Sergey Solodunov / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/clock/gclk.h@144:423e1876dc07, 2016-08-02 (annotated)

Committer:
screamer
Date:
Tue Aug 02 14:07:36 2016 +0000
Revision:
144:423e1876dc07
Parent:
15:a81a8d6c1dfe 
Added targets.json file for the supported targets in the release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 15:a81a8d6c1dfe 1 /**
mbed_official 15:a81a8d6c1dfe 2 * \file
mbed_official 15:a81a8d6c1dfe 3 *
mbed_official 15:a81a8d6c1dfe 4 * \brief SAM Generic Clock Driver
mbed_official 15:a81a8d6c1dfe 5 *
mbed_official 15:a81a8d6c1dfe 6 * Copyright (C) 2012-2015 Atmel Corporation. All rights reserved.
mbed_official 15:a81a8d6c1dfe 7 *
mbed_official 15:a81a8d6c1dfe 8 * \asf_license_start
mbed_official 15:a81a8d6c1dfe 9 *
mbed_official 15:a81a8d6c1dfe 10 * \page License
mbed_official 15:a81a8d6c1dfe 11 *
mbed_official 15:a81a8d6c1dfe 12 * Redistribution and use in source and binary forms, with or without
mbed_official 15:a81a8d6c1dfe 13 * modification, are permitted provided that the following conditions are met:
mbed_official 15:a81a8d6c1dfe 14 *
mbed_official 15:a81a8d6c1dfe 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 15:a81a8d6c1dfe 16 * this list of conditions and the following disclaimer.
mbed_official 15:a81a8d6c1dfe 17 *
mbed_official 15:a81a8d6c1dfe 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 15:a81a8d6c1dfe 19 * this list of conditions and the following disclaimer in the documentation
mbed_official 15:a81a8d6c1dfe 20 * and/or other materials provided with the distribution.
mbed_official 15:a81a8d6c1dfe 21 *
mbed_official 15:a81a8d6c1dfe 22 * 3. The name of Atmel may not be used to endorse or promote products derived
mbed_official 15:a81a8d6c1dfe 23 * from this software without specific prior written permission.
mbed_official 15:a81a8d6c1dfe 24 *
mbed_official 15:a81a8d6c1dfe 25 * 4. This software may only be redistributed and used in connection with an
mbed_official 15:a81a8d6c1dfe 26 * Atmel microcontroller product.
mbed_official 15:a81a8d6c1dfe 27 *
mbed_official 15:a81a8d6c1dfe 28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
mbed_official 15:a81a8d6c1dfe 29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 15:a81a8d6c1dfe 30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
mbed_official 15:a81a8d6c1dfe 31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
mbed_official 15:a81a8d6c1dfe 32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 15:a81a8d6c1dfe 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
mbed_official 15:a81a8d6c1dfe 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
mbed_official 15:a81a8d6c1dfe 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
mbed_official 15:a81a8d6c1dfe 36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
mbed_official 15:a81a8d6c1dfe 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbed_official 15:a81a8d6c1dfe 38 * POSSIBILITY OF SUCH DAMAGE.
mbed_official 15:a81a8d6c1dfe 39 *
mbed_official 15:a81a8d6c1dfe 40 * \asf_license_stop
mbed_official 15:a81a8d6c1dfe 41 *
mbed_official 15:a81a8d6c1dfe 42 */
mbed_official 15:a81a8d6c1dfe 43 /*
mbed_official 15:a81a8d6c1dfe 44 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
mbed_official 15:a81a8d6c1dfe 45 */
mbed_official 15:a81a8d6c1dfe 46 #ifndef SYSTEM_CLOCK_GCLK_H_INCLUDED
mbed_official 15:a81a8d6c1dfe 47 #define SYSTEM_CLOCK_GCLK_H_INCLUDED
mbed_official 15:a81a8d6c1dfe 48
mbed_official 15:a81a8d6c1dfe 49 /**
mbed_official 15:a81a8d6c1dfe 50 * \addtogroup asfdoc_sam0_system_clock_group
mbed_official 15:a81a8d6c1dfe 51 *
mbed_official 15:a81a8d6c1dfe 52 * @{
mbed_official 15:a81a8d6c1dfe 53 */
mbed_official 15:a81a8d6c1dfe 54
mbed_official 15:a81a8d6c1dfe 55 #include <compiler.h>
mbed_official 15:a81a8d6c1dfe 56
mbed_official 15:a81a8d6c1dfe 57 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 58 extern "C" {
mbed_official 15:a81a8d6c1dfe 59 #endif
mbed_official 15:a81a8d6c1dfe 60
mbed_official 15:a81a8d6c1dfe 61 /**
mbed_official 15:a81a8d6c1dfe 62 * \brief List of available GCLK generators.
