main.cpp

00001 /* WiFi Example
00002  * Copyright (c) 2018 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "mbed.h"
00018 #include "TCPSocket.h"
00019 #include "ISM43362Interface.h"
00020 
00021 #include "HTS221Sensor.h"
00022 #include "LPS22HBSensor.h"
00023 #include "LSM6DSLSensor.h"
00024 #include "lis3mdl_class.h"
00025 #include "VL53L0X.h"
00026 
00027 
00028 ISM43362Interface wifi(MBED_CONF_APP_WIFI_SPI_MOSI, MBED_CONF_APP_WIFI_SPI_MISO, MBED_CONF_APP_WIFI_SPI_SCLK, MBED_CONF_APP_WIFI_SPI_NSS, MBED_CONF_APP_WIFI_RESET, MBED_CONF_APP_WIFI_DATAREADY, MBED_CONF_APP_WIFI_WAKEUP, false);
00029 
00030 #define IP "184.106.153.149" 
00031 char* thingSpeakUrl = "http://api.thingspeak.com/update";
00032 char* thingSpeakKey = "7A33Z8I8CVDB7GOW";
00033 
00034 /* Retrieve the composing elements of the expansion board */
00035 /* Interface definition */
00036 static DevI2C devI2c(PB_11,PB_10);
00037 /* Environmental sensors */
00038 static LPS22HBSensor press_temp(&devI2c);
00039 static HTS221Sensor hum_temp(&devI2c);
00040 /* Motion sensors */
00041 static LSM6DSLSensor acc_gyro(&devI2c,LSM6DSL_ACC_GYRO_I2C_ADDRESS_LOW,PD_11); // low address
00042 static LIS3MDL magnetometer(&devI2c);
00043 /* Range sensor - B-L475E-IOT01A2 only */
00044 static DigitalOut shutdown_pin(PC_6);
00045 static VL53L0X range(&devI2c, &shutdown_pin, PC_7);
00046 
00047 float value1, value2, value3, value4;
00048 int32_t axes[3];
00049 
00050 const char *sec2str(nsapi_security_t sec)
00051 {
00052     switch (sec) {
00053         case NSAPI_SECURITY_NONE:
00054             return "None";
00055         case NSAPI_SECURITY_WEP:
00056             return "WEP";
00057         case NSAPI_SECURITY_WPA:
00058             return "WPA";
00059         case NSAPI_SECURITY_WPA2:
00060             return "WPA2";
00061         case NSAPI_SECURITY_WPA_WPA2:
00062             return "WPA/WPA2";
00063         case NSAPI_SECURITY_UNKNOWN:
00064         default:
00065             return "Unknown";
00066     }
00067 }
00068 
00069 void http_demo(NetworkInterface *net)
00070 {
00071     TCPSocket socket;
00072     nsapi_error_t response;
00073 
00074     char sbuffer[256];
00075     char message[40];
00076     
00077     printf("Sending HTTP Data to thingspeak...\r\n");
00078 
00079     // Open a socket on the network interface, and create a TCP connection to www.arm.com
00080     socket.open(net);
00081     response = socket.connect(IP, 80);
00082     if(0 != response) {
00083         printf("Error connecting: %d\n", response);
00084         socket.close();
00085         return;
00086     }
00087     printf("%.2f\n",value3);
00088     printf("%.2f\n",value4);
00089     // Send a simple http request
00090     sprintf(message,"field1=%.2f&field2=%.2f",value3,value4);
00091     printf("Message Length=%d\r\n",(int)strlen(message));
00092     
00093     // Send a simple http request
00094 //    char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n";
00095     sprintf(sbuffer,"POST /update HTTP/1.1\r\nHost: api.thingspeak.com\r\nConnection: close\r\nX-THINGSPEAKAPIKEY: %s\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: %d\r\n\r\n%s",thingSpeakKey,(int)strlen(message),message);
00096     nsapi_size_t size = strlen(sbuffer);
00097     response = 0;
00098     while(size)
00099     {
00100         response = socket.send(sbuffer+response, size);
00101         if (response < 0) {
00102             printf("Error sending data: %d\n", response);
00103             socket.close();
00104             return;
00105         } else {
00106             size -= response;
00107             // Check if entire message was sent or not
00108             printf("sent %d [%.*s]\n", response, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
00109         }
00110     }
00111 
00112     // Recieve a simple http response and print out the response line
