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targets/hal/TARGET_STM/TARGET_STM32F0/us_ticker.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
140:6f18478c63fa
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 * Copyright (c) 2014, STMicroelectronics
bogdanm 0:9b334a45a8ff 3 * All rights reserved.
bogdanm 0:9b334a45a8ff 4 *
bogdanm 0:9b334a45a8ff 5 * Redistribution and use in source and binary forms, with or without
bogdanm 0:9b334a45a8ff 6 * modification, are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 9 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 11 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 12 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 13 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 14 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 15 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 16 *
bogdanm 0:9b334a45a8ff 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 27 */
bogdanm 0:9b334a45a8ff 28 #include <stddef.h>
bogdanm 0:9b334a45a8ff 29 #include "us_ticker_api.h"
bogdanm 0:9b334a45a8ff 30 #include "PeripheralNames.h"
bogdanm 0:9b334a45a8ff 31
bogdanm 0:9b334a45a8ff 32
bogdanm 0:9b334a45a8ff 33 #if defined(TARGET_STM32F030R8) || defined(TARGET_STM32F070RB)
bogdanm 0:9b334a45a8ff 34
bogdanm 0:9b334a45a8ff 35 // Timer selection
bogdanm 0:9b334a45a8ff 36 #define TIM_MST TIM1
bogdanm 0:9b334a45a8ff 37
bogdanm 0:9b334a45a8ff 38 static TIM_HandleTypeDef TimMasterHandle;
bogdanm 0:9b334a45a8ff 39 static int us_ticker_inited = 0;
bogdanm 0:9b334a45a8ff 40
bogdanm 0:9b334a45a8ff 41 volatile uint32_t SlaveCounter = 0;
bogdanm 0:9b334a45a8ff 42 volatile uint32_t oc_int_part = 0;
bogdanm 0:9b334a45a8ff 43 volatile uint16_t oc_rem_part = 0;
bogdanm 0:9b334a45a8ff 44
bogdanm 0:9b334a45a8ff 45 void set_compare(uint16_t count) {
bogdanm 0:9b334a45a8ff 46 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 47 // Set new output compare value
bogdanm 0:9b334a45a8ff 48 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
bogdanm 0:9b334a45a8ff 49 // Enable IT
bogdanm 0:9b334a45a8ff 50 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
bogdanm 0:9b334a45a8ff 51 }
bogdanm 0:9b334a45a8ff 52
bogdanm 0:9b334a45a8ff 53 void us_ticker_init(void) {
bogdanm 0:9b334a45a8ff 54 if (us_ticker_inited) return;
bogdanm 0:9b334a45a8ff 55 us_ticker_inited = 1;
bogdanm 0:9b334a45a8ff 56
bogdanm 0:9b334a45a8ff 57 HAL_InitTick(0); // The passed value is not used
bogdanm 0:9b334a45a8ff 58 }
bogdanm 0:9b334a45a8ff 59
bogdanm 0:9b334a45a8ff 60 uint32_t us_ticker_read() {
bogdanm 0:9b334a45a8ff 61 uint32_t counter, counter2;
bogdanm 0:9b334a45a8ff 62 if (!us_ticker_inited) us_ticker_init();
bogdanm 0:9b334a45a8ff 63 // A situation might appear when Master overflows right after Slave is read and before the
bogdanm 0:9b334a45a8ff 64 // new (overflowed) value of Master is read. Which would make the code below consider the
bogdanm 0:9b334a45a8ff 65 // previous (incorrect) value of Slave and the new value of Master, which would return a
bogdanm 0:9b334a45a8ff 66 // value in the past. Avoid this by computing consecutive values of the timer until they
bogdanm 0:9b334a45a8ff 67 // are properly ordered.
