Henrique Rosa / Mbed 2 deprecated LCD_20X4_I2C_testt

Teste LCD I2C 20X4

Dependencies:   TextLCD mbed

main.cpp@2:74d01fef184a, 2022-05-11 (annotated)

Committer:
silviosz
Date:
Wed May 11 10:42:37 2022 +0000
Revision:
2:74d01fef184a
Parent:
1:13cafaed8cff
Child:
3:e87183be497b
TextLCD I2C Test (2022-05-11)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
silviosz 0:0c1de053c3b1 1 // projeto: 2018_I2C_LCD_03
silviosz 0:0c1de053c3b1 2 // testado com PCF8574 em 2018-04-27 << Funcionando Ok
silviosz 0:0c1de053c3b1 3 // Hello World! for the TextLCD
silviosz 0:0c1de053c3b1 4
silviosz 0:0c1de053c3b1 5 #include "mbed.h"
silviosz 0:0c1de053c3b1 6 #include "TextLCD.h"
silviosz 0:0c1de053c3b1 7
silviosz 0:0c1de053c3b1 8 // Host PC Communication channels
silviosz 0:0c1de053c3b1 9 Serial pc(USBTX, USBRX); // tx, rx
silviosz 0:0c1de053c3b1 10
silviosz 0:0c1de053c3b1 11 // I2C Communication
silviosz 1:13cafaed8cff 12 I2C i2c_lcd(I2C_SDA, I2C_SCL); // SDA, SCL >>> NUCLEO: D14,D15
silviosz 0:0c1de053c3b1 13
silviosz 0:0c1de053c3b1 14 // SPI Communication
silviosz 0:0c1de053c3b1 15 //SPI spi_lcd(D14, NC, D15); // MOSI, MISO, SCLK
silviosz 0:0c1de053c3b1 16
silviosz 0:0c1de053c3b1 17 //4-bit bus
silviosz 0:0c1de053c3b1 18 //TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD40x2); // RS, E, D4-D7
silviosz 0:0c1de053c3b1 19 //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780
silviosz 0:0c1de053c3b1 20
silviosz 0:0c1de053c3b1 21 //I2C Portexpander PCF8574
silviosz 2:74d01fef184a 22 TextLCD_I2C lcd(&i2c_lcd, 0x7e, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type Original = 0x42, Usando I2C scanner = 0x3F
silviosz 2:74d01fef184a 23 //TextLCD_I2C lcd(&i2c_lcd, 0x7e, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 addr, LCD Type, Ctrl Type
silviosz 0:0c1de053c3b1 24
silviosz 0:0c1de053c3b1 25 //I2C Portexpander MCP23008
silviosz 0:0c1de053c3b1 26 //TextLCD_I2C lcd(&i2c_lcd, MCP23008_SA0, TextLCD::LCD16x3G, TextLCD::ST7036_3V3); // I2C bus, MCP23008 Slaveaddress, LCD Type, LCDTCtrl=ST7036
silviosz 0:0c1de053c3b1 27
silviosz 0:0c1de053c3b1 28 //SPI Portexpander SN74595
silviosz 0:0c1de053c3b1 29 //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD24x4D; TextLCD::KS0078); // SPI bus, CS pin, LCD Type
silviosz 0:0c1de053c3b1 30 //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x2); // SPI bus, CS pin, LCD Type
silviosz 0:0c1de053c3b1 31 //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, CS pin, LCD Type
silviosz 0:0c1de053c3b1 32
silviosz 0:0c1de053c3b1 33 //Native I2C
silviosz 0:0c1de053c3b1 34 //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=ST7032_3V3
silviosz 0:0c1de053c3b1 35 //TextLCD_I2C_N lcd(&i2c_lcd, PCF2116_SA0, TextLCD::LCD12x4D, NC, TextLCD::PCF2116_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=PCF2116_3V3
silviosz 0:0c1de053c3b1 36 //TextLCD_I2C_N lcd(&i2c_lcd, PCF2116_SA0, TextLCD::LCD24x2, NC, TextLCD::PCF2116_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=PCF2116_3V3
silviosz 0:0c1de053c3b1 37 //TextLCD_I2C_N lcd(&i2c_lcd, SSD1803_SA1, TextLCD::LCD20x4D, NC, TextLCD::SSD1803_3V3); // I2C bus, slaveaddress, LCDType=LCD16x2, BL=NC, LCDTCtrl=SSD1803A
