Hiroshi Nakata
This program opens a socket and wait connection through Wi-Fi. When the socket is connected, print out received characters to LCD.
Revision 2:f5754fb90f07, committed 2012-10-24
- Comitter:
- nakata
- Date:
- Wed Oct 24 10:16:52 2012 +0000
- Parent:
- 1:e87727c8979d
- Commit message:
- Interface public version
Changed in this revision
diff -r e87727c8979d -r f5754fb90f07 TextLCD.lib --- a/TextLCD.lib Sun Jun 03 12:24:13 2012 +0000 +++ b/TextLCD.lib Wed Oct 24 10:16:52 2012 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/carlos_nascimento08/libraries/TextLCD/m7o9zd \ No newline at end of file +http://mbed.org/users/carlos_nascimento08/code/TextLCD/#b8a17b39cd0d
diff -r e87727c8979d -r f5754fb90f07 WifiTerminalMode.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WifiTerminalMode.h Wed Oct 24 10:16:52 2012 +0000
@@ -0,0 +1,260 @@
+#include "private.h"
+#include <string.h>
+
+/*
+ * common constants
+ */
+#define BAUD_RATE 115200
+//#define BAUD_RATE 9600
+#define CR 13
+#define LF 10
+#define READ_BUFF_LEN 4096
+#define IPADDRESS_LENGTH 16
+#define PORT_NUM "1080"
+
+/*
+ * mbed pin settings
+ */
+Serial wifi(p13, p14);
+DigitalOut PRST(p15);
+
+class WifiTerminalMode {
+private:
+ unsigned char buff[READ_BUFF_LEN];
+ unsigned char myIPAddress[IPADDRESS_LENGTH];
+
+private:
+ void putc(int c)
+ {
+ while (!wifi.writeable())
+ ; // empty loop body
+ wifi.putc(c);
+ }
+
+ int getc()
+ {
+ return wifi.getc();
+ }
+
+ void delayedPutc(unsigned char c)
+ {
+ wait(0.00032);
+ putc(c);
+ }
+
+ void write(const unsigned char *data)
+ {
+ const unsigned char *p;
+ for ( p = data; *p != '\0'; p++ ) {
+ delayedPutc(*p);
+ }
+ }
+
+ int readToPrompt()
+ {
+ int len;
+ unsigned char *p = buff;
+ for ( len = 0; len < READ_BUFF_LEN - 1; len++, p++ ) {
+ *p = getc();
+ if ( *p == '#' ) {
+ break;
+ }
+ }
+ *p = '\0';
+
+ return len;
+ }
+
+ void waitPrompt()
+ {
+ while (getc() != '#')
+ ; // empty loop body
+ }
+
+public:
+ unsigned char *readBlock()
+ {
+ int len;
+ unsigned char *p = buff;
+ for ( len = 0; len < READ_BUFF_LEN - 1; len++ ) {
+ *p++ = getc();
+ if ( !wifi.readable() ) {
+ break;
+ }
+ }
+ *p = '\0';
+
+ return buff;
+ }
+
+ unsigned char *readLine()
+ {
+ int len;
+ unsigned char *p = buff;
+
+ for ( len = 0; len < READ_BUFF_LEN - 1; len++, p++ ) {
+ *p = getc();
+ if ( *p == CR || *p == LF ) {
+ p++;
+ break;
+ }
+ }
+ *p = '\0';
+
+ return buff;
+ }
+private:
+ int command(const unsigned char *data)
+ {
+ int len = 0;
+ unsigned char *p2 = buff;
+ const unsigned char *p;
+
+ for ( p = data; *p != '\0'; p++ ) {
+ while (wifi.readable()) {
+ *p2++ = getc();
+ len++;
+ }
+ delayedPutc(*p);
+ }
+ for (; len < READ_BUFF_LEN - 1; len++, p2++ ) {
+ *p2 = getc();
+ if ( *p2 == '#') {
+ break;
+ }
+ }
+ *p2 = '\0';
+
+ return len;
+ }
+
+public:
+ void reset()
+ {
+ wifi.baud(BAUD_RATE);
+ wifi.format(8, Serial::None, 1);
+
+ PRST = 0; // activate reset line
+ wait(1.0); // perhaps needs 1 sec
+ PRST = 1; // deactivate reset line
+ }
+
+ void serialInit()
+ {
+ int i;
+ int c = 0;
+
