Xuyi Wang / Mbed OS OS

Operating System

Dependencies:   UnitTest wolfssh mDNS wolfcrypt wolfSSL

This is an embedded operating system for K64F. It includes a ssh server, a web-server and mDNS server. It has POST on boot. The main purpose of the OS is a router for the thing network.

main.cpp@2:453e73d66757, 2019-06-13 (annotated)

Committer:
sPymbed
Date:
Thu Jun 13 14:20:16 2019 +0000
Revision:
2:453e73d66757
Parent:
1:4059ac7ebc65
Child:
3:351ee68a721d
added: write and read function

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sPymbed 0:97ba3e2cd071 1 #include "mbed.h"
sPymbed 0:97ba3e2cd071 2 #include <EthernetInterface.h>
sPymbed 0:97ba3e2cd071 3 #include <FreescaleIAP.h>
sPymbed 0:97ba3e2cd071 4 #include <drivers/vga.h>
sPymbed 0:97ba3e2cd071 5 #include <gui/desktop.h>
sPymbed 0:97ba3e2cd071 6
sPymbed 0:97ba3e2cd071 7 //#define DEBUG
sPymbed 0:97ba3e2cd071 8 //#define GRAPHICSMODE
sPymbed 0:97ba3e2cd071 9
sPymbed 0:97ba3e2cd071 10 const int PORT = 8000;
sPymbed 0:97ba3e2cd071 11
sPymbed 0:97ba3e2cd071 12 static const char* SERVER_IP = "172.26.10.207"; //IP of server board
sPymbed 0:97ba3e2cd071 13 char screen[3840];
sPymbed 0:97ba3e2cd071 14
sPymbed 0:97ba3e2cd071 15 DigitalOut red(LED_RED);
sPymbed 0:97ba3e2cd071 16 DigitalOut blue(LED_BLUE);
sPymbed 0:97ba3e2cd071 17 DigitalOut green(LED_GREEN);
sPymbed 0:97ba3e2cd071 18
sPymbed 1:4059ac7ebc65 19 class PrintfTCPHandler
sPymbed 0:97ba3e2cd071 20 {
sPymbed 1:4059ac7ebc65 21 public:
sPymbed 0:97ba3e2cd071 22 bool HandleTransmissionControlProtocolMessage(TCPSocket* socket, char* data, uint16_t size)
sPymbed 0:97ba3e2cd071 23 {
sPymbed 0:97ba3e2cd071 24 if(size > 9
sPymbed 0:97ba3e2cd071 25 && data[0] == 'G'
sPymbed 0:97ba3e2cd071 26 && data[1] == 'E'
sPymbed 0:97ba3e2cd071 27 && data[2] == 'T'
sPymbed 0:97ba3e2cd071 28 && data[3] == ' '
sPymbed 0:97ba3e2cd071 29 && data[4] == '/'
sPymbed 0:97ba3e2cd071 30 && data[5] == ' '
sPymbed 0:97ba3e2cd071 31 && data[6] == 'H'
sPymbed 0:97ba3e2cd071 32 && data[7] == 'T'
sPymbed 0:97ba3e2cd071 33 && data[8] == 'T'
sPymbed 0:97ba3e2cd071 34 && data[9] == 'P'
sPymbed 0:97ba3e2cd071 35 )
sPymbed 0:97ba3e2cd071 36 {
sPymbed 0:97ba3e2cd071 37 socket->send((uint8_t*)"HTTP/1.1 200 OK\r\nServer: MyOS\r\nContent-Type: text/html\r\n\r\n<html><head><title>My Operating System</title></head><body><b>My Operating System</b> http://www.AlgorithMan.de</body></html>\r\n", 184);
sPymbed 0:97ba3e2cd071 38 socket->close();
sPymbed 0:97ba3e2cd071 39 }
sPymbed 0:97ba3e2cd071 40
sPymbed 0:97ba3e2cd071 41 return true;
sPymbed 0:97ba3e2cd071 42 }
sPymbed 1:4059ac7ebc65 43 };
sPymbed 0:97ba3e2cd071 44
sPymbed 2:453e73d66757 45 void write(unsigned int n, unsigned int addressOfX, char X){
sPymbed 2:453e73d66757 46 unsigned int address = n * SECTOR_SIZE; //Write in last sector
sPymbed 2:453e73d66757 47 char *data = (char*)address; //Read
sPymbed 2:453e73d66757 48 // This works in C and C++
sPymbed 2:453e73d66757 49 char b[SECTOR_SIZE];
sPymbed 2:453e73d66757 50 b[addressOfX] = X;
sPymbed 2:453e73d66757 51 memcpy(b, data, SECTOR_SIZE * sizeof(char)); // int is a POD
sPymbed 2:453e73d66757 52 erase_sector(address);