mbed_official 15:a81a8d6c1dfe 63 *
mbed_official 15:a81a8d6c1dfe 64 * List of Available GCLK generators. This enum is used in the peripheral
mbed_official 15:a81a8d6c1dfe 65 * device drivers to select the GCLK generator to be used for its operation.
mbed_official 15:a81a8d6c1dfe 66 *
mbed_official 15:a81a8d6c1dfe 67 * The number of GCLK generators available is device dependent.
mbed_official 15:a81a8d6c1dfe 68 */
mbed_official 15:a81a8d6c1dfe 69 enum gclk_generator {
mbed_official 15:a81a8d6c1dfe 70 /** GCLK generator channel 0 */
mbed_official 15:a81a8d6c1dfe 71 GCLK_GENERATOR_0,
mbed_official 15:a81a8d6c1dfe 72 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 0)
mbed_official 15:a81a8d6c1dfe 73 /** GCLK generator channel 1 */
mbed_official 15:a81a8d6c1dfe 74 GCLK_GENERATOR_1,
mbed_official 15:a81a8d6c1dfe 75 #endif
mbed_official 15:a81a8d6c1dfe 76 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 1)
mbed_official 15:a81a8d6c1dfe 77 /** GCLK generator channel 2 */
mbed_official 15:a81a8d6c1dfe 78 GCLK_GENERATOR_2,
mbed_official 15:a81a8d6c1dfe 79 #endif
mbed_official 15:a81a8d6c1dfe 80 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 2)
mbed_official 15:a81a8d6c1dfe 81 /** GCLK generator channel 3 */
mbed_official 15:a81a8d6c1dfe 82 GCLK_GENERATOR_3,
mbed_official 15:a81a8d6c1dfe 83 #endif
mbed_official 15:a81a8d6c1dfe 84 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 3)
mbed_official 15:a81a8d6c1dfe 85 /** GCLK generator channel 4 */
mbed_official 15:a81a8d6c1dfe 86 GCLK_GENERATOR_4,
mbed_official 15:a81a8d6c1dfe 87 #endif
mbed_official 15:a81a8d6c1dfe 88 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 4)
mbed_official 15:a81a8d6c1dfe 89 /** GCLK generator channel 5 */
mbed_official 15:a81a8d6c1dfe 90 GCLK_GENERATOR_5,
mbed_official 15:a81a8d6c1dfe 91 #endif
mbed_official 15:a81a8d6c1dfe 92 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 5)
mbed_official 15:a81a8d6c1dfe 93 /** GCLK generator channel 6 */
mbed_official 15:a81a8d6c1dfe 94 GCLK_GENERATOR_6,
mbed_official 15:a81a8d6c1dfe 95 #endif
mbed_official 15:a81a8d6c1dfe 96 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 6)
mbed_official 15:a81a8d6c1dfe 97 /** GCLK generator channel 7 */
mbed_official 15:a81a8d6c1dfe 98 GCLK_GENERATOR_7,
mbed_official 15:a81a8d6c1dfe 99 #endif
mbed_official 15:a81a8d6c1dfe 100 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 7)
mbed_official 15:a81a8d6c1dfe 101 /** GCLK generator channel 8 */
mbed_official 15:a81a8d6c1dfe 102 GCLK_GENERATOR_8,
mbed_official 15:a81a8d6c1dfe 103 #endif
