f392fc9709a3 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 189:f392fc9709a3 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 189:f392fc9709a3 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 189:f392fc9709a3 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 189:f392fc9709a3 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 189:f392fc9709a3 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 189:f392fc9709a3 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 189:f392fc9709a3 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 189:f392fc9709a3 29 */
AnnaBridge 189:f392fc9709a3 30 #ifndef _FSL_CMT_H_
AnnaBridge 189:f392fc9709a3 31 #define _FSL_CMT_H_
AnnaBridge 189:f392fc9709a3 32
AnnaBridge 189:f392fc9709a3 33 #include "fsl_common.h"
AnnaBridge 189:f392fc9709a3 34
AnnaBridge 189:f392fc9709a3 35 /*!
AnnaBridge 189:f392fc9709a3 36 * @addtogroup cmt
AnnaBridge 189:f392fc9709a3 37 * @{
AnnaBridge 189:f392fc9709a3 38 */
AnnaBridge 189:f392fc9709a3 39
AnnaBridge 189:f392fc9709a3 40
AnnaBridge 189:f392fc9709a3 41 /*******************************************************************************
AnnaBridge 189:f392fc9709a3 42 * Definitions
AnnaBridge 189:f392fc9709a3 43 ******************************************************************************/
AnnaBridge 189:f392fc9709a3 44
AnnaBridge 189:f392fc9709a3 45 /*! @name Driver version */
AnnaBridge 189:f392fc9709a3 46 /*@{*/
AnnaBridge 189:f392fc9709a3 47 /*! @brief CMT driver version 2.0.1. */
AnnaBridge 189:f392fc9709a3 48 #define FSL_CMT_DRIVER_VERSION (MAKE_VERSION(2, 0, 1))
AnnaBridge 189:f392fc9709a3 49 /*@}*/
AnnaBridge 189:f392fc9709a3 50
AnnaBridge 189:f392fc9709a3 51 /*!
AnnaBridge 189:f392fc9709a3 52 * @brief The modes of CMT.
AnnaBridge 189:f392fc9709a3 53 */
AnnaBridge 189:f392fc9709a3 54 typedef enum _cmt_mode
AnnaBridge 189:f392fc9709a3 55 {
AnnaBridge 189:f392fc9709a3 56 kCMT_DirectIROCtl = 0x00U, /*!< Carrier modulator is disabled and the IRO signal is directly in software control */
AnnaBridge 189:f392fc9709a3 57 kCMT_TimeMode = 0x01U, /*!< Carrier modulator is enabled in time mode. */
AnnaBridge 189:f392fc9709a3 58 kCMT_FSKMode = 0x05U, /*!< Carrier modulator is enabled in FSK mode. */
AnnaBridge 189:f392fc9709a3 59 kCMT_BasebandMode = 0x09U /*!< Carrier modulator is enabled in baseband mode. */
AnnaBridge 189:f392fc9709a3 60 } cmt_mode_t;
AnnaBridge 189:f392fc9709a3 61
AnnaBridge 189:f392fc9709a3 62 /*!
AnnaBridge 189:f392fc9709a3 63 * @brief The CMT clock divide primary prescaler.
AnnaBridge 189:f392fc9709a3 64 * The primary clock divider is used to divider the bus clock to
AnnaBridge 189:f392fc9709a3 65 * get the intermediate frequency to approximately equal to 8 MHZ.
AnnaBridge 189:f392fc9709a3 66 * When the bus clock is 8 MHZ, set primary prescaler to "kCMT_PrimaryClkDiv1".
