mbed library sources. Supersedes mbed-src.
Fork of mbed-dev by
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?
User | Revision | Line number | New 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 |