edge / Mbed 2 deprecated testReed

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   libmDot mbed-rtos mbed

main.cpp@1:3348d15fefdb, 2016-05-16 (annotated)

Committer:
boddeke
Date:
Mon May 16 20:15:32 2016 +0000
Revision:
1:3348d15fefdb
Parent:
0:208bd045dd31
Child:
2:5318600ca0fe
reed testing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
boddeke 0:208bd045dd31 1 #include "mbed.h"
boddeke 0:208bd045dd31 2 #include "mDot.h"
boddeke 0:208bd045dd31 3 #include "MTSLog.h"
boddeke 0:208bd045dd31 4 #include "MTSText.h"
boddeke 0:208bd045dd31 5
boddeke 0:208bd045dd31 6 using namespace mts;
boddeke 0:208bd045dd31 7
boddeke 1:3348d15fefdb 8 #define MIN(a,b) (((a)<(b))?(a):(b))
boddeke 1:3348d15fefdb 9 #define MAX(a,b) (((a)>(b))?(a):(b))
boddeke 1:3348d15fefdb 10
boddeke 0:208bd045dd31 11 #define REED_PORT PA_3
boddeke 1:3348d15fefdb 12 #define MINIMAL_SECONDS_BETEEN_CONTACT 10
boddeke 1:3348d15fefdb 13 #define MAXIMAL_SECONDS_BETEEN_CONTACT 60
boddeke 1:3348d15fefdb 14
boddeke 1:3348d15fefdb 15 //Serial pc(USBTX,USBRX);
boddeke 1:3348d15fefdb 16 RawSerial pc(USBTX,USBRX);
boddeke 0:208bd045dd31 17 DigitalIn reed_gpio(REED_PORT);
boddeke 0:208bd045dd31 18
boddeke 0:208bd045dd31 19
boddeke 0:208bd045dd31 20 int reed_lock_write = 0;
boddeke 0:208bd045dd31 21 int reed_lock_read = 0;
boddeke 0:208bd045dd31 22 int reed_has_changed = 0;
boddeke 0:208bd045dd31 23 int reed_value_to_send = 0;
boddeke 0:208bd045dd31 24 int reed_value_last_sent = 0;
boddeke 1:3348d15fefdb 25 int reed_gpio_value = 0;
boddeke 0:208bd045dd31 26
boddeke 0:208bd045dd31 27 void isr_reed_sensor_change(void) {
boddeke 0:208bd045dd31 28
boddeke 0:208bd045dd31 29 while(reed_lock_read) {}
boddeke 0:208bd045dd31 30 reed_lock_write = 1;
boddeke 0:208bd045dd31 31 reed_has_changed = 1;
boddeke 0:208bd045dd31 32 reed_lock_write = 0;
boddeke 0:208bd045dd31 33 }
boddeke 0:208bd045dd31 34
boddeke 0:208bd045dd31 35 int has_reed_changed(void) {
boddeke 0:208bd045dd31 36
boddeke 0:208bd045dd31 37 int change;
boddeke 0:208bd045dd31 38
boddeke 0:208bd045dd31 39 while(reed_lock_write) {}
boddeke 0:208bd045dd31 40 reed_lock_read = 1;
boddeke 1:3348d15fefdb 41 change = reed_has_changed;
boddeke 0:208bd045dd31 42 reed_has_changed = 0;
boddeke 0:208bd045dd31 43 reed_lock_read = 0;
boddeke 1:3348d15fefdb 44
boddeke 1:3348d15fefdb 45 reed_gpio_value = reed_gpio.read();
boddeke 1:3348d15fefdb 46
boddeke 0:208bd045dd31 47 return(change);
boddeke 0:208bd045dd31 48 }
boddeke 0:208bd045dd31 49
boddeke 1:3348d15fefdb 50 int has_reed_changed_since_last_sent(void) {
