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Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_STM/TARGET_STM32F0/us_ticker.c@469:fc4922e0c183, 2015-02-09 (annotated)

Committer:
mbed_official
Date:
Mon Feb 09 09:30:07 2015 +0000
Revision:
469:fc4922e0c183
Child:
583:967d0d8b7aed
Synchronized with git revision 06e2b3c8802cb4f78e9958ba9923755bd458e8b7



Full URL: https://github.com/mbedmicro/mbed/commit/06e2b3c8802cb4f78e9958ba9923755bd458e8b7/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 469:fc4922e0c183 1 /* mbed Microcontroller Library
mbed_official 469:fc4922e0c183 2 * Copyright (c) 2014, STMicroelectronics
mbed_official 469:fc4922e0c183 3 * All rights reserved.
mbed_official 469:fc4922e0c183 4 *
mbed_official 469:fc4922e0c183 5 * Redistribution and use in source and binary forms, with or without
mbed_official 469:fc4922e0c183 6 * modification, are permitted provided that the following conditions are met:
mbed_official 469:fc4922e0c183 7 *
mbed_official 469:fc4922e0c183 8 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 469:fc4922e0c183 9 * this list of conditions and the following disclaimer.
mbed_official 469:fc4922e0c183 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 469:fc4922e0c183 11 * this list of conditions and the following disclaimer in the documentation
mbed_official 469:fc4922e0c183 12 * and/or other materials provided with the distribution.
mbed_official 469:fc4922e0c183 13 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 469:fc4922e0c183 14 * may be used to endorse or promote products derived from this software
mbed_official 469:fc4922e0c183 15 * without specific prior written permission.
mbed_official 469:fc4922e0c183 16 *
mbed_official 469:fc4922e0c183 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 469:fc4922e0c183 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 469:fc4922e0c183 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 469:fc4922e0c183 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 469:fc4922e0c183 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 469:fc4922e0c183 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 469:fc4922e0c183 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 469:fc4922e0c183 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 469:fc4922e0c183 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 469:fc4922e0c183 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 469:fc4922e0c183 27 */
mbed_official 469:fc4922e0c183 28 #include <stddef.h>
mbed_official 469:fc4922e0c183 29 #include "us_ticker_api.h"
mbed_official 469:fc4922e0c183 30 #include "PeripheralNames.h"
mbed_official 469:fc4922e0c183 31
mbed_official 469:fc4922e0c183 32 #if defined(TARGET_STM32F070RB)
mbed_official 469:fc4922e0c183 33
mbed_official 469:fc4922e0c183 34 // Timer selection
mbed_official 469:fc4922e0c183 35 #define TIM_MST TIM1
mbed_official 469:fc4922e0c183 36
mbed_official 469:fc4922e0c183 37 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 469:fc4922e0c183 38 static int us_ticker_inited = 0;
mbed_official 469:fc4922e0c183 39
mbed_official 469:fc4922e0c183 40 volatile uint32_t SlaveCounter = 0;
mbed_official 469:fc4922e0c183 41 volatile uint32_t oc_int_part = 0;
mbed_official 469:fc4922e0c183 42 volatile uint16_t oc_rem_part = 0;
mbed_official 469:fc4922e0c183 43
mbed_official 469:fc4922e0c183 44 void set_compare(uint16_t count)
mbed_official 469:fc4922e0c183 45 {
mbed_official 469:fc4922e0c183 46 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 47 // Set new output compare value
mbed_official 469:fc4922e0c183 48 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
mbed_official 469:fc4922e0c183 49 // Enable IT
mbed_official 469:fc4922e0c183 50 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 469:fc4922e0c183 51 }
mbed_official 469:fc4922e0c183 52
mbed_official 469:fc4922e0c183 53 void us_ticker_init(void)
mbed_official 469:fc4922e0c183 54 {
mbed_official 469:fc4922e0c183 55 if (us_ticker_inited) return;
mbed_official 469:fc4922e0c183 56 us_ticker_inited = 1;
mbed_official 469:fc4922e0c183 57
mbed_official 469:fc4922e0c183 58 HAL_InitTick(0); // The passed value is not used
mbed_official 469:fc4922e0c183 59 }
mbed_official 469:fc4922e0c183 60
mbed_official 469:fc4922e0c183 61 uint32_t us_ticker_read()
mbed_official 469:fc4922e0c183 62 {
mbed_official 469:fc4922e0c183 63 uint32_t counter, counter2;
mbed_official 469:fc4922e0c183 64 if (!us_ticker_inited) us_ticker_init();
mbed_official 469:fc4922e0c183 65 // A situation might appear when Master overflows right after Slave is read and before the
mbed_official 469:fc4922e0c183 66 // new (overflowed) value of Master is read. Which would make the code below consider the
mbed_official 469:fc4922e0c183 67 // previous (incorrect) value of Slave and the new value of Master, which would return a
mbed_official 469:fc4922e0c183 68 // value in the past. Avoid this by computing consecutive values of the timer until they
mbed_official 469:fc4922e0c183 69 // are properly ordered.