+ while (true) {
+ if (wifi.writeable())
+ putc('A');
+ if (wifi.readable()) {
+ if ( c == '*' ) {
+ c = getc();
+ if ( c == CR ) {
+ break;
+ }
+ } else {
+ c = getc();
+ }
+ }
+ wait(0.00032); // this wait is important
+ }
+ // flush buffer
+ while (wifi.readable())
+ getc();
+ // change to config mode
+ for ( i = 0; i < 8; i++ ) {
+ delayedPutc(' ');
+ }
+ c = 0;
+ while (true) {
+ if (wifi.readable()) {
+ if ( c == '*' ) {
+ c = getc();
+ if ( c == CR ) {
+ break;
+ }
+ } else {
+ c = getc();
+ }
+ }
+ }
+ }
+
+ void portSetup()
+ {
+ command("wlan_type set infra\r");
+ command("wlan_ssid set " SSID "\r");
+ command("wlan_wps set stop\r");
+ command("wlan_crdl set off\r");
+#ifdef WEP40_KEY
+ command("wlan_sec set wep40\r");
+ command("wlan_wep set " WEP40_KEY "\r");
+#endif
+#ifdef WEP104_KEY
+ command("wlan_sec set wep104\r");
+ command("wlan_wep set " WEP104_KEY "\r");
+#endif
+#ifdef TKIP_KEY
+ command("wlan_sec set wpa-tkip\r");
+ command("wlan_psk set " TKIP_KEY "\r");
+#endif
+#ifdef AES_KEY
+ command("wlan_sec set wpa2-aes\r");
+ command("wlan_psk set " AES_KEY "\r");
+#endif
+#ifdef MIX_KEY
+ command("wlan_sec set wpa-mix\r");
+ command("wlan_psk set " MIX_KEY "\r");
+#endif
+ command("ip_dhcp set on\r");
+ command("ip_term_prot set tcps\r");
+ command("ip_term_hp set " PORT_NUM "\r");
+ command("save permit\r");
+ }
+
+ unsigned char *getAddr()
+ {
+ int len;
+ int i = 0;
+ const char *p;
+
+ waitPrompt();
+ while (true) {
+ len = command("wlan_con get\r");
+ if (len > 0 && strstr((const char *)buff, (const char *)"= Connect") != 0 ) {
+ break;
+ }
+ setLeds(4 | i);
+ i ^= 1;
+ wait(1.0);
+ }
+ do {
+ setLeds(6 | i);
+ i ^= 1;
+ wait(1.0);
+ len = command("ip_current get\r");
+ if ( len <= 0 ) {
+ p = (const char *)buff;
+ buff[0] = '\0';
+ continue;
+ }
+ p = strstr((const char *)buff, (const char *)"IP");
+ if ( p == NULL )
+ continue;
+ p = strstr(p, (const char *)" = ");
+ if ( p == NULL )
+ continue;
+ } while ( strncmp(p, " = 0.0.0.0", 10) == 0 );
+ p += 3;
+ for ( i = 0; i < IPADDRESS_LENGTH - 1; i++, p++ ) {
+ if ( *p == '\r' )
+ break;
+ myIPAddress[i] = *p;
+ }
+ myIPAddress[i] = '\0';
+ command("run permit\r");
+
+ return myIPAddress;
+ }
+};
\ No newline at end of file
diff -r e87727c8979d -r f5754fb90f07 main.cpp
--- a/main.cpp Sun Jun 03 12:24:13 2012 +0000
+++ b/main.cpp Wed Oct 24 10:16:52 2012 +0000
@@ -1,6 +1,9 @@
#include "mbed.h"
#include "LcdScreen.h"
+static void setLeds(int data);
+#include "WifiTerminalMode.h"
+
DigitalOut myled1(LED1);
DigitalOut myled2(LED2);
DigitalOut myled3(LED3);
@@ -13,30 +16,32 @@
myled4 = (data & 1);
}
-#include "wifi.h"
-
int main() {
int i = 0;
unsigned char *p;
LcdScreen *ls = new LcdScreen();
+ WifiTerminalMode *terminal = new WifiTerminalMode();
- wifiReset();
- wifiSerialInit();
- wifiPortSetup();
+ // 1st time set up parameters
+ ls->print("setting parameters\r\n");
+ terminal->reset();
+ terminal->serialInit();
+ terminal->portSetup();
setLeds(1);
- wifiReset();
+ // 2nd time do connect
+ ls->print("connecting\r\n");
+ terminal->reset();