sPymbed 2:453e73d66757 53 program_flash(address, b, SECTOR_SIZE); //an integers has four bytes each.
sPymbed 2:453e73d66757 54 }
sPymbed 2:453e73d66757 55
sPymbed 2:453e73d66757 56 char read(unsigned int address){
sPymbed 2:453e73d66757 57 char *data = (char*)address; //Read
sPymbed 2:453e73d66757 58 return data[0];
sPymbed 2:453e73d66757 59 }
sPymbed 2:453e73d66757 60
sPymbed 0:97ba3e2cd071 61 int main() {
sPymbed 0:97ba3e2cd071 62 red = 1;
sPymbed 0:97ba3e2cd071 63 blue = 0;
sPymbed 0:97ba3e2cd071 64 green = 1;
sPymbed 0:97ba3e2cd071 65
sPymbed 0:97ba3e2cd071 66 printf("Hello World! --- http://www.AlgorithMan.de\n");
sPymbed 0:97ba3e2cd071 67
sPymbed 0:97ba3e2cd071 68 //TaskManager taskManager;
sPymbed 0:97ba3e2cd071 69 /*
sPymbed 0:97ba3e2cd071 70 Task task1(&gdt, taskA);
sPymbed 0:97ba3e2cd071 71 Task task2(&gdt, taskB);
sPymbed 0:97ba3e2cd071 72 taskManager.AddTask(&task1);
sPymbed 0:97ba3e2cd071 73 taskManager.AddTask(&task2);
sPymbed 0:97ba3e2cd071 74 */
sPymbed 0:97ba3e2cd071 75
sPymbed 0:97ba3e2cd071 76 //InterruptManager interrupts(0x20, &gdt, &taskManager);
sPymbed 0:97ba3e2cd071 77 //SyscallHandler syscalls(&interrupts, 0x80);
sPymbed 0:97ba3e2cd071 78
sPymbed 0:97ba3e2cd071 79 printf("Initializing Hardware, Stage 1\n");
sPymbed 0:97ba3e2cd071 80
sPymbed 0:97ba3e2cd071 81 #ifdef GRAPHICSMODE
sPymbed 0:97ba3e2cd071 82 Desktop desktop(320, 200, 0x00, 0x00, 0xA8);
sPymbed 0:97ba3e2cd071 83 #endif
sPymbed 0:97ba3e2cd071 84
sPymbed 0:97ba3e2cd071 85 //DriverManager drvManager;
sPymbed 0:97ba3e2cd071 86
sPymbed 0:97ba3e2cd071 87 #ifdef GRAPHICSMODE
sPymbed 0:97ba3e2cd071 88 //KeyboardDriver keyboard(&interrupts, &desktop);
sPymbed 0:97ba3e2cd071 89 #else
sPymbed 0:97ba3e2cd071 90 //PrintfKeyboardEventHandler kbhandler;
sPymbed 0:97ba3e2cd071 91 //KeyboardDriver keyboard(&interrupts, &kbhandler);
sPymbed 0:97ba3e2cd071 92 #endif
sPymbed 0:97ba3e2cd071 93 //drvManager.AddDriver(&keyboard);
sPymbed 0:97ba3e2cd071 94
sPymbed 0:97ba3e2cd071 95
sPymbed 0:97ba3e2cd071 96 #ifdef GRAPHICSMODE
sPymbed 0:97ba3e2cd071 97 //MouseDriver mouse(&interrupts, &desktop);
sPymbed 0:97ba3e2cd071 98 #else
sPymbed 0:97ba3e2cd071 99 //MouseToConsole mousehandler;
sPymbed 0:97ba3e2cd071 100 //MouseDriver mouse(&interrupts, &mousehandler);
sPymbed 0:97ba3e2cd071 101 #endif
sPymbed 0:97ba3e2cd071 102 //drvManager.AddDriver(&mouse);
sPymbed 0:97ba3e2cd071 103
sPymbed 0:97ba3e2cd071 104 //PeripheralComponentInterconnectController PCIController;
sPymbed 0:97ba3e2cd071 105 //PCIController.SelectDrivers(&drvManager, &interrupts);
sPymbed 0:97ba3e2cd071 106
sPymbed 0:97ba3e2cd071 107 #ifdef GRAPHICSMODE
sPymbed 0:97ba3e2cd071 108 VideoGraphicsArray vga;
sPymbed 0:97ba3e2cd071 109 #endif
sPymbed 0:97ba3e2cd071 110
sPymbed 0:97ba3e2cd071 111 printf("Initializing Hardware, Stage 2\n");
sPymbed 0:97ba3e2cd071 112 //drvManager.ActivateAll();
sPymbed 0:97ba3e2cd071 113
sPymbed 0:97ba3e2cd071 114 printf("Initializing Hardware, Stage 3\n");
sPymbed 0:97ba3e2cd071 115
sPymbed 0:97ba3e2cd071 116 #ifdef GRAPHICSMODE
sPymbed 0:97ba3e2cd071 117 vga.SetMode(320, 200, 8);
sPymbed 0:97ba3e2cd071 118 Window win1(&desktop, 10, 10, 20, 20, 0xA8, 0x00, 0x00);