mbed_official 469:fc4922e0c183 70 counter = (uint32_t)(SlaveCounter << 16);
mbed_official 469:fc4922e0c183 71 counter += TIM_MST->CNT;
mbed_official 469:fc4922e0c183 72 while (1) {
mbed_official 469:fc4922e0c183 73 counter2 = (uint32_t)(SlaveCounter << 16);
mbed_official 469:fc4922e0c183 74 counter2 += TIM_MST->CNT;
mbed_official 469:fc4922e0c183 75 if (counter2 > counter) {
mbed_official 469:fc4922e0c183 76 break;
mbed_official 469:fc4922e0c183 77 }
mbed_official 469:fc4922e0c183 78 counter = counter2;
mbed_official 469:fc4922e0c183 79 }
mbed_official 469:fc4922e0c183 80 return counter2;
mbed_official 469:fc4922e0c183 81 }
mbed_official 469:fc4922e0c183 82
mbed_official 469:fc4922e0c183 83 void us_ticker_set_interrupt(timestamp_t timestamp)
mbed_official 469:fc4922e0c183 84 {
mbed_official 469:fc4922e0c183 85 int delta = (int)((uint32_t)timestamp - us_ticker_read());
mbed_official 469:fc4922e0c183 86 uint16_t cval = TIM_MST->CNT;
mbed_official 469:fc4922e0c183 87
mbed_official 469:fc4922e0c183 88 if (delta <= 0) { // This event was in the past
mbed_official 469:fc4922e0c183 89 us_ticker_irq_handler();
mbed_official 469:fc4922e0c183 90 } else {
mbed_official 469:fc4922e0c183 91 oc_int_part = (uint32_t)(delta >> 16);
mbed_official 469:fc4922e0c183 92 oc_rem_part = (uint16_t)(delta & 0xFFFF);
mbed_official 469:fc4922e0c183 93 if (oc_rem_part <= (0xFFFF - cval)) {
mbed_official 469:fc4922e0c183 94 set_compare(cval + oc_rem_part);
mbed_official 469:fc4922e0c183 95 oc_rem_part = 0;
mbed_official 469:fc4922e0c183 96 } else {
mbed_official 469:fc4922e0c183 97 set_compare(0xFFFF);
mbed_official 469:fc4922e0c183 98 oc_rem_part = oc_rem_part - (0xFFFF - cval);
mbed_official 469:fc4922e0c183 99 }
mbed_official 469:fc4922e0c183 100 }
mbed_official 469:fc4922e0c183 101 }
mbed_official 469:fc4922e0c183 102
mbed_official 469:fc4922e0c183 103 void us_ticker_disable_interrupt(void)
mbed_official 469:fc4922e0c183 104 {
mbed_official 469:fc4922e0c183 105 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 106 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 469:fc4922e0c183 107 }
mbed_official 469:fc4922e0c183 108
mbed_official 469:fc4922e0c183 109 void us_ticker_clear_interrupt(void)
mbed_official 469:fc4922e0c183 110 {
mbed_official 469:fc4922e0c183 111 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 112 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
mbed_official 469:fc4922e0c183 113 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
mbed_official 469:fc4922e0c183 114 }
mbed_official 469:fc4922e0c183 115 }
mbed_official 469:fc4922e0c183 116
mbed_official 469:fc4922e0c183 117 #elif defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8)
mbed_official 469:fc4922e0c183 118
mbed_official 469:fc4922e0c183 119 // Timer selection:
mbed_official 469:fc4922e0c183 120 #define TIM_MST TIM1
mbed_official 469:fc4922e0c183 121 #define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn
mbed_official 469:fc4922e0c183 122 #define TIM_MST_OC_IRQ TIM1_CC_IRQn
mbed_official 469:fc4922e0c183 123 #define TIM_MST_RCC __TIM1_CLK_ENABLE()
mbed_official 469:fc4922e0c183 124
mbed_official 469:fc4922e0c183 125 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 469:fc4922e0c183 126
mbed_official 469:fc4922e0c183 127
mbed_official 469:fc4922e0c183 128 static int us_ticker_inited = 0;
mbed_official 469:fc4922e0c183 129 static volatile uint32_t SlaveCounter = 0;
mbed_official 469:fc4922e0c183 130 static volatile uint32_t oc_int_part = 0;