setLeds(2);
- wifiSerialInit();
+ terminal->serialInit();
setLeds(3);
- p = wifiGetAddr();
+ p = terminal->getAddr();
ls->print(p);
ls->print((const unsigned char *)"\r\n");
setLeds(8);
- wifiReadBlock();
while (true) {
setLeds(8 | i);
i ^= 1;
- p = wifiReadLine();
+ p = terminal->readLine();
ls->print(p);
}
}
diff -r e87727c8979d -r f5754fb90f07 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Oct 24 10:16:52 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/737756e0b479 \ No newline at end of file
diff -r e87727c8979d -r f5754fb90f07 mbed.lib --- a/mbed.lib Sun Jun 03 12:24:13 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/projects/libraries/svn/mbed/trunk@43 \ No newline at end of file
diff -r e87727c8979d -r f5754fb90f07 private.h --- a/private.h Sun Jun 03 12:24:13 2012 +0000 +++ b/private.h Wed Oct 24 10:16:52 2012 +0000 @@ -2,10 +2,10 @@ * personal setting * please set your personal environment */ -#define SSID "0007406A33DE" +#define SSID "testnet" //#define WEP40_KEY "" //#define WEP104_KEY "" -//#define AES_KEY "" -#define TKIP_KEY "osakanakuwaetadoraneko" +#define AES_KEY "0000000000" +//#define TKIP_KEY "" //#define MIX_KEY ""
diff -r e87727c8979d -r f5754fb90f07 wifi.h
--- a/wifi.h Sun Jun 03 12:24:13 2012 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,271 +0,0 @@
-#include "private.h"
-#include <string.h>
-
-/*
- * common constants
- */
-#define BAUD_RATE 115200
-//#define BAUD_RATE 9600
-#define CR 13
-#define LF 10
-#define READ_BUFF_LEN 4096
-#define IPADDRESS_LENGTH 16
-#define PORT_NUM "1080"
-
-/*
- * mbed pin settings
- */
-Serial wifi(p13, p14);
-DigitalOut PRST(p15);
-
-/*
- * program starts here
- */
-void wifiPutc(int c)
-{
- while (!wifi.writeable())
- ; // empty loop body
- wifi.putc(c);
-}
-
-int wifiGetc()
-{
- return wifi.getc();
-}
-
-void wifiDelayedPutc(unsigned char c)
-{
- wifiPutc(c);
- wait(0.00032);
-}
-
-static int sequence = 0;
-void wifiWrite(const unsigned char *data)
-{
- const unsigned char *p;
- for ( p = data; *p != '\0'; p++ ) {
- wifiDelayedPutc(*p);
- }
-}
-
-static unsigned char buff[READ_BUFF_LEN];
-int wifiReadToPrompt()
-{
- int len;
- unsigned char *p = buff;
- for ( len = 0; len < READ_BUFF_LEN - 1; len++, p++ ) {
- *p = wifiGetc();
- if ( *p == '#' ) {
- break;
- }
- }
- *p = '\0';
-
- return len;
-}
-
-unsigned char *wifiReadBlock()
-{
- int len;
- unsigned char *p = buff;
- for ( len = 0; len < READ_BUFF_LEN - 1; len++, p++ ) {
- *p = wifiGetc();
- if ( !wifi.readable() ) {
- p++;
- break;
- }
- }
- *p = '\0';
-
- return buff;
-}
-
-
-unsigned char *wifiReadLine()
-{
- int len;
- unsigned char *p = buff;
- for ( len = 0; len < READ_BUFF_LEN - 1; len++, p++ ) {
- *p = wifiGetc();
- if ( *p == CR || *p == LF ) {
- p++;
- break;
- }
- }
- *p = '\0';
-
- return buff;
-}
-
-int wifiCommand2(const unsigned char *data)
-{
- int len = 0;
- unsigned char *p2 = buff;
- const unsigned char *p;
-
- for ( p = data; *p != '\0'; p++ ) {
- while (wifi.readable()) {
- *p2++ = wifiGetc();
- len++;
- }
- wifiDelayedPutc(*p);
- }