AnnaBridge 189:f392fc9709a3 67 */
AnnaBridge 189:f392fc9709a3 68 typedef enum _cmt_primary_clkdiv
AnnaBridge 189:f392fc9709a3 69 {
AnnaBridge 189:f392fc9709a3 70 kCMT_PrimaryClkDiv1 = 0U, /*!< The intermediate frequency is the bus clock divided by 1. */
AnnaBridge 189:f392fc9709a3 71 kCMT_PrimaryClkDiv2 = 1U, /*!< The intermediate frequency is the bus clock divided by 2. */
AnnaBridge 189:f392fc9709a3 72 kCMT_PrimaryClkDiv3 = 2U, /*!< The intermediate frequency is the bus clock divided by 3. */
AnnaBridge 189:f392fc9709a3 73 kCMT_PrimaryClkDiv4 = 3U, /*!< The intermediate frequency is the bus clock divided by 4. */
AnnaBridge 189:f392fc9709a3 74 kCMT_PrimaryClkDiv5 = 4U, /*!< The intermediate frequency is the bus clock divided by 5. */
AnnaBridge 189:f392fc9709a3 75 kCMT_PrimaryClkDiv6 = 5U, /*!< The intermediate frequency is the bus clock divided by 6. */
AnnaBridge 189:f392fc9709a3 76 kCMT_PrimaryClkDiv7 = 6U, /*!< The intermediate frequency is the bus clock divided by 7. */
AnnaBridge 189:f392fc9709a3 77 kCMT_PrimaryClkDiv8 = 7U, /*!< The intermediate frequency is the bus clock divided by 8. */
AnnaBridge 189:f392fc9709a3 78 kCMT_PrimaryClkDiv9 = 8U, /*!< The intermediate frequency is the bus clock divided by 9. */
AnnaBridge 189:f392fc9709a3 79 kCMT_PrimaryClkDiv10 = 9U, /*!< The intermediate frequency is the bus clock divided by 10. */
AnnaBridge 189:f392fc9709a3 80 kCMT_PrimaryClkDiv11 = 10U, /*!< The intermediate frequency is the bus clock divided by 11. */
AnnaBridge 189:f392fc9709a3 81 kCMT_PrimaryClkDiv12 = 11U, /*!< The intermediate frequency is the bus clock divided by 12. */
AnnaBridge 189:f392fc9709a3 82 kCMT_PrimaryClkDiv13 = 12U, /*!< The intermediate frequency is the bus clock divided by 13. */
AnnaBridge 189:f392fc9709a3 83 kCMT_PrimaryClkDiv14 = 13U, /*!< The intermediate frequency is the bus clock divided by 14. */
AnnaBridge 189:f392fc9709a3 84 kCMT_PrimaryClkDiv15 = 14U, /*!< The intermediate frequency is the bus clock divided by 15. */
AnnaBridge 189:f392fc9709a3 85 kCMT_PrimaryClkDiv16 = 15U /*!< The intermediate frequency is the bus clock divided by 16. */
AnnaBridge 189:f392fc9709a3 86 } cmt_primary_clkdiv_t;
AnnaBridge 189:f392fc9709a3 87
AnnaBridge 189:f392fc9709a3 88 /*!
AnnaBridge 189:f392fc9709a3 89 * @brief The CMT clock divide secondary prescaler.
AnnaBridge 189:f392fc9709a3 90 * The second prescaler can be used to divide the 8 MHZ CMT clock
AnnaBridge 189:f392fc9709a3 91 * by 1, 2, 4, or 8 according to the specification.
AnnaBridge 189:f392fc9709a3 92 */
AnnaBridge 189:f392fc9709a3 93 typedef enum _cmt_second_clkdiv
AnnaBridge 189:f392fc9709a3 94 {
AnnaBridge 189:f392fc9709a3 95 kCMT_SecondClkDiv1 = 0U, /*!< The CMT clock is the intermediate frequency frequency divided by 1. */
AnnaBridge 189:f392fc9709a3 96 kCMT_SecondClkDiv2 = 1U, /*!< The CMT clock is the intermediate frequency frequency divided by 2. */
AnnaBridge 189:f392fc9709a3 97 kCMT_SecondClkDiv4 = 2U, /*!< The CMT clock is the intermediate frequency frequency divided by 4. */
AnnaBridge 189:f392fc9709a3 98 kCMT_SecondClkDiv8 = 3U /*!< The CMT clock is the intermediate frequency frequency divided by 8. */
AnnaBridge 189:f392fc9709a3 99 } cmt_second_clkdiv_t;
AnnaBridge 189:f392fc9709a3 100
AnnaBridge 189:f392fc9709a3 101 /*!
AnnaBridge 189:f392fc9709a3 102 * @brief The CMT infrared output polarity.
