Scott Jeong
Network clock using 7 segment.
Dependencies: SNTPClient WIZnetInterface mbed
Fork of
mbed_blinky
by 
Mbed
Revision 11:8a1ab8deea2b, committed 2016-03-01
- Comitter:
- nanjsk
- Date:
- Tue Mar 01 17:26:46 2016 +0000
- Parent:
- 10:3e42ca878d11
- Child:
- 12:e60d3d6f24e8
- Commit message:
- first
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SNTPClient.lib Tue Mar 01 17:26:46 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/xeon011/code/SNTPClient/#137fc24033c4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WIZnetInterface.lib Tue Mar 01 17:26:46 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/WIZnet/code/WIZnetInterface/#3b64df29662f
--- a/main.cpp Sun Jan 17 03:25:27 2016 +0000
+++ b/main.cpp Tue Mar 01 17:26:46 2016 +0000
@@ -1,12 +1,109 @@
#include "mbed.h"
+#include "segment.h"
+#include "EthernetInterface.h"
+#include "SNTPClient.h"
+
+Serial pc(USBTX,USBRX);
+EthernetInterface eth;
+datetime ntptime;
-DigitalOut myled(LED1);
+InterruptIn SW1(PA_15);
+DigitalOut ledR(LED1);
+DigitalOut ledG(LED2);
+DigitalOut ledB(LED3);
+
+struct tm timeinfo;
+
+uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x11, 0x22, 0xab};
+//char ip_addr[4] = {222,98,173.222};
+//char mask_addr[4] = {255,255,255,0};
+//char gw_addr[4] = {222,98,173,254};
+uint8_t display_mode = 0;
-int main() {
- while(1) {
- myled = 1;
- wait(0.2);
- myled = 0;
- wait(0.2);
+void time_set(){
+ timeinfo.tm_mon = ntptime.mo-1;
+ timeinfo.tm_mday = ntptime.dd;
+ timeinfo.tm_hour = ntptime.hh;
+ timeinfo.tm_min = ntptime.mm;
+ timeinfo.tm_sec = ntptime.ss;
+ timeinfo.tm_year = ntptime.yy-1900;
+ //printf("%d-%d-%d, %02d:%02d:%02d\r\n", timeinfo.tm_year, timeinfo.tm_mon, timeinfo.tm_mday, timeinfo.tm_hour, timeinfo.tm_min, timeinfo.tm_sec);
+ time_t t =mktime(&timeinfo);
+ set_time(t);
+ t = time(NULL);
+}
+
+uint8_t SNTP_Connect(){
+ printf("Getting time information by using NTP...\r\n");
+
+ SNTPClient sntp("time.nist.gov", 40); // timezone: Korea, Republic of
+ sntp.connect();
+ if(sntp.getTime(&ntptime) == true)
+ {
+ printf("%d-%d-%d, %02d:%02d:%02d\r\n", ntptime.yy, ntptime.mo, ntptime.dd, ntptime.hh, ntptime.mm, ntptime.ss);
+ printf("Completed Get and Set Time\r\n\r\n");
+ ledR = 0;
+ return 0;
+ }
+ else
+ {
+ while(sntp.getTime(&ntptime) == true)
+ {
+ break;
+ }
+ return 1;
}
}
+
+void SW1_Interrupt(){
+ ledG=!ledG;
+ display_mode = display_mode + 1;
+ if(display_mode == 2) display_mode = 0;
+ pc.printf("Display Mode : %d\n\r",display_mode);
+}
+
+int main() {
+ pc.baud(115200);
+ wait(0.5f);
+ printf("Hello WIZwiki-W7500!\n\r");
+ printf("===========================================\n\r");
+ ledR = ledG = ledB = 1;
+
+ Seg_Reset();
+
+ eth.init(mac_addr); //Use DHCP
+ //eth.init(mac_addr, ip_addr, mask_addr, gw_addr);
+ printf("Check Ethernet Link\r\n");
+ while(1) //Wait link up
+ {
+ if(eth.link() == true)
+ break;
+ }
+ printf("Link up\r\n");
+ eth.connect();
+ printf("My IP Address is %s\r\n", eth.getIPAddress());
+
+ //printf("SNTP_Connect : %d\r\n",SNTP_Connect());
+ while(SNTP_Connect());
+ time_set();
+
+ char ymd_buffer[8];
+ char hms_buffer[6];
+
+ SW1.fall(&SW1_Interrupt);
+ while(1) {
+ time_t seconds = time(NULL);
+ //ymd_buffer[0]~[3] : Year
+ //ymd_buffer[4]~[5] : Month
+ //ymd_buffer[6]~[7] : Day
+ strftime(ymd_buffer, 8, "%Y%m%d%\n\r", localtime(&seconds));
