takashi kadono / Mbed OS Nucleo446_SSD1331

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/drivers/fsl_pit.h@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /*
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
kadonotakashi 0:8fdf9a60065b 3 * All rights reserved.
kadonotakashi 0:8fdf9a60065b 4 *
kadonotakashi 0:8fdf9a60065b 5 * Redistribution and use in source and binary forms, with or without modification,
kadonotakashi 0:8fdf9a60065b 6 * are permitted provided that the following conditions are met:
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * o Redistributions of source code must retain the above copyright notice, this list
kadonotakashi 0:8fdf9a60065b 9 * of conditions and the following disclaimer.
kadonotakashi 0:8fdf9a60065b 10 *
kadonotakashi 0:8fdf9a60065b 11 * o Redistributions in binary form must reproduce the above copyright notice, this
kadonotakashi 0:8fdf9a60065b 12 * list of conditions and the following disclaimer in the documentation and/or
kadonotakashi 0:8fdf9a60065b 13 * other materials provided with the distribution.
kadonotakashi 0:8fdf9a60065b 14 *
kadonotakashi 0:8fdf9a60065b 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
kadonotakashi 0:8fdf9a60065b 16 * contributors may be used to endorse or promote products derived from this
kadonotakashi 0:8fdf9a60065b 17 * software without specific prior written permission.
kadonotakashi 0:8fdf9a60065b 18 *
kadonotakashi 0:8fdf9a60065b 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
kadonotakashi 0:8fdf9a60065b 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
kadonotakashi 0:8fdf9a60065b 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
kadonotakashi 0:8fdf9a60065b 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
kadonotakashi 0:8fdf9a60065b 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
kadonotakashi 0:8fdf9a60065b 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
kadonotakashi 0:8fdf9a60065b 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
kadonotakashi 0:8fdf9a60065b 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
kadonotakashi 0:8fdf9a60065b 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
kadonotakashi 0:8fdf9a60065b 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
kadonotakashi 0:8fdf9a60065b 29 */
kadonotakashi 0:8fdf9a60065b 30 #ifndef _FSL_PIT_H_
kadonotakashi 0:8fdf9a60065b 31 #define _FSL_PIT_H_
kadonotakashi 0:8fdf9a60065b 32
kadonotakashi 0:8fdf9a60065b 33 #include "fsl_common.h"
kadonotakashi 0:8fdf9a60065b 34
kadonotakashi 0:8fdf9a60065b 35 /*!
kadonotakashi 0:8fdf9a60065b 36 * @addtogroup pit_driver
kadonotakashi 0:8fdf9a60065b 37 * @{
kadonotakashi 0:8fdf9a60065b 38 */
kadonotakashi 0:8fdf9a60065b 39
kadonotakashi 0:8fdf9a60065b 40 /*! @file */
kadonotakashi 0:8fdf9a60065b 41
kadonotakashi 0:8fdf9a60065b 42 /*******************************************************************************
kadonotakashi 0:8fdf9a60065b 43 * Definitions
kadonotakashi 0:8fdf9a60065b 44 ******************************************************************************/
kadonotakashi 0:8fdf9a60065b 45
kadonotakashi 0:8fdf9a60065b 46 /*! @name Driver version */
kadonotakashi 0:8fdf9a60065b 47 /*@{*/
kadonotakashi 0:8fdf9a60065b 48 #define FSL_PIT_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) /*!< Version 2.0.0 */
kadonotakashi 0:8fdf9a60065b 49 /*@}*/
kadonotakashi 0:8fdf9a60065b 50
kadonotakashi 0:8fdf9a60065b 51 /*!