bogdanm 0:9b334a45a8ff 68 counter = (uint32_t)(SlaveCounter << 16);
bogdanm 0:9b334a45a8ff 69 counter += TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 70 while (1) {
bogdanm 0:9b334a45a8ff 71 counter2 = (uint32_t)(SlaveCounter << 16);
bogdanm 0:9b334a45a8ff 72 counter2 += TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 73 if (counter2 > counter) {
bogdanm 0:9b334a45a8ff 74 break;
bogdanm 0:9b334a45a8ff 75 }
bogdanm 0:9b334a45a8ff 76 counter = counter2;
bogdanm 0:9b334a45a8ff 77 }
bogdanm 0:9b334a45a8ff 78 return counter2;
bogdanm 0:9b334a45a8ff 79 }
bogdanm 0:9b334a45a8ff 80
bogdanm 0:9b334a45a8ff 81 void us_ticker_set_interrupt(timestamp_t timestamp) {
bogdanm 0:9b334a45a8ff 82 int delta = (int)((uint32_t)timestamp - us_ticker_read());
bogdanm 0:9b334a45a8ff 83 uint16_t cval = TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 84
bogdanm 0:9b334a45a8ff 85 if (delta <= 0) { // This event was in the past
bogdanm 0:9b334a45a8ff 86 us_ticker_irq_handler();
bogdanm 0:9b334a45a8ff 87 } else {
bogdanm 0:9b334a45a8ff 88 oc_int_part = (uint32_t)(delta >> 16);
bogdanm 0:9b334a45a8ff 89 oc_rem_part = (uint16_t)(delta & 0xFFFF);
bogdanm 0:9b334a45a8ff 90 if (oc_rem_part <= (0xFFFF - cval)) {
bogdanm 0:9b334a45a8ff 91 set_compare(cval + oc_rem_part);
bogdanm 0:9b334a45a8ff 92 oc_rem_part = 0;
bogdanm 0:9b334a45a8ff 93 } else {
bogdanm 0:9b334a45a8ff 94 set_compare(0xFFFF);
bogdanm 0:9b334a45a8ff 95 oc_rem_part = oc_rem_part - (0xFFFF - cval);
bogdanm 0:9b334a45a8ff 96 }
bogdanm 0:9b334a45a8ff 97 }
bogdanm 0:9b334a45a8ff 98 }
bogdanm 0:9b334a45a8ff 99
bogdanm 0:9b334a45a8ff 100 void us_ticker_disable_interrupt(void) {
bogdanm 0:9b334a45a8ff 101 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 102 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
bogdanm 0:9b334a45a8ff 103 }
bogdanm 0:9b334a45a8ff 104
bogdanm 0:9b334a45a8ff 105 void us_ticker_clear_interrupt(void) {
bogdanm 0:9b334a45a8ff 106 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 107 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
bogdanm 0:9b334a45a8ff 108 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
bogdanm 0:9b334a45a8ff 109 }
bogdanm 0:9b334a45a8ff 110 }
bogdanm 0:9b334a45a8ff 111
bogdanm 0:9b334a45a8ff 112 #elif defined (TARGET_STM32F051R8)
bogdanm 0:9b334a45a8ff 113
bogdanm 0:9b334a45a8ff 114 // Timer selection:
bogdanm 0:9b334a45a8ff 115 #define TIM_MST TIM1
bogdanm 0:9b334a45a8ff 116 #define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn
bogdanm 0:9b334a45a8ff 117 #define TIM_MST_OC_IRQ TIM1_CC_IRQn
bogdanm 0:9b334a45a8ff 118 #define TIM_MST_RCC __TIM1_CLK_ENABLE()
bogdanm 0:9b334a45a8ff 119
bogdanm 0:9b334a45a8ff 120 static TIM_HandleTypeDef TimMasterHandle;
bogdanm 0:9b334a45a8ff 121
bogdanm 0:9b334a45a8ff 122
bogdanm 0:9b334a45a8ff 123 static int us_ticker_inited = 0;
bogdanm 0:9b334a45a8ff 124 static volatile uint32_t SlaveCounter = 0;