00113 /*    char rbuffer[64];
00114     response = socket.recv(rbuffer, sizeof rbuffer);
00115     if (response < 0) {
00116         printf("Error receiving data: %d\n", response);
00117     } else {
00118         printf("recv %d [%.*s]\n", response, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
00119     }
00120 */
00121     // Close the socket to return its memory and bring down the network interface
00122     socket.close();
00123 }
00124 
00125 void read_sensor(){
00126     
00127     //value1=value2=0;
00128     hum_temp.get_temperature(&value1);
00129     hum_temp.get_humidity(&value2);
00130     printf("HTS221:  [temp] %.2f C, [hum]   %.2f%%\r\n", value1, value2);
00131 
00132     //value3=value4=0;    
00133     press_temp.get_temperature(&value3);
00134     press_temp.get_pressure(&value4);
00135     printf("LPS22HB: [temp] %.2f C, [press] %.2f mbar\r\n", value3, value4);
00136 
00137     printf("---\r\n");
00138 
00139     magnetometer.get_m_axes(axes);
00140     printf("LIS3MDL [mag/mgauss]:    %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]);
00141 
00142     acc_gyro.get_x_axes(axes);
00143     printf("LSM6DSL [acc/mg]:        %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]);
00144 
00145     acc_gyro.get_g_axes(axes);
00146     printf("LSM6DSL [gyro/mdps]:     %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]);
00147 
00148     uint32_t distance;
00149     int status = range.get_distance(&distance);
00150     if (status == VL53L0X_ERROR_NONE) {
00151         printf("VL53L0X [mm]:            %6ld\r\n", distance);
00152     } else {
00153         printf("VL53L0X [mm]:                --\r\n");
00154     }
00155 
00156     //printf("\033[8A");
00157     wait(0.5);
00158 }
00159 
00160 int main()
00161 {
00162     uint8_t id;
00163 //    float value1, value2 value3, value4;
00164   //  char buffer1[32], buffer2[32];
00165   //  int32_t axes[3];
00166     
00167     /* Init all sensors with default params */
00168     press_temp.init(NULL);
00169     magnetometer.init(NULL);
00170     acc_gyro.init(NULL);
00171     
00172     range.init_sensor(VL53L0X_DEFAULT_ADDRESS);
00173     
00174     /* Enable all sensors */
00175     hum_temp.enable();
00176     press_temp.enable();
00177     acc_gyro.enable_x();
00178     acc_gyro.enable_g();
00179     
00180     printf("\033[2J\033[20A");
00181     printf ("\r\n--- Starting new run ---\r\n\r\n");
00182     
00183     hum_temp.read_id(&id);
00184     printf("HTS221  humidity & temperature    = 0x%X\r\n", id);
00185     press_temp.read_id(&id);
00186     printf("LPS22HB pressure & temperature    = 0x%X\r\n", id);
00187     magnetometer.read_id(&id);
00188     printf("LIS3MDL magnetometer              = 0x%X\r\n", id);
00189     acc_gyro.read_id(&id);
00190     printf("LSM6DSL accelerometer & gyroscope = 0x%X\r\n", id);
00191 
00192     printf("WiFi example\n\n");
00193 
00194     printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
00195     int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
00196     if (ret != 0) {
00197         printf("\nConnection error\n");
00198         return -1;
00199     }
00200 
00201     printf("Success\n\n");
00202     printf("MAC: %s\n", wifi.get_mac_address());
00203     printf("IP: %s\n", wifi.get_ip_address());
00204     printf("Netmask: %s\n", wifi.get_netmask());
00205     printf("Gateway: %s\n", wifi.get_gateway());
00206     printf("RSSI: %d\n\n", wifi.get_rssi());
00207 
00208     for(int i=0; i<5; i++){
00209         printf("\n\r--- Reading sensor values ---\n\r");
00210         read_sensor();
00211         printf("\n\r--- Sending data to thingspeak ---\n\r");
00212         http_demo(&wifi);
00213         printf("Data no.%d\n",i);
00214         wait(15);
00215     }
00216     wifi.disconnect();
00217 
00218     printf("\nDone\n");
00219 }