mbed_official 469:fc4922e0c183 131 static volatile uint16_t oc_rem_part = 0;
mbed_official 469:fc4922e0c183 132
mbed_official 469:fc4922e0c183 133 void set_compare(uint16_t count)
mbed_official 469:fc4922e0c183 134 {
mbed_official 469:fc4922e0c183 135 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 136
mbed_official 469:fc4922e0c183 137 // Set new output compare value
mbed_official 469:fc4922e0c183 138 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
mbed_official 469:fc4922e0c183 139 // Enable IT
mbed_official 469:fc4922e0c183 140 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 469:fc4922e0c183 141 }
mbed_official 469:fc4922e0c183 142
mbed_official 469:fc4922e0c183 143 // Used to increment the slave counter
mbed_official 469:fc4922e0c183 144 static void tim_update_irq_handler(void)
mbed_official 469:fc4922e0c183 145 {
mbed_official 469:fc4922e0c183 146 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 147
mbed_official 469:fc4922e0c183 148 // Clear Update interrupt flag
mbed_official 469:fc4922e0c183 149 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
mbed_official 469:fc4922e0c183 150 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE);
mbed_official 469:fc4922e0c183 151 SlaveCounter++;
mbed_official 469:fc4922e0c183 152 }
mbed_official 469:fc4922e0c183 153 }
mbed_official 469:fc4922e0c183 154
mbed_official 469:fc4922e0c183 155 // Used by interrupt system
mbed_official 469:fc4922e0c183 156 static void tim_oc_irq_handler(void)
mbed_official 469:fc4922e0c183 157 {
mbed_official 469:fc4922e0c183 158 uint16_t cval = TIM_MST->CNT;
mbed_official 469:fc4922e0c183 159 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 160
mbed_official 469:fc4922e0c183 161 // Clear CC1 interrupt flag
mbed_official 469:fc4922e0c183 162 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
mbed_official 469:fc4922e0c183 163 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
mbed_official 469:fc4922e0c183 164 }
mbed_official 469:fc4922e0c183 165 if (oc_rem_part > 0) {
mbed_official 469:fc4922e0c183 166 set_compare(oc_rem_part); // Finish the remaining time left
mbed_official 469:fc4922e0c183 167 oc_rem_part = 0;
mbed_official 469:fc4922e0c183 168 } else {
mbed_official 469:fc4922e0c183 169 if (oc_int_part > 0) {
mbed_official 469:fc4922e0c183 170 set_compare(0xFFFF);
mbed_official 469:fc4922e0c183 171 oc_rem_part = cval; // To finish the counter loop the next time
mbed_official 469:fc4922e0c183 172 oc_int_part--;
mbed_official 469:fc4922e0c183 173 } else {
mbed_official 469:fc4922e0c183 174 us_ticker_irq_handler();
mbed_official 469:fc4922e0c183 175 }
mbed_official 469:fc4922e0c183 176 }
mbed_official 469:fc4922e0c183 177
mbed_official 469:fc4922e0c183 178 }
mbed_official 469:fc4922e0c183 179
mbed_official 469:fc4922e0c183 180 void us_ticker_init(void)
mbed_official 469:fc4922e0c183 181 {
mbed_official 469:fc4922e0c183 182
mbed_official 469:fc4922e0c183 183 if (us_ticker_inited) return;
mbed_official 469:fc4922e0c183 184 us_ticker_inited = 1;
mbed_official 469:fc4922e0c183 185
mbed_official 469:fc4922e0c183 186 // Enable timer clock
mbed_official 469:fc4922e0c183 187 TIM_MST_RCC;
mbed_official 469:fc4922e0c183 188
mbed_official 469:fc4922e0c183 189 // Configure time base
mbed_official 469:fc4922e0c183 190 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 191 TimMasterHandle.Init.Period = 0xFFFF;