AnnaBridge 189:f392fc9709a3 103 */
AnnaBridge 189:f392fc9709a3 104 typedef enum _cmt_infrared_output_polarity
AnnaBridge 189:f392fc9709a3 105 {
AnnaBridge 189:f392fc9709a3 106 kCMT_IROActiveLow = 0U, /*!< The CMT infrared output signal polarity is active-low. */
AnnaBridge 189:f392fc9709a3 107 kCMT_IROActiveHigh = 1U /*!< The CMT infrared output signal polarity is active-high. */
AnnaBridge 189:f392fc9709a3 108 } cmt_infrared_output_polarity_t;
AnnaBridge 189:f392fc9709a3 109
AnnaBridge 189:f392fc9709a3 110 /*!
AnnaBridge 189:f392fc9709a3 111 * @brief The CMT infrared output signal state control.
AnnaBridge 189:f392fc9709a3 112 */
AnnaBridge 189:f392fc9709a3 113 typedef enum _cmt_infrared_output_state
AnnaBridge 189:f392fc9709a3 114 {
AnnaBridge 189:f392fc9709a3 115 kCMT_IROCtlLow = 0U, /*!< The CMT Infrared output signal state is controlled to low. */
AnnaBridge 189:f392fc9709a3 116 kCMT_IROCtlHigh = 1U /*!< The CMT Infrared output signal state is controlled to high. */
AnnaBridge 189:f392fc9709a3 117 } cmt_infrared_output_state_t;
AnnaBridge 189:f392fc9709a3 118
AnnaBridge 189:f392fc9709a3 119 /*!
AnnaBridge 189:f392fc9709a3 120 * @brief CMT interrupt configuration structure, default settings all disabled.
AnnaBridge 189:f392fc9709a3 121 *
AnnaBridge 189:f392fc9709a3 122 * This structure contains the settings for all of the CMT interrupt configurations.
AnnaBridge 189:f392fc9709a3 123 */
AnnaBridge 189:f392fc9709a3 124 enum _cmt_interrupt_enable
AnnaBridge 189:f392fc9709a3 125 {
AnnaBridge 189:f392fc9709a3 126 kCMT_EndOfCycleInterruptEnable = CMT_MSC_EOCIE_MASK, /*!< CMT end of cycle interrupt. */
AnnaBridge 189:f392fc9709a3 127 };
AnnaBridge 189:f392fc9709a3 128
AnnaBridge 189:f392fc9709a3 129 /*!
AnnaBridge 189:f392fc9709a3 130 * @brief CMT carrier generator and modulator configuration structure
AnnaBridge 189:f392fc9709a3 131 *
AnnaBridge 189:f392fc9709a3 132 */
AnnaBridge 189:f392fc9709a3 133 typedef struct _cmt_modulate_config
AnnaBridge 189:f392fc9709a3 134 {
AnnaBridge 189:f392fc9709a3 135 uint8_t highCount1; /*!< The high-time for carrier generator first register. */
AnnaBridge 189:f392fc9709a3 136 uint8_t lowCount1; /*!< The low-time for carrier generator first register. */
AnnaBridge 189:f392fc9709a3 137 uint8_t highCount2; /*!< The high-time for carrier generator second register for FSK mode. */
AnnaBridge 189:f392fc9709a3 138 uint8_t lowCount2; /*!< The low-time for carrier generator second register for FSK mode. */
AnnaBridge 189:f392fc9709a3 139 uint16_t markCount; /*!< The mark time for the modulator gate. */
AnnaBridge 189:f392fc9709a3 140 uint16_t spaceCount; /*!< The space time for the modulator gate. */
AnnaBridge 189:f392fc9709a3 141 } cmt_modulate_config_t;
AnnaBridge 189:f392fc9709a3 142
AnnaBridge 189:f392fc9709a3 143 /*! @brief CMT basic configuration structure. */
AnnaBridge 189:f392fc9709a3 144 typedef struct _cmt_config
AnnaBridge 189:f392fc9709a3 145 {
AnnaBridge 189:f392fc9709a3 146 bool isInterruptEnabled; /*!< Timer interrupt 0-disable, 1-enable. */
AnnaBridge 189:f392fc9709a3 147 bool isIroEnabled; /*!< The IRO output 0-disabled, 1-enabled. */
AnnaBridge 189:f392fc9709a3 148 cmt_infrared_output_polarity_t iroPolarity; /*!< The IRO polarity. */
AnnaBridge 189:f392fc9709a3 149 cmt_second_clkdiv_t divider; /*!< The CMT clock divide prescaler. */
AnnaBridge 189:f392fc9709a3 150 } cmt_config_t;
AnnaBridge 189:f392fc9709a3 151
AnnaBridge 189:f392fc9709a3 152 /*******************************************************************************
AnnaBridge 189:f392fc9709a3 153 * API
AnnaBridge 189:f392fc9709a3 154 ******************************************************************************/
AnnaBridge 189:f392fc9709a3 155
AnnaBridge 189:f392fc9709a3 156 #if defined(__cplusplus)
AnnaBridge 189:f392fc9709a3 157 extern "C" {
AnnaBridge 189:f392fc9709a3 158 #endif
AnnaBridge 189:f392fc9709a3 159
AnnaBridge 189:f392fc9709a3 160 /*!
