Azure IoT common library
Fork of azure_c_shared_utility by
tickcounter_mbed.cpp@0:fa2de1b79154, 2016-04-08 (annotated)
- Committer:
- Azure.IoT Build
- Date:
- Fri Apr 08 12:01:36 2016 -0700
- Revision:
- 0:fa2de1b79154
- Child:
- 16:18e7ebd42bb2
1.0.4
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Azure.IoT Build | 0:fa2de1b79154 | 1 | // Copyright (c) Microsoft. All rights reserved. |
Azure.IoT Build | 0:fa2de1b79154 | 2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information. |
Azure.IoT Build | 0:fa2de1b79154 | 3 | |
Azure.IoT Build | 0:fa2de1b79154 | 4 | #include <cstdlib> |
Azure.IoT Build | 0:fa2de1b79154 | 5 | |
Azure.IoT Build | 0:fa2de1b79154 | 6 | #ifdef _CRTDBG_MAP_ALLOC |
Azure.IoT Build | 0:fa2de1b79154 | 7 | #include <crtdbg.h> |
Azure.IoT Build | 0:fa2de1b79154 | 8 | #endif |
Azure.IoT Build | 0:fa2de1b79154 | 9 | |
Azure.IoT Build | 0:fa2de1b79154 | 10 | #include <cstdio> |
Azure.IoT Build | 0:fa2de1b79154 | 11 | #include <cctype> |
Azure.IoT Build | 0:fa2de1b79154 | 12 | #include "mbed.h" |
Azure.IoT Build | 0:fa2de1b79154 | 13 | #include "azure_c_shared_utility/tickcounter.h" |
Azure.IoT Build | 0:fa2de1b79154 | 14 | |
Azure.IoT Build | 0:fa2de1b79154 | 15 | class TICK_COUNTER_INSTANCE_TAG |
Azure.IoT Build | 0:fa2de1b79154 | 16 | { |
Azure.IoT Build | 0:fa2de1b79154 | 17 | public: |
Azure.IoT Build | 0:fa2de1b79154 | 18 | clock_t last_clock_value; |
Azure.IoT Build | 0:fa2de1b79154 | 19 | uint64_t current_ms; |
Azure.IoT Build | 0:fa2de1b79154 | 20 | }; |
Azure.IoT Build | 0:fa2de1b79154 | 21 | |
Azure.IoT Build | 0:fa2de1b79154 | 22 | TICK_COUNTER_HANDLE tickcounter_create(void) |
Azure.IoT Build | 0:fa2de1b79154 | 23 | { |
Azure.IoT Build | 0:fa2de1b79154 | 24 | TICK_COUNTER_INSTANCE_TAG* result; |
Azure.IoT Build | 0:fa2de1b79154 | 25 | result = new TICK_COUNTER_INSTANCE_TAG(); |
Azure.IoT Build | 0:fa2de1b79154 | 26 | result->last_clock_value = clock(); |
Azure.IoT Build | 0:fa2de1b79154 | 27 | result->current_ms = result->last_clock_value * 1000 / CLOCKS_PER_SEC; |
Azure.IoT Build | 0:fa2de1b79154 | 28 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 29 | } |
Azure.IoT Build | 0:fa2de1b79154 | 30 | |
Azure.IoT Build | 0:fa2de1b79154 | 31 | void tickcounter_destroy(TICK_COUNTER_HANDLE tick_counter) |
Azure.IoT Build | 0:fa2de1b79154 | 32 | { |
Azure.IoT Build | 0:fa2de1b79154 | 33 | if (tick_counter != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 34 | { |
Azure.IoT Build | 0:fa2de1b79154 | 35 | delete tick_counter; |
Azure.IoT Build | 0:fa2de1b79154 | 36 | } |
Azure.IoT Build | 0:fa2de1b79154 | 37 | } |
Azure.IoT Build | 0:fa2de1b79154 | 38 | |
Azure.IoT Build | 0:fa2de1b79154 | 39 | int tickcounter_get_current_ms(TICK_COUNTER_HANDLE tick_counter, uint64_t* current_ms) |
Azure.IoT Build | 0:fa2de1b79154 | 40 | { |
Azure.IoT Build | 0:fa2de1b79154 | 41 | int result; |
Azure.IoT Build | 0:fa2de1b79154 | 42 | if (tick_counter == NULL || current_ms == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 43 | { |
Azure.IoT Build | 0:fa2de1b79154 | 44 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 45 | } |
Azure.IoT Build | 0:fa2de1b79154 | 46 | else |
Azure.IoT Build | 0:fa2de1b79154 | 47 | { |
Azure.IoT Build | 0:fa2de1b79154 | 48 | TICK_COUNTER_INSTANCE_TAG* tick_counter_instance = (TICK_COUNTER_INSTANCE_TAG*)tick_counter; |
Azure.IoT Build | 0:fa2de1b79154 | 49 | |
Azure.IoT Build | 0:fa2de1b79154 | 50 | clock_t clock_value = clock(); |
Azure.IoT Build | 0:fa2de1b79154 | 51 | |
Azure.IoT Build | 0:fa2de1b79154 | 52 | tick_counter_instance->current_ms += (clock_value - tick_counter_instance->last_clock_value) * 1000 / CLOCKS_PER_SEC; |
Azure.IoT Build | 0:fa2de1b79154 | 53 | tick_counter_instance->last_clock_value = clock_value; |
Azure.IoT Build | 0:fa2de1b79154 | 54 | *current_ms = tick_counter_instance->current_ms; |
Azure.IoT Build | 0:fa2de1b79154 | 55 | |
Azure.IoT Build | 0:fa2de1b79154 | 56 | result = 0; |
Azure.IoT Build | 0:fa2de1b79154 | 57 | } |
Azure.IoT Build | 0:fa2de1b79154 | 58 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 59 | } |