kadonotakashi 0:8fdf9a60065b 52 * @brief List of PIT channels
kadonotakashi 0:8fdf9a60065b 53 * @note Actual number of available channels is SoC dependent
kadonotakashi 0:8fdf9a60065b 54 */
kadonotakashi 0:8fdf9a60065b 55 typedef enum _pit_chnl
kadonotakashi 0:8fdf9a60065b 56 {
kadonotakashi 0:8fdf9a60065b 57 kPIT_Chnl_0 = 0U, /*!< PIT channel number 0*/
kadonotakashi 0:8fdf9a60065b 58 kPIT_Chnl_1, /*!< PIT channel number 1 */
kadonotakashi 0:8fdf9a60065b 59 kPIT_Chnl_2, /*!< PIT channel number 2 */
kadonotakashi 0:8fdf9a60065b 60 kPIT_Chnl_3, /*!< PIT channel number 3 */
kadonotakashi 0:8fdf9a60065b 61 } pit_chnl_t;
kadonotakashi 0:8fdf9a60065b 62
kadonotakashi 0:8fdf9a60065b 63 /*! @brief List of PIT interrupts */
kadonotakashi 0:8fdf9a60065b 64 typedef enum _pit_interrupt_enable
kadonotakashi 0:8fdf9a60065b 65 {
kadonotakashi 0:8fdf9a60065b 66 kPIT_TimerInterruptEnable = PIT_TCTRL_TIE_MASK, /*!< Timer interrupt enable*/
kadonotakashi 0:8fdf9a60065b 67 } pit_interrupt_enable_t;
kadonotakashi 0:8fdf9a60065b 68
kadonotakashi 0:8fdf9a60065b 69 /*! @brief List of PIT status flags */
kadonotakashi 0:8fdf9a60065b 70 typedef enum _pit_status_flags
kadonotakashi 0:8fdf9a60065b 71 {
kadonotakashi 0:8fdf9a60065b 72 kPIT_TimerFlag = PIT_TFLG_TIF_MASK, /*!< Timer flag */
kadonotakashi 0:8fdf9a60065b 73 } pit_status_flags_t;
kadonotakashi 0:8fdf9a60065b 74
kadonotakashi 0:8fdf9a60065b 75 /*!
kadonotakashi 0:8fdf9a60065b 76 * @brief PIT config structure
kadonotakashi 0:8fdf9a60065b 77 *
kadonotakashi 0:8fdf9a60065b 78 * This structure holds the configuration settings for the PIT peripheral. To initialize this
kadonotakashi 0:8fdf9a60065b 79 * structure to reasonable defaults, call the PIT_GetDefaultConfig() function and pass a
kadonotakashi 0:8fdf9a60065b 80 * pointer to your config structure instance.
kadonotakashi 0:8fdf9a60065b 81 *
kadonotakashi 0:8fdf9a60065b 82 * The config struct can be made const so it resides in flash
kadonotakashi 0:8fdf9a60065b 83 */
kadonotakashi 0:8fdf9a60065b 84 typedef struct _pit_config
kadonotakashi 0:8fdf9a60065b 85 {
kadonotakashi 0:8fdf9a60065b 86 bool enableRunInDebug; /*!< true: Timers run in debug mode; false: Timers stop in debug mode */
kadonotakashi 0:8fdf9a60065b 87 } pit_config_t;
kadonotakashi 0:8fdf9a60065b 88
kadonotakashi 0:8fdf9a60065b 89 /*******************************************************************************
kadonotakashi 0:8fdf9a60065b 90 * API
kadonotakashi 0:8fdf9a60065b 91 ******************************************************************************/
kadonotakashi 0:8fdf9a60065b 92
kadonotakashi 0:8fdf9a60065b 93 #if defined(__cplusplus)
kadonotakashi 0:8fdf9a60065b 94 extern "C" {
kadonotakashi 0:8fdf9a60065b 95 #endif
kadonotakashi 0:8fdf9a60065b 96
kadonotakashi 0:8fdf9a60065b 97 /*!
kadonotakashi 0:8fdf9a60065b 98 * @name Initialization and deinitialization
kadonotakashi 0:8fdf9a60065b 99 * @{
kadonotakashi 0:8fdf9a60065b 100 */
kadonotakashi 0:8fdf9a60065b 101
kadonotakashi 0:8fdf9a60065b 102 /*!
kadonotakashi 0:8fdf9a60065b 103 * @brief Ungates the PIT clock, enables the PIT module and configures the peripheral for basic operation.