mbed_official 469:fc4922e0c183 192 TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 �s tick
mbed_official 469:fc4922e0c183 193 TimMasterHandle.Init.ClockDivision = 0;
mbed_official 469:fc4922e0c183 194 TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
mbed_official 469:fc4922e0c183 195 HAL_TIM_Base_Init(&TimMasterHandle);
mbed_official 469:fc4922e0c183 196
mbed_official 469:fc4922e0c183 197 // Configure interrupts
mbed_official 469:fc4922e0c183 198 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE);
mbed_official 469:fc4922e0c183 199
mbed_official 469:fc4922e0c183 200 // Update interrupt used for 32-bit counter
mbed_official 469:fc4922e0c183 201 NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler);
mbed_official 469:fc4922e0c183 202 NVIC_EnableIRQ(TIM_MST_UP_IRQ);
mbed_official 469:fc4922e0c183 203
mbed_official 469:fc4922e0c183 204 // Output compare interrupt used for timeout feature
mbed_official 469:fc4922e0c183 205 NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler);
mbed_official 469:fc4922e0c183 206 NVIC_EnableIRQ(TIM_MST_OC_IRQ);
mbed_official 469:fc4922e0c183 207
mbed_official 469:fc4922e0c183 208 // Enable timer
mbed_official 469:fc4922e0c183 209 HAL_TIM_Base_Start(&TimMasterHandle);
mbed_official 469:fc4922e0c183 210 }
mbed_official 469:fc4922e0c183 211
mbed_official 469:fc4922e0c183 212 uint32_t us_ticker_read()
mbed_official 469:fc4922e0c183 213 {
mbed_official 469:fc4922e0c183 214 uint32_t counter, counter2;
mbed_official 469:fc4922e0c183 215 if (!us_ticker_inited) us_ticker_init();
mbed_official 469:fc4922e0c183 216 // A situation might appear when Master overflows right after Slave is read and before the
mbed_official 469:fc4922e0c183 217 // new (overflowed) value of Master is read. Which would make the code below consider the
mbed_official 469:fc4922e0c183 218 // previous (incorrect) value of Slave and the new value of Master, which would return a
mbed_official 469:fc4922e0c183 219 // value in the past. Avoid this by computing consecutive values of the timer until they
mbed_official 469:fc4922e0c183 220 // are properly ordered.
mbed_official 469:fc4922e0c183 221 counter = (uint32_t)(SlaveCounter << 16);
mbed_official 469:fc4922e0c183 222 counter += TIM_MST->CNT;
mbed_official 469:fc4922e0c183 223 while (1) {
mbed_official 469:fc4922e0c183 224 counter2 = (uint32_t)(SlaveCounter << 16);
mbed_official 469:fc4922e0c183 225 counter2 += TIM_MST->CNT;
mbed_official 469:fc4922e0c183 226 if (counter2 > counter) {
mbed_official 469:fc4922e0c183 227 break;
mbed_official 469:fc4922e0c183 228 }
mbed_official 469:fc4922e0c183 229 counter = counter2;
mbed_official 469:fc4922e0c183 230 }
mbed_official 469:fc4922e0c183 231 return counter2;
mbed_official 469:fc4922e0c183 232 }
mbed_official 469:fc4922e0c183 233
mbed_official 469:fc4922e0c183 234 void us_ticker_set_interrupt(timestamp_t timestamp)
mbed_official 469:fc4922e0c183 235 {
mbed_official 469:fc4922e0c183 236 int delta = (int)((uint32_t)timestamp - us_ticker_read());
mbed_official 469:fc4922e0c183 237 uint16_t cval = TIM_MST->CNT;
mbed_official 469:fc4922e0c183 238
mbed_official 469:fc4922e0c183 239 if (delta <= 0) { // This event was in the past
mbed_official 469:fc4922e0c183 240 us_ticker_irq_handler();
mbed_official 469:fc4922e0c183 241 } else {
mbed_official 469:fc4922e0c183 242 oc_int_part = (uint32_t)(delta >> 16);
mbed_official 469:fc4922e0c183 243 oc_rem_part = (uint16_t)(delta & 0xFFFF);
mbed_official 469:fc4922e0c183 244 if (oc_rem_part <= (0xFFFF - cval)) {