AnnaBridge 189:f392fc9709a3 161 * @name Initialization and deinitialization
AnnaBridge 189:f392fc9709a3 162 * @{
AnnaBridge 189:f392fc9709a3 163 */
AnnaBridge 189:f392fc9709a3 164
AnnaBridge 189:f392fc9709a3 165 /*!
AnnaBridge 189:f392fc9709a3 166 * @brief Gets the CMT default configuration structure. This API
AnnaBridge 189:f392fc9709a3 167 * gets the default configuration structure for the CMT_Init().
AnnaBridge 189:f392fc9709a3 168 * Use the initialized structure unchanged in CMT_Init() or modify
AnnaBridge 189:f392fc9709a3 169 * fields of the structure before calling the CMT_Init().
AnnaBridge 189:f392fc9709a3 170 *
AnnaBridge 189:f392fc9709a3 171 * @param config The CMT configuration structure pointer.
AnnaBridge 189:f392fc9709a3 172 */
AnnaBridge 189:f392fc9709a3 173 void CMT_GetDefaultConfig(cmt_config_t *config);
AnnaBridge 189:f392fc9709a3 174
AnnaBridge 189:f392fc9709a3 175 /*!
AnnaBridge 189:f392fc9709a3 176 * @brief Initializes the CMT module.
AnnaBridge 189:f392fc9709a3 177 *
AnnaBridge 189:f392fc9709a3 178 * This function ungates the module clock and sets the CMT internal clock,
AnnaBridge 189:f392fc9709a3 179 * interrupt, and infrared output signal for the CMT module.
AnnaBridge 189:f392fc9709a3 180 *
AnnaBridge 189:f392fc9709a3 181 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 182 * @param config The CMT basic configuration structure.
AnnaBridge 189:f392fc9709a3 183 * @param busClock_Hz The CMT module input clock - bus clock frequency.
AnnaBridge 189:f392fc9709a3 184 */
AnnaBridge 189:f392fc9709a3 185 void CMT_Init(CMT_Type *base, const cmt_config_t *config, uint32_t busClock_Hz);
AnnaBridge 189:f392fc9709a3 186
AnnaBridge 189:f392fc9709a3 187 /*!
AnnaBridge 189:f392fc9709a3 188 * @brief Disables the CMT module and gate control.
AnnaBridge 189:f392fc9709a3 189 *
AnnaBridge 189:f392fc9709a3 190 * This function disables CMT modulator, interrupts, and gates the
AnnaBridge 189:f392fc9709a3 191 * CMT clock control. CMT_Init must be called to use the CMT again.
AnnaBridge 189:f392fc9709a3 192 *
AnnaBridge 189:f392fc9709a3 193 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 194 */
AnnaBridge 189:f392fc9709a3 195 void CMT_Deinit(CMT_Type *base);
AnnaBridge 189:f392fc9709a3 196
AnnaBridge 189:f392fc9709a3 197 /*! @}*/
AnnaBridge 189:f392fc9709a3 198
AnnaBridge 189:f392fc9709a3 199 /*!
AnnaBridge 189:f392fc9709a3 200 * @name Basic Control Operations
AnnaBridge 189:f392fc9709a3 201 * @{
AnnaBridge 189:f392fc9709a3 202 */
AnnaBridge 189:f392fc9709a3 203
AnnaBridge 189:f392fc9709a3 204 /*!
AnnaBridge 189:f392fc9709a3 205 * @brief Selects the mode for CMT.
