4180 / Mbed 2 deprecated Internet_LCD_Clock

Clock

Dependencies:   4DGL-uLCD-SE EthernetInterface NTPClient TextLCD mbed PinDetect SDFileSystem wave_player mbed-rtos

Fork of Internet_LCD_Clock by jim hamblen

Internet_LCD_Clock.cpp@3:b4e7f126c80a, 2016-04-11 (annotated)

Committer:
ashea6
Date:
Mon Apr 11 17:56:48 2016 +0000
Revision:
3:b4e7f126c80a
Parent:
1:09fcc9b81f23
Child:
5:818735a07b88
functions

Who changed what in which revision?

UserRevisionLine numberNew contents of line
4180_1 0:5c5226aac712 1 #include "mbed.h"
4180_1 0:5c5226aac712 2 #include "EthernetNetIf.h"
4180_1 0:5c5226aac712 3 #include "NTPClient.h"
ashea6 3:b4e7f126c80a 4 #include "uLCD_4DGL.h"
ashea6 3:b4e7f126c80a 5 #include "Speaker.h"
ashea6 3:b4e7f126c80a 6 #include "SDFileSystem.h"
ashea6 3:b4e7f126c80a 7 #include "wave_player.h"
ashea6 3:b4e7f126c80a 8 #include <vector>
ashea6 3:b4e7f126c80a 9 #include <string>
ashea6 3:b4e7f126c80a 10
4180_1 0:5c5226aac712 11 // Internet of Things clock example: LCD time is set via internet NTP time server
ashea6 3:b4e7f126c80a 12 uLCD_4DGL lcd(p28,p27,p29); // create a global LCD object
4180_1 0:5c5226aac712 13 EthernetNetIf eth;
4180_1 0:5c5226aac712 14 NTPClient ntp;
ashea6 3:b4e7f126c80a 15 SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
ashea6 3:b4e7f126c80a 16 AnalogOut DACout(p18); //speaker
ashea6 3:b4e7f126c80a 17 wave_player waver(&DACout);
ashea6 3:b4e7f126c80a 18 PinDetect snooze(p15); //snooze button
ashea6 3:b4e7f126c80a 19 PinDetect off(p16); //turn alarm off
ashea6 3:b4e7f126c80a 20
ashea6 3:b4e7f126c80a 21 #define snoozeTime 420
ashea6 3:b4e7f126c80a 22
ashea6 3:b4e7f126c80a 23 //Global Variables
ashea6 3:b4e7f126c80a 24 //variables for SD sound
ashea6 3:b4e7f126c80a 25 vector <string> filenames;
ashea6 3:b4e7f126c80a 26 int current = 0;
ashea6 3:b4e7f126c80a 27 bool play = false; sd_insert = false;
ashea6 3:b4e7f126c80a 28 static int veclen = 5;
ashea6 3:b4e7f126c80a 29 FILE *wave_file;
ashea6 3:b4e7f126c80a 30 //variables for alarm
ashea6 3:b4e7f126c80a 31 //system time structure
ashea6 3:b4e7f126c80a 32 time_t ctTime; //ctTime = current time
ashea6 3:b4e7f126c80a 33 // Base alarm time-24 hour clock
ashea6 3:b4e7f126c80a 34 int baseAlarmHour = 0; //0-23
ashea6 3:b4e7f126c80a 35 int baseAlarmMin = 0;
ashea6 3:b4e7f126c80a 36 // Current alarm time
ashea6 3:b4e7f126c80a 37 int curAlarmHour = 0; //0-23
ashea6 3:b4e7f126c80a 38 int curAlarmMin = 0;
ashea6 3:b4e7f126c80a 39
ashea6 3:b4e7f126c80a 40 //Check for SD Card
ashea6 3:b4e7f126c80a 41 void sd_check(){
ashea6 3:b4e7f126c80a 42 int sdPre = sdd.read();
ashea6 3:b4e7f126c80a 43 while (sdPre == 0){
ashea6 3:b4e7f126c80a 44 lcd.locate(0,0);
ashea6 3:b4e7f126c80a 45 lcd.printf("Insert SD card");
ashea6 3:b4e7f126c80a 46 sdPre = sdd.read();
ashea6 3:b4e7f126c80a 47 wait (.5);
ashea6 3:b4e7f126c80a 48 }
ashea6 3:b4e7f126c80a 49 lcd.cls();
ashea6 3:b4e7f126c80a 50 }
ashea6 3:b4e7f126c80a 51
ashea6 3:b4e7f126c80a 52 //Read File Names
ashea6 3:b4e7f126c80a 53 void read_file_names(char *dir)
ashea6 3:b4e7f126c80a 54 {
ashea6 3:b4e7f126c80a 55 DIR *dp;
ashea6 3:b4e7f126c80a 56 struct dirent *dirp;
ashea6 3:b4e7f126c80a 57 dp = opendir(dir);
ashea6 3:b4e7f126c80a 58 //read all directory and file names in current directory into filename vector
ashea6 3:b4e7f126c80a 59 while((dirp = readdir(dp)) != NULL) {
ashea6 3:b4e7f126c80a 60 filenames.push_back(string(dirp->d_name));
ashea6 3:b4e7f126c80a 61 }
ashea6 3:b4e7f126c80a 62 }
ashea6 3:b4e7f126c80a 63
ashea6 3:b4e7f126c80a 64 //Play file from SD card
ashea6 3:b4e7f126c80a 65 void play_file()
ashea6 3:b4e7f126c80a 66 {
ashea6 3:b4e7f126c80a 67 bool* play_point = &play;
ashea6 3:b4e7f126c80a 68 string file_name("/sd/");
ashea6 3:b4e7f126c80a 69 file_name += filenames[current];
