Reads DISCO-L475VG-IOT01A sensor data and sends it over WIFI

Dependencies:   mbed DISCO_L475VG_IOT01A_wifi BSP_B-L475E-IOT01

Revision:
0:c3aca5198054
diff -r 000000000000 -r c3aca5198054 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jul 10 19:42:07 2019 +0000
@@ -0,0 +1,333 @@
+#include "mbed.h"
+#include "wifi.h"
+#include "stm32l475e_iot01_tsensor.h"
+#include "stm32l475e_iot01_hsensor.h"
+#include "stm32l475e_iot01_psensor.h"
+#include "stm32l475e_iot01_magneto.h"
+#include "stm32l475e_iot01_gyro.h"
+#include "stm32l475e_iot01_accelero.h"
+
+#define WIFI_WRITE_TIMEOUT 10000
+#define WIFI_READ_TIMEOUT  10000
+#define PORT           80
+#define MBED_RAM_SIZE 0xCE30
+
+
+/* Private typedef------------------------------------------------------------*/
+typedef enum
+{
+  WS_IDLE = 0,
+  WS_CONNECTED,
+  WS_DISCONNECTED,
+  WS_ERROR,
+} WebServerState_t;
+
+/* Private macro -------------------------------------------------------------*/
+static int wifi_sample_run(void);
+static void WebServerProcess(void);
+/*Declaring variables*/
+float Tsensor_value = 0;
+float Hsensor_value = 0;
+float Psensor_value = 0;
+int16_t ACCELERO_DataXYZ[3] = {0};
+int16_t MAGNETO_DataXYZ[3] = {0};
+float pGyroDataXYZ[3] = {0};
+
+static WIFI_Status_t SendWebPage(uint8_t ledIsOn, float Tsensor_value, float Hsensor_value, float Psensor_value, int16_t ACCELERO_DataXYZ[3], int16_t MAGNETO_DataXYZ[3], float pGyroDataXYZ[3]);
+/* Private variables ---------------------------------------------------------*/
+Serial pc(USBTX, USBRX);
+static   uint8_t http[1024];
+static   uint8_t resp[1024];
+uint16_t respLen;
+uint8_t  IP_Addr[4]; 
+uint8_t  MAC_Addr[6]; 
+int32_t Socket = -1;
+static   WebServerState_t  State = WS_ERROR;
+char     ModuleName[32];
+
+DigitalOut Led_WIFI(LED2);
+AnalogIn adc_temp(ADC_TEMP); /*to work on---*/
+
+DigitalOut led(LED1);
+
+int main()
+{
+
+    BSP_TSENSOR_Init();
+    BSP_HSENSOR_Init();
+    BSP_PSENSOR_Init();
+
+    BSP_MAGNETO_Init();
+    BSP_GYRO_Init();
+    BSP_ACCELERO_Init();
+
+    while(1) {
+
+        led = 1;
+
+        Tsensor_value = BSP_TSENSOR_ReadTemp();
+        pc.printf("\nTEMPERATURE = %.2f degC\n", Tsensor_value);
+
+        Hsensor_value = BSP_HSENSOR_ReadHumidity();
+        pc.printf("HUMIDITY    = %.2f %%\n", Hsensor_value);
+
+        Psensor_value = BSP_PSENSOR_ReadPressure();
+        pc.printf("PRESSURE is = %.2f mBar\n", Psensor_value);
+
+        Led_WIFI = 0;
+
+        wait(1);
+
+        led = 1;
+
+        BSP_MAGNETO_GetXYZ(MAGNETO_DataXYZ);
+        pc.printf("\nMAGNETO_X = %d\n", MAGNETO_DataXYZ[0]);
+        pc.printf("MAGNETO_Y = %d\n", MAGNETO_DataXYZ[1]);
+        printf("MAGNETO_Z = %d\n", MAGNETO_DataXYZ[2]);
+
+        BSP_GYRO_GetXYZ(pGyroDataXYZ);
+        pc.printf("\nGYRO_X = %.2f\n", pGyroDataXYZ[0]);
+        pc.printf("GYRO_Y = %.2f\n", pGyroDataXYZ[1]);
+        pc.printf("GYRO_Z = %.2f\n", pGyroDataXYZ[2]);
+
+        BSP_ACCELERO_AccGetXYZ(ACCELERO_DataXYZ);
+        pc.printf("\nACCELERO_X = %d\n", ACCELERO_DataXYZ[0]);
+        pc.printf("ACCELERO_Y = %d\n", ACCELERO_DataXYZ[1]);
+        pc.printf("ACCELERO_Z = %d\n", ACCELERO_DataXYZ[2]);
+
+        led = 0;
+        int ret = 0;
+        led = 0;
+        pc.baud(115200);
+        pc.printf("\n");
+        pc.printf("************************************************************\n\r");
+        pc.printf("***                WIFI Web Server                     ***\n\r");
+        pc.printf("************************************************************\n\r");
+        
+        /* Working application */
+        ret = wifi_sample_run();
+        
+        if (ret != 0) {