kadonotakashi 0:8fdf9a60065b 104 *
kadonotakashi 0:8fdf9a60065b 105 * @note This API should be called at the beginning of the application using the PIT driver.
kadonotakashi 0:8fdf9a60065b 106 *
kadonotakashi 0:8fdf9a60065b 107 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 108 * @param config Pointer to user's PIT config structure
kadonotakashi 0:8fdf9a60065b 109 */
kadonotakashi 0:8fdf9a60065b 110 void PIT_Init(PIT_Type *base, const pit_config_t *config);
kadonotakashi 0:8fdf9a60065b 111
kadonotakashi 0:8fdf9a60065b 112 /*!
kadonotakashi 0:8fdf9a60065b 113 * @brief Gate the PIT clock and disable the PIT module
kadonotakashi 0:8fdf9a60065b 114 *
kadonotakashi 0:8fdf9a60065b 115 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 116 */
kadonotakashi 0:8fdf9a60065b 117 void PIT_Deinit(PIT_Type *base);
kadonotakashi 0:8fdf9a60065b 118
kadonotakashi 0:8fdf9a60065b 119 /*!
kadonotakashi 0:8fdf9a60065b 120 * @brief Fill in the PIT config struct with the default settings
kadonotakashi 0:8fdf9a60065b 121 *
kadonotakashi 0:8fdf9a60065b 122 * The default values are:
kadonotakashi 0:8fdf9a60065b 123 * @code
kadonotakashi 0:8fdf9a60065b 124 * config->enableRunInDebug = false;
kadonotakashi 0:8fdf9a60065b 125 * @endcode
kadonotakashi 0:8fdf9a60065b 126 * @param config Pointer to user's PIT config structure.
kadonotakashi 0:8fdf9a60065b 127 */
kadonotakashi 0:8fdf9a60065b 128 static inline void PIT_GetDefaultConfig(pit_config_t *config)
kadonotakashi 0:8fdf9a60065b 129 {
kadonotakashi 0:8fdf9a60065b 130 assert(config);
kadonotakashi 0:8fdf9a60065b 131
kadonotakashi 0:8fdf9a60065b 132 /* Timers are stopped in Debug mode */
kadonotakashi 0:8fdf9a60065b 133 config->enableRunInDebug = false;
kadonotakashi 0:8fdf9a60065b 134 }
kadonotakashi 0:8fdf9a60065b 135
kadonotakashi 0:8fdf9a60065b 136 #if defined(FSL_FEATURE_PIT_HAS_CHAIN_MODE) && FSL_FEATURE_PIT_HAS_CHAIN_MODE
kadonotakashi 0:8fdf9a60065b 137
kadonotakashi 0:8fdf9a60065b 138 /*!
kadonotakashi 0:8fdf9a60065b 139 * @brief Enables or disables chaining a timer with the previous timer.
kadonotakashi 0:8fdf9a60065b 140 *
kadonotakashi 0:8fdf9a60065b 141 * When a timer has a chain mode enabled, it only counts after the previous
kadonotakashi 0:8fdf9a60065b 142 * timer has expired. If the timer n-1 has counted down to 0, counter n
kadonotakashi 0:8fdf9a60065b 143 * decrements the value by one. Each timer is 32-bits, this allows the developers
kadonotakashi 0:8fdf9a60065b 144 * to chain timers together and form a longer timer (64-bits and larger). The first timer
kadonotakashi 0:8fdf9a60065b 145 * (timer 0) cannot be chained to any other timer.
kadonotakashi 0:8fdf9a60065b 146 *
kadonotakashi 0:8fdf9a60065b 147 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 148 * @param channel Timer channel number which is chained with the previous timer
kadonotakashi 0:8fdf9a60065b 149 * @param enable Enable or disable chain.
kadonotakashi 0:8fdf9a60065b 150 * true: Current timer is chained with the previous timer.
kadonotakashi 0:8fdf9a60065b 151 * false: Timer doesn't chain with other timers.
