void CAN1RxMsgProcess(void)
{
CANRxMessageBuffer *message;
if(isCAN1MsgReceived == FALSE)
{
return;
}
isCAN1MsgReceived = FALSE;
message = CANGetRxMessage(CAN1, CAN_CHANNEL1);
lcdInstruction("0;0H");
unsigned int sid = message->msgSID.SID;
unsigned int data = message->data[0] << 8;
unsigned int data2 = message->data[1];
float temp = (data + data2) * 0.1;
sprintf(buffer, "%u", sid);
lcdString(buffer);
sprintf(buffer, "%2.2fF", temp);
lcdInstruction("1;0H");
lcdString("ET: ");
lcdString(buffer);
CANUpdateChannel(CAN1, CAN_CHANNEL1);
CANEnableChannelEvent(CAN1, CAN_CHANNEL1, CAN_RX_CHANNEL_NOT_EMPTY, TRUE);
}
//Prints Welcome screen
void welcomeScreen()
{
if(button1)
{
lcdInstruction("j");
while(!secondTick());
while(!secondTick());
lcdString("Secure Vault");
button1 = FALSE;
}
}
//Function to enter password or reset password
void enterVault()
{
char display[8];
pass[0] = 0x00;
pass[1] = 0x00;
pass[2] = 0x00;
if(buttonPressed(BTN_ROTARY)) //Section for entering password
{
UINT8 mem[3];
eepromRead(0x0000, 3, mem); //Read stored password from eeprom
int y;
y = 0;
lcdInstruction("j");
lcdString(" Enter Key ");
lcdInstruction("1;0H");
lcdString(" ");
sprintf(display, "%2.2X-%2.2X-%2.2X", pass[0], pass[1], pass[2]);
lcdString(display);
while(TRUE)
{
int x;
x = 0;
if(buttonPressed(BTN_ROTARY))
y++;
x = readRotaryKnob();
if(x != 0 || y == 3)
{
if(switchState(SWITCH_ROTARY))
x = x*8;
pass[y] += x;
lcdInstruction("j");
lcdString(" Enter Key ");
lcdInstruction("1;0H");
lcdString(" ");
sprintf(display, "%2.2X-%2.2X-%2.2X", pass[0], pass[1], pass[2]);
lcdString(display);
if(y == 3)
{
lcdInstruction("j");
if(mem[0] == pass[0] && mem[1] == pass[1] && mem[2] == pass[2]) //Compare passwords
{
lcdString(" Key Correct! ");
while(!secondTick());
while(!secondTick());
vault(); //If correct go to data editing function
break;
}
else
{
lcdString(" Key Incorrect! "); //If incorrect print message and break
while(!secondTick());
while(!secondTick());
break;
}
}
}
}
}
else if(buttonPressed(BTN3)) //Section for resetting password
{
char data[17] = "abcdefghijklmnop"; //Used to reset data on eeprom
int y;
y = 0;
lcdInstruction("j");
lcdString(" Reset Key ");
lcdInstruction("1;0H");
lcdString(" ");
sprintf(display, "%2.2X-%2.2X-%2.2X", pass[0], pass[1], pass[2]);
lcdString(display);
while(TRUE)
{
int x;
x = 0;
if(buttonPressed(BTN_ROTARY))
y++;
x = readRotaryKnob();
if(x != 0 || y == 3)
{
if(switchState(SWITCH_ROTARY))
x = x*8;
pass[y] += x;
lcdInstruction("j");
lcdString(" Reset Key ");
lcdInstruction("1;0H");
lcdString(" ");
sprintf(display, "%2.2X-%2.2X-%2.2X", pass[0], pass[1], pass[2]);
lcdString(display);
if(y == 3)
{
lcdInstruction("j");
lcdString(" Key Reset! ");
eepromWrite(0x0000, 3, pass); //store new password
while(!secondTick());
while(!secondTick());
while(!secondTick());
eepromWrite(0x0003, 16, data); //reset data
vault();
break;
}
}
}
}
}
//Function to store and edit user data
void vault()
{
char cursor[5]; //used to format cursor
UINT8 data[17]; //used to store the user data
while(!secondTick());
while(!secondTick());
eepromRead(0x0003, 16, data);
lcdInstruction("j");
lcdString(" Edit Data: ");
lcdInstruction("1;0H");
lcdString(data);
lcdInstruction("1;0H");
lcdInstruction("1c");
int y;
y = 0;
while(TRUE)
{
int x;
x = 0;
if(buttonPressed(BTN_ROTARY))
{
y++;
if(y == 16)
y = 0;
sprintf(cursor, "1;%dH", y);
lcdInstruction(cursor);
}
x = readRotaryKnob();
if(x != 0) //To edit data
{
if(switchState(SWITCH_ROTARY))
x = x*8;
data[y] += x;
if((int)data[y] >= 123)
{
int k;
k = (int)data[y] -123;// = k; 97;
data[y] = 97 + k;
}
if((int)data[y] <= 96)
{
int k;
k = 96 - (int)data[y];
data[y] = 122 - k;
}
lcdInstruction("j");
lcdString(" Edit Data: ");
lcdInstruction("1c");
lcdInstruction("1;0H");
lcdString(data);
sprintf(cursor, "1;%dH", y);
lcdInstruction(cursor);
}
if(buttonPressed(BTN1)) //To exit data entry
{
lcdInstruction("j");
lcdInstruction("0c");
lcdString(" Data Saved ");
eepromWrite(0x0003, 16, data);
button1 = TRUE;
while(!secondTick());
while(!secondTick());
break;
}
}
}