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Utils.ino
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// Various fonctinality grouped here
// DisplayLat displays the given latitude value
// DisplayLon displays the given longitude value
// SetInterface reset bool values used for interface state
// SetInputBuf sets the input buffer to a given value
// InitInputBuf sets the input buffer to all zero
// DisplayDist displays the given ditance value
// DisplayTime displays the current time
// DisplayDate displays the current date
// ShowInt prints a value on a specific Row starting at Position, it does not erase value before the offset but erase the rest of the row after
// overloaded to take a long instead of a int
// ShowText prints a cstring on a specific Row, it expect padding before for aligment, and erase the rest of the row if shorter than 7
// LatLonAbsolute converts the given long value to it's absolute and return the signs it was before conversion (bool)
// AddLatLonSign takes the absolute lat or lon value, it's N/S or E/W indicator and return the propper +/- lat or lon
// ConvertStringToNum returns a long that is the given char value that been multiplied by a given float factor
// SavePosition copies the current position to the selected waypoint
// ClearPosition erase the values from the selected waypoint
// ReadEEPROM reads the EEPROM and set the appropriate NavData when valid
// ReadDetailEEPROM
// UpdateEEPROM writes to EEPROM when a NavData is valid and different
// UpdateDetailEEPROM
// UpdateSplitLong writes a 32bits long to four 8bits bytes to consecutive EEPROM addrs
// ReadMergeLong reads four 8bits bytes from consecutive EEPROM addrs and return a single 32bits long
// UpdateSplitInt writes a 16bits int to two 8bits bytes to consecutive EEPROM addrs
// ReadMergeInt reads two 8bits bytes from consecutive EEPROM addrs and return a single 16bits int
// ResetParam sets to default all the NavData values and some internal state values as well as overwiting everyting in the EEPROM
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void DisplayLat(long Lat, bool NInd, bool Precision) {
NInd ? ToggleBox(Box_N) : ToggleBox(Box_S);
NInd ? ToggleCross(Cross_N) : ToggleCross(Cross_S);
Precision ? ShowText(LCDRowHi, " 00000") : ShowText(LCDRowHi, " 0000");
if(Lat > 999999)
ShowInt(LCDRowHi, &Lat, Precision ? 1 : 2);
else if(Lat > 99999)
ShowInt(LCDRowHi, &Lat, Precision ? 2 : 3);
else if(Lat > 9999)
ShowInt(LCDRowHi, &Lat, Precision ? 3 : 4);
else if(Lat > 999)
ShowInt(LCDRowHi, &Lat, Precision ? 4 : 5);
else if(Lat > 99)
ShowInt(LCDRowHi, &Lat, Precision ? 5 : 6);
else if(Precision)
ShowInt(LCDRowHi, &Lat, 6);
ToggleInd(LCDDecimalDot, !Precision);
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void DisplayLon(long Lon, bool EInd, bool Precision) {
EInd ? ToggleBox(Box_E) : ToggleBox(Box_W);
EInd ? ToggleCross(Cross_E) : ToggleCross(Cross_W);
Precision ? ShowText(LCDRowHi, " 00000") : ShowText(LCDRowHi, " 0000");
if(Lon > 9999999)
ShowInt(LCDRowHi, &Lon, Precision ? 0 : 1);
else if(Lon > 999999)
ShowInt(LCDRowHi, &Lon, Precision ? 1 : 2);
else if(Lon > 99999)
ShowInt(LCDRowHi, &Lon, Precision ? 2 : 3);
else if(Lon > 9999)
ShowInt(LCDRowHi, &Lon, Precision ? 3 : 4);
else if(Lon > 999)
ShowInt(LCDRowHi, &Lon, Precision ? 4 : 5);
else if(Lon > 99)
ShowInt(LCDRowHi, &Lon, Precision ? 5 : 6);
else if(Precision)
ShowInt(LCDRowHi, &Lon, 6);
ToggleInd(LCDDecimalDot, !Precision);
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void SetInterface(void *) {
MainState.ShowDist = MainState.CurrentMode != 'H'; // Dist not used in mode H