kadonotakashi 0:8fdf9a60065b 152 */
kadonotakashi 0:8fdf9a60065b 153 static inline void PIT_SetTimerChainMode(PIT_Type *base, pit_chnl_t channel, bool enable)
kadonotakashi 0:8fdf9a60065b 154 {
kadonotakashi 0:8fdf9a60065b 155 if (enable)
kadonotakashi 0:8fdf9a60065b 156 {
kadonotakashi 0:8fdf9a60065b 157 base->CHANNEL[channel].TCTRL |= PIT_TCTRL_CHN_MASK;
kadonotakashi 0:8fdf9a60065b 158 }
kadonotakashi 0:8fdf9a60065b 159 else
kadonotakashi 0:8fdf9a60065b 160 {
kadonotakashi 0:8fdf9a60065b 161 base->CHANNEL[channel].TCTRL &= ~PIT_TCTRL_CHN_MASK;
kadonotakashi 0:8fdf9a60065b 162 }
kadonotakashi 0:8fdf9a60065b 163 }
kadonotakashi 0:8fdf9a60065b 164
kadonotakashi 0:8fdf9a60065b 165 #endif /* FSL_FEATURE_PIT_HAS_CHAIN_MODE */
kadonotakashi 0:8fdf9a60065b 166
kadonotakashi 0:8fdf9a60065b 167 /*! @}*/
kadonotakashi 0:8fdf9a60065b 168
kadonotakashi 0:8fdf9a60065b 169 /*!
kadonotakashi 0:8fdf9a60065b 170 * @name Interrupt Interface
kadonotakashi 0:8fdf9a60065b 171 * @{
kadonotakashi 0:8fdf9a60065b 172 */
kadonotakashi 0:8fdf9a60065b 173
kadonotakashi 0:8fdf9a60065b 174 /*!
kadonotakashi 0:8fdf9a60065b 175 * @brief Enables the selected PIT interrupts.
kadonotakashi 0:8fdf9a60065b 176 *
kadonotakashi 0:8fdf9a60065b 177 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 178 * @param channel Timer channel number
kadonotakashi 0:8fdf9a60065b 179 * @param mask The interrupts to enable. This is a logical OR of members of the
kadonotakashi 0:8fdf9a60065b 180 * enumeration ::pit_interrupt_enable_t
kadonotakashi 0:8fdf9a60065b 181 */
kadonotakashi 0:8fdf9a60065b 182 static inline void PIT_EnableInterrupts(PIT_Type *base, pit_chnl_t channel, uint32_t mask)
kadonotakashi 0:8fdf9a60065b 183 {
kadonotakashi 0:8fdf9a60065b 184 base->CHANNEL[channel].TCTRL |= mask;
kadonotakashi 0:8fdf9a60065b 185 }
kadonotakashi 0:8fdf9a60065b 186
kadonotakashi 0:8fdf9a60065b 187 /*!
kadonotakashi 0:8fdf9a60065b 188 * @brief Disables the selected PIT interrupts.
kadonotakashi 0:8fdf9a60065b 189 *
kadonotakashi 0:8fdf9a60065b 190 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 191 * @param channel Timer channel number
kadonotakashi 0:8fdf9a60065b 192 * @param mask The interrupts to disable. This is a logical OR of members of the
kadonotakashi 0:8fdf9a60065b 193 * enumeration ::pit_interrupt_enable_t
kadonotakashi 0:8fdf9a60065b 194 */
kadonotakashi 0:8fdf9a60065b 195 static inline void PIT_DisableInterrupts(PIT_Type *base, pit_chnl_t channel, uint32_t mask)
kadonotakashi 0:8fdf9a60065b 196 {
kadonotakashi 0:8fdf9a60065b 197 base->CHANNEL[channel].TCTRL &= ~mask;
kadonotakashi 0:8fdf9a60065b 198 }
kadonotakashi 0:8fdf9a60065b 199
kadonotakashi 0:8fdf9a60065b 200 /*!
kadonotakashi 0:8fdf9a60065b 201 * @brief Gets the enabled PIT interrupts.
