Diff: main.cpp

Revision:

0:3e5902ddcd6e

Child:

1:5f15147dfad8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 25 18:47:38 2022 +0000
@@ -0,0 +1,70 @@
+//CÓDIGO 3-B
+
+#include "mbed.h"
+#include "stdlib.h"
+#include <LiquidCrystal_I2C.h>
+#include <iostream>
+#include <string>
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+//Los puertos SDA  y SD8 están referenciados en el archivo LiquidCrystal_I2C.cpp
+// SDA -> PTC9
+// SCL -> PTC8
+//                     DIR   TIPO
+LiquidCrystal_I2C lcd(0x4E, 16, 2);
+
+I2CSlave slave(I2C_SDA, I2C_SCL);
+
+char addr = 0xA0;
+
+
+int main()
+{
+    pc.printf("\x1b[2J");       //CLEAR
+    pc.printf("\033[1;1H");     //Mueve cursor al origen
+
+    char buf[50];
+     
+    // Inicia la LCD
+    lcd.begin();
+    
+    slave.address(addr);
+    slave.frequency (100000);
+    pc.printf("SLAVE ID: %d\r\n", addr);
+    
+    lcd.clear();
+    lcd.print("I'M SLAVE");
+    char msg[] = " *Si* ";
+    while (1) 
+    {
+        int i = slave.receive();
+        
+        switch (i) {
+            case I2CSlave::ReadAddressed:
+                slave.write(msg, strlen(msg) + 1); // Includes null char
+                slave.stop();
+                slave.receive();
+                break;
+            case I2CSlave::WriteGeneral:
+                slave.read(buf, 30);
+                printf("\rRead General: %s\n", buf);
+                slave.stop();
+                slave.receive();
+                break;
+            case I2CSlave::WriteAddressed:
+                slave.read(buf, 30);
+                pc.printf("\rRead Addressed: %s\n", buf);
+                
+                lcd.clear();
+                lcd.print(buf);
+                slave.stop();
+                slave.receive();
+                break;
+        }
+        for (int i = 0; i < 10; i++) {
+            buf[i] = 0;    // Clear buffer
+        }
+       
+    }
+}
\ No newline at end of file