bogdanm 0:9b334a45a8ff 125 static volatile uint32_t oc_int_part = 0;
bogdanm 0:9b334a45a8ff 126 static volatile uint16_t oc_rem_part = 0;
bogdanm 0:9b334a45a8ff 127
bogdanm 0:9b334a45a8ff 128 void set_compare(uint16_t count) {
bogdanm 0:9b334a45a8ff 129 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 130
bogdanm 0:9b334a45a8ff 131 // Set new output compare value
bogdanm 0:9b334a45a8ff 132 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
bogdanm 0:9b334a45a8ff 133 // Enable IT
bogdanm 0:9b334a45a8ff 134 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
bogdanm 0:9b334a45a8ff 135 }
bogdanm 0:9b334a45a8ff 136
bogdanm 0:9b334a45a8ff 137 // Used to increment the slave counter
bogdanm 0:9b334a45a8ff 138 static void tim_update_irq_handler(void) {
bogdanm 0:9b334a45a8ff 139 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 140
bogdanm 0:9b334a45a8ff 141 // Clear Update interrupt flag
bogdanm 0:9b334a45a8ff 142 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
bogdanm 0:9b334a45a8ff 143 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE);
bogdanm 0:9b334a45a8ff 144 SlaveCounter++;
bogdanm 0:9b334a45a8ff 145 }
bogdanm 0:9b334a45a8ff 146 }
bogdanm 0:9b334a45a8ff 147
bogdanm 0:9b334a45a8ff 148 // Used by interrupt system
bogdanm 0:9b334a45a8ff 149 static void tim_oc_irq_handler(void) {
bogdanm 0:9b334a45a8ff 150 uint16_t cval = TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 151 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 152
bogdanm 0:9b334a45a8ff 153 // Clear CC1 interrupt flag
bogdanm 0:9b334a45a8ff 154 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
bogdanm 0:9b334a45a8ff 155 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
bogdanm 0:9b334a45a8ff 156 }
bogdanm 0:9b334a45a8ff 157 if (oc_rem_part > 0) {
bogdanm 0:9b334a45a8ff 158 set_compare(oc_rem_part); // Finish the remaining time left
bogdanm 0:9b334a45a8ff 159 oc_rem_part = 0;
bogdanm 0:9b334a45a8ff 160 } else {
bogdanm 0:9b334a45a8ff 161 if (oc_int_part > 0) {
bogdanm 0:9b334a45a8ff 162 set_compare(0xFFFF);
bogdanm 0:9b334a45a8ff 163 oc_rem_part = cval; // To finish the counter loop the next time
bogdanm 0:9b334a45a8ff 164 oc_int_part--;
bogdanm 0:9b334a45a8ff 165 } else {
bogdanm 0:9b334a45a8ff 166 us_ticker_irq_handler();
bogdanm 0:9b334a45a8ff 167 }
bogdanm 0:9b334a45a8ff 168 }
bogdanm 0:9b334a45a8ff 169
bogdanm 0:9b334a45a8ff 170 }
bogdanm 0:9b334a45a8ff 171
bogdanm 0:9b334a45a8ff 172 void us_ticker_init(void) {
bogdanm 0:9b334a45a8ff 173
bogdanm 0:9b334a45a8ff 174 if (us_ticker_inited) return;
bogdanm 0:9b334a45a8ff 175 us_ticker_inited = 1;
bogdanm 0:9b334a45a8ff 176
bogdanm 0:9b334a45a8ff 177 // Enable timer clock
bogdanm 0:9b334a45a8ff 178 TIM_MST_RCC;
bogdanm 0:9b334a45a8ff 179
bogdanm 0:9b334a45a8ff 180 // Configure time base
bogdanm 0:9b334a45a8ff 181 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 182 TimMasterHandle.Init.Period = 0xFFFF;
