Hi all,
checked few of similar posts， didn't get clue yet.
link: https://github.com/middelbh/GPSnavigator/blob/master/GPSNavigator.ino
CODE:
#include <Adafruit_GFX.h> // Core graphics library
#include <Adafruit_TFTLCD.h> // Hardware-specific library
#include <SD.h>// SD library
#include <SPI.h>// SPI library
#include <EEPROM.h>// EEPROM library
#include <TinyGPS.h>// Tiny GPS library
#define LCD_CS A3 // Chip Select goes to Analog 3
#define LCD_CD A2 // Command/Data goes to Analog 2
#define LCD_WR A1 // LCD Write goes to Analog 1
#define LCD_RD A0 // LCD Read goes to Analog 0
#define SD_CS 10 // Set the chip select line to whatever you use (10 doesnt conflict with the library)
#define BUFFPIXEL 80// To increase speed for display we use a buffer
float latitude=51.687994;//Sint Jan; will be used as long as no GPS signal is recieved
float longitude=5.308396;
float oldlat,oldlon;// In order to check if the position has changed we need the old position
float Lat1,Lat2,Lon1,Lon2;// Position of left top and right bottom of BMP, read from boundarykl.dat
int XPos,YPos;
File boundaryfile;
String FileNameMap;
char FileNameString[8]; // char array to copy the String into
unsigned long fix_age;
TinyGPS gps; // create gps object
Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, A4);
void setup(){
Serial.begin(9600);
tft.reset();
uint16_t identifier = tft.readID();
tft.begin(identifier);
tft.fillScreen(0x0000);
}
float arraytofloat1(char input[]){
float b=0.0;
float c=10.0;
for(int t=0;t<10;t++){
float a=0.0;
a=input[t]-'0';
b=b+c*a;
c=c*0.1;
}
return b;
}
void Readline(){
char Buf1[12];
char Dummy[1];
boundaryfile.read(Buf1,12);
Lat1=arraytofloat1(Buf1);// Top latitude
boundaryfile.read(Dummy,1);// Comma separator
boundaryfile.read(Buf1,12);
Lat2=arraytofloat1(Buf1);// Bottom latitude
boundaryfile.read(Dummy,1);// Comma separator
boundaryfile.read(Buf1,12);
Lon1=arraytofloat1(Buf1);// Left longitude
boundaryfile.read(Dummy,1);// Comma separator
boundaryfile.read(Buf1,12);
Lon2=arraytofloat1(Buf1);// Right longitude
boundaryfile.read(Dummy,1);// Comma separator
boundaryfile.read(Buf1,7);
for(int teller=0;teller<7;teller++){// Filename
FileNameMap+=Buf1[teller];
}
boundaryfile.read(Dummy,1);
boundaryfile.read(Dummy,1);
}
uint16_t read16(File f) {
uint16_t result;
((uint8_t *)&result)[0] = f.read(); // LSB
((uint8_t *)&result)[1] = f.read(); // MSB
return result;
}
uint32_t read32(File f) {
uint32_t result;
((uint8_t *)&result)[0] = f.read(); // LSB
((uint8_t *)&result)[1] = f.read();
((uint8_t *)&result)[2] = f.read();
((uint8_t *)&result)[3] = f.read(); // MSB
return result;
}
void bmpDraw(char *filename) {
File bmpFile;
uint32_t bmpImageoffset;// Start of image data in file
uint32_t bmpWidth;//
uint32_t bmpHeight;//
uint8_t sdbuffer[BUFFPIXEL]; // pixel in buffer (R+G+B per pixel)
uint16_t lcdbuffer[BUFFPIXEL]; // pixel out buffer (16-bit per pixel)
uint8_t buffidx = sizeof(sdbuffer); // Current position in sdbuffer
boolean flip = true;// BMP is stored bottom-to-top
int row, col;
uint8_t b, hi, lo;
uint32_t pos = 0;
uint8_t lcdidx = 0;
boolean first = true;
uint16_t ColDef;
uint8_t dum,blue,green,red;
if ((bmpFile = SD.open(filename)) == NULL) { // Open requested file on SD card
tft.setCursor(0, 0);
tft.setTextColor(0xFFFF); tft.setTextSize(2);
tft.println("Map not found");
return;
}
if(read16(bmpFile) == 0x4D42) { // 2 BMP signature
(void)read32(bmpFile);// 4 File size
(void)read32(bmpFile); // 4 creator bytes
bmpImageoffset = read32(bmpFile); // 4 Start of image data
(void)read32(bmpFile);// 4 Header size
bmpWidth = read32(bmpFile);// 4 bmp Width
bmpHeight = read32(bmpFile);// 4 bmp Height
if(read16(bmpFile) == 1) { // 2 # planes -- must be '1'
(void)read16(bmpFile);// 2 bits per pixel
(void)read32(bmpFile);// 4 0 = uncompressed
for (int t=0;t<20;t++){
dum=bmpFile.read();
}
for (int t=0;t<255;t++){// start reading color definitions
blue=bmpFile.read();// As we do not want to write to the EEPROM too often
green=bmpFile.read();// we check if the stored colordefinition is changed
red=bmpFile.read();// otherwise we do not write to EEPROM!