boddeke 0:208bd045dd31 51
boddeke 0:208bd045dd31 52 int change;
boddeke 1:3348d15fefdb 53
boddeke 0:208bd045dd31 54 has_reed_changed();
boddeke 1:3348d15fefdb 55 reed_gpio_value = reed_gpio.read();
boddeke 0:208bd045dd31 56
boddeke 1:3348d15fefdb 57 change = reed_gpio_value != reed_value_last_sent;
boddeke 1:3348d15fefdb 58
boddeke 1:3348d15fefdb 59 pc.printf("%d: REED = %d (was %d)\r\n",time(NULL),reed_gpio_value,reed_value_last_sent);
boddeke 0:208bd045dd31 60
boddeke 0:208bd045dd31 61 return(change);
boddeke 0:208bd045dd31 62 }
boddeke 0:208bd045dd31 63
boddeke 0:208bd045dd31 64 void send_reed(void) {
boddeke 0:208bd045dd31 65
boddeke 1:3348d15fefdb 66 reed_value_last_sent = reed_gpio_value;
boddeke 1:3348d15fefdb 67
boddeke 1:3348d15fefdb 68 pc.printf("%d: Sending REED = %d\r\n",time(NULL),reed_value_last_sent);
boddeke 1:3348d15fefdb 69
boddeke 1:3348d15fefdb 70 Thread::wait(10);
boddeke 0:208bd045dd31 71 }
boddeke 0:208bd045dd31 72
boddeke 0:208bd045dd31 73
boddeke 0:208bd045dd31 74 int main() {
boddeke 0:208bd045dd31 75
boddeke 0:208bd045dd31 76 mDot* dot;
boddeke 0:208bd045dd31 77 long last_sent = 0;
boddeke 1:3348d15fefdb 78 long last_sent_change = 0;
boddeke 0:208bd045dd31 79
boddeke 0:208bd045dd31 80 pc.baud(115200);
boddeke 0:208bd045dd31 81
boddeke 0:208bd045dd31 82 pc.printf("\r\n\r\n********************************\r\n");
boddeke 0:208bd045dd31 83 pc.printf( "* *\r\n");
boddeke 0:208bd045dd31 84 pc.printf( "* Edge Reed *\r\n");
boddeke 0:208bd045dd31 85 pc.printf( "* *\r\n");
boddeke 0:208bd045dd31 86 pc.printf( "* Build: " __DATE__ ", " __TIME__" *\r\n");
boddeke 0:208bd045dd31 87 pc.printf( "********************************\r\n\r\n");
boddeke 0:208bd045dd31 88
boddeke 0:208bd045dd31 89 dot = mDot::getInstance();
boddeke 1:3348d15fefdb 90 dot->setLogLevel(MTSLog::TRACE_LEVEL);
boddeke 0:208bd045dd31 91
boddeke 0:208bd045dd31 92 InterruptIn *reed_sensor_change;
boddeke 0:208bd045dd31 93 reed_sensor_change = new InterruptIn(REED_PORT);
boddeke 0:208bd045dd31 94 reed_sensor_change->fall(&isr_reed_sensor_change);
boddeke 0:208bd045dd31 95 reed_sensor_change->rise(&isr_reed_sensor_change);
boddeke 0:208bd045dd31 96
boddeke 0:208bd045dd31 97 while (true) {
boddeke 0:208bd045dd31 98
boddeke 1:3348d15fefdb 99 int wakeup_time = last_sent + MAXIMAL_SECONDS_BETEEN_CONTACT;
boddeke 0:208bd045dd31 100 int time_since_last_sent = time(NULL) - last_sent;
boddeke 1:3348d15fefdb 101 int time_since_last_sent_change = time(NULL) - last_sent_change;
boddeke 0:208bd045dd31 102
boddeke 1:3348d15fefdb 103 if(time_since_last_sent >= MAXIMAL_SECONDS_BETEEN_CONTACT) {