- for (; len < READ_BUFF_LEN - 1; len++, p2++ ) {
- *p2 = wifiGetc();
- if ( *p2 == CR || *p2 == LF ) {
- break;
- }
- }
- *p2 = '\0';
-
- return len;
-}
-
-void wifiWaitPrompt();
-int wifiCommand(const unsigned char *data)
-{
- wifiWaitPrompt();
- return wifiCommand2(data);
-}
-
-void wifiReset()
-{
- wifi.baud(BAUD_RATE);
- wifi.format(8, Serial::None, 1);
-
- sequence = 0;
- PRST = 0; // activate reset line
- wait(1.0); // perhaps needs 1 sec
- PRST = 1; // deactivate reset line
-}
-
-void wifiSerialInit()
-{
- int i;
- int c = 0;
- //int oldc = 0;
-
- while (true) {
- if (wifi.writeable())
- wifiPutc('A');
- if (wifi.readable()) {
- if ( c == '*' ) {
- c = wifiGetc();
- if ( c == CR ) {
- break;
- }
- } else {
- c = wifiGetc();
- }
- }
- wait(0.00032); // this wait is important
- }
- // flush buffer
- while (wifi.readable())
- wifiGetc();
- // change to config mode
- for ( i = 0; i < 8; i++ ) {
- wifiDelayedPutc(' ');
- }
- c = 0;
- while (true) {
- if (wifi.readable()) {
- if ( c == '*' ) {
- c = wifiGetc();
- if ( c == CR ) {
- break;
- }
- } else {
- c = wifiGetc();
- }
- }
- }
-}
-
-void wifiWaitPrompt()
-{
- while (wifiGetc() != '#')
- ; // empty loop body
-}
-
-unsigned char myIPAddress[IPADDRESS_LENGTH];
-void wifiPortSetup()
-{
- wifiCommand("wlan_type set infra\r");
- wifiCommand("wlan_ssid set " SSID "\r");
- wifiCommand("wlan_wps set stop\r");
- wifiCommand("wlan_crdl set off\r");
-#ifdef WEP40_KEY
- wifiCommand("wlan_sec set wep40\r");
- wifiCommand("wlan_wep set " WEP40_KEY "\r");
-#endif
-#ifdef WEP104_KEY
- wifiCommand("wlan_sec set wep104\r");
- wifiCommand("wlan_wep set " WEP104_KEY "\r");
-#endif
-#ifdef TKIP_KEY
- wifiCommand("wlan_sec set wpa-tkip\r");
- wifiCommand("wlan_psk set " TKIP_KEY "\r");
-#endif
-#ifdef AES_KEY
- wifiCommand("wlan_sec set wpa2-aes\r");
- wifiCommand("wlan_psk set " AES_KEY "\r");
-#endif
-#ifdef MIX_KEY
- wifiCommand("wlan_sec set wpa-mix\r");
- wifiCommand("wlan_psk set " MIX_KEY "\r");
-#endif
- wifiCommand("ip_dhcp set on\r");
- wifiCommand("ip_term_prot set tcps\r");
- wifiCommand("ip_term_hp set " PORT_NUM "\r");
- wifiCommand("save permit\r");
- wifiWaitPrompt();
-}
-
-unsigned char *wifiGetAddr()
-{
- int len;
- int i = 0;
- const char *p;
-
- wifiWaitPrompt();
- while (true) {
- wifiCommand2("wlan_con get\r");
- len = wifiReadToPrompt();
-
- if (len > 0 && strstr((const char *)buff, (const char *)"= Connect") != 0 ) {
- break;
- }
- setLeds(4 | i);
- i ^= 1;
- wait(1.0);
- }
- do {
- setLeds(6 | i);
- i ^= 1;
- wait(1.0);
- wifiCommand2("ip_current get\r");
- len = wifiReadToPrompt();
- if ( len <= 0 ) {
- p = (const char *)buff;
- buff[0] = '\0';
- continue;
- }
- p = strstr((const char *)buff, (const char *)"IP");
- if ( p == NULL )
- continue;
- p = strstr(p, (const char *)" = ");
- if ( p == NULL )
- continue;
- } while ( strncmp(p, " = 0.0.0.0", 10) == 0 );
- p += 3;
- for ( i = 0; i < IPADDRESS_LENGTH; i++, p++ ) {
- if ( *p == '\r' )
- break;
- myIPAddress[i] = *p;
- }
- myIPAddress[i] = '\0';
- wifiCommand2("run permit\r");
-
- return myIPAddress;
-}