Shivanand Gowda
/
mltiplexed_7_segment_displays_over_ethernet
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Dependencies: SN74CBT3257 Binary_Switch OSL10564_74HC595
Revision 1:74ecd404d5e5, committed 2018-10-23
- Comitter:
- shivanandgowdakr
- Date:
- Tue Oct 23 11:58:45 2018 +0000
- Parent:
- 0:ddb5698aa782
- Commit message:
- Multiplexed 7 Segment Displays using Ethernet
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Binary_Switch.lib Tue Oct 23 11:58:45 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/shivanandgowdakr/code/Binary_Switch/#4d49fd0d1451
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OSL10564_74HC595.lib Tue Oct 23 11:58:45 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/shivanandgowdakr/code/OSL10564_74HC595/#a3755014b7f1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SN74CBT3257.lib Tue Oct 23 11:58:45 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/shivanandgowdakr/code/SN74CBT3257/#85ec0f240cb8
--- a/main.cpp Mon Oct 30 16:59:55 2017 +0000
+++ b/main.cpp Tue Oct 23 11:58:45 2018 +0000
@@ -2,21 +2,55 @@
#include "EthernetInterface.h"
#include "TCPServer.h"
#include "TCPSocket.h"
+#include "SN74CBT3257.h"
+#include "Binary_Switch.h"
+#include "7segLed_HC595.h"
+#define NUM_OF_DIGIT 4
+
+
+#define IP "192.168.1.190"
+#define GATEWAY "192.168.1.1"
+#define MASK "255.255.255.0"
+
+ int Validate_Recieved_Packet(char *Packet,int *num0, int *num1, int * num2,int *num3,
+ int * num4, int *num5, int *num6, int *num7);
+
+Serial pc(USBTX,USBRX);
+SN74CBT3257 Bus(PD_0,PD_1,PD_2,PD_3,PD_4,PD_5,PD_6,PD_7 );
+BinarySwitch Switch(PD_8,PD_9,PD_10,PD_11,PD_12,PD_13,PD_14,PD_15);
+SevenSegLed led_7segs(PC_12,PC_10, PC_9, PC_8, NUM_OF_DIGIT);
+
int main()
{
+
+ int N0,N1,N2,N3;
+ int N4,N5,N6,N7;
+ int valid=0;
+ int SUCCESS=-1;
printf("TCP server example\n");
EthernetInterface eth;
- eth.connect();
+ SocketAddress sockaddr;
+ //eth.disconnect();
+ int i=eth.set_network(IP,MASK,GATEWAY);
+ printf("set IP status: %i \r\n",i);
+ i=eth.connect();
+ printf("connect status: %i \r\n",i);
+ const char *ip = eth.get_ip_address();
+ const char *mac = eth.get_mac_address();
+ printf("IP address is: %s\n\r", ip ? ip : "No IP");
+ printf("MAC address is: %s\n\r", mac ? mac : "No MAC");
+
+ printf("set IP status: %i \r\n",i);
printf("The Server IP address is '%s'\n", eth.get_ip_address());
TCPServer srv;
TCPSocket client_sock;
SocketAddress client_addr;
- char *buffer = new char[256];
-
+ char buffer[200] = {'\0'};
+ char Rx_buffer[200] = {'\0'};
/* Open the server on ethernet stack */
srv.open(ð);
@@ -24,15 +58,212 @@
srv.bind(eth.get_ip_address(), 23);
/* Can handle x simultaneous connections */
+
srv.listen(1);
+while(true)
+{
srv.accept(&client_sock, &client_addr);
printf("Accepted %s:%d\n", client_addr.get_ip_address(),
client_addr.get_port());
strcpy(buffer, "Hello \n\r");
- client_sock.send(buffer, strlen(buffer));
- client_sock.recv(buffer, 256);
+ SUCCESS= client_sock.send(buffer, strlen(buffer));
+ if(SUCCESS>=1)
+ {
+ printf("Sent : %s\r\n",buffer);
+ SUCCESS=client_sock.recv(Rx_buffer, 200);
+ }
+
+ if(SUCCESS>=1)
+ {
+ printf("Recieved : %s\r\n",Rx_buffer);
+ printf("Am Here \r\n");
+ }
+ // int Floor=Switch.Read_Switch_State();
+// printf(" You are in Floor number %d : \r\n",Floor);
+
+ valid= Validate_Recieved_Packet(Rx_buffer,&N0,&N1,&N2,&N3,&N4,&N5,&N6,&N7);
+ if(valid==1 && SUCCESS>=1)
+ {
+ valid=-1 ;SUCCESS=-1;
+ wait(0.1);
+ Bus.Select_Floor_Zero();
+
+ led_7segs=N0;
+ printf("Floor 0 Bays Available :%d \r\n",N0);
+ Bus.Select_Floor_One();
+ led_7segs=N1;
+ wait(0.1);
+
+ printf("Floor 1 Bays Available : %d\r\n",N1);
+ Bus.Select_Floor_Two();
+ led_7segs=N2;
+ wait(0.1);
+ printf("Floor 2 Bays Available : %d\r\n",N2);