mbed_official 15:a81a8d6c1dfe 104 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 8)
mbed_official 15:a81a8d6c1dfe 105 /** GCLK generator channel 9 */
mbed_official 15:a81a8d6c1dfe 106 GCLK_GENERATOR_9,
mbed_official 15:a81a8d6c1dfe 107 #endif
mbed_official 15:a81a8d6c1dfe 108 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 9)
mbed_official 15:a81a8d6c1dfe 109 /** GCLK generator channel 10 */
mbed_official 15:a81a8d6c1dfe 110 GCLK_GENERATOR_10,
mbed_official 15:a81a8d6c1dfe 111 #endif
mbed_official 15:a81a8d6c1dfe 112 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 10)
mbed_official 15:a81a8d6c1dfe 113 /** GCLK generator channel 11 */
mbed_official 15:a81a8d6c1dfe 114 GCLK_GENERATOR_11,
mbed_official 15:a81a8d6c1dfe 115 #endif
mbed_official 15:a81a8d6c1dfe 116 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 11)
mbed_official 15:a81a8d6c1dfe 117 /** GCLK generator channel 12 */
mbed_official 15:a81a8d6c1dfe 118 GCLK_GENERATOR_12,
mbed_official 15:a81a8d6c1dfe 119 #endif
mbed_official 15:a81a8d6c1dfe 120 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 12)
mbed_official 15:a81a8d6c1dfe 121 /** GCLK generator channel 13 */
mbed_official 15:a81a8d6c1dfe 122 GCLK_GENERATOR_13,
mbed_official 15:a81a8d6c1dfe 123 #endif
mbed_official 15:a81a8d6c1dfe 124 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 13)
mbed_official 15:a81a8d6c1dfe 125 /** GCLK generator channel 14 */
mbed_official 15:a81a8d6c1dfe 126 GCLK_GENERATOR_14,
mbed_official 15:a81a8d6c1dfe 127 #endif
mbed_official 15:a81a8d6c1dfe 128 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 14)
mbed_official 15:a81a8d6c1dfe 129 /** GCLK generator channel 15 */
mbed_official 15:a81a8d6c1dfe 130 GCLK_GENERATOR_15,
mbed_official 15:a81a8d6c1dfe 131 #endif
mbed_official 15:a81a8d6c1dfe 132 #if defined(__DOXYGEN__) || (GCLK_GEN_NUM_MSB > 15)
mbed_official 15:a81a8d6c1dfe 133 /** GCLK generator channel 16 */
mbed_official 15:a81a8d6c1dfe 134 GCLK_GENERATOR_16,
mbed_official 15:a81a8d6c1dfe 135 #endif
mbed_official 15:a81a8d6c1dfe 136 };
mbed_official 15:a81a8d6c1dfe 137
mbed_official 15:a81a8d6c1dfe 138 /**
mbed_official 15:a81a8d6c1dfe 139 * \brief Generic Clock Generator configuration structure.
mbed_official 15:a81a8d6c1dfe 140 *
mbed_official 15:a81a8d6c1dfe 141 * Configuration structure for a Generic Clock Generator channel. This
mbed_official 15:a81a8d6c1dfe 142 * structure should be initialized by the
mbed_official 15:a81a8d6c1dfe 143 * \ref system_gclk_gen_get_config_defaults() function before being modified by
mbed_official 15:a81a8d6c1dfe 144 * the user application.
