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esp-link/arduino/libraries/EspLink/examples/EspLinkWebApp/UserPage.ino

84 lines
2.3 KiB

#include <EEPROM.h>
#include "WebServer.h"
#define MAGIC 0xABEF
#define MAX_STR_LEN 32
#define POS_MAGIC 0
#define POS_FIRST_NAME (POS_MAGIC + 2)
#define POS_LAST_NAME (POS_FIRST_NAME + MAX_STR_LEN)
#define POS_AGE (POS_LAST_NAME + MAX_STR_LEN)
#define POS_GENDER (POS_AGE+1)
#define POS_NOTIFICATIONS (POS_GENDER+1)
void userInit()
{
uint16_t magic;
EEPROM.get(POS_MAGIC, magic);
if( magic != MAGIC )
{
magic = MAGIC;
EEPROM.put(POS_MAGIC, magic);
EEPROM.update(POS_FIRST_NAME, 0);
EEPROM.update(POS_LAST_NAME, 0);
EEPROM.update(POS_AGE, 0);
EEPROM.update(POS_GENDER, 'f');
EEPROM.update(POS_NOTIFICATIONS, 0);
}
}
void userWriteStr(char * str, int ndx)
{
for(uint8_t i=0; i < MAX_STR_LEN-1; i++)
{
EEPROM.update(ndx + i, str[i]);
if( str[i] == 0 )
break;
}
EEPROM.update(ndx + MAX_STR_LEN - 1, 0);
}
void userReadStr(char * str, int ndx)
{
for(uint8_t i=0; i < MAX_STR_LEN; i++)
{
str[i] = EEPROM[ndx + i];
}
}
void userHtmlCallback(WebServerCommand command, char * data, int dataLen)
{
switch(command)
{
case SET_FIELD:
if( strcmp_P(data, PSTR("first_name")) == 0 )
userWriteStr(webServer.getArgString(), POS_FIRST_NAME);
if( strcmp_P(data, PSTR("last_name")) == 0 )
userWriteStr(webServer.getArgString(), POS_LAST_NAME);
if( strcmp_P(data, PSTR("age")) == 0 )
EEPROM.update(POS_AGE, (uint8_t)webServer.getArgInt());
if( strcmp_P(data, PSTR("gender")) == 0 )
EEPROM.update(POS_GENDER, (strcmp_P(webServer.getArgString(), PSTR("male")) == 0 ? 'm' : 'f'));
if( strcmp_P(data, PSTR("notifications")) == 0 )
EEPROM.update(POS_NOTIFICATIONS, (uint8_t)webServer.getArgBoolean());
break;
case LOAD:
{
char buf[MAX_STR_LEN];
userReadStr( buf, POS_FIRST_NAME );
webServer.setArgString("first_name", buf);
userReadStr( buf, POS_LAST_NAME );
webServer.setArgString("last_name", buf);
webServer.setArgInt("age", (uint8_t)EEPROM[POS_AGE]);
webServer.setArgStringP("gender", (EEPROM[POS_GENDER] == 'm') ? PSTR("male") : PSTR("female"));
webServer.setArgBoolean("notifications", EEPROM[POS_NOTIFICATIONS] != 0);
}
break;
case REFRESH:
// do nothing
break;
}
}