main2.c
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#include <string.h>
#include "libwismart.h"
#include "libwismart_irqs.h" /* implement irq handlers */
#include "lwip/inet.h"
#include "globals.h"
#include "httpClient.h"
#include "callbacks.h"
#include "buffer.h"
#include "i2c.h"
#include "configServer.h"
#include "timer-loop.h"
#include "ntp.h"
#include "sensors.h"
#define WIFI_MODE WIFI_MODE_CLIENT
#define NETWORK_SSID_AP "modularsens"
#define NETWORK_KEY_AP NULL
#define NETWORK_CHANNEL_AP 1
#define HARD_LIMIT_WAIT_TIME 10*1000 //5*60*1000
wismart_registryKey_t geo;
void initLibwismart(void)
{
wismart_hwif_t hwif = libwismart_GetDefaultHWIF();
libwismart_Init(hwif);
}
uint8_t connected=0;
uint8_t timeout=0;
uint8_t retries=0;
uint8_t sensors_length=0;
void init_registry(void)
{
config_params_t config;
strcpy(config.localization,"none");
libwismart_RegistryCreateKey(&geo, 1, sizeof(config));
libwismart_RegistryOpen(1);
if(!libwismart_RegistryIsValueEmpty(&geo))
{
libwismart_RegistryGet(&geo,&config);
}
printf("SSID = %s\r\n",config.ssid);
printf("Wep key = %s\r\n",config.wepkey);
printf("Passphrase = %s\r\n", config.passphrase);
printf("User = %s\r\n",config.user);
printf("Password = %s\r\n",config.password);
printf("Encryption type = %d\r\n",config.security);
printf("Geo Localization = %s\r\n", config.localization);
strcpy(mod.geoloc,config.localization);
if(config.security == PROFILE_SECURITY_OPEN)
{
printf("open detected\r\n");
libwismart_WiFiConnect(config.ssid,NULL,wifi_connect_result_cb);
}
else if(config.security == PROFILE_SECURITY_WPA_WPA2)
{
if(!strcmp(config.user,""))
{
printf("wpa detected\r\n");
libwismart_WiFiConnect(config.ssid,config.passphrase,wifi_connect_result_cb);
}
else
{
printf("wpa Enterprise detected\r\n");
struct wpa_param wpa;
wpa.eap_method = WISMART_EAP_METHOD_TTLS;
wpa.u.ttls.identity = config.user;
wpa.u.ttls.password = config.password;
wpa.u.ttls.ca_cert=NULL;
libwismart_WiFiConnectEnterprise(config.ssid, &wpa, wifi_connect_result_cb);
}
}
else
{
printf("wep detected\r\n");
//Is WEP
libwismart_WiFiConnect(config.ssid,config.wepkey,wifi_connect_result_cb);
}
while(connected == 0 && timeout != 1 )
{chThdSleepMilliseconds(500);}
}
void send_data(char** buffers[], uint32_t ind[], uint32_t sizes[], uint8_t sensors[])
{
int j;
for(j=0;j<sensors_length;j++)
{
printf(" enviant buffer %d\r\n",j);
// fem servir 085 de prova, però haurem de fer servir sensor_id[j]
char id[3];
sprintf(id,"%x",sensors[j]);
int ok=send(buffers[j],&ind[j],&sizes[j], mod.ID, id);
if(ok==JSON_COMM_ERROR)
{
printf("wismart is not connected\r\n");
}
else if( ok==JSON_OTHER_ERROR){
printf("some error ocurred\r\n");
}
else if(ok ==JSON_POST_OK){
printf(" send OK \r\n");
}
}
}
void put_buffers(char** buffers[],uint32_t ind[],uint32_t sizes[],char** cooked, uint8_t* sensors){
int i;
for(i=0;i<sensors_length;i++){
put_message(cooked[i], buffers[i] ,&ind[i],&sizes[i]);
chHeapFree(cooked[i]);
}
}
char** timestamp_datas(char* value[],unsigned long timestamp, uint8_t* sensors){
char** cooked_data;
cooked_data = (char**) chHeapAlloc(NULL,sensors_length * sizeof(char*));
Date t=getDate(timestamp);
int i;
for(i=0;i<sensors_length;i++){
cooked_data[i]=timestamp_data(value[i], t);
chHeapFree(value[i]);
}
return cooked_data;
}
void wifi_connect(void)
{
init_registry();
if(timeout==1)
{
printf("Creating AP\r\n");
//corroborar los parametros del AP
configServer_start(1);
libwismart_WiFi_SoftAP_Start(NETWORK_SSID_AP,NETWORK_CHANNEL_AP,NULL,softapMode_apStartedCb, softapMode_clientIndicationCb);
for(;;)
{
chThdSleepMilliseconds(1000);
}
}
}
void wifi_disconnect(void){
uint8_t res=libwismart_WiFiDisconnect();
if(res)
printf("WIFI_DISCONNECT_SUCCESS\r\n");
else
printf("WIFI_DISCONNECT_FAILURE\r\n");
}
int main(void)
{
initLibwismart();
libwismart_PowerSave_Enable();
libwismart_PowerSave_HigherProfile(TRUE);
libwismart_RegisterDhcpCB(dhcp_connect_result_cb);