+            return -1;
+        }
+    
+        
+        while(1) {
+            WebServerProcess ();
+        }
+
+        wait(1);
+
+    }
+}
+
+int wifi_sample_run(void)
+{
+  
+    /*Initialisation module WIFI */
+    if(WIFI_Init() ==  WIFI_STATUS_OK) {
+        pc.printf("WIFI Initialise.\n\r");
+    
+        if(WIFI_GetMAC_Address(MAC_Addr) == WIFI_STATUS_OK) {       
+            pc.printf("> adresse MAC: %X:%X:%X:%X:%X:%X\n\r",     
+                   MAC_Addr[0],
+                   MAC_Addr[1],
+                   MAC_Addr[2],
+                   MAC_Addr[3],
+                   MAC_Addr[4],
+                   MAC_Addr[5]);   
+        } else {
+            pc.printf("> ERREUR : CANNOT get MAC address\n\r");
+        }
+    
+        if( WIFI_Connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, WIFI_ECN_WPA2_PSK) == WIFI_STATUS_OK) {
+            pc.printf("> module WIFI connecté \n\r");
+      
+            if(WIFI_GetIP_Address(IP_Addr) == WIFI_STATUS_OK) {
+                pc.printf("> IP Address : %d.%d.%d.%d\n\r",     
+                       IP_Addr[0],
+                       IP_Addr[1],
+                       IP_Addr[2],
+                       IP_Addr[3]); 
+        
+                pc.printf(">Serveur HTTP ... \n\r");
+                State = WS_IDLE;
+            } else {    
+                pc.printf("> ERROR :module CANNOT get IP address\n\r");
+                return -1;
+            }
+        } else {
+            pc.printf("> ERROR : module NOT connected\n\r");
+            return -1;
+        }
+    } else {
+        pc.printf("> ERROR : WIFI Module cannot be initialized.\n"); 
+        return -1;
+    }
+    return 0;
+}
+
+
+static void WebServerProcess(void)
+{
+  uint8_t LedState = 0;
+  float temp;
+  switch(State)
+  {
+  case WS_IDLE:
+    Socket = 0;
+    WIFI_StartServer(Socket, WIFI_TCP_PROTOCOL, "", PORT);
+    
+    if(Socket != -1)
+    {
+      pc.printf("> HTTP Server Started \n");  
+      State = WS_CONNECTED;
+    }
+    else
+    {
+      pc.printf("> ERROR : Connection cannot be established.\n"); 
+      State = WS_ERROR;
+    }    
+    break;
+    
+  case WS_CONNECTED:
+    
+    WIFI_ReceiveData(Socket, resp, 1200, &respLen, WIFI_READ_TIMEOUT);
+    
+    if( respLen > 0)
+    {
+      if(strstr((char *)resp, "GET")) /* GET: put web page */
+      {
+        temp = (adc_temp.read()*100);
+        if(SendWebPage(LedState, Tsensor_value, Hsensor_value, Psensor_value, ACCELERO_DataXYZ, MAGNETO_DataXYZ, pGyroDataXYZ) != WIFI_STATUS_OK)
+        {
+          pc.printf("> ERROR : Cannot send web page\n");
+          State = WS_ERROR;
+        }
+      }
+      else if(strstr((char *)resp, "POST"))/* POST: received info */
+      {
+          if(strstr((char *)resp, "radio"))
+          {          
+            if(strstr((char *)resp, "radio=0"))
+            {
+              LedState = 0;
+              Led_WIFI = 0;
+            }
+            else if(strstr((char *)resp, "radio=1"))
+            {
+              LedState = 1;
+              Led_WIFI = 1;
+            } 
+            
+           temp = (adc_temp.read()*100);
+            if(SendWebPage(LedState, Tsensor_value, Hsensor_value, Psensor_value, ACCELERO_DataXYZ, MAGNETO_DataXYZ, pGyroDataXYZ) != WIFI_STATUS_OK)
+            {
+              pc.printf("> ERROR : Cannot send web page\n");
+              State = WS_ERROR;
+          }
+        }
+      }
+    }
+    if(WIFI_StopServer(Socket) == WIFI_STATUS_OK)
+    {
+      WIFI_StartServer(Socket, WIFI_TCP_PROTOCOL, "", PORT);
+    }
+    else
+    {
+      State = WS_ERROR;  
+    }
+    break;
+  case WS_ERROR:   