sPymbed 0:97ba3e2cd071 119 desktop.AddChild(&win1);
sPymbed 0:97ba3e2cd071 120 Window win2(&desktop, 40, 15, 30, 30, 0x00, 0xA8, 0x00);
sPymbed 0:97ba3e2cd071 121 desktop.AddChild(&win2);
sPymbed 0:97ba3e2cd071 122 #endif
sPymbed 0:97ba3e2cd071 123
sPymbed 0:97ba3e2cd071 124 EthernetInterface interface;
sPymbed 0:97ba3e2cd071 125 interface.disconnect();
sPymbed 0:97ba3e2cd071 126 interface.connect();
sPymbed 0:97ba3e2cd071 127
sPymbed 0:97ba3e2cd071 128 // Show the network address
sPymbed 0:97ba3e2cd071 129 const char *ip = interface.get_ip_address();
sPymbed 0:97ba3e2cd071 130 printf("IP address is: %s\n", ip ? ip : "No IP");
sPymbed 0:97ba3e2cd071 131
sPymbed 0:97ba3e2cd071 132 //InternetControlMessageProtocol icmp(&ipv4);
sPymbed 0:97ba3e2cd071 133
sPymbed 0:97ba3e2cd071 134 //interrupts.Activate();
sPymbed 0:97ba3e2cd071 135
sPymbed 0:97ba3e2cd071 136 printf("\n\n\n\n");
sPymbed 0:97ba3e2cd071 137
sPymbed 1:4059ac7ebc65 138 PrintfTCPHandler tcphandler;
sPymbed 0:97ba3e2cd071 139 TCPServer server;
sPymbed 0:97ba3e2cd071 140 UDPSocket sockUDP(&interface); //creat Ethernet socket
sPymbed 0:97ba3e2cd071 141 SocketAddress sockAddr(SERVER_IP, PORT);
sPymbed 0:97ba3e2cd071 142
sPymbed 0:97ba3e2cd071 143 server.open(&interface);
sPymbed 0:97ba3e2cd071 144
sPymbed 0:97ba3e2cd071 145 server.bind(interface.get_ip_address(), 80);
sPymbed 0:97ba3e2cd071 146 server.listen();
sPymbed 0:97ba3e2cd071 147 server.set_blocking(false);
sPymbed 0:97ba3e2cd071 148 TCPSocket client; //!< client class
sPymbed 0:97ba3e2cd071 149 SocketAddress clt_addr;
sPymbed 0:97ba3e2cd071 150 int bufferSize = 512;
sPymbed 0:97ba3e2cd071 151 char buffer[bufferSize];
sPymbed 0:97ba3e2cd071 152
sPymbed 0:97ba3e2cd071 153 //TransmissionControlProtocolSocket* tcpsocket = tcp.Connect(ip2_be, 1234);
sPymbed 0:97ba3e2cd071 154 //tcpsocket->Send((uint8_t*)"Hello TCP!", 10);
sPymbed 0:97ba3e2cd071 155
sPymbed 0:97ba3e2cd071 156 //icmp.RequestEchoReply(gip_be);
sPymbed 0:97ba3e2cd071 157
sPymbed 0:97ba3e2cd071 158 //PrintfUDPHandler udphandler;
sPymbed 0:97ba3e2cd071 159
sPymbed 0:97ba3e2cd071 160 //UserDatagramProtocolSocket* udpsocket = udp.Listen(1234);
sPymbed 0:97ba3e2cd071 161 //udp.Bind(udpsocket, &udphandler);
sPymbed 2:453e73d66757 162
sPymbed 0:97ba3e2cd071 163 while (true){
sPymbed 0:97ba3e2cd071 164 //printf("\nCLIENT - Sending '%i' to server %s\r\n", screen[0], SERVER_IP); //print message to send
sPymbed 0:97ba3e2cd071 165 sockUDP.sendto(SERVER_IP, PORT, screen, sizeof(screen));
sPymbed 0:97ba3e2cd071 166 server.accept(&client, &clt_addr);
sPymbed 0:97ba3e2cd071 167 int len = client.recv(&buffer, bufferSize);
sPymbed 0:97ba3e2cd071 168
sPymbed 0:97ba3e2cd071 169 #ifdef DEBUG
sPymbed 0:97ba3e2cd071 170 printf("%d: ", len);
sPymbed 0:97ba3e2cd071 171 for (int i = 0; i < len; i++)
sPymbed 0:97ba3e2cd071 172 printf("%d ", buffer[i]);
sPymbed 0:97ba3e2cd071 173 printf("\r\n");
sPymbed 0:97ba3e2cd071 174 #endif
sPymbed 0:97ba3e2cd071 175
sPymbed 1:4059ac7ebc65 176 tcphandler.HandleTransmissionControlProtocolMessage(&client, (char*)buffer, len);
sPymbed 0:97ba3e2cd071 177 wait(0.03333333);
sPymbed 0:97ba3e2cd071 178 }
sPymbed 0:97ba3e2cd071 179 }