younes sami
Reads DISCO-L475VG-IOT01A sensor data and sends it over WIFI
Dependencies: mbed DISCO_L475VG_IOT01A_wifi BSP_B-L475E-IOT01
main.cpp
- Committer:
- samilive2011
- Date:
- 2019-07-10
- Revision:
- 0:c3aca5198054
File content as of revision 0:c3aca5198054:
#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;
}