silviosz 0:0c1de053c3b1 38
silviosz 0:0c1de053c3b1 39 //Native SPI 4 wire, 8 bits
silviosz 0:0c1de053c3b1 40 //TextLCD_SPI_N lcd(&spi_lcd, p8, p9); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3
silviosz 0:0c1de053c3b1 41
silviosz 0:0c1de053c3b1 42 //Native SPI 3 wire, 10bits
silviosz 0:0c1de053c3b1 43 //TextLCD_SPI_N_3_10 lcd(&spi_lcd, p8, TextLCD::LCD16x2, NC, TextLCD::WS0010); // SPI bus, CS, LCDType=LCD16x2, BL=NC, LCDTCtrl=WS0010
silviosz 0:0c1de053c3b1 44 //TextLCD_SPI_N lcd(&spi_lcd, p8, p9, TextLCD::LCD16x3G, NC, TextLCD::ST7036_3V3); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7036
silviosz 0:0c1de053c3b1 45
silviosz 0:0c1de053c3b1 46 //Native SPI 3 wire, 24 bits, SSD1803A
silviosz 0:0c1de053c3b1 47 //TextLCD_SPI_N_3_24 lcd(&spi_lcd, p8, TextLCD::LCD20x4D, NC, TextLCD::SSD1803_3V3); // SPI bus, CS pin, LCDType=LCD20x4, BL=NC, LCDTCtrl=SSD1803A
silviosz 0:0c1de053c3b1 48
silviosz 0:0c1de053c3b1 49 int main() {
silviosz 0:0c1de053c3b1 50 pc.printf("LCD Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());
silviosz 0:0c1de053c3b1 51
silviosz 0:0c1de053c3b1 52 for (int row=0; row<lcd.rows(); row++) {
silviosz 0:0c1de053c3b1 53 int col=0;
silviosz 0:0c1de053c3b1 54
silviosz 0:0c1de053c3b1 55 pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
silviosz 0:0c1de053c3b1 56 // lcd.putc('-');
silviosz 0:0c1de053c3b1 57 lcd.putc('0' + row);
silviosz 0:0c1de053c3b1 58
silviosz 0:0c1de053c3b1 59 for (col=1; col<lcd.columns()-1; col++) {
silviosz 0:0c1de053c3b1 60 lcd.putc('*');
silviosz 0:0c1de053c3b1 61 }
silviosz 0:0c1de053c3b1 62
silviosz 0:0c1de053c3b1 63 pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
silviosz 0:0c1de053c3b1 64 lcd.putc('+');
silviosz 0:0c1de053c3b1 65 }
silviosz 0:0c1de053c3b1 66
silviosz 0:0c1de053c3b1 67 // Show cursor as blinking character
silviosz 0:0c1de053c3b1 68 lcd.setCursor(TextLCD::CurOff_BlkOn);
silviosz 2:74d01fef184a 69 lcd.setBacklight(TextLCD::LightOn);
silviosz 2:74d01fef184a 70
silviosz 0:0c1de053c3b1 71 // Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780.
silviosz 0:0c1de053c3b1 72 // They are defined by a 5x7 bitpattern.
silviosz 1:13cafaed8cff 73 /*
silviosz 0:0c1de053c3b1 74 lcd.setUDC(0, (char *) udc_0); // Show |>
silviosz 0:0c1de053c3b1 75 lcd.putc(0);
silviosz 0:0c1de053c3b1 76 lcd.setUDC(1, (char *) udc_1); // Show <|
silviosz 0:0c1de053c3b1 77 lcd.putc(1);
silviosz 0:0c1de053c3b1 78 lcd.setUDC(2, (char *) udc_2);
silviosz 0:0c1de053c3b1 79 lcd.putc(2);
silviosz 0:0c1de053c3b1 80 lcd.setUDC(3, (char *) udc_3);
silviosz 0:0c1de053c3b1 81 lcd.putc(3);
silviosz 0:0c1de053c3b1 82 lcd.setUDC(4, (char *) udc_4);
silviosz 0:0c1de053c3b1 83 lcd.putc(4);
silviosz 0:0c1de053c3b1 84 lcd.setUDC(5, (char *) udc_5);
silviosz 0:0c1de053c3b1 85 lcd.putc(5);
silviosz 0:0c1de053c3b1 86 lcd.setUDC(6, (char *) udc_6);
silviosz 0:0c1de053c3b1 87 lcd.putc(6);
silviosz 0:0c1de053c3b1 88 lcd.setUDC(7, (char *) udc_7);
silviosz 0:0c1de053c3b1 89 lcd.putc(7);
silviosz 0:0c1de053c3b1 90 //lcd.setBacklight(TextLCD::LightOn);
silviosz 1:13cafaed8cff 91 */
silviosz 0:0c1de053c3b1 92 }