bogdanm 0:9b334a45a8ff 183 TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 �s tick
bogdanm 0:9b334a45a8ff 184 TimMasterHandle.Init.ClockDivision = 0;
bogdanm 0:9b334a45a8ff 185 TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
bogdanm 0:9b334a45a8ff 186 HAL_TIM_Base_Init(&TimMasterHandle);
bogdanm 0:9b334a45a8ff 187
bogdanm 0:9b334a45a8ff 188 // Configure interrupts
bogdanm 0:9b334a45a8ff 189 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE);
bogdanm 0:9b334a45a8ff 190
bogdanm 0:9b334a45a8ff 191 // Update interrupt used for 32-bit counter
bogdanm 0:9b334a45a8ff 192 NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler);
bogdanm 0:9b334a45a8ff 193 NVIC_EnableIRQ(TIM_MST_UP_IRQ);
bogdanm 0:9b334a45a8ff 194
bogdanm 0:9b334a45a8ff 195 // Output compare interrupt used for timeout feature
bogdanm 0:9b334a45a8ff 196 NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler);
bogdanm 0:9b334a45a8ff 197 NVIC_EnableIRQ(TIM_MST_OC_IRQ);
bogdanm 0:9b334a45a8ff 198
bogdanm 0:9b334a45a8ff 199 // Enable timer
bogdanm 0:9b334a45a8ff 200 HAL_TIM_Base_Start(&TimMasterHandle);
bogdanm 0:9b334a45a8ff 201 }
bogdanm 0:9b334a45a8ff 202
bogdanm 0:9b334a45a8ff 203 uint32_t us_ticker_read() {
bogdanm 0:9b334a45a8ff 204 uint32_t counter, counter2;
bogdanm 0:9b334a45a8ff 205 if (!us_ticker_inited) us_ticker_init();
bogdanm 0:9b334a45a8ff 206 // A situation might appear when Master overflows right after Slave is read and before the
bogdanm 0:9b334a45a8ff 207 // new (overflowed) value of Master is read. Which would make the code below consider the
bogdanm 0:9b334a45a8ff 208 // previous (incorrect) value of Slave and the new value of Master, which would return a
bogdanm 0:9b334a45a8ff 209 // value in the past. Avoid this by computing consecutive values of the timer until they
bogdanm 0:9b334a45a8ff 210 // are properly ordered.
bogdanm 0:9b334a45a8ff 211 counter = (uint32_t)(SlaveCounter << 16);
bogdanm 0:9b334a45a8ff 212 counter += TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 213 while (1) {
bogdanm 0:9b334a45a8ff 214 counter2 = (uint32_t)(SlaveCounter << 16);
bogdanm 0:9b334a45a8ff 215 counter2 += TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 216 if (counter2 > counter) {
bogdanm 0:9b334a45a8ff 217 break;
bogdanm 0:9b334a45a8ff 218 }
bogdanm 0:9b334a45a8ff 219 counter = counter2;
bogdanm 0:9b334a45a8ff 220 }
bogdanm 0:9b334a45a8ff 221 return counter2;
bogdanm 0:9b334a45a8ff 222 }
bogdanm 0:9b334a45a8ff 223
bogdanm 0:9b334a45a8ff 224 void us_ticker_set_interrupt(timestamp_t timestamp) {
bogdanm 0:9b334a45a8ff 225 int delta = (int)((uint32_t)timestamp - us_ticker_read());
bogdanm 0:9b334a45a8ff 226 uint16_t cval = TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 227
bogdanm 0:9b334a45a8ff 228 if (delta <= 0) { // This event was in the past
bogdanm 0:9b334a45a8ff 229 us_ticker_irq_handler();
bogdanm 0:9b334a45a8ff 230 } else {
bogdanm 0:9b334a45a8ff 231 oc_int_part = (uint32_t)(delta >> 16);
