William Ye
/
internet_clock
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Dependencies: 4DGL-uLCD-SE EthernetInterface NTPClient mbed-rtos mbed
Revision 0:80d83068b7bd, committed 2016-01-30
- Comitter:
- wye11
- Date:
- Sat Jan 30 07:33:17 2016 +0000
- Commit message:
- internet clock via ethernet;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Sat Jan 30 07:33:17 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sparkfun/code/4DGL-uLCD-SE/#e39a44de229a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetInterface.lib Sat Jan 30 07:33:17 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sparkfun/code/EthernetInterface/#2fc406e2553f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPClient.lib Sat Jan 30 07:33:17 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sparkfun/code/NTPClient/#881559865a93
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Jan 30 07:33:17 2016 +0000
@@ -0,0 +1,63 @@
+// Internet Clock with LCD based on the work by Jim Hamblen and Tyler Lisowski
+
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "NTPClient.h"
+#include "uLCD_4DGL.h"
+
+// Parameters
+char* domain_name = "0.uk.pool.ntp.org";
+int port_number = 123;
+
+// Networking
+EthernetInterface eth;
+NTPClient ntp_client;
+
+// Graphic LCD - TX, RX, and RES pins
+uLCD_4DGL uLCD(p9,p10,p11);
+
+int main() {
+
+ time_t ct_time;
+ char time_buffer[80];
+
+ // Initialize LCD
+ uLCD.baudrate(115200);
+ uLCD.background_color(BLACK);
+ uLCD.cls();
+
+ // Connect to network and wait for DHCP
+ uLCD.locate(0,0);
+ uLCD.printf("Getting IP Address\n");
+ eth.init();
+ if ( eth.connect() == -1 ) {
+ uLCD.printf("ERROR: Could not\nget IP address");
+ return -1;
+ }
+ uLCD.printf("IP address is \n%s\n\n",eth.getIPAddress());
+ wait(1);
+
+ // Read time from server
+ uLCD.printf("Reading time...\n\r");
+ ntp_client.setTime(domain_name, port_number);
+ uLCD.printf("Time set\n");
+ wait(2);
+ eth.disconnect();
+
+ // Reset LCD
+ uLCD.background_color(WHITE);
+ uLCD.textbackground_color(WHITE);
+ uLCD.color(RED);
+ uLCD.cls();
+ uLCD.text_height(2);
+
+ // Loop and update clock
+ while (1) {
+ uLCD.locate(0, 1);
+ ct_time = time(NULL);
+ strftime(time_buffer, 80, " %a %b %d\n %T %p %z\n %Z\n", \
+ localtime(&ct_time));
+ uLCD.printf(" UTC/GMT:\n%s", time_buffer);
+ wait(0.1);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Sat Jan 30 07:33:17 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sparkfun/code/mbed-rtos/#bc9729798a19
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Jan 30 07:33:17 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6f327212ef96 \ No newline at end of file