kadonotakashi 0:8fdf9a60065b 202 *
kadonotakashi 0:8fdf9a60065b 203 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 204 * @param channel Timer channel number
kadonotakashi 0:8fdf9a60065b 205 *
kadonotakashi 0:8fdf9a60065b 206 * @return The enabled interrupts. This is the logical OR of members of the
kadonotakashi 0:8fdf9a60065b 207 * enumeration ::pit_interrupt_enable_t
kadonotakashi 0:8fdf9a60065b 208 */
kadonotakashi 0:8fdf9a60065b 209 static inline uint32_t PIT_GetEnabledInterrupts(PIT_Type *base, pit_chnl_t channel)
kadonotakashi 0:8fdf9a60065b 210 {
kadonotakashi 0:8fdf9a60065b 211 return (base->CHANNEL[channel].TCTRL & PIT_TCTRL_TIE_MASK);
kadonotakashi 0:8fdf9a60065b 212 }
kadonotakashi 0:8fdf9a60065b 213
kadonotakashi 0:8fdf9a60065b 214 /*! @}*/
kadonotakashi 0:8fdf9a60065b 215
kadonotakashi 0:8fdf9a60065b 216 /*!
kadonotakashi 0:8fdf9a60065b 217 * @name Status Interface
kadonotakashi 0:8fdf9a60065b 218 * @{
kadonotakashi 0:8fdf9a60065b 219 */
kadonotakashi 0:8fdf9a60065b 220
kadonotakashi 0:8fdf9a60065b 221 /*!
kadonotakashi 0:8fdf9a60065b 222 * @brief Gets the PIT status flags
kadonotakashi 0:8fdf9a60065b 223 *
kadonotakashi 0:8fdf9a60065b 224 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 225 * @param channel Timer channel number
kadonotakashi 0:8fdf9a60065b 226 *
kadonotakashi 0:8fdf9a60065b 227 * @return The status flags. This is the logical OR of members of the
kadonotakashi 0:8fdf9a60065b 228 * enumeration ::pit_status_flags_t
kadonotakashi 0:8fdf9a60065b 229 */
kadonotakashi 0:8fdf9a60065b 230 static inline uint32_t PIT_GetStatusFlags(PIT_Type *base, pit_chnl_t channel)
kadonotakashi 0:8fdf9a60065b 231 {
kadonotakashi 0:8fdf9a60065b 232 return (base->CHANNEL[channel].TFLG & PIT_TFLG_TIF_MASK);
kadonotakashi 0:8fdf9a60065b 233 }
kadonotakashi 0:8fdf9a60065b 234
kadonotakashi 0:8fdf9a60065b 235 /*!
kadonotakashi 0:8fdf9a60065b 236 * @brief Clears the PIT status flags.
kadonotakashi 0:8fdf9a60065b 237 *
kadonotakashi 0:8fdf9a60065b 238 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 239 * @param channel Timer channel number
kadonotakashi 0:8fdf9a60065b 240 * @param mask The status flags to clear. This is a logical OR of members of the
kadonotakashi 0:8fdf9a60065b 241 * enumeration ::pit_status_flags_t
kadonotakashi 0:8fdf9a60065b 242 */
kadonotakashi 0:8fdf9a60065b 243 static inline void PIT_ClearStatusFlags(PIT_Type *base, pit_chnl_t channel, uint32_t mask)
kadonotakashi 0:8fdf9a60065b 244 {
kadonotakashi 0:8fdf9a60065b 245 base->CHANNEL[channel].TFLG = mask;
kadonotakashi 0:8fdf9a60065b 246 }
kadonotakashi 0:8fdf9a60065b 247
kadonotakashi 0:8fdf9a60065b 248 /*! @}*/
kadonotakashi 0:8fdf9a60065b 249
kadonotakashi 0:8fdf9a60065b 250 /*!
kadonotakashi 0:8fdf9a60065b 251 * @name Read and Write the timer period
kadonotakashi 0:8fdf9a60065b 252 * @{
kadonotakashi 0:8fdf9a60065b 253 */
kadonotakashi 0:8fdf9a60065b 254
kadonotakashi 0:8fdf9a60065b 255 /*!
kadonotakashi 0:8fdf9a60065b 256 * @brief Sets the timer period in units of count.