AnnaBridge 189:f392fc9709a3 206 *
AnnaBridge 189:f392fc9709a3 207 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 208 * @param mode The CMT feature mode enumeration. See "cmt_mode_t".
AnnaBridge 189:f392fc9709a3 209 * @param modulateConfig The carrier generation and modulator configuration.
AnnaBridge 189:f392fc9709a3 210 */
AnnaBridge 189:f392fc9709a3 211 void CMT_SetMode(CMT_Type *base, cmt_mode_t mode, cmt_modulate_config_t *modulateConfig);
AnnaBridge 189:f392fc9709a3 212
AnnaBridge 189:f392fc9709a3 213 /*!
AnnaBridge 189:f392fc9709a3 214 * @brief Gets the mode of the CMT module.
AnnaBridge 189:f392fc9709a3 215 *
AnnaBridge 189:f392fc9709a3 216 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 217 * @return The CMT mode.
AnnaBridge 189:f392fc9709a3 218 * kCMT_DirectIROCtl Carrier modulator is disabled; the IRO signal is directly in software control.
AnnaBridge 189:f392fc9709a3 219 * kCMT_TimeMode Carrier modulator is enabled in time mode.
AnnaBridge 189:f392fc9709a3 220 * kCMT_FSKMode Carrier modulator is enabled in FSK mode.
AnnaBridge 189:f392fc9709a3 221 * kCMT_BasebandMode Carrier modulator is enabled in baseband mode.
AnnaBridge 189:f392fc9709a3 222 */
AnnaBridge 189:f392fc9709a3 223 cmt_mode_t CMT_GetMode(CMT_Type *base);
AnnaBridge 189:f392fc9709a3 224
AnnaBridge 189:f392fc9709a3 225 /*!
AnnaBridge 189:f392fc9709a3 226 * @brief Gets the actual CMT clock frequency.
AnnaBridge 189:f392fc9709a3 227 *
AnnaBridge 189:f392fc9709a3 228 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 229 * @param busClock_Hz CMT module input clock - bus clock frequency.
AnnaBridge 189:f392fc9709a3 230 * @return The CMT clock frequency.
AnnaBridge 189:f392fc9709a3 231 */
AnnaBridge 189:f392fc9709a3 232 uint32_t CMT_GetCMTFrequency(CMT_Type *base, uint32_t busClock_Hz);
AnnaBridge 189:f392fc9709a3 233
AnnaBridge 189:f392fc9709a3 234 /*!
AnnaBridge 189:f392fc9709a3 235 * @brief Sets the primary data set for the CMT carrier generator counter.
AnnaBridge 189:f392fc9709a3 236 *
AnnaBridge 189:f392fc9709a3 237 * This function sets the high-time and low-time of the primary data set for the
AnnaBridge 189:f392fc9709a3 238 * CMT carrier generator counter to control the period and the duty cycle of the
AnnaBridge 189:f392fc9709a3 239 * output carrier signal.
AnnaBridge 189:f392fc9709a3 240 * If the CMT clock period is Tcmt, the period of the carrier generator signal equals
AnnaBridge 189:f392fc9709a3 241 * (highCount + lowCount) * Tcmt. The duty cycle equals to highCount / (highCount + lowCount).
AnnaBridge 189:f392fc9709a3 242 *
AnnaBridge 189:f392fc9709a3 243 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 244 * @param highCount The number of CMT clocks for carrier generator signal high time,
AnnaBridge 189:f392fc9709a3 245 * integer in the range of 1 ~ 0xFF.
AnnaBridge 189:f392fc9709a3 246 * @param lowCount The number of CMT clocks for carrier generator signal low time,
AnnaBridge 189:f392fc9709a3 247 * integer in the range of 1 ~ 0xFF.