MainState.ShowLat = MainState.CurrentMode == 'H';
MainState.ShowLon = false;
MainState.ShowPrecision = false;
MainState.ShowSpeed = false;
MainState.ShowAltitude = false;
MainState.ShowScale = false;
MainState.ShowDate = false;
MainState.Resetting = 0;
MainState.Recalibrate = 0;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void SetInputBuf(long Val, bool IndLon) {
char IntBuffer[10];
byte j = 0, len;
long mask = 1000000;
if(Val == 0)
InitInputBuf(NULL);
else {
ltoa(Val, IntBuffer, 10);
len = strlen(IntBuffer);
if( IndLon )
mask *= 10;
for(byte i=0; i<8; i++) {
if(i < MainState.InputPos || i > MainState.InputMax)
MainState.InputBuffer[i] = ' ';
else {
if(Val < mask) {
mask /= 10;
MainState.InputBuffer[i] = '0';
} else {
if(j < len)
MainState.InputBuffer[i] = IntBuffer[j];
//else
// MainState.InputBuffer[i] = '0';
j++;
}
}
}
MainState.InputBuffer[8] = 0x00;
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void InitInputBuf(void *) {
for(byte i=0; i<8; i++) {
if(i < MainState.InputPos || i > MainState.InputMax)
MainState.InputBuffer[i] = ' ';
else
MainState.InputBuffer[i] = '0';
}
MainState.InputBuffer[8] = 0x00;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void DisplayDist(long Dist) {
ShowText(LCDRowHi, " 0000");
if(Dist < 10)
ShowInt(LCDRowHi, &Dist, 6);
else if(Dist < 100)
ShowInt(LCDRowHi, &Dist, 5);
else if(Dist < 1000)
ShowInt(LCDRowHi, &Dist, 4);
else if(Dist < 10000)
ShowInt(LCDRowHi, &Dist, 3);
else if(Dist < 100000)
ShowInt(LCDRowHi, &Dist, 2);
else if(Dist < 1000000)
ShowInt(LCDRowHi, &Dist, 1);
else
ShowInt(LCDRowHi, &Dist, 0);
ToggleInd(LCDDecimalDot, true);
ToggleInd(LCDIndKmHi, true);
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void DisplayTime(void *) {
ShowText(LCDRowLow, MaskBlank_Msg);
ToggleNumberVal(LCDRowLow, 2, NavValue.Time[0]);
ToggleNumberVal(LCDRowLow, 3, NavValue.Time[1]);
ToggleNumberVal(LCDRowLow, 4, NavValue.Time[2]);
ToggleNumberVal(LCDRowLow, 5, NavValue.Time[3]);
ToggleInd(LCDColonDotHi, true);
ToggleInd(LCDColonDotLow, true);
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void DisplayDate(void *) {
switch(NavValue.Date[0]) {
case '0': ToggleBox(Box_0); ToggleCross(Cross_0); break;
case '1': ToggleBox(Box_1); ToggleCross(Cross_1); break;
case '2': ToggleBox(Box_2); ToggleCross(Cross_2); break;
case '3': ToggleBox(Box_3); ToggleCross(Cross_3); break;
case '4': ToggleBox(Box_4); ToggleCross(Cross_4); break;
case '5': ToggleBox(Box_5); ToggleCross(Cross_5); break;
case '6': ToggleBox(Box_6); ToggleCross(Cross_6); break;
case '7': ToggleBox(Box_7); ToggleCross(Cross_7); break;
case '8': ToggleBox(Box_8); ToggleCross(Cross_8); break;
case '9': ToggleBox(Box_9); ToggleCross(Cross_9); break;
}
ToggleNumberVal(LCDRowHi, 0, NavValue.Date[1]);
ToggleNumberVal(LCDRowHi, 1, '-');
ToggleNumberVal(LCDRowHi, 2, NavValue.Date[2]);
ToggleNumberVal(LCDRowHi, 3, NavValue.Date[3]);
ToggleNumberVal(LCDRowHi, 4, '-');
ToggleNumberVal(LCDRowHi, 5, NavValue.Date[4]);
ToggleNumberVal(LCDRowHi, 6, NavValue.Date[5]);
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ShowInt does not erase value before the offset but erase the rest of the row after
void ShowInt(byte Row, int Val, byte Offset) {
char IntBuffer[15];
byte Index = 0;
bool Ended = false;
itoa(Val, IntBuffer, 10);
for(byte i=0; i<7; i++) {
if( i >= Offset ) {
if(Ended)
ToggleNumberVal(Row, i, ' ');
else {
Ended = IntBuffer[Index] == 0x00;
ToggleNumberVal(Row, i, IntBuffer[Index]);
Index++;
}
}
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ShowInt does not erase value before the offset but erase the rest of the row after
void ShowInt(byte Row, long *Val, byte Offset) {
