Reads DISCO-L475VG-IOT01A sensor data and sends it over WIFI
Dependencies: mbed DISCO_L475VG_IOT01A_wifi BSP_B-L475E-IOT01
Diff: main.cpp
- 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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