+ //hms_buffer[0]~[1] : Hour
+ //hms_buffer[2]~[3] : Minute
+ //hms_buffer[4]~[5] : Second
+ strftime(hms_buffer, 6, "%H%M%S\n\r", localtime(&seconds));
+
+ if(display_mode == 0) display_hms(hms_buffer);
+ else if(display_mode == 1) display_ymd(ymd_buffer);
+ else display_hms(hms_buffer);
+ }
+}
\ No newline at end of file
--- a/mbed.bld Sun Jan 17 03:25:27 2016 +0000 +++ b/mbed.bld Tue Mar 01 17:26:46 2016 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/6f327212ef96 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/segment.cpp Tue Mar 01 17:26:46 2016 +0000
@@ -0,0 +1,108 @@
+#include "mbed.h"
+#include "segment.h"
+Serial pc1(USBTX,USBRX);
+
+BusOut Seg_num(D0,D1,D2,D3,D4,D5,D6,D7);
+BusOut Seg_Sel(D8,D9,D10,D11,D12,D13,D14,D15);
+
+uint8_t SEGMENTS[37] = {
+ //*********************************************************
+ // 7segment pattern,
+ //*********************************************************
+ // seg: g f e d c b a
+ // bit: 6 5 4 3 2 1 0
+ // --------------------
+ 0xC0, // 0 1 0 0 0 0 0 0
+ 0xF9, // 1 1 1 1 1 0 0 1
+ 0xA4, // 2 0 1 0 0 1 0 0
+ 0xB0, // 3 0 1 1 0 0 0 0
+ 0x99, // 4 0 0 1 1 0 0 1
+ 0x92, // 5 0 0 1 0 0 1 0
+ 0x82, // 6 0 0 0 0 0 1 0
+ 0xD8, // 7 1 0 1 1 0 0 0
+ 0x80, // 8 0 0 0 0 0 0 0
+ 0x90, // 9 0 0 1 0 0 0 0
+ 0x88, // A 0 0 0 1 0 0 0
+ 0x83, // B 0 0 0 0 0 1 1
+ 0xC6, // C 1 0 0 0 1 1 0
+ 0xA1, // D 0 1 0 0 0 0 1
+ 0x86, // E 0 0 0 0 1 1 0
+ 0x8E, // F 0 0 0 1 1 1 0
+ 0xC2, // G 1 0 0 0 0 1 0
+ 0x8B, // H 0 0 0 1 0 1 1
+ 0xCF, // I 1 0 0 1 1 1 1
+ 0xE1, // J 1 1 0 0 0 0 1
+ 0x8A, // K 0 0 0 1 0 1 0
+ 0xC7, // L 1 0 0 0 1 1 1
+ 0xEA, // M 1 1 0 1 0 1 0
+ 0xAB, // N 0 1 0 1 0 1 1
+ 0xA3, // O 0 1 0 0 0 1 1
+ 0x8C, // P 0 0 0 1 1 0 0
+ 0x98, // Q 0 0 1 1 0 0 0
+ 0xCC, // R 1 0 0 1 1 0 0
+ 0x96, // S 0 0 1 0 1 1 0
+ 0x87, // T 0 0 0 0 1 1 1
+ 0xE3, // U 1 1 0 0 0 1 1
+ 0xC1, // V 1 0 0 0 0 0 1
+ 0xD5, // W 1 0 1 0 1 0 1
+ 0x89, // X 0 0 0 1 0 0 1
+ 0x91, // Y 0 0 1 0 0 0 1
+ 0xB4, // Z 0 1 1 0 1 0 0
+ 0xFF // 1 1 1 1 1 1 1
+ };
+
+uint8_t SEGMENT_SEL[9] = {0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
+
+void Seg_Drive(int seg, int num, int dot) {
+ Seg_num = 0xff;
+ Seg_Sel = SEGMENT_SEL[seg];
+ if(dot == 1){
+ Seg_num = SEGMENTS[num] & 0x7F;
+ }
+ else {
+ Seg_num = SEGMENTS[num];
+ }
+ wait_ms(1);
+}
+
+void Seg_Test(){
+ for(int j = 1 ; j <9 ; j++){
+ pc1.printf("SEGMENT_SEL : %x\r\n",SEGMENT_SEL[j]);
+ for(int i = 0; i<10 ; i++){
+ Seg_Drive(j,i,1);
+ pc1.printf("Seg Num : %d\r\n",i);
+ wait(0.05);
+ }
+ }
+ Seg_num = 0xff;
+}
+
+void Seg_Reset(){
+ Seg_num = 0xff;
+ Seg_Sel = 0x00;
+}
+
+void display_ymd(char buffer[]){
+ int dot = 0;
+ for(int i = 0 ; i <= 7 ; i++){
+ if(i == 3) dot = 1;
+ else if(i == 5) dot = 1;
+ else if(i == 7) dot = 1;
+ else dot = 0;
+ buffer[i] -= 48;
+ Seg_Drive(i+1,buffer[i],dot);
+ }
+
+}
+
+void display_hms(char buffer[]){
+ int dot = 0;
+ for(int i = 0 ; i < 6 ; i++){
+ if(i == 1) dot = 1;
+ else if(i == 3) dot = 1;
+ else if(i == 5) dot = 1;
+ else dot = 0;
+ buffer[i] -= 48;
+ Seg_Drive(i+2,buffer[i],dot);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/segment.h Tue Mar 01 17:26:46 2016 +0000 @@ -0,0 +1,6 @@ + +void Seg_Drive(int seg, int num, int dot); +void Seg_Test(); +void Seg_Reset(); +void display_ymd(char buffer[]); +void display_hms(char buffer[]); \ No newline at end of file