char IntBuffer[15];
byte Index = 0;
bool Ended = false;
ltoa(*Val, IntBuffer, 10);
for(byte i=0; i<7; i++) {
if( i >= Offset ) {
if(Ended)
ToggleNumberVal(Row, i, ' ');
else {
Ended = IntBuffer[Index] == 0x00;
ToggleNumberVal(Row, i, IntBuffer[Index]);
Index++;
}
}
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ShowText expect padding before for aligment, and erase the rest of the row if shorter than 7
void ShowText(byte Row, char Text[]) {
bool Ended = false;
for(byte i=0; i<7; i++) {
if(Ended)
ToggleNumberVal(Row, i, ' ');
else {
Ended = Text[i] == 0x00;
ToggleNumberVal(Row, i, Text[i]);
}
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
bool LatLonAbsolute(long *Val) {
long Out;
if( *Val < 0 ) {
Out = abs(*Val);
*Val = Out;
return false;
} else
return true;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
long AddLatLonSign( long Val, bool *Ind, bool LatMode) {
if (LatMode)
return Ind ? Val : Val*-1;
else
return Ind ? Val*-1 : Val;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
long ConvertStringToNum(char *Val, float *Factor) {
float ConvVal;
ConvVal = atof(Val);
ConvVal *= *Factor;
return round(ConvVal);
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void SavePosition(void *) {
NavValue.Position->Lat = NavValue.Current.Lat;
NavValue.Position->Lon = NavValue.Current.Lon;
NavValue.Position->NInd = NavValue.Current.NInd;
NavValue.Position->EInd = NavValue.Current.EInd;
NavValue.Position->X = NavValue.Current.X;
NavValue.Position->Y = NavValue.Current.Y;
MainState.WaypointsSet[MainState.CurrentWaypoint] = true;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void ClearPosition(void *) {
NavValue.Position->Lat = 0;
NavValue.Position->Lon = 0;
NavValue.Position->NInd = true;
NavValue.Position->EInd = false;
NavValue.Position->X = 0;
NavValue.Position->Y = 0;
MainState.WaypointsSet[MainState.CurrentWaypoint] = false;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void ReadEEPROM(void *) {
byte Offset;
NavValue.HourOffset = EEPROM.read(EEPROM_HourOffset);
NavValue.MinuteOffset = EEPROM.read(EEPROM_MinuteOffset);
ReadDetailEEPROM(&NavValue.RefPointA, &MainState.RefPointA, EEPROM_RefPointA);
ReadDetailEEPROM(&NavValue.RefPointB, &MainState.RefPointB, EEPROM_RefPointB);
ReadDetailEEPROM(&NavValue.Destination, &MainState.Destination, EEPROM_Destination);
for(byte i=0; i<10; i++) {
Offset = EEPROM_Waypoints + (i * EEPROM_WaypointSize);
// 0-3 Lat, 4-7 Lon, 8 WaypointSet
if( EEPROM.read(Offset + EEPROM_WaypointSetPos) == EEPROM_True ) {
NavValue.Waypoints[i].Lat = ReadMergeLong(Offset + EEPROM_LatPos);
NavValue.Waypoints[i].NInd = LatLonAbsolute(&NavValue.Waypoints[i].Lat);
NavValue.Waypoints[i].Lon = ReadMergeLong(Offset + EEPROM_LonPos);
NavValue.Waypoints[i].EInd = !LatLonAbsolute(&NavValue.Waypoints[i].Lon);
MainState.WaypointsSet[i] = true;
}
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void ReadDetailEEPROM(NavData *Data, ElemStruct *State, byte Addr) {
// 0-3 Lat, 4-7 Lon, 8-9 X, 10-11 Y, 12 LatLonVal, 13 XYVal
if( EEPROM.read(Addr + EEPROM_LatLonValPos) == EEPROM_True ) {
Data->Lat = ReadMergeLong(Addr + EEPROM_LatPos);
Data->NInd = LatLonAbsolute(&Data->Lat);
Data->Lon = ReadMergeLong(Addr + EEPROM_LonPos);
Data->EInd = !LatLonAbsolute(&Data->Lon);
State->LatSet = true;
State->LonSet = true;
}
if( Addr != EEPROM_Destination && EEPROM.read(Addr + EEPROM_XYValPos) == EEPROM_True ) {
Data->X = ReadMergeInt(Addr + EEPROM_XPos);
Data->Y = ReadMergeInt(Addr + EEPROM_YPos);
State->XYSet = true;
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void UpdateEEPROM(void *) {
byte Offset;