libwismart_WiFiInit();
libwismart_SetScanRunsForConnTimeout(4); //Edit a 4
libwismart_EnableBsdSocketAPI();
//Escanea los sensores -> retorna un vector con las direcciones en cada posición del vector, si la posición del vector retorna un cero -> no existe el sensor
uint8_t sensors[TOTAL_SENSORS];
memset (sensors, 0, TOTAL_SENSORS);
char* valueSensors[TOTAL_SENSORS];
memset (valueSensors, 0, TOTAL_SENSORS);
I2C_scan(sensors);
sensors_length=strlen(sensors);
//registrar sensores
//Esta funcion esta mas arriba para no repetir código luego -- Imanol
wifi_connect();
//unsigned int time = getNTPTime();
unsigned int time = getSecsSince1900();
//desconectarwifi
wifi_disconnect();
unsigned long timestamp = 0;
unsigned long delay = getSystemTime();
unsigned long delay2 = 0;
sleep_thread(SHORT_PERIOD - time%SHORT_PERIOD);
uint32_t ind[sensors_length]={0};
char** buffers[sensors_length];
uint32_t sizes[sensors_length]={0};
//char* cooked_data[TOTAL_SENSORS];
int i = 1;
while(1){
time += getElapsedTime(delay);
printf("time (absolute):\t%d\r\ntime mod LONG_PERIOD:\t%d\r\ntime mod SHORT_PERIOD:\t%d\r\n",time,time%LONG_PERIOD,time%SHORT_PERIOD);
delay = getSystemTime();
/* Collect data from sensors */
//collect_data(/*a_rawData*/);
collectData(valueSensors, sensors);
time += getElapsedTime(delay);
printf("time (absolute):\t%d\r\ntime mod LONG_PERIOD:\t%d\r\ntime mod SHORT_PERIOD:\t%d\r\n",time,time%LONG_PERIOD,time%SHORT_PERIOD);
delay = getSystemTime();
//cada mitja hora
if (i == LONG_PERIOD/SHORT_PERIOD ){
/* Wi-Fi connect */
wifi_connect();
/* Send data to server, empty the buffer */
send_data(buffers, ind, sizes, sensors);
//time = getNTPTime();
time = getSecsSince1900();
//desconectar wifi
wifi_disconnect();
printf("time (absolute):\t%d\r\ntime mod LONG_PERIOD:\t%d\r\ntime mod SHORT_PERIOD:\t%d\r\n",time,time%LONG_PERIOD,time%SHORT_PERIOD);
i = 0;
}
delay2 = getElapsedTime(delay);
delay = getSystemTime();
timestamp = time - delay2;
printf("timestamp (absolute):\t%d\r\ntimestamp mod LONG_PERIOD:\t%d\r\ntimestamp mod SHORT_PERIOD:\t%d\r\n",timestamp,timestamp%LONG_PERIOD,timestamp%SHORT_PERIOD);
/* Add data to the buffer with timestamp*/
//a_cookedData = format_data(a_rawData, timestamp);
char** values=timestamp_datas(valueSensors,timestamp,sensors);
put_buffers(buffers,ind,sizes,values,sensors);
printf("mirant memoria\r\n");
int res=check_memory();
if(res==SOFT_REACHED){
printf("--------------soft limit-------------\r\n");
wifi_connect();
send_data(buffers, ind, sizes, sensors);
//disconect_wifi()
wifi_disconnect();
}
else if(res==HARD_REACHED){
printf("--------------hard limit-------------\r\n");
wifi_connect();
// fem servir 085 de prova, però haurem de fer servir sensor_id[0]
char id_0[3];
sprintf(id_0,"%x",sensors[0]);
while( send(buffers[0],&ind[0],&sizes[0], mod.ID, id_0) != JSON_POST_OK )
{
// El servidor no ens sap dir si tenim permisos o no sense registrar una mostra.
// Intentem enviar un buffer sencer, a veure si ja podem buidar.
// No podem enviar només una mostra perquè json és rígid en aquest sentit.
printf("hard_reached and unable to sentd.\r\nLa biblia en vers: i Jesús digué: Aixeca't, Llàtzer!!\r\n");
chThdSleepMilliseconds(HARD_LIMIT_WAIT_TIME);
}
int j;
for(j=1;j<sensors_length;j++)
{
printf(" enviant buffer %d\r\n",j);
// fem servir 085 de prova, però haurem de fer servir sensor_id[j]
char id[3];
sprintf(id,"%x",sensors[j]);
int ok=send(buffers[j],&ind[j],&sizes[j], mod.ID, id);
if(ok==JSON_COMM_ERROR)
{
printf("wismart is not connected\r\n");
}
else if( ok==JSON_OTHER_ERROR){
printf("some error ocurred\r\n");
}
else if(ok ==JSON_POST_OK){
printf(" send OK \r\n");
}
}
wifi_disconnect();
}
time += getElapsedTime(delay);
printf("time (absolute):\t%d\r\ntime mod LONG_PERIOD:\t%d\r\ntime mod SHORT_PERIOD:\t%d\r\n",time,time%LONG_PERIOD,time%SHORT_PERIOD);
delay = getSystemTime();
sleep_thread(SHORT_PERIOD - time%SHORT_PERIOD);
i++;
}
}