AnnaBridge 189:f392fc9709a3 248 */
AnnaBridge 189:f392fc9709a3 249 static inline void CMT_SetCarrirGenerateCountOne(CMT_Type *base, uint32_t highCount, uint32_t lowCount)
AnnaBridge 189:f392fc9709a3 250 {
AnnaBridge 189:f392fc9709a3 251 assert(highCount <= CMT_CGH1_PH_MASK);
AnnaBridge 189:f392fc9709a3 252 assert(highCount);
AnnaBridge 189:f392fc9709a3 253 assert(lowCount <= CMT_CGL1_PL_MASK);
AnnaBridge 189:f392fc9709a3 254 assert(lowCount);
AnnaBridge 189:f392fc9709a3 255
AnnaBridge 189:f392fc9709a3 256 base->CGH1 = highCount;
AnnaBridge 189:f392fc9709a3 257 base->CGL1 = lowCount;
AnnaBridge 189:f392fc9709a3 258 }
AnnaBridge 189:f392fc9709a3 259
AnnaBridge 189:f392fc9709a3 260 /*!
AnnaBridge 189:f392fc9709a3 261 * @brief Sets the secondary data set for the CMT carrier generator counter.
AnnaBridge 189:f392fc9709a3 262 *
AnnaBridge 189:f392fc9709a3 263 * This function is used for FSK mode setting the high-time and low-time of the secondary
AnnaBridge 189:f392fc9709a3 264 * data set CMT carrier generator counter to control the period and the duty cycle
AnnaBridge 189:f392fc9709a3 265 * of the output carrier signal.
AnnaBridge 189:f392fc9709a3 266 * If the CMT clock period is Tcmt, the period of the carrier generator signal equals
AnnaBridge 189:f392fc9709a3 267 * (highCount + lowCount) * Tcmt. The duty cycle equals highCount / (highCount + lowCount).
AnnaBridge 189:f392fc9709a3 268 *
AnnaBridge 189:f392fc9709a3 269 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 270 * @param highCount The number of CMT clocks for carrier generator signal high time,
AnnaBridge 189:f392fc9709a3 271 * integer in the range of 1 ~ 0xFF.
AnnaBridge 189:f392fc9709a3 272 * @param lowCount The number of CMT clocks for carrier generator signal low time,
AnnaBridge 189:f392fc9709a3 273 * integer in the range of 1 ~ 0xFF.
AnnaBridge 189:f392fc9709a3 274 */
AnnaBridge 189:f392fc9709a3 275 static inline void CMT_SetCarrirGenerateCountTwo(CMT_Type *base, uint32_t highCount, uint32_t lowCount)
AnnaBridge 189:f392fc9709a3 276 {
AnnaBridge 189:f392fc9709a3 277 assert(highCount <= CMT_CGH2_SH_MASK);
AnnaBridge 189:f392fc9709a3 278 assert(highCount);
AnnaBridge 189:f392fc9709a3 279 assert(lowCount <= CMT_CGL2_SL_MASK);
AnnaBridge 189:f392fc9709a3 280 assert(lowCount);
AnnaBridge 189:f392fc9709a3 281
AnnaBridge 189:f392fc9709a3 282 base->CGH2 = highCount;
AnnaBridge 189:f392fc9709a3 283 base->CGL2 = lowCount;
AnnaBridge 189:f392fc9709a3 284 }
AnnaBridge 189:f392fc9709a3 285
AnnaBridge 189:f392fc9709a3 286 /*!
AnnaBridge 189:f392fc9709a3 287 * @brief Sets the modulation mark and space time period for the CMT modulator.
AnnaBridge 189:f392fc9709a3 288 *
AnnaBridge 189:f392fc9709a3 289 * This function sets the mark time period of the CMT modulator counter
AnnaBridge 189:f392fc9709a3 290 * to control the mark time of the output modulated signal from the carrier generator output signal.
AnnaBridge 189:f392fc9709a3 291 * If the CMT clock frequency is Fcmt and the carrier out signal frequency is fcg:
AnnaBridge 189:f392fc9709a3 292 * - In Time and Baseband mode: The mark period of the generated signal equals (markCount + 1) / (Fcmt/8).
AnnaBridge 189:f392fc9709a3 293 * The space period of the generated signal equals spaceCount / (Fcmt/8).
AnnaBridge 189:f392fc9709a3 294 * - In FSK mode: The mark period of the generated signal equals (markCount + 1)/fcg.
AnnaBridge 189:f392fc9709a3 295 * The space period of the generated signal equals spaceCount / fcg.
AnnaBridge 189:f392fc9709a3 296 *
AnnaBridge 189:f392fc9709a3 297 * @param base Base address for current CMT instance.