+  default:
+    break;
+  }
+}
+
+
+/**
+  * @brief  Send HTML page
+  * @param  None
+  * @retval None
+  */
+static WIFI_Status_t SendWebPage(uint8_t ledIsOn, float Tsensor_value, float Hsensor_value, float Psensor_value, int16_t ACCELERO_DataXYZ[3], int16_t MAGNETO_DataXYZ[3], float pGyroDataXYZ[3])
+{
+  uint8_t  temp[50];
+  uint16_t SentDataLength;
+  WIFI_Status_t ret;
+  
+  /* construct web page content */
+  strcpy((char *)http, (char *)"HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n");
+  strcat((char *)http, (char *)"<html>\r\n<body>\r\n");
+  strcat((char *)http, (char *)"<title>STM32 Web Server</title>\r\n");
+  strcat((char *)http, (char *)"<h2>Server WIFI</h2>\r\n");
+  strcat((char *)http, (char *)"<br /><hr>\r\n");
+  
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>Pression: <input type=\"text\" size=6 value=\"");
+  sprintf((char *)temp, "%f", Psensor_value);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\"> mBar");
+  
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>Temperature: <input type=\"text\" size=2 value=\"");
+  sprintf((char *)temp, "%f", Tsensor_value);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\"> <sup>O</sup>C");
+  
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>Humidity: <input type=\"text\" size=2 value=\"");
+  sprintf((char *)temp, "%f", Hsensor_value);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">%");
+  
+  /*ACCELERO_DataXYZ*/
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>ACCELERO_X: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%d", ACCELERO_DataXYZ[0]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\"> ");
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>ACCELERO_Y: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%d", ACCELERO_DataXYZ[1]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\"> ");
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>ACCELERO_Z: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%d", ACCELERO_DataXYZ[2]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">");
+  
+  /*MAGNETO_DataXYZ*/
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>MAGNETO_X: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%d", MAGNETO_DataXYZ[0]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">");
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>MAGNETO_Y: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%d", MAGNETO_DataXYZ[1]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">");
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>MAGNETO_Z: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%d", MAGNETO_DataXYZ[2]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">");
+ 
+  /*Gyro_Data*/
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>Gyro_X: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%.2f", pGyroDataXYZ[0]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">");
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>Gyro_Y: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%.2f", pGyroDataXYZ[1]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">");
+  strcat((char *)http, (char *)"<p><form method=\"POST\"><strong>Gyro_Z: <input type=\"text\" size=4 value=\"");
+  sprintf((char *)temp, "%.2f", pGyroDataXYZ[2]);
+  strcat((char *)http, (char *)temp);
+  strcat((char *)http, (char *)"\">");
+  
+  
+  
+  ret = WIFI_SendData(0, (uint8_t *)http, strlen((char *)http), &SentDataLength, WIFI_WRITE_TIMEOUT); 
+  
+  if((ret == WIFI_STATUS_OK) && (SentDataLength != strlen((char *)http)))
+  {
+    ret = WIFI_STATUS_ERROR;
+  }
+    
+  return ret;
+}
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