Zoltan Hudak
/
MQTT_Hello
MQTT client to test the ENC28J60-EMAC on NUCLEO-F446RE.
MQTT/MQTTmbed.h@0:238f0d0c0ba3, 2021-03-26 (annotated)
- Committer:
- hudakz
- Date:
- Fri Mar 26 16:15:14 2021 +0000
- Revision:
- 0:238f0d0c0ba3
MQTT client to test the ENC28J60-EMAC on NUCLEO-F446RE.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hudakz | 0:238f0d0c0ba3 | 1 | #if !defined(MQTT_MBED_H) |
hudakz | 0:238f0d0c0ba3 | 2 | #define MQTT_MBED_H |
hudakz | 0:238f0d0c0ba3 | 3 | |
hudakz | 0:238f0d0c0ba3 | 4 | #include "mbed.h" |
hudakz | 0:238f0d0c0ba3 | 5 | |
hudakz | 0:238f0d0c0ba3 | 6 | class Countdown |
hudakz | 0:238f0d0c0ba3 | 7 | { |
hudakz | 0:238f0d0c0ba3 | 8 | public: |
hudakz | 0:238f0d0c0ba3 | 9 | Countdown() : t() |
hudakz | 0:238f0d0c0ba3 | 10 | { |
hudakz | 0:238f0d0c0ba3 | 11 | |
hudakz | 0:238f0d0c0ba3 | 12 | } |
hudakz | 0:238f0d0c0ba3 | 13 | |
hudakz | 0:238f0d0c0ba3 | 14 | Countdown(int ms) : t() |
hudakz | 0:238f0d0c0ba3 | 15 | { |
hudakz | 0:238f0d0c0ba3 | 16 | countdown_ms(ms); |
hudakz | 0:238f0d0c0ba3 | 17 | } |
hudakz | 0:238f0d0c0ba3 | 18 | |
hudakz | 0:238f0d0c0ba3 | 19 | |
hudakz | 0:238f0d0c0ba3 | 20 | bool expired() |
hudakz | 0:238f0d0c0ba3 | 21 | { |
hudakz | 0:238f0d0c0ba3 | 22 | return t.read_ms() >= interval_end_ms; |
hudakz | 0:238f0d0c0ba3 | 23 | } |
hudakz | 0:238f0d0c0ba3 | 24 | |
hudakz | 0:238f0d0c0ba3 | 25 | void countdown_ms(unsigned long ms) |
hudakz | 0:238f0d0c0ba3 | 26 | { |
hudakz | 0:238f0d0c0ba3 | 27 | t.stop(); |
hudakz | 0:238f0d0c0ba3 | 28 | interval_end_ms = ms; |
hudakz | 0:238f0d0c0ba3 | 29 | t.reset(); |
hudakz | 0:238f0d0c0ba3 | 30 | t.start(); |
hudakz | 0:238f0d0c0ba3 | 31 | } |
hudakz | 0:238f0d0c0ba3 | 32 | |
hudakz | 0:238f0d0c0ba3 | 33 | void countdown(int seconds) |
hudakz | 0:238f0d0c0ba3 | 34 | { |
hudakz | 0:238f0d0c0ba3 | 35 | countdown_ms((unsigned long)seconds * 1000L); |
hudakz | 0:238f0d0c0ba3 | 36 | } |
hudakz | 0:238f0d0c0ba3 | 37 | |
hudakz | 0:238f0d0c0ba3 | 38 | int left_ms() |
hudakz | 0:238f0d0c0ba3 | 39 | { |
hudakz | 0:238f0d0c0ba3 | 40 | return interval_end_ms - t.read_ms(); |
hudakz | 0:238f0d0c0ba3 | 41 | } |
hudakz | 0:238f0d0c0ba3 | 42 | |
hudakz | 0:238f0d0c0ba3 | 43 | private: |
hudakz | 0:238f0d0c0ba3 | 44 | Timer t; |
hudakz | 0:238f0d0c0ba3 | 45 | unsigned long interval_end_ms; |
hudakz | 0:238f0d0c0ba3 | 46 | }; |
hudakz | 0:238f0d0c0ba3 | 47 | |
hudakz | 0:238f0d0c0ba3 | 48 | #endif |