boddeke 1:3348d15fefdb 104
boddeke 1:3348d15fefdb 105 pc.printf("%d: Sending because max-time\r\n",time(NULL));
boddeke 0:208bd045dd31 106
boddeke 0:208bd045dd31 107 has_reed_changed();
boddeke 0:208bd045dd31 108 send_reed();
boddeke 0:208bd045dd31 109 last_sent = time(NULL);
boddeke 1:3348d15fefdb 110 wakeup_time = last_sent + MAXIMAL_SECONDS_BETEEN_CONTACT;
boddeke 1:3348d15fefdb 111
boddeke 1:3348d15fefdb 112 } else if(has_reed_changed() || has_reed_changed_since_last_sent()) {
boddeke 1:3348d15fefdb 113
boddeke 1:3348d15fefdb 114 pc.printf("%d: Change!\r\n",time(NULL));
boddeke 1:3348d15fefdb 115
boddeke 1:3348d15fefdb 116 if(time_since_last_sent_change >= MINIMAL_SECONDS_BETEEN_CONTACT) {
boddeke 1:3348d15fefdb 117
boddeke 1:3348d15fefdb 118 int b=100;
boddeke 1:3348d15fefdb 119
boddeke 1:3348d15fefdb 120 while(has_reed_changed()&&(b--)) {
boddeke 1:3348d15fefdb 121
boddeke 1:3348d15fefdb 122 Thread::wait(10);
boddeke 1:3348d15fefdb 123 }
boddeke 1:3348d15fefdb 124
boddeke 1:3348d15fefdb 125 if(has_reed_changed_since_last_sent()) {
boddeke 1:3348d15fefdb 126
boddeke 1:3348d15fefdb 127 pc.printf("%d: Sending because of change\r\n",time(NULL));
boddeke 1:3348d15fefdb 128
boddeke 1:3348d15fefdb 129 send_reed();
boddeke 1:3348d15fefdb 130 last_sent_change = time(NULL);
boddeke 1:3348d15fefdb 131 wakeup_time = last_sent_change + MAXIMAL_SECONDS_BETEEN_CONTACT;
boddeke 1:3348d15fefdb 132
boddeke 1:3348d15fefdb 133 } else {
boddeke 1:3348d15fefdb 134
boddeke 1:3348d15fefdb 135 pc.printf("%d: No change after debounce\r\n",time(NULL));
boddeke 1:3348d15fefdb 136 }
boddeke 1:3348d15fefdb 137
boddeke 1:3348d15fefdb 138 } else {
boddeke 1:3348d15fefdb 139
boddeke 1:3348d15fefdb 140 pc.printf("%d: Not sending because min-time\r\n",time(NULL));
boddeke 1:3348d15fefdb 141
boddeke 1:3348d15fefdb 142 wakeup_time = MIN(wakeup_time, last_sent_change + MINIMAL_SECONDS_BETEEN_CONTACT);
boddeke 1:3348d15fefdb 143 }
boddeke 0:208bd045dd31 144 }
boddeke 0:208bd045dd31 145
boddeke 1:3348d15fefdb 146 int sleep_time = wakeup_time - time(NULL);
boddeke 1:3348d15fefdb 147
boddeke 1:3348d15fefdb 148 pc.printf("%d: Sleeping %d seconds\r\n",time(NULL),sleep_time);
boddeke 1:3348d15fefdb 149
boddeke 1:3348d15fefdb 150 Thread::wait(10);
boddeke 1:3348d15fefdb 151
boddeke 0:208bd045dd31 152 dot->sleep(sleep_time, mDot::RTC_ALARM_OR_INTERRUPT, true);
boddeke 1:3348d15fefdb 153
boddeke 1:3348d15fefdb 154 pc.printf("%d: Woke up\r\n",time(NULL));
boddeke 0:208bd045dd31 155 }
boddeke 0:208bd045dd31 156 }