mbed_official 469:fc4922e0c183 245 set_compare(cval + oc_rem_part);
mbed_official 469:fc4922e0c183 246 oc_rem_part = 0;
mbed_official 469:fc4922e0c183 247 } else {
mbed_official 469:fc4922e0c183 248 set_compare(0xFFFF);
mbed_official 469:fc4922e0c183 249 oc_rem_part = oc_rem_part - (0xFFFF - cval);
mbed_official 469:fc4922e0c183 250 }
mbed_official 469:fc4922e0c183 251 }
mbed_official 469:fc4922e0c183 252 }
mbed_official 469:fc4922e0c183 253
mbed_official 469:fc4922e0c183 254 void us_ticker_disable_interrupt(void)
mbed_official 469:fc4922e0c183 255 {
mbed_official 469:fc4922e0c183 256 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 257 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 469:fc4922e0c183 258 }
mbed_official 469:fc4922e0c183 259
mbed_official 469:fc4922e0c183 260 void us_ticker_clear_interrupt(void)
mbed_official 469:fc4922e0c183 261 {
mbed_official 469:fc4922e0c183 262 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 263 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
mbed_official 469:fc4922e0c183 264 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
mbed_official 469:fc4922e0c183 265 }
mbed_official 469:fc4922e0c183 266 }
mbed_official 469:fc4922e0c183 267
mbed_official 469:fc4922e0c183 268 #else
mbed_official 469:fc4922e0c183 269
mbed_official 469:fc4922e0c183 270 // 32-bit timer selection
mbed_official 469:fc4922e0c183 271 #define TIM_MST TIM2
mbed_official 469:fc4922e0c183 272
mbed_official 469:fc4922e0c183 273 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 469:fc4922e0c183 274 static int us_ticker_inited = 0;
mbed_official 469:fc4922e0c183 275
mbed_official 469:fc4922e0c183 276 void us_ticker_init(void)
mbed_official 469:fc4922e0c183 277 {
mbed_official 469:fc4922e0c183 278 if (us_ticker_inited) return;
mbed_official 469:fc4922e0c183 279 us_ticker_inited = 1;
mbed_official 469:fc4922e0c183 280
mbed_official 469:fc4922e0c183 281 TimMasterHandle.Instance = TIM_MST;
mbed_official 469:fc4922e0c183 282
mbed_official 469:fc4922e0c183 283 HAL_InitTick(0); // The passed value is not used
mbed_official 469:fc4922e0c183 284 }
mbed_official 469:fc4922e0c183 285
mbed_official 469:fc4922e0c183 286 uint32_t us_ticker_read()
mbed_official 469:fc4922e0c183 287 {
mbed_official 469:fc4922e0c183 288 if (!us_ticker_inited) us_ticker_init();
mbed_official 469:fc4922e0c183 289 return TIM_MST->CNT;
mbed_official 469:fc4922e0c183 290 }
mbed_official 469:fc4922e0c183 291
mbed_official 469:fc4922e0c183 292 void us_ticker_set_interrupt(timestamp_t timestamp)
mbed_official 469:fc4922e0c183 293 {
mbed_official 469:fc4922e0c183 294 // Set new output compare value
mbed_official 469:fc4922e0c183 295 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
mbed_official 469:fc4922e0c183 296 // Enable IT
mbed_official 469:fc4922e0c183 297 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 469:fc4922e0c183 298 }
mbed_official 469:fc4922e0c183 299
mbed_official 469:fc4922e0c183 300 void us_ticker_disable_interrupt(void)
mbed_official 469:fc4922e0c183 301 {
mbed_official 469:fc4922e0c183 302 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 469:fc4922e0c183 303 }
mbed_official 469:fc4922e0c183 304
mbed_official 469:fc4922e0c183 305 void us_ticker_clear_interrupt(void)
mbed_official 469:fc4922e0c183 306 {
mbed_official 469:fc4922e0c183 307 __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 469:fc4922e0c183 308 }
mbed_official 469:fc4922e0c183 309 #endif