bogdanm 0:9b334a45a8ff 232 oc_rem_part = (uint16_t)(delta & 0xFFFF);
bogdanm 0:9b334a45a8ff 233 if (oc_rem_part <= (0xFFFF - cval)) {
bogdanm 0:9b334a45a8ff 234 set_compare(cval + oc_rem_part);
bogdanm 0:9b334a45a8ff 235 oc_rem_part = 0;
bogdanm 0:9b334a45a8ff 236 } else {
bogdanm 0:9b334a45a8ff 237 set_compare(0xFFFF);
bogdanm 0:9b334a45a8ff 238 oc_rem_part = oc_rem_part - (0xFFFF - cval);
bogdanm 0:9b334a45a8ff 239 }
bogdanm 0:9b334a45a8ff 240 }
bogdanm 0:9b334a45a8ff 241 }
bogdanm 0:9b334a45a8ff 242
bogdanm 0:9b334a45a8ff 243 void us_ticker_disable_interrupt(void) {
bogdanm 0:9b334a45a8ff 244 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 245 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
bogdanm 0:9b334a45a8ff 246 }
bogdanm 0:9b334a45a8ff 247
bogdanm 0:9b334a45a8ff 248 void us_ticker_clear_interrupt(void) {
bogdanm 0:9b334a45a8ff 249 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 250 if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
bogdanm 0:9b334a45a8ff 251 __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
bogdanm 0:9b334a45a8ff 252 }
bogdanm 0:9b334a45a8ff 253 }
bogdanm 0:9b334a45a8ff 254
bogdanm 0:9b334a45a8ff 255 #else
bogdanm 0:9b334a45a8ff 256
bogdanm 0:9b334a45a8ff 257 // 32-bit timer selection
bogdanm 0:9b334a45a8ff 258 #define TIM_MST TIM2
bogdanm 0:9b334a45a8ff 259
bogdanm 0:9b334a45a8ff 260 static TIM_HandleTypeDef TimMasterHandle;
bogdanm 0:9b334a45a8ff 261 static int us_ticker_inited = 0;
bogdanm 0:9b334a45a8ff 262
bogdanm 0:9b334a45a8ff 263 void us_ticker_init(void) {
bogdanm 0:9b334a45a8ff 264 if (us_ticker_inited) return;
bogdanm 0:9b334a45a8ff 265 us_ticker_inited = 1;
bogdanm 0:9b334a45a8ff 266
bogdanm 0:9b334a45a8ff 267 TimMasterHandle.Instance = TIM_MST;
bogdanm 0:9b334a45a8ff 268
bogdanm 0:9b334a45a8ff 269 HAL_InitTick(0); // The passed value is not used
bogdanm 0:9b334a45a8ff 270 }
bogdanm 0:9b334a45a8ff 271
bogdanm 0:9b334a45a8ff 272 uint32_t us_ticker_read() {
bogdanm 0:9b334a45a8ff 273 if (!us_ticker_inited) us_ticker_init();
bogdanm 0:9b334a45a8ff 274 return TIM_MST->CNT;
bogdanm 0:9b334a45a8ff 275 }
bogdanm 0:9b334a45a8ff 276
bogdanm 0:9b334a45a8ff 277 void us_ticker_set_interrupt(timestamp_t timestamp) {
bogdanm 0:9b334a45a8ff 278 // Set new output compare value
bogdanm 0:9b334a45a8ff 279 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
bogdanm 0:9b334a45a8ff 280 // Enable IT
bogdanm 0:9b334a45a8ff 281 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
bogdanm 0:9b334a45a8ff 282 }
bogdanm 0:9b334a45a8ff 283
bogdanm 0:9b334a45a8ff 284 void us_ticker_disable_interrupt(void) {
bogdanm 0:9b334a45a8ff 285 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
bogdanm 0:9b334a45a8ff 286 }
bogdanm 0:9b334a45a8ff 287
bogdanm 0:9b334a45a8ff 288 void us_ticker_clear_interrupt(void) {
bogdanm 0:9b334a45a8ff 289 __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
bogdanm 0:9b334a45a8ff 290 }
bogdanm 0:9b334a45a8ff 291 #endif