dum=bmpFile.read();
ColDef=tft.color565(red,green,blue);// convert to 16 bit color
if(EEPROM.read(t*2) != highByte(ColDef)){// if highbyte differs, write to EEPROM
EEPROM.write(t*2,highByte(ColDef));
}
if(EEPROM.read(t*2+1) != lowByte(ColDef)) {// if lowbyte differs, write to EEPROM
EEPROM.write(t*2+1,lowByte(ColDef));
}
}
int hx=120;
int hy=160;
XPos=(longitude-Lon1)*bmpWidth/(Lon2-Lon1)-hx;
if(XPos<0){
XPos=XPos+hx;
}
if(XPos>bmpWidth){
XPos=XPos-hx;
}
YPos=-1*(latitude-Lat1)*bmpHeight/(Lat1-Lat2)-hy;
if(YPos<0){
YPos=YPos+hy;
}
if(YPos>bmpHeight){
YPos=YPos-hy;
}
tft.setCursor(0, 300);
tft.setTextColor(0xFFFF); tft.setTextSize(2);
tft.print("Map in use: ");
tft.println(filename);
tft.setAddrWindow(0,0,tft.width()-1,tft.height()-22);// Set TFT address window to clipped image bounds
for (row=0; row<tft.height()-21; row++) {
if(flip) // Bitmap is stored bottom-to-top order (normal BMP)
pos = bmpImageoffset + (bmpHeight - 1 - row-YPos) * bmpWidth+XPos;
else // Bitmap is stored top-to-bottom
pos = bmpImageoffset + row * bmpWidth;
if(bmpFile.position() != pos) { // Need seek?
bmpFile.seek(pos);
buffidx = sizeof(sdbuffer); // Force buffer reload
}
for (col=0; col<tft.width(); col++) { // For each column...
if (buffidx >= sizeof(sdbuffer)) { // Time to read more pixel data?
if(lcdidx > 0) {// Push LCD buffer to the display first
tft.pushColors(lcdbuffer, lcdidx, first);
lcdidx = 0;
first = false;
}
bmpFile.read(sdbuffer, sizeof(sdbuffer));
buffidx = 0; // Set index to beginning
}
b = sdbuffer[buffidx++];// read pixelcolor
hi=EEPROM.read(b*2);// read highbyte of 16 bit colordefinition
lo=EEPROM.read(b*2+1);// read lowbyte of 16 bit colordefinition
ColDef=256*hi+lo;// set color
lcdbuffer[lcdidx++] = ColDef;
} // end column
} // end row
if(lcdidx > 0) {// Write any remaining data to LCD
tft.pushColors(lcdbuffer, lcdidx, first);
}
}
}
bmpFile.close();
}
void findbmp(){
SD.begin(SD_CS);
boundaryfile = SD.open("boundkl.dat");
for(int teller=0;teller<304;teller++){
FileNameMap="";
Readline();
if((latitude<=Lat1) && (latitude>=Lat2) && (longitude>=Lon1) && (longitude<=Lon2)){
boundaryfile.close();
return;
}
}
tft.fillScreen(0x0000);
tft.setCursor(10,100);
tft.println("No map found!");
FileNameMap="";
boundaryfile.close();
}
void check(){
findbmp();
FileNameMap.toCharArray(FileNameString, FileNameMap.length() + 1); //Copy the string (+1 is to hold the terminating null char)
bmpDraw(FileNameString);
int16_t x0=100;
int16_t y0=160;
int16_t w0=40;
uint16_t color=0xF0F0;
for(int t=-1;t<2;t++){
tft.drawFastHLine(x0, y0+t, w0, color);
tft.drawFastVLine(x0+20+t,y0-20,w0,color);
}
}
void loop(){
if (Serial.available() > 0) {
// read the incoming byte:
if(gps.encode(Serial.read())){ // encode gps data
gps.f_get_position(&latitude,&longitude,&fix_age); // get latitude and longitude
}
}
if(latitude!=oldlat || longitude!=oldlon){// Only renew if position has changed
check();
oldlat=latitude;
oldlon=longitude;
}
}
ERROR:
Arduino: 1.8.19 (Windows 7), Board: "ESP32S2 Dev Module, FTDI Adapter, Disabled, Disabled, Disabled, UART0, Disabled, Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS), 240MHz (WiFi), QIO, 80MHz, 4MB (32Mb), 921600, None, Disabled"
C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino: In function 'void Readline()':
sketch_jul21d:52:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Buf1,12);
^~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:54:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Dummy,1);// Comma separator
^~~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:55:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Buf1,12);
^~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:57:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Dummy,1);// Comma separator
^~~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:58:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Buf1,12);
^~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:60:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Dummy,1);// Comma separator
^~~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:61:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Buf1,12);
^~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:63:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Dummy,1);// Comma separator
^~~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:64:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Buf1,7);
^~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:68:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Dummy,1);
^~~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
sketch_jul21d:69:21: error: invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
boundaryfile.read(Dummy,1);
^~~~~
In file included from C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD\src/SD.h:17,
from C:\Users\HUA.DELLV-PC\Documents\Arduino\sketch_jul21d\sketch_jul21d.ino:3:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\FS\src/FS.h:60:26: note: initializing argument 1 of 'size_t fs::File::read(uint8_t*, size_t)'
size_t read(uint8_t* buf, size_t size);
~~~~~~~~~^~~
Multiple libraries were found for "SD.h"
Used: C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.6\libraries\SD
Not used: C:\Users\HUA.DELLV-PC\Documents\Arduino\libraries\SD
exit status 1
invalid conversion from 'char*' to 'uint8_t*' {aka 'unsigned char*'} [-fpermissive]
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.