AnnaBridge 189:f392fc9709a3 298 * @param markCount The number of clock period for CMT modulator signal mark period,
AnnaBridge 189:f392fc9709a3 299 * in the range of 0 ~ 0xFFFF.
AnnaBridge 189:f392fc9709a3 300 * @param spaceCount The number of clock period for CMT modulator signal space period,
AnnaBridge 189:f392fc9709a3 301 * in the range of the 0 ~ 0xFFFF.
AnnaBridge 189:f392fc9709a3 302 */
AnnaBridge 189:f392fc9709a3 303 void CMT_SetModulateMarkSpace(CMT_Type *base, uint32_t markCount, uint32_t spaceCount);
AnnaBridge 189:f392fc9709a3 304
AnnaBridge 189:f392fc9709a3 305 /*!
AnnaBridge 189:f392fc9709a3 306 * @brief Enables or disables the extended space operation.
AnnaBridge 189:f392fc9709a3 307 *
AnnaBridge 189:f392fc9709a3 308 * This function is used to make the space period longer
AnnaBridge 189:f392fc9709a3 309 * for time, baseband, and FSK modes.
AnnaBridge 189:f392fc9709a3 310 *
AnnaBridge 189:f392fc9709a3 311 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 312 * @param enable True enable the extended space, false disable the extended space.
AnnaBridge 189:f392fc9709a3 313 */
AnnaBridge 189:f392fc9709a3 314 static inline void CMT_EnableExtendedSpace(CMT_Type *base, bool enable)
AnnaBridge 189:f392fc9709a3 315 {
AnnaBridge 189:f392fc9709a3 316 if (enable)
AnnaBridge 189:f392fc9709a3 317 {
AnnaBridge 189:f392fc9709a3 318 base->MSC |= CMT_MSC_EXSPC_MASK;
AnnaBridge 189:f392fc9709a3 319 }
AnnaBridge 189:f392fc9709a3 320 else
AnnaBridge 189:f392fc9709a3 321 {
AnnaBridge 189:f392fc9709a3 322 base->MSC &= ~CMT_MSC_EXSPC_MASK;
AnnaBridge 189:f392fc9709a3 323 }
AnnaBridge 189:f392fc9709a3 324 }
AnnaBridge 189:f392fc9709a3 325
AnnaBridge 189:f392fc9709a3 326 /*!
AnnaBridge 189:f392fc9709a3 327 * @brief Sets the IRO (infrared output) signal state.
AnnaBridge 189:f392fc9709a3 328 *
AnnaBridge 189:f392fc9709a3 329 * Changes the states of the IRO signal when the kCMT_DirectIROMode mode is set
AnnaBridge 189:f392fc9709a3 330 * and the IRO signal is enabled.
AnnaBridge 189:f392fc9709a3 331 *
AnnaBridge 189:f392fc9709a3 332 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 333 * @param state The control of the IRO signal. See "cmt_infrared_output_state_t"
AnnaBridge 189:f392fc9709a3 334 */
AnnaBridge 189:f392fc9709a3 335 void CMT_SetIroState(CMT_Type *base, cmt_infrared_output_state_t state);
AnnaBridge 189:f392fc9709a3 336
AnnaBridge 189:f392fc9709a3 337 /*!
AnnaBridge 189:f392fc9709a3 338 * @brief Enables the CMT interrupt.
AnnaBridge 189:f392fc9709a3 339 *
AnnaBridge 189:f392fc9709a3 340 * This function enables the CMT interrupts according to the provided mask if enabled.
AnnaBridge 189:f392fc9709a3 341 * The CMT only has the end of the cycle interrupt - an interrupt occurs at the end
AnnaBridge 189:f392fc9709a3 342 * of the modulator cycle. This interrupt provides a means for the user
AnnaBridge 189:f392fc9709a3 343 * to reload the new mark/space values into the CMT modulator data registers
AnnaBridge 189:f392fc9709a3 344 * and verify the modulator mark and space.
AnnaBridge 189:f392fc9709a3 345 * For example, to enable the end of cycle, do the following.
AnnaBridge 189:f392fc9709a3 346 * @code
AnnaBridge 189:f392fc9709a3 347 * CMT_EnableInterrupts(CMT, kCMT_EndOfCycleInterruptEnable);
AnnaBridge 189:f392fc9709a3 348 * @endcode
AnnaBridge 189:f392fc9709a3 349 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 350 * @param mask The interrupts to enable. Logical OR of @ref _cmt_interrupt_enable.
