Revision 6:8b78e3cddd78, committed 2020-02-12

Comitter:

lscordovar

Date:

Wed Feb 12 21:51:46 2020 +0000

Parent:

5:2e4e5085d597

Commit message:

Ejemplos de uso de la libreria LCD pro I2C

Changed in this revision

--- a/TextLCD.lib	Wed Feb 12 21:20:37 2020 +0000
+++ b/TextLCD.lib	Wed Feb 12 21:51:46 2020 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/wim/code/TextLCD/#24850e751517
+https://os.mbed.com/users/lscordovar/code/TextLCD/#baf112053ac8

--- 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);