ashea6 3:b4e7f126c80a 70 wave_file = fopen(file_name.c_str(),"r");
ashea6 3:b4e7f126c80a 71 while(play){
ashea6 3:b4e7f126c80a 72 waver.play(wave_file, play_point);
ashea6 3:b4e7f126c80a 73 }
ashea6 3:b4e7f126c80a 74 fclose(wave_file);
ashea6 3:b4e7f126c80a 75 }
ashea6 3:b4e7f126c80a 76
ashea6 3:b4e7f126c80a 77 //Interrupt-Snooze Function
ashea6 3:b4e7f126c80a 78 void snooze_hit_callback (void)
ashea6 3:b4e7f126c80a 79 {
ashea6 3:b4e7f126c80a 80 play = false;
ashea6 3:b4e7f126c80a 81 time_t = newtime;
ashea6 3:b4e7f126c80a 82 struct tm * timeinfo;
ashea6 3:b4e7f126c80a 83
ashea6 3:b4e7f126c80a 84 newtime = ctTime + snoozeTime;
ashea6 3:b4e7f126c80a 85 timeinfo = localtime (&newtime);
ashea6 3:b4e7f126c80a 86 curAlarmMin = timeinfo.tm_min;
ashea6 3:b4e7f126c80a 87 curAlarmHour = timeinfo.tm_hour;
ashea6 3:b4e7f126c80a 88 }
ashea6 3:b4e7f126c80a 89
ashea6 3:b4e7f126c80a 90 //Interrupt- Off Function
ashea6 3:b4e7f126c80a 91 void off_hit_callback (void)
ashea6 3:b4e7f126c80a 92 {
ashea6 3:b4e7f126c80a 93 play = false;
ashea6 3:b4e7f126c80a 94 curAlarmMin = baseAlarmMin;
ashea6 3:b4e7f126c80a 95 curAlarmHour = baseAlarmHour;
ashea6 3:b4e7f126c80a 96 }
ashea6 3:b4e7f126c80a 97 //Time Compare Function
ashea6 3:b4e7f126c80a 98 void timeCompare()
ashea6 3:b4e7f126c80a 99 {
ashea6 3:b4e7f126c80a 100 struct tm * timeinfo;
ashea6 3:b4e7f126c80a 101
ashea6 3:b4e7f126c80a 102 //time(&ctTime);
ashea6 3:b4e7f126c80a 103 timeinfo = localtime (&ctTime);
ashea6 3:b4e7f126c80a 104 if (timeinfo.tm_min == curAlarmMin && timeinfo.tm_hour == curAlarmHour)
ashea6 3:b4e7f126c80a 105 {
ashea6 3:b4e7f126c80a 106 play = true;
ashea6 3:b4e7f126c80a 107 play_file();
ashea6 3:b4e7f126c80a 108 }
ashea6 3:b4e7f126c80a 109 }
ashea6 3:b4e7f126c80a 110
4180_1 0:5c5226aac712 111
4180_1 0:5c5226aac712 112 int main() {
ashea6 3:b4e7f126c80a 113
ashea6 3:b4e7f126c80a 114 snooze.mode(PullUp);
ashea6 3:b4e7f126c80a 115 off.mode(PullUp);
ashea6 3:b4e7f126c80a 116 wait(.01);
ashea6 3:b4e7f126c80a 117 snooze.attach_deasserted(&snooze_hit_callback);
ashea6 3:b4e7f126c80a 118 off.attach_deasserted(&off_hit_callback);
ashea6 3:b4e7f126c80a 119 snooze.setSampleFrequency();
ashea6 3:b4e7f126c80a 120 off.setSampleFrequency();
ashea6 3:b4e7f126c80a 121
4180_1 0:5c5226aac712 122 //clear LCD
4180_1 0:5c5226aac712 123 lcd.cls();
4180_1 0:5c5226aac712 124 // lcd.printf prints to LCD display;
4180_1 0:5c5226aac712 125 lcd.printf("Get IP addr...");
4180_1 0:5c5226aac712 126 EthernetErr ethErr = eth.setup();
4180_1 0:5c5226aac712 127 //Get an Internet IP address using DHCP
4180_1 0:5c5226aac712 128 if (ethErr) {
4180_1 0:5c5226aac712 129 //error or timeout getting an IP address
4180_1 0:5c5226aac712 130 lcd.cls();
4180_1 0:5c5226aac712 131 lcd.printf("Network Error \n\r %d",ethErr);
4180_1 0:5c5226aac712 132 return -1;
4180_1 0:5c5226aac712 133 }
4180_1 0:5c5226aac712 134 lcd.cls();
4180_1 0:5c5226aac712 135 lcd.printf("Reading Time...\n\r");
4180_1 0:5c5226aac712 136 //specify time server URL
4180_1 0:5c5226aac712 137 Host server(IpAddr(), 123, "0.uk.pool.ntp.org");
4180_1 0:5c5226aac712 138 //Read time from server
4180_1 0:5c5226aac712 139 ntp.setTime(server);
4180_1 0:5c5226aac712 140 lcd.printf("Time set");
4180_1 0:5c5226aac712 141 //Delay for human time to read LCD display
4180_1 0:5c5226aac712 142 wait(1);
4180_1 0:5c5226aac712 143 while (1) {
4180_1 0:5c5226aac712 144 // loop and periodically update the LCD's time display
4180_1 0:5c5226aac712 145 lcd.cls();
4180_1 0:5c5226aac712 146 ctTime = time(NULL);
4180_1 0:5c5226aac712 147 lcd.printf("UTC: %s", ctime(&ctTime));
ashea6 3:b4e7f126c80a 148 timeCompare();
4180_1 0:5c5226aac712 149 wait(.25);
4180_1 0:5c5226aac712 150 }
4180_1 0:5c5226aac712 151 }