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Manejo de pantallas de texto con varias interfaces de comunicación
Diff: main.cpp
- Revision:
- 6:8b78e3cddd78
- Parent:
- 5:2e4e5085d597
diff -r 2e4e5085d597 -r 8b78e3cddd78 main.cpp --- a/main.cpp Wed Feb 12 21:20:37 2020 +0000 +++ b/main.cpp Wed Feb 12 21:51:46 2020 +0000 @@ -1,26 +1,35 @@ -/* Hello World! for the TextLCD Enhanced Library*/ - #include "mbed.h" #include "TextLCD.h" -// Host PC Communication channels Serial pc(PA_2,PA_3); // tx, rx +I2C i2c_lcd(PB_9, PB_8); // SDA, SCL +TextLCD_I2C lcd(&i2c_lcd, 0x4E, TextLCD::LCD20x4); -// I2C Communication -I2C i2c_lcd(PB_9, PB_8); // SDA, SCL -//I2C i2c_lcd(p28,p27); // SDA, SCL +/* +Para usar su LCD con el PCF8574 o el PCF8574A deben cambiar en la linea 73 del +archivo TextLCD_Config.h que esta en la libreria adjunta esto: + #define DFROBOT 0 +Por esto: + #define DFROBOT 1 + +Pueden probar tambien estas otras opciones, me funciona bien casi para todas +excepto las que tienen un comentario con un //no -// SPI Communication -//SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK +#define DEFAULT 0//no +#define ADAFRUIT 0//no +#define DFROBOT 0 +#define LCM1602 0 +#define YWROBOT 0 +#define GYLCD 0//no +#define MJKDZ 0//no +#define SYDZ 1 +#define WIDEHK 0//no +#define LCDPLUG 0//no +*/ -// LCD instantiation -//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x2); // 4bit bus: rs, e, d4-d7 -TextLCD_I2C lcd(&i2c_lcd, 0x4E, TextLCD::LCD20x4); // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type -//TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type, Ctrl Type -//TextLCD_I2C lcd(&spi_lcd, p8, TextLCD::LCD24x4D); // I2C exp: SPI bus, CS pin, LCD Type -//TextLCD_SPI_N lcd(&spi_lcd, p8, p9, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // SPI native: SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032 -//TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C native: I2C bus, slaveaddress, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032 =Ok -//TextLCD_I2C_N lcd(&i2c_lcd, SSD1803_SA1, TextLCD::LCD20x4D, NC, TextLCD::SSD1803_3V3); // I2C native: I2C bus, slaveaddress, LCDType=LCD20x4D, BL=NC, LCDTCtrl=SSD1803 =Ok +//Para el ejemplo presente use #define SYDZ 1 +//esto debe ir solo en el archivo mencionado + int main() { @@ -72,10 +81,14 @@ lcd.setUDC(1, (char *) udc_1); // Show <| lcd.putc(1); - pc.printf("Bye now\r\n"); + pc.printf("Bye now in original example \r\n"); wait(1); + + /*****************************************************************************/ + pc.printf("From here is a new example for Master classes in UPS Guayaquil \r\n"); + // Clear the screen and locate to 0,0 lcd.cls(); @@ -92,32 +105,48 @@ int col = 0; int row = 0; lcd.locate(col,row); + lcd.printf("Iniciando..."); wait(1); + //No Show cursor as blinking character + lcd.setCursor(TextLCD::CurOff_BlkOff); + // Write a character to the LCD "ARROW" int c = 1; - for (int row=0; row<lcd.rows(); row++) { - lcd.putc(c);wait(0.1); + lcd.cls(); + lcd.locate(0,0); + for (int row=0; row<4; row++) { + lcd.putc(c); + wait(0.01); - for (col=1; col<lcd.columns()-1; col++) { - lcd.putc(c);wait(0.1); + for (col=0; col<19; col++) { + lcd.putc(c); + wait(0.01); } } wait(2); // Write a raw string to the LCD - const char* text = "Hola text"; + const char* text = "Hola a todos!!"; lcd.cls(); - lcd.locate(1,1); + lcd.locate(3,0); lcd.printf(text); wait(1); // Write a raw string to the LCD *-> pointer* - const char* msg = "Hello printf"; + + lcd.locate(0,1); + lcd.printf("/*----------------*/"); + + const char* msg = "Mensaje con punteros"; int string_size = strlen (msg); - lcd.setCursor(TextLCD::CurOff_BlkOff); - lcd.locate(1,2); - lcd.printf("msg: %.*s", string_size, msg); + lcd.locate(0,2); + lcd.printf("%.*s", string_size, msg); + + lcd.locate(0,3); + const char* msg2 = "\"TXT: %.*s\",size,msg"; + int string_size2 = strlen (msg2); + lcd.printf("%.*s", string_size2, msg2); wait(1);