mbed_official 15:a81a8d6c1dfe 145 */
mbed_official 15:a81a8d6c1dfe 146 struct system_gclk_gen_config {
mbed_official 15:a81a8d6c1dfe 147 /** Source clock input channel index, see the \ref system_clock_source */
mbed_official 15:a81a8d6c1dfe 148 uint8_t source_clock;
mbed_official 15:a81a8d6c1dfe 149 /** If \c true, the generator output level is high when disabled */
mbed_official 15:a81a8d6c1dfe 150 bool high_when_disabled;
mbed_official 15:a81a8d6c1dfe 151 /** Integer division factor of the clock output compared to the input */
mbed_official 15:a81a8d6c1dfe 152 uint32_t division_factor;
mbed_official 15:a81a8d6c1dfe 153 /** If \c true, the clock is kept enabled during device standby mode */
mbed_official 15:a81a8d6c1dfe 154 bool run_in_standby;
mbed_official 15:a81a8d6c1dfe 155 /** If \c true, enables GCLK generator clock output to a GPIO pin */
mbed_official 15:a81a8d6c1dfe 156 bool output_enable;
mbed_official 15:a81a8d6c1dfe 157 };
mbed_official 15:a81a8d6c1dfe 158
mbed_official 15:a81a8d6c1dfe 159 /**
mbed_official 15:a81a8d6c1dfe 160 * \brief Generic Clock configuration structure.
mbed_official 15:a81a8d6c1dfe 161 *
mbed_official 15:a81a8d6c1dfe 162 * Configuration structure for a Generic Clock channel. This structure
mbed_official 15:a81a8d6c1dfe 163 * should be initialized by the \ref system_gclk_chan_get_config_defaults()
mbed_official 15:a81a8d6c1dfe 164 * function before being modified by the user application.
mbed_official 15:a81a8d6c1dfe 165 */
mbed_official 15:a81a8d6c1dfe 166 struct system_gclk_chan_config {
mbed_official 15:a81a8d6c1dfe 167 /** Generic Clock Generator source channel */
mbed_official 15:a81a8d6c1dfe 168 enum gclk_generator source_generator;
mbed_official 15:a81a8d6c1dfe 169 };
mbed_official 15:a81a8d6c1dfe 170
mbed_official 15:a81a8d6c1dfe 171 /** \name Generic Clock Management
mbed_official 15:a81a8d6c1dfe 172 * @{
mbed_official 15:a81a8d6c1dfe 173 */
mbed_official 15:a81a8d6c1dfe 174 void system_gclk_init(void);
mbed_official 15:a81a8d6c1dfe 175
mbed_official 15:a81a8d6c1dfe 176 /** @} */
mbed_official 15:a81a8d6c1dfe 177
mbed_official 15:a81a8d6c1dfe 178
mbed_official 15:a81a8d6c1dfe 179 /**
mbed_official 15:a81a8d6c1dfe 180 * \name Generic Clock Management (Generators)
mbed_official 15:a81a8d6c1dfe 181 * @{
mbed_official 15:a81a8d6c1dfe 182 */
mbed_official 15:a81a8d6c1dfe 183
mbed_official 15:a81a8d6c1dfe 184 /**
mbed_official 15:a81a8d6c1dfe 185 * \brief Initializes a Generic Clock Generator configuration structure to defaults.
mbed_official 15:a81a8d6c1dfe 186 *
mbed_official 15:a81a8d6c1dfe 187 * Initializes a given Generic Clock Generator configuration structure to
mbed_official 15:a81a8d6c1dfe 188 * a set of known default values. This function should be called on all
mbed_official 15:a81a8d6c1dfe 189 * new instances of these configuration structures before being modified
mbed_official 15:a81a8d6c1dfe 190 * by the user application.