kadonotakashi 0:8fdf9a60065b 257 *
kadonotakashi 0:8fdf9a60065b 258 * Timers begin counting from the value set by this function until it reaches 0,
kadonotakashi 0:8fdf9a60065b 259 * then it will generate an interrupt and load this regiter value again.
kadonotakashi 0:8fdf9a60065b 260 * Writing a new value to this register will not restart the timer; instead the value
kadonotakashi 0:8fdf9a60065b 261 * will be loaded after the timer expires.
kadonotakashi 0:8fdf9a60065b 262 *
kadonotakashi 0:8fdf9a60065b 263 * @note User can call the utility macros provided in fsl_common.h to convert to ticks
kadonotakashi 0:8fdf9a60065b 264 *
kadonotakashi 0:8fdf9a60065b 265 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 266 * @param channel Timer channel number
kadonotakashi 0:8fdf9a60065b 267 * @param count Timer period in units of ticks
kadonotakashi 0:8fdf9a60065b 268 */
kadonotakashi 0:8fdf9a60065b 269 static inline void PIT_SetTimerPeriod(PIT_Type *base, pit_chnl_t channel, uint32_t count)
kadonotakashi 0:8fdf9a60065b 270 {
kadonotakashi 0:8fdf9a60065b 271 base->CHANNEL[channel].LDVAL = count;
kadonotakashi 0:8fdf9a60065b 272 }
kadonotakashi 0:8fdf9a60065b 273
kadonotakashi 0:8fdf9a60065b 274 /*!
kadonotakashi 0:8fdf9a60065b 275 * @brief Reads the current timer counting value.
kadonotakashi 0:8fdf9a60065b 276 *
kadonotakashi 0:8fdf9a60065b 277 * This function returns the real-time timer counting value, in a range from 0 to a
kadonotakashi 0:8fdf9a60065b 278 * timer period.
kadonotakashi 0:8fdf9a60065b 279 *
kadonotakashi 0:8fdf9a60065b 280 * @note User can call the utility macros provided in fsl_common.h to convert ticks to usec or msec
kadonotakashi 0:8fdf9a60065b 281 *
kadonotakashi 0:8fdf9a60065b 282 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 283 * @param channel Timer channel number
kadonotakashi 0:8fdf9a60065b 284 *
kadonotakashi 0:8fdf9a60065b 285 * @return Current timer counting value in ticks
kadonotakashi 0:8fdf9a60065b 286 */
kadonotakashi 0:8fdf9a60065b 287 static inline uint32_t PIT_GetCurrentTimerCount(PIT_Type *base, pit_chnl_t channel)
kadonotakashi 0:8fdf9a60065b 288 {
kadonotakashi 0:8fdf9a60065b 289 return base->CHANNEL[channel].CVAL;
kadonotakashi 0:8fdf9a60065b 290 }
kadonotakashi 0:8fdf9a60065b 291
kadonotakashi 0:8fdf9a60065b 292 /*! @}*/
kadonotakashi 0:8fdf9a60065b 293
kadonotakashi 0:8fdf9a60065b 294 /*!
kadonotakashi 0:8fdf9a60065b 295 * @name Timer Start and Stop
kadonotakashi 0:8fdf9a60065b 296 * @{
kadonotakashi 0:8fdf9a60065b 297 */
kadonotakashi 0:8fdf9a60065b 298
kadonotakashi 0:8fdf9a60065b 299 /*!
kadonotakashi 0:8fdf9a60065b 300 * @brief Starts the timer counting.
kadonotakashi 0:8fdf9a60065b 301 *
kadonotakashi 0:8fdf9a60065b 302 * After calling this function, timers load period value, count down to 0 and
kadonotakashi 0:8fdf9a60065b 303 * then load the respective start value again. Each time a timer reaches 0,
kadonotakashi 0:8fdf9a60065b 304 * it generates a trigger pulse and sets the timeout interrupt flag.
kadonotakashi 0:8fdf9a60065b 305 *
kadonotakashi 0:8fdf9a60065b 306 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 307 * @param channel Timer channel number.
