ESP8266 toggle GPIO pin example

gistfile1.diff

diff --git a/user/at_ipCmd.c b/user/at_ipCmd.c
index 7c3be3c..4ae7fd3 100644
--- a/user/at_ipCmd.c
+++ b/user/at_ipCmd.c
@@ -24,9 +24,11 @@ uint16_t at_tranLen; //now is 256
 os_timer_t at_delayChack;
 BOOL IPMODE;
 
-static BOOL at_ipMux = FALSE;
+static BOOL at_ipMux = TRUE;
 static BOOL disAllFlag = FALSE;
 
+uint8_t LED = 0;
+
 static at_linkConType pLink[at_linkMax];
 static uint8_t sendingID;
 static BOOL serverEn = FALSE;
@@ -43,6 +45,30 @@ static struct espconn *pUdpServer;
 
 static void at_tcpclient_discon_cb(void *arg);
 
+void ICACHE_FLASH_ATTR
+at_user_input(void *arg, char *pdata, unsigned short len)
+{
+	struct espconn *pespconn = (struct espconn *)arg;
+	at_linkConType *linkTemp = (at_linkConType *)pespconn->reverse;
+	char temp[32];
+	if (pdata[0] == 'L' && pdata[1] == 'E' && pdata[2] == 'D') {
+		if (pdata[3] == '1') {
+			uart0_sendStr("\r\nSet led ON\r\n");
+			gpio_output_set(BIT2, 0, BIT2, 0);
+			LED = 1;
+		} else if (pdata[3] == '0') {
+			uart0_sendStr("\r\nSet led OFF\r\n");
+			gpio_output_set(0, BIT2, BIT2, 0);
+			LED = 0;
+		}
+		else
+		{
+			os_sprintf(temp, "LED: %d\r\n",LED);
+			espconn_sent(pLink[linkTemp->linkId].pCon, temp, strlen(temp));
+		}
+	}
+}
+
 /**
   * @brief  Test commad of get module ip.
   * @param  id: commad id number
@@ -235,6 +261,8 @@ at_tcpclient_recv(void *arg, char *pdata, unsigned short len)
                linkTemp->linkId, len);
     uart0_sendStr(temp);
     uart0_tx_buffer(pdata, len);
+	//Run my function
+	at_user_input(arg,pdata,len);
   }
   else if(IPMODE == FALSE)
   {
@@ -1065,6 +1093,7 @@ at_queryCmdCipmux(uint8_t id)
 void ICACHE_FLASH_ATTR
 at_setupCmdCipmux(uint8_t id, char *pPara)
 {
+  uart0_sendStr(pPara);
   uint8_t muxTemp;
   if(mdState == m_linked)
   {
@@ -1271,6 +1300,7 @@ at_udpserver_recv(void *arg, char *pusrdata, unsigned short len)
              linkTemp->linkId, len);
   uart0_sendStr(temp);
   uart0_tx_buffer(pusrdata, len);
+  at_user_input(arg, pusrdata,len);
   at_backOk;
 }
 
diff --git a/user/at_ipCmd.h b/user/at_ipCmd.h
index 2f2c468..4ad2415 100644
--- a/user/at_ipCmd.h
+++ b/user/at_ipCmd.h
@@ -19,6 +19,8 @@ typedef struct
 	struct espconn *pCon;
 }at_linkConType;
 
+void at_user_input(void *arg, char *pdata, unsigned short len);
+
 void at_testCmdCifsr(uint8_t id);
 void at_setupCmdCifsr(uint8_t id, char *pPara);
 void at_exeCmdCifsr(uint8_t id);
diff --git a/user/user_main.c b/user/user_main.c
index 13eeaf2..ea97ffc 100644
--- a/user/user_main.c
+++ b/user/user_main.c
@@ -7,9 +7,48 @@ extern uint8_t at_wifiMode;
 
 void user_init(void)
 {
+  //Init uart
   uart_init(BIT_RATE_115200, BIT_RATE_115200);
+  
+  //Set GPIO2 to output mode
+  PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_GPIO2);
+  
+  //Set GPIO2 low
+  gpio_output_set(0, BIT2, BIT2, 0);
+  
   at_wifiMode = wifi_get_opmode();
   os_printf("\r\nready!!!\r\n");
   uart0_sendStr("\r\nready\r\n");
   at_init();
+  
+  int xdel;
+  for(xdel=0;xdel<5000000;xdel++)
+  {
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+  }
+  
+  uart0_sendStr("Setting MUX to 1:");
+  at_setupCmdCipmux(15, "=1");
+
+  for(xdel=0;xdel<5000000;xdel++)
+  {
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+  }
+  
+  at_queryCmdCipmux(15);
+  
+  for(xdel=0;xdel<5000000;xdel++)
+  {
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+	asm("nop");	asm("nop");	asm("nop");
+  }
+  uart0_sendStr("Starting TCP server:");
+  at_setupCmdCipserver(16, "=1,9999");
 }