mbed_official 15:a81a8d6c1dfe 191 *
mbed_official 15:a81a8d6c1dfe 192 * The default configuration is:
mbed_official 15:a81a8d6c1dfe 193 * \li Clock is generated undivided from the source frequency
mbed_official 15:a81a8d6c1dfe 194 * \li Clock generator output is low when the generator is disabled
mbed_official 15:a81a8d6c1dfe 195 * \li The input clock is sourced from input clock channel 0
mbed_official 15:a81a8d6c1dfe 196 * \li Clock will be disabled during sleep
mbed_official 15:a81a8d6c1dfe 197 * \li The clock output will not be routed to a physical GPIO pin
mbed_official 15:a81a8d6c1dfe 198 *
mbed_official 15:a81a8d6c1dfe 199 * \param[out] config Configuration structure to initialize to default values
mbed_official 15:a81a8d6c1dfe 200 */
mbed_official 15:a81a8d6c1dfe 201 static inline void system_gclk_gen_get_config_defaults(
mbed_official 15:a81a8d6c1dfe 202 struct system_gclk_gen_config *const config)
mbed_official 15:a81a8d6c1dfe 203 {
mbed_official 15:a81a8d6c1dfe 204 /* Sanity check arguments */
mbed_official 15:a81a8d6c1dfe 205 Assert(config);
mbed_official 15:a81a8d6c1dfe 206
mbed_official 15:a81a8d6c1dfe 207 /* Default configuration values */
mbed_official 15:a81a8d6c1dfe 208 config->division_factor = 1;
mbed_official 15:a81a8d6c1dfe 209 config->high_when_disabled = false;
mbed_official 15:a81a8d6c1dfe 210 #if SAML21
mbed_official 15:a81a8d6c1dfe 211 config->source_clock = GCLK_SOURCE_OSC16M;
mbed_official 15:a81a8d6c1dfe 212 #elif (SAMC20) || (SAMC21)
mbed_official 15:a81a8d6c1dfe 213 config->source_clock = GCLK_SOURCE_OSC48M;
mbed_official 15:a81a8d6c1dfe 214 #else
mbed_official 15:a81a8d6c1dfe 215 config->source_clock = GCLK_SOURCE_OSC8M;
mbed_official 15:a81a8d6c1dfe 216 #endif
mbed_official 15:a81a8d6c1dfe 217 config->run_in_standby = false;
mbed_official 15:a81a8d6c1dfe 218 config->output_enable = false;
mbed_official 15:a81a8d6c1dfe 219 }
mbed_official 15:a81a8d6c1dfe 220
mbed_official 15:a81a8d6c1dfe 221 void system_gclk_gen_set_config(
mbed_official 15:a81a8d6c1dfe 222 const uint8_t generator,
mbed_official 15:a81a8d6c1dfe 223 struct system_gclk_gen_config *const config);
mbed_official 15:a81a8d6c1dfe 224
mbed_official 15:a81a8d6c1dfe 225 void system_gclk_gen_enable(
mbed_official 15:a81a8d6c1dfe 226 const uint8_t generator);
mbed_official 15:a81a8d6c1dfe 227
mbed_official 15:a81a8d6c1dfe 228 void system_gclk_gen_disable(
mbed_official 15:a81a8d6c1dfe 229 const uint8_t generator);
mbed_official 15:a81a8d6c1dfe 230
mbed_official 15:a81a8d6c1dfe 231 bool system_gclk_gen_is_enabled(
mbed_official 15:a81a8d6c1dfe 232 const uint8_t generator);
mbed_official 15:a81a8d6c1dfe 233
mbed_official 15:a81a8d6c1dfe 234 /** @} */
mbed_official 15:a81a8d6c1dfe 235
mbed_official 15:a81a8d6c1dfe 236
mbed_official 15:a81a8d6c1dfe 237 /**
mbed_official 15:a81a8d6c1dfe 238 * \name Generic Clock Management (Channels)
mbed_official 15:a81a8d6c1dfe 239 * @{
mbed_official 15:a81a8d6c1dfe 240 */
mbed_official 15:a81a8d6c1dfe 241
mbed_official 15:a81a8d6c1dfe 242 /**
mbed_official 15:a81a8d6c1dfe 243 * \brief Initializes a Generic Clock configuration structure to defaults.
mbed_official 15:a81a8d6c1dfe 244 *
mbed_official 15:a81a8d6c1dfe 245 * Initializes a given Generic Clock configuration structure to a set of
mbed_official 15:a81a8d6c1dfe 246 * known default values. This function should be called on all new
mbed_official 15:a81a8d6c1dfe 247 * instances of these configuration structures before being modified by the
mbed_official 15:a81a8d6c1dfe 248 * user application.
