Daniel Lee / Mbed OS TextLCD_FC113

Initial setup for FC-113 controller of TextLCD(1602A)

Dependencies:   TextLCD

This example is a simple use case for the user of Text LCD with the FC-113 controller, based on Mbed OS 5.

Note that PCF8574T has Mbed base addresses 0x40 ~ 0x4E, while PCF8574AT has base addresses 0x70 ~ 0x7E.

I used 0x4E for Text LCD with the FC-113 controller.

/media/uploads/Daniel_Lee/screen_shot_2019-12-24_at_2.37.38_pm.png /media/uploads/Daniel_Lee/textlcd.png

If you need to fine-tune the Text LCD or using another type the TextLCD, please see here.

main.cpp@7:9fcc3c0acd50, 2019-12-24 (annotated)

Committer:
Daniel_Lee
Date:
Tue Dec 24 05:30:57 2019 +0000
Revision:
7:9fcc3c0acd50
Parent:
2:b60cb847489c 
Initialized for FC-113 controller of TextLCD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:005629fe3609 1 #include "mbed.h"
Daniel_Lee 7:9fcc3c0acd50 2 #include "TextLCD.h"
Daniel_Lee 7:9fcc3c0acd50 3
Daniel_Lee 7:9fcc3c0acd50 4 // I2C Communication
Daniel_Lee 7:9fcc3c0acd50 5 I2C i2c_lcd(A4,A5); // SDA, SCL - I2C3
Daniel_Lee 7:9fcc3c0acd50 6
Daniel_Lee 7:9fcc3c0acd50 7 // SPI Communication
Daniel_Lee 7:9fcc3c0acd50 8 //SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK
screamer 0:005629fe3609 9
Daniel_Lee 7:9fcc3c0acd50 10 //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780
Daniel_Lee 7:9fcc3c0acd50 11 //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, 74595 expander, CS pin, LCD Type
Daniel_Lee 7:9fcc3c0acd50 12 //TextLCD_I2C lcd(&i2c_lcd, 0x40, TextLCD::LCD16x2); // I2C bus, PCF8574 Slaveaddress, LCD Type
Daniel_Lee 7:9fcc3c0acd50 13 TextLCD_I2C lcd(&i2c_lcd, 0x4E); // I2C bus, PCF8574(FC-113) Slaveaddress, LCD Type(1602A)
Daniel_Lee 7:9fcc3c0acd50 14
Daniel_Lee 7:9fcc3c0acd50 15 //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type
Daniel_Lee 7:9fcc3c0acd50 16 //TextLCD_SPI_N lcd(&spi_lcd, p8, p9); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3
Daniel_Lee 7:9fcc3c0acd50 17 //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=ST7032_3V3
screamer 0:005629fe3609 18
Daniel_Lee 7:9fcc3c0acd50 19 int main()
Daniel_Lee 7:9fcc3c0acd50 20 {
Daniel_Lee 7:9fcc3c0acd50 21 #if 0
Daniel_Lee 7:9fcc3c0acd50 22 pc.printf("LCD Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());
Daniel_Lee 7:9fcc3c0acd50 23
Daniel_Lee 7:9fcc3c0acd50 24 for (int row=0; row<lcd.rows(); row++) {
Daniel_Lee 7:9fcc3c0acd50 25 int col=0;
Daniel_Lee 7:9fcc3c0acd50 26
Daniel_Lee 7:9fcc3c0acd50 27 pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
Daniel_Lee 7:9fcc3c0acd50 28 // lcd.putc('-');
Daniel_Lee 7:9fcc3c0acd50 29 lcd.putc('0' + row);
Daniel_Lee 7:9fcc3c0acd50 30
Daniel_Lee 7:9fcc3c0acd50 31 for (col=1; col<lcd.columns()-1; col++) {
Daniel_Lee 7:9fcc3c0acd50 32 lcd.putc('*');
Daniel_Lee 7:9fcc3c0acd50 33 }
Daniel_Lee 7:9fcc3c0acd50 34
Daniel_Lee 7:9fcc3c0acd50 35 pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
Daniel_Lee 7:9fcc3c0acd50 36 lcd.putc('+');
Daniel_Lee 7:9fcc3c0acd50 37
Daniel_Lee 7:9fcc3c0acd50 38 }
Daniel_Lee 7:9fcc3c0acd50 39
Daniel_Lee 7:9fcc3c0acd50 40 // Show cursor as blinking character
Daniel_Lee 7:9fcc3c0acd50 41 lcd.setCursor(TextLCD::CurOff_BlkOn);
Daniel_Lee 7:9fcc3c0acd50 42
Daniel_Lee 7:9fcc3c0acd50 43 // Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780.
Daniel_Lee 7:9fcc3c0acd50 44 // They are defined by a 5x7 bitpattern.
Daniel_Lee 7:9fcc3c0acd50 45 lcd.setUDC(0, (char *) udc_0); // Show |>
Daniel_Lee 7:9fcc3c0acd50 46 lcd.putc(0);
Daniel_Lee 7:9fcc3c0acd50 47 lcd.setUDC(1, (char *) udc_1); // Show <|
Daniel_Lee 7:9fcc3c0acd50 48 lcd.putc(1);
Daniel_Lee 7:9fcc3c0acd50 49 #else
Daniel_Lee 7:9fcc3c0acd50 50 lcd.cls ();
Daniel_Lee 7:9fcc3c0acd50 51 lcd.setBacklight (TextLCD :: LightOn);
Daniel_Lee 7:9fcc3c0acd50 52 lcd.printf ("LCD check - online compile");
Daniel_Lee 7:9fcc3c0acd50 53 lcd.setAddress (0, 1);
Daniel_Lee 7:9fcc3c0acd50 54 lcd.printf ("Hello MBED\n");
Daniel_Lee 7:9fcc3c0acd50 55 #endif
Daniel_Lee 7:9fcc3c0acd50 56 }