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MQTT/MQTTmbed.h@0:0a2f634d3324, 2017-02-09 (annotated)
- Committer:
- jksoft
- Date:
- Thu Feb 09 07:26:57 2017 +0000
- Revision:
- 0:0a2f634d3324
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jksoft | 0:0a2f634d3324 | 1 | #if !defined(MQTT_MBED_H) |
jksoft | 0:0a2f634d3324 | 2 | #define MQTT_MBED_H |
jksoft | 0:0a2f634d3324 | 3 | |
jksoft | 0:0a2f634d3324 | 4 | #include "mbed.h" |
jksoft | 0:0a2f634d3324 | 5 | |
jksoft | 0:0a2f634d3324 | 6 | class Countdown |
jksoft | 0:0a2f634d3324 | 7 | { |
jksoft | 0:0a2f634d3324 | 8 | public: |
jksoft | 0:0a2f634d3324 | 9 | Countdown() |
jksoft | 0:0a2f634d3324 | 10 | { |
jksoft | 0:0a2f634d3324 | 11 | t = Timer(); |
jksoft | 0:0a2f634d3324 | 12 | } |
jksoft | 0:0a2f634d3324 | 13 | |
jksoft | 0:0a2f634d3324 | 14 | Countdown(int ms) |
jksoft | 0:0a2f634d3324 | 15 | { |
jksoft | 0:0a2f634d3324 | 16 | t = Timer(); |
jksoft | 0:0a2f634d3324 | 17 | countdown_ms(ms); |
jksoft | 0:0a2f634d3324 | 18 | } |
jksoft | 0:0a2f634d3324 | 19 | |
jksoft | 0:0a2f634d3324 | 20 | |
jksoft | 0:0a2f634d3324 | 21 | bool expired() |
jksoft | 0:0a2f634d3324 | 22 | { |
jksoft | 0:0a2f634d3324 | 23 | return t.read_ms() >= interval_end_ms; |
jksoft | 0:0a2f634d3324 | 24 | } |
jksoft | 0:0a2f634d3324 | 25 | |
jksoft | 0:0a2f634d3324 | 26 | void countdown_ms(unsigned long ms) |
jksoft | 0:0a2f634d3324 | 27 | { |
jksoft | 0:0a2f634d3324 | 28 | t.stop(); |
jksoft | 0:0a2f634d3324 | 29 | interval_end_ms = ms; |
jksoft | 0:0a2f634d3324 | 30 | t.reset(); |
jksoft | 0:0a2f634d3324 | 31 | t.start(); |
jksoft | 0:0a2f634d3324 | 32 | } |
jksoft | 0:0a2f634d3324 | 33 | |
jksoft | 0:0a2f634d3324 | 34 | void countdown(int seconds) |
jksoft | 0:0a2f634d3324 | 35 | { |
jksoft | 0:0a2f634d3324 | 36 | countdown_ms((unsigned long)seconds * 1000L); |
jksoft | 0:0a2f634d3324 | 37 | } |
jksoft | 0:0a2f634d3324 | 38 | |
jksoft | 0:0a2f634d3324 | 39 | int left_ms() |
jksoft | 0:0a2f634d3324 | 40 | { |
jksoft | 0:0a2f634d3324 | 41 | return interval_end_ms - t.read_ms(); |
jksoft | 0:0a2f634d3324 | 42 | } |
jksoft | 0:0a2f634d3324 | 43 | |
jksoft | 0:0a2f634d3324 | 44 | private: |
jksoft | 0:0a2f634d3324 | 45 | Timer t; |
jksoft | 0:0a2f634d3324 | 46 | unsigned long interval_end_ms; |
jksoft | 0:0a2f634d3324 | 47 | }; |
jksoft | 0:0a2f634d3324 | 48 | |
jksoft | 0:0a2f634d3324 | 49 | #endif |