+ Bus.Select_Floor_Three();
+ led_7segs=N3;
+ wait(0.1);
+ printf("Floor 3 Bays Available : %d\r\n",N3);
+
+ Bus.Select_Floor_Four();
+ led_7segs=N4;
+ printf("Floor 4 ays Available : %d\r\n",N4);
+ Bus.Select_Floor_Five();
+ led_7segs=N5;
+ printf("Floor 5 ays Available : %d\r\n",N5);
+ Bus.Select_Floor_Six();
+ led_7segs=N6;
+ wait(0.1);
+ printf("Floor 6 ays Available : %d\r\n",N6);
+ Bus.Select_Floor_Seven();
+ led_7segs=N7;
+ wait(0.1);
+ printf("Floor 7 ays Available : %d\r\n",N7);
+ wait(1);
+ }
+ client_sock.close();
+ }
+
+}
+
+ int Validate_Recieved_Packet(char *Packet,int *num0, int *num1, int *num2,int *num3,
+ int *num4, int *num5, int *num6, int *num7)
+{
+ if( Packet[0]=='E' && Packet[1]=='S' && Packet[2]=='T' && Packet[3]=='S'
+ && Packet[4]==' ' && Packet[12]==',' && Packet[20]==',' && Packet[28]==','
+ && Packet[36]==',' && Packet[44]==',' && Packet[52]==',' && Packet[60]==','
+ && Packet[68]==' ' && Packet[69]=='E' && Packet[70]=='S' && Packet[71]=='T'
+ && Packet[72]=='E')
+
+ {
+ printf("Valid Data R4ecieved \r\n");
- client_sock.close();
- delete[] buffer;
+ if(Packet[5]=='0' && Packet[6]=='0')
+ {
+ printf("Zeroth Floor \r\n");
+ int one,two,three,four;
+ four=Packet[8]-0x30;
+ three=Packet[9]-0x30;
+ two=Packet[10]-0x30;
+ one=Packet[11]-0x30;
+ *num0=four*1000+three*100+two*10+one;
+ }
+
+ if(Packet[13]=='0' && Packet[14]=='1')
+ {
+ printf("First Floor \r\n");
+ int one,two,three,four;
+ four=Packet[16]-0x30;
+ three=Packet[17]-0x30;
+ two=Packet[18]-0x30;
+ one=Packet[19]-0x30;
+ *num1=four*1000+three*100+two*10+one;
+ }
+
+ if(Packet[21]=='0' && Packet[22]=='2')
+ {
+ printf("Second Floor \r\n");
+ int one,two,three,four;
+ four=Packet[24]-0x30;
+ three=Packet[25]-0x30;
+ two=Packet[26]-0x30;
+ one=Packet[27]-0x30;
+ *num2=four*1000+three*100+two*10+one;
+ }
+
+ if(Packet[29]=='0' && Packet[30]=='3')
+ {
+ printf("Three Floor \r\n");
+ int one,two,three,four;
+ four=Packet[32]-0x30;
+ three=Packet[33]-0x30;
+ two=Packet[34]-0x30;
+ one=Packet[35]-0x30;
+ *num3=four*1000+three*100+two*10+one;
+ }
+
+ if(Packet[37]=='0' && Packet[38]=='4')
+ {
+ printf("Fourth Floor \r\n");
+ int one,two,three,four;
+ four=Packet[40]-0x30;
+ three=Packet[41]-0x30;
+ two=Packet[42]-0x30;
+ one=Packet[43]-0x30;
+ *num4=four*1000+three*100+two*10+one;
+ }
+
+ if(Packet[45]=='0' && Packet[46]=='5')
+ {
+ printf("Fifth Floor \r\n");
+ int one,two,three,four;
+ four=Packet[48]-0x30;
+ three=Packet[49]-0x30;
+ two=Packet[50]-0x30;
+ one=Packet[51]-0x30;
+ *num5=four*1000+three*100+two*10+one;
+ }
+
+ if(Packet[53]=='0' && Packet[54]=='6')
+ {
+ printf("Sixth Floor \r\n");
+ int one,two,three,four;
+ four=Packet[56]-0x30;
+ three=Packet[57]-0x30;
+ two=Packet[58]-0x30;
+ one=Packet[59]-0x30;
+ *num6=four*1000+three*100+two*10+one;
+ }
+
+ if(Packet[61]=='0' && Packet[62]=='7')
+ {
+ int one,two,three,four;
+ four=Packet[64]-0x30;
+ three=Packet[65]-0x30;
+ two=Packet[66]-0x30;
+ one=Packet[67]-0x30;
+ *num7=four*1000+three*100+two*10+one;
+ printf("Seventh Floor : \r\n");
+ }
+ return 1;
+ }
+ else
+ {
+ return -1;
+ }
}
+
+
+
+int Validate_Card_Reply_Packet(char *rbuffer,char *barc_string)
+{
+ int i=0,j=0;
+ if(rbuffer[0]=='1' &&rbuffer[1]=='1' && rbuffer[2]=='1' &&rbuffer[3]=='1'
+ && rbuffer[4]==':' &&rbuffer[19]==',' && rbuffer[20]=='C' &&
+ rbuffer[21]=='A' && rbuffer[22]=='R' && rbuffer[23]=='D' && rbuffer[24]==',')
+
+ {
+ //printf("Valid card ................................Reply \r\n");
+ i=25;
+ while(rbuffer[i]!=',')
+ {
+ if(rbuffer[i]=='\r'|rbuffer[i]=='\n') {
+ i++;
+ }
+ else {
+ barc_string[j]=rbuffer[i];
+ i++;
+ j++;
+ }
+ }
+ barc_string[i++]='\0';
+ //printf(" Valid card reply:%s",barc_string);
+ return j;
+ }
+ else
+ return 0;
+
+}
+
+
+