Henrique Rosa
/
LCD_20X4_I2C_testt
Teste LCD I2C 20X4
Revision 4:ac48711f123b, committed 22 months ago
- Comitter:
- henriquer
- Date:
- Fri Nov 18 18:00:26 2022 +0000
- Parent:
- 3:e87183be497b
- Commit message:
- Teste LCD I2C 20X4
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r e87183be497b -r ac48711f123b main.cpp --- a/main.cpp Fri Nov 18 13:51:29 2022 +0000 +++ b/main.cpp Fri Nov 18 18:00:26 2022 +0000 @@ -19,7 +19,7 @@ //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780 //I2C Portexpander PCF8574 -TextLCD_I2C lcd(&i2c_lcd, 0xbf, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type Original = 0x42, Usando I2C scanner = 0x3F +TextLCD_I2C lcd(&i2c_lcd, 0x7E, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type Original = 0x42, Usando I2C scanner = 0x3F //TextLCD_I2C lcd(&i2c_lcd, 0x7e, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 addr, LCD Type, Ctrl Type //I2C Portexpander MCP23008 @@ -49,46 +49,33 @@ int main() { pc.printf("LCD Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows()); - for (int row=0; row<lcd.rows(); row++) { - int col=0; + // for (int row=0; row<lcd.rows(); row++) { + // int col=0; - pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row)); + // pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row)); // lcd.putc('-'); - lcd.putc('0' + row); + //lcd.putc('l' + row); - for (col=1; col<lcd.columns()-1; col++) { - lcd.putc('*'); - } + // for (col=1; col<lcd.columns()-1; col++) { + lcd.locate(2,0); + lcd.printf("TESTE LCD 20X4"); + + lcd.locate(4,2); + lcd.printf("HENRIQUE"); + //} - pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row)); - lcd.putc('+'); - } + /// pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row)); + // lcd.putc('+'); + // } // Show cursor as blinking character + + + lcd.setCursor(TextLCD::CurOff_BlkOn); lcd.setBacklight(TextLCD::LightOn); //lcd.setUDC(0, (char *) udc_AC); // Show |> - + //lcd.putc('LTH'); -// Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780. -// They are defined by a 5x7 bitpattern. -/* - lcd.setUDC(0, (char *) udc_0); // Show |> - lcd.putc(0); - lcd.setUDC(1, (char *) udc_1); // Show <| - lcd.putc(1); - lcd.setUDC(2, (char *) udc_2); - lcd.putc(2); - lcd.setUDC(3, (char *) udc_3); - lcd.putc(3); - lcd.setUDC(4, (char *) udc_4); - lcd.putc(4); - lcd.setUDC(5, (char *) udc_5); - lcd.putc(5); - lcd.setUDC(6, (char *) udc_6); - lcd.putc(6); - lcd.setUDC(7, (char *) udc_7); - lcd.putc(7); - //lcd.setBacklight(TextLCD::LightOn); - */ + } \ No newline at end of file