mbed_official 15:a81a8d6c1dfe 249 *
mbed_official 15:a81a8d6c1dfe 250 * The default configuration is as follows:
mbed_official 15:a81a8d6c1dfe 251 * \li Clock is sourced from the Generic Clock Generator channel 0
mbed_official 15:a81a8d6c1dfe 252 * \li Clock configuration will not be write-locked when set
mbed_official 15:a81a8d6c1dfe 253 *
mbed_official 15:a81a8d6c1dfe 254 * \param[out] config Configuration structure to initialize to default values
mbed_official 15:a81a8d6c1dfe 255 */
mbed_official 15:a81a8d6c1dfe 256 static inline void system_gclk_chan_get_config_defaults(
mbed_official 15:a81a8d6c1dfe 257 struct system_gclk_chan_config *const config)
mbed_official 15:a81a8d6c1dfe 258 {
mbed_official 15:a81a8d6c1dfe 259 /* Sanity check arguments */
mbed_official 15:a81a8d6c1dfe 260 Assert(config);
mbed_official 15:a81a8d6c1dfe 261
mbed_official 15:a81a8d6c1dfe 262 /* Default configuration values */
mbed_official 15:a81a8d6c1dfe 263 config->source_generator = GCLK_GENERATOR_0;
mbed_official 15:a81a8d6c1dfe 264 }
mbed_official 15:a81a8d6c1dfe 265
mbed_official 15:a81a8d6c1dfe 266 void system_gclk_chan_set_config(
mbed_official 15:a81a8d6c1dfe 267 const uint8_t channel,
mbed_official 15:a81a8d6c1dfe 268 struct system_gclk_chan_config *const config);
mbed_official 15:a81a8d6c1dfe 269
mbed_official 15:a81a8d6c1dfe 270 void system_gclk_chan_enable(
mbed_official 15:a81a8d6c1dfe 271 const uint8_t channel);
mbed_official 15:a81a8d6c1dfe 272
mbed_official 15:a81a8d6c1dfe 273 void system_gclk_chan_disable(
mbed_official 15:a81a8d6c1dfe 274 const uint8_t channel);
mbed_official 15:a81a8d6c1dfe 275
mbed_official 15:a81a8d6c1dfe 276 bool system_gclk_chan_is_enabled(
mbed_official 15:a81a8d6c1dfe 277 const uint8_t channel);
mbed_official 15:a81a8d6c1dfe 278
mbed_official 15:a81a8d6c1dfe 279 void system_gclk_chan_lock(
mbed_official 15:a81a8d6c1dfe 280 const uint8_t channel);
mbed_official 15:a81a8d6c1dfe 281
mbed_official 15:a81a8d6c1dfe 282 bool system_gclk_chan_is_locked(
mbed_official 15:a81a8d6c1dfe 283 const uint8_t channel);
mbed_official 15:a81a8d6c1dfe 284
mbed_official 15:a81a8d6c1dfe 285 /** @} */
mbed_official 15:a81a8d6c1dfe 286
mbed_official 15:a81a8d6c1dfe 287
mbed_official 15:a81a8d6c1dfe 288 /**
mbed_official 15:a81a8d6c1dfe 289 * \name Generic Clock Frequency Retrieval
mbed_official 15:a81a8d6c1dfe 290 * @{
mbed_official 15:a81a8d6c1dfe 291 */
mbed_official 15:a81a8d6c1dfe 292
mbed_official 15:a81a8d6c1dfe 293 uint32_t system_gclk_gen_get_hz(
mbed_official 15:a81a8d6c1dfe 294 const uint8_t generator);
mbed_official 15:a81a8d6c1dfe 295
mbed_official 15:a81a8d6c1dfe 296 uint32_t system_gclk_chan_get_hz(
mbed_official 15:a81a8d6c1dfe 297 const uint8_t channel);
mbed_official 15:a81a8d6c1dfe 298
mbed_official 15:a81a8d6c1dfe 299 /** @} */
mbed_official 15:a81a8d6c1dfe 300
mbed_official 15:a81a8d6c1dfe 301 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 302 }
mbed_official 15:a81a8d6c1dfe 303 #endif
mbed_official 15:a81a8d6c1dfe 304
mbed_official 15:a81a8d6c1dfe 305 /** @} */
mbed_official 15:a81a8d6c1dfe 306
mbed_official 15:a81a8d6c1dfe 307 #endif