Diff: Wirefree/gs.h

Revision:

0:bf663118b11b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Wirefree/gs.h	Sun May 27 03:19:54 2012 +0000
@@ -0,0 +1,171 @@
+/*
+ * Gainspan Wifi library for mbed
+ * Modified for mbed, 2012 gsfan.
+ *
+
+gs.cpp - HAL driver to talk with Gainspan GS1011 WiFi module
+
+Copyright (C) 2011 DIYSandbox LLC
+
+Porting for chipKIT boards Copyright (c) 2012 http://electronics.trev.id.au
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#ifndef    _gs_h_
+#define    _gs_h_
+
+#include "mbed.h"
+#include "ipaddr.h"
+#include "host.h"
+#include <stdint.h>
+
+typedef int SOCKET;
+
+class SOCK_STATUS {
+public:
+  static const uint8_t CLOSED      = 0x00;
+  static const uint8_t INIT        = 0x01;
+  static const uint8_t LISTEN      = 0x02;
+  static const uint8_t ESTABLISHED = 0x03;
+  static const uint8_t CLOSE_WAIT  = 0x04;
+};
+
+class IPPROTO {
+public:
+  static const uint8_t TCP  = 6;
+};
+
+// command identifiers
+// config
+#define CMD_DISABLE_ECHO 0
+#define CMD_SET_UART_115200 14
+// wifi
+#define CMD_SET_WPA_PSK  1
+#define CMD_SET_SSID     2
+#define CMD_DISCONNECT   5
+#define CMD_GET_MAC_ADDR 8
+//network
+#define CMD_DISABLE_DHCP 3
+#define CMD_ENABLE_DHCP  4
+#define CMD_LISTEN       6
+#define CMD_TCP_CONN     7
+#define CMD_DNS_LOOKUP   9
+#define CMD_CLOSE_CONN   10
+#define CMD_NETWORK_SET  11
+#define CMD_WIRELESS_MODE 12
+#define CMD_ENABLE_DHCPSVR 13
+
+// device operation modes
+#define DEV_OP_MODE_COMMAND 0
+#define DEV_OP_MODE_DATA    1
+#define DEV_OP_MODE_DATA_RX 2
+
+// device wireless connection state
+#define DEV_CONN_ST_DISCONNECTED 0
+#define DEV_CONN_ST_CONNECTED    1
+
+// connection ID
+#define INVALID_CID 255
+
+#define SSIZE 2048 // Max Tx buffer siz
+
+#define MAX_RXBUF_SIZE 32
+
+// wireless connection params
+typedef struct _GS_PROFILE {
+    char ssid[32];
+    char security_key[32];
+    IpAddr ip;
+    IpAddr subnet;
+    IpAddr gateway;
+} GS_PROFILE;
+
+typedef struct _SOCK_TABLE {
+    int status;
+    int protocol;
+    int port;
+    int cid;
+} SOCK_TABLE;
+
+class GSClass {
+public:
+    GSClass(PinName p_tx, PinName p_rx);
+    GSClass(PinName p_tx, PinName p_rx, PinName p_cts, PinName p_rts);
+    
+    int mode;
+    int init(void (*rx_data_handler)(char *data, int len));
+    void configure(GS_PROFILE* prof);
+    int connect();
+    int connected();
+    void process();
+    int connect_socket(Host &host);
+    int dns_lookup(Host &url);
+    void send_data(char *data, int len);
+    void esc_seq_start();
+    void esc_seq_stop();
+    uint8_t *get_dev_id();
+
+    void configSocket(SOCKET s, int protocol, int port);
+    void execSocketCmd(SOCKET s, int cmd);
+    int readSocketStatus(SOCKET s);
+    int isDataOnSock(SOCKET s);
+    int readData(SOCKET s, uint8_t* buf, int len);
+    int writeData(SOCKET s, const uint8_t* buf, int len);
+    
+//    static const int SSIZE = 2048; // Max Tx buffer siz
+
+    void isr_recv ();
+    int getbuf ();
+    int bufreadable ();
+
+private:
+    char security_key[32];
+    char ssid[32];
+    IpAddr local_ip;
+    IpAddr subnet;
+    IpAddr gateway;
+    int serv_cid;
+    int client_cid;
+    int dev_mode;
+    IpAddr ip;
+    int port;
+    int connection_state;
+    uint8_t dev_id[6];
+    Host dns_url_ip;
+    int tx_done;
+
+    SOCK_TABLE sock_table[4];
+    int socket_num;
+    SOCKET dataOnSock;
+
+    void (*rx_data_handler)(char *data, int len);
+
+    int readline(char *buf, int size);
+    int send_cmd(int cmd);
+    int parse_resp(int cmd);
+    int send_cmd_w_resp(int cmd);
+    void parse_cmd(char *buf, int len);
+    void parse_data(char *buf, int len);
+
+    void flush();
+
+    Serial _gs;
+    bool _rts;
+    char _rxbuf[MAX_RXBUF_SIZE];
+    volatile int _rxaddr_w, _rxaddr_r;
+};
+
+#endif // _gs_h_