long ValLong;
EEPROM.update(EEPROM_HourOffset, NavValue.HourOffset);
EEPROM.update(EEPROM_MinuteOffset, NavValue.MinuteOffset);
UpdateDetailEEPROM(&NavValue.RefPointA, &MainState.RefPointA, EEPROM_RefPointA);
UpdateDetailEEPROM(&NavValue.RefPointB, &MainState.RefPointB, EEPROM_RefPointB);
UpdateDetailEEPROM(&NavValue.Destination, &MainState.Destination, EEPROM_Destination);
for(byte i=0; i<10; i++) {
Offset = EEPROM_Waypoints + (i * EEPROM_WaypointSize);
// 0-3 Lat, 4-7 Lon, 8 WaypointSet
if( MainState.WaypointsSet[i] ) {
ValLong = AddLatLonSign( NavValue.Waypoints[i].Lat, &NavValue.Waypoints[i].NInd, true);
UpdateSplitLong(ValLong, Offset + EEPROM_LatPos);
ValLong = AddLatLonSign( NavValue.Waypoints[i].Lon, &NavValue.Waypoints[i].EInd, false);
UpdateSplitLong(ValLong, Offset + EEPROM_LonPos);
EEPROM.update(Offset + EEPROM_WaypointSetPos, EEPROM_True);
} else {
EEPROM.update(Offset + EEPROM_WaypointSetPos, EEPROM_False);
}
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void UpdateDetailEEPROM(NavData *Data, ElemStruct *State, byte Addr) {
long ValLong;
// 0-3 Lat, 4-7 Lon, 8-9 X, 10-11 Y, 12 LatLonVal, 13 XYVal
if( State->LatSet && State->LonSet) {
ValLong = AddLatLonSign( Data->Lat, &Data->NInd, true);
UpdateSplitLong(ValLong, Addr + EEPROM_LatPos);
ValLong = AddLatLonSign( Data->Lon, &Data->EInd, false);
UpdateSplitLong(ValLong, Addr + EEPROM_LonPos);
EEPROM.update(Addr + EEPROM_LatLonValPos, EEPROM_True);
} else {
EEPROM.update(Addr + EEPROM_LatLonValPos, EEPROM_False);
}
if( Addr != EEPROM_Destination && State->XYSet ) {
UpdateSplitInt(Data->X, Addr + EEPROM_XPos);
UpdateSplitInt(Data->Y, Addr + EEPROM_YPos);
EEPROM.update(Addr + EEPROM_XYValPos, EEPROM_True);
} else {
EEPROM.update(Addr + EEPROM_XYValPos, EEPROM_False);
}
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void UpdateSplitLong(long Val, int ID) {
EEPROM.update(ID, (Val & 0xff000000) >> 24);
EEPROM.update(ID+1, (Val & 0x00ff0000) >> 16);
EEPROM.update(ID+2, (Val & 0x0000ff00) >> 8);
EEPROM.update(ID+3, (Val & 0x000000ff) );
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
long ReadMergeLong(int ID) {
long Val = (long)EEPROM.read(ID) << 24;
Val += (long)EEPROM.read(ID+1) << 16;
Val += (long)EEPROM.read(ID+2) << 8 ;
return Val + (long)EEPROM.read(ID+3) ;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void UpdateSplitInt(int Val, int ID) {
EEPROM.update(ID , (Val & 0xff00) >> 8);
EEPROM.update(ID+1, (Val & 0x00ff) );
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
int ReadMergeInt(int ID) {
int Val = EEPROM.read(ID) << 8;
return Val + EEPROM.read(ID+1) ;
}
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
// ##### ##### ##### ##### #####
void ResetParam(void *) {
ElemStruct *TargetElem;
NavData *TargetNav;
byte i;
ShowText(LCDRowHi, Loading_Msg);
RefreshLCD(NULL);
MainState.CursorValid = false;
NavValue.HourOffset = 0;
NavValue.MinuteOffset = 0;
for(i=0; i<5; i++) {
switch(i) {
case 0: TargetElem = &MainState.RefPointA;
TargetNav = &NavValue.RefPointA;
break;
case 1: TargetElem = &MainState.RefPointB;
TargetNav = &NavValue.RefPointB;
break;
case 2: TargetElem = &MainState.Destination;
TargetNav = &NavValue.Destination;
break;
case 3: TargetElem = &MainState.Pointer;
TargetNav = &NavValue.Pointer;
break;
case 4: TargetNav = NavValue.Position;
break;
}
TargetElem->LatSet = false;
TargetElem->LonSet = false;
TargetElem->XYSet = false;
TargetNav->Lat = 0;
TargetNav->Lon = 0;
TargetNav->Dist = 0;
TargetNav->NInd = true;
TargetNav->EInd = false;
TargetNav->X = 0;
TargetNav->Y = 0;
TargetNav->Angle = 0;
}
for(i=0; i<=EEPROM_NbMaxAddrUsed; i++)
EEPROM.update(i, 0);
}