kadonotakashi 0:8fdf9a60065b 308 */
kadonotakashi 0:8fdf9a60065b 309 static inline void PIT_StartTimer(PIT_Type *base, pit_chnl_t channel)
kadonotakashi 0:8fdf9a60065b 310 {
kadonotakashi 0:8fdf9a60065b 311 base->CHANNEL[channel].TCTRL |= PIT_TCTRL_TEN_MASK;
kadonotakashi 0:8fdf9a60065b 312 }
kadonotakashi 0:8fdf9a60065b 313
kadonotakashi 0:8fdf9a60065b 314 /*!
kadonotakashi 0:8fdf9a60065b 315 * @brief Stops the timer counting.
kadonotakashi 0:8fdf9a60065b 316 *
kadonotakashi 0:8fdf9a60065b 317 * This function stops every timer counting. Timers reload their periods
kadonotakashi 0:8fdf9a60065b 318 * respectively after the next time they call the PIT_DRV_StartTimer.
kadonotakashi 0:8fdf9a60065b 319 *
kadonotakashi 0:8fdf9a60065b 320 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 321 * @param channel Timer channel number.
kadonotakashi 0:8fdf9a60065b 322 */
kadonotakashi 0:8fdf9a60065b 323 static inline void PIT_StopTimer(PIT_Type *base, pit_chnl_t channel)
kadonotakashi 0:8fdf9a60065b 324 {
kadonotakashi 0:8fdf9a60065b 325 base->CHANNEL[channel].TCTRL &= ~PIT_TCTRL_TEN_MASK;
kadonotakashi 0:8fdf9a60065b 326 }
kadonotakashi 0:8fdf9a60065b 327
kadonotakashi 0:8fdf9a60065b 328 /*! @}*/
kadonotakashi 0:8fdf9a60065b 329
kadonotakashi 0:8fdf9a60065b 330 #if defined(FSL_FEATURE_PIT_HAS_LIFETIME_TIMER) && FSL_FEATURE_PIT_HAS_LIFETIME_TIMER
kadonotakashi 0:8fdf9a60065b 331
kadonotakashi 0:8fdf9a60065b 332 /*!
kadonotakashi 0:8fdf9a60065b 333 * @brief Reads the current lifetime counter value.
kadonotakashi 0:8fdf9a60065b 334 *
kadonotakashi 0:8fdf9a60065b 335 * The lifetime timer is a 64-bit timer which chains timer 0 and timer 1 together.
kadonotakashi 0:8fdf9a60065b 336 * Timer 0 and 1 are chained by calling the PIT_SetTimerChainMode before using this timer.
kadonotakashi 0:8fdf9a60065b 337 * The period of lifetime timer is equal to the "period of timer 0 * period of timer 1".
kadonotakashi 0:8fdf9a60065b 338 * For the 64-bit value, the higher 32-bit has the value of timer 1, and the lower 32-bit
kadonotakashi 0:8fdf9a60065b 339 * has the value of timer 0.
kadonotakashi 0:8fdf9a60065b 340 *
kadonotakashi 0:8fdf9a60065b 341 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 342 *
kadonotakashi 0:8fdf9a60065b 343 * @return Current lifetime timer value
kadonotakashi 0:8fdf9a60065b 344 */
kadonotakashi 0:8fdf9a60065b 345 uint64_t PIT_GetLifetimeTimerCount(PIT_Type *base);
kadonotakashi 0:8fdf9a60065b 346
kadonotakashi 0:8fdf9a60065b 347 #endif /* FSL_FEATURE_PIT_HAS_LIFETIME_TIMER */
kadonotakashi 0:8fdf9a60065b 348
kadonotakashi 0:8fdf9a60065b 349 #if defined(__cplusplus)
kadonotakashi 0:8fdf9a60065b 350 }
kadonotakashi 0:8fdf9a60065b 351 #endif
kadonotakashi 0:8fdf9a60065b 352
kadonotakashi 0:8fdf9a60065b 353 /*! @}*/
kadonotakashi 0:8fdf9a60065b 354
kadonotakashi 0:8fdf9a60065b 355 #endif /* _FSL_PIT_H_ */