AnnaBridge 189:f392fc9709a3 351 */
AnnaBridge 189:f392fc9709a3 352 static inline void CMT_EnableInterrupts(CMT_Type *base, uint32_t mask)
AnnaBridge 189:f392fc9709a3 353 {
AnnaBridge 189:f392fc9709a3 354 base->MSC |= mask;
AnnaBridge 189:f392fc9709a3 355 }
AnnaBridge 189:f392fc9709a3 356
AnnaBridge 189:f392fc9709a3 357 /*!
AnnaBridge 189:f392fc9709a3 358 * @brief Disables the CMT interrupt.
AnnaBridge 189:f392fc9709a3 359 *
AnnaBridge 189:f392fc9709a3 360 * This function disables the CMT interrupts according to the provided maskIf enabled.
AnnaBridge 189:f392fc9709a3 361 * The CMT only has the end of the cycle interrupt.
AnnaBridge 189:f392fc9709a3 362 * For example, to disable the end of cycle, do the following.
AnnaBridge 189:f392fc9709a3 363 * @code
AnnaBridge 189:f392fc9709a3 364 * CMT_DisableInterrupts(CMT, kCMT_EndOfCycleInterruptEnable);
AnnaBridge 189:f392fc9709a3 365 * @endcode
AnnaBridge 189:f392fc9709a3 366 *
AnnaBridge 189:f392fc9709a3 367 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 368 * @param mask The interrupts to enable. Logical OR of @ref _cmt_interrupt_enable.
AnnaBridge 189:f392fc9709a3 369 */
AnnaBridge 189:f392fc9709a3 370 static inline void CMT_DisableInterrupts(CMT_Type *base, uint32_t mask)
AnnaBridge 189:f392fc9709a3 371 {
AnnaBridge 189:f392fc9709a3 372 base->MSC &= ~mask;
AnnaBridge 189:f392fc9709a3 373 }
AnnaBridge 189:f392fc9709a3 374
AnnaBridge 189:f392fc9709a3 375 /*!
AnnaBridge 189:f392fc9709a3 376 * @brief Gets the end of the cycle status flag.
AnnaBridge 189:f392fc9709a3 377 *
AnnaBridge 189:f392fc9709a3 378 * The flag is set:
AnnaBridge 189:f392fc9709a3 379 * - When the modulator is not currently active and carrier and modulator
AnnaBridge 189:f392fc9709a3 380 * are set to start the initial CMT transmission.
AnnaBridge 189:f392fc9709a3 381 * - At the end of each modulation cycle when the counter is reloaded and
AnnaBridge 189:f392fc9709a3 382 * the carrier and modulator are enabled.
AnnaBridge 189:f392fc9709a3 383 * @param base CMT peripheral base address.
AnnaBridge 189:f392fc9709a3 384 * @return Current status of the end of cycle status flag
AnnaBridge 189:f392fc9709a3 385 * @arg non-zero: End-of-cycle has occurred.
AnnaBridge 189:f392fc9709a3 386 * @arg zero: End-of-cycle has not yet occurred since the flag last cleared.
AnnaBridge 189:f392fc9709a3 387 */
AnnaBridge 189:f392fc9709a3 388 static inline uint32_t CMT_GetStatusFlags(CMT_Type *base)
AnnaBridge 189:f392fc9709a3 389 {
AnnaBridge 189:f392fc9709a3 390 return base->MSC & CMT_MSC_EOCF_MASK;
AnnaBridge 189:f392fc9709a3 391 }
AnnaBridge 189:f392fc9709a3 392
AnnaBridge 189:f392fc9709a3 393 /*! @}*/
AnnaBridge 189:f392fc9709a3 394
AnnaBridge 189:f392fc9709a3 395 #if defined(__cplusplus)
AnnaBridge 189:f392fc9709a3 396 }
AnnaBridge 189:f392fc9709a3 397 #endif
AnnaBridge 189:f392fc9709a3 398
AnnaBridge 189:f392fc9709a3 399 /*! @}*/
AnnaBridge 189:f392fc9709a3 400
AnnaBridge 189:f392fc9709a3 401 #endif /* _FSL_CMT_H_*/