Diff: src/display.cpp

Revision:

5:0466445897b8

Child:

6:9d975a9d2728

diff -r c2cdba0bae47 -r 0466445897b8 src/display.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/display.cpp	Sat Aug 10 08:34:41 2019 +0000
@@ -0,0 +1,74 @@
+#include "TextLCD.h"
+#include "mbed_assert.h"
+#include <string>
+
+TextLCD lcd(D8, D9, D4, D5, D6, D7);    // LCD (RS, E, D4, D5, D6, D7);
+PwmOut backlight(D10);                  // Backlight LCD
+
+/*  
+     ------> x
+   | (0,0)
+   |             (15,1)   
+   v y
+*/
+
+const uint8_t FIRST_LINE=0;
+const uint8_t SECOND_LINE=1;
+
+
+void setCursor(uint8_t x, uint8_t y){
+    MBED_ASSERT(x <= 15);
+    MBED_ASSERT(y <= 1);
+}
+
+void setLine(uint8_t y){
+    MBED_ASSERT( y <= 1 );
+    lcd.locate(0,y); 
+}
+
+void printLine(std::string text){
+    MBED_ASSERT(text.size()<=16);
+    lcd.printf(text.c_str());
+}
+
+void printLine(std::string text, uint8_t line){
+    MBED_ASSERT(text.size()<=16);
+    MBED_ASSERT(line <= 1);
+    lcd.cls();       // Clear LCD
+    lcd.locate(0,line); /* x/y */
+    lcd.printf(text.c_str());
+}
+
+void displayInit(void){
+    // Set backlight period and duty cycle 
+    backlight.period(0.002);
+    backlight = 1;
+    lcd.cls();       // Clear LCD
+    lcd.locate(0,FIRST_LINE); /* x/y */
+    lcd.printf("testBoard");      
+}
+
+void displayKey(char key){
+    lcd.cls();       // Clear LCD
+    lcd.locate(0,FIRST_LINE); /* x/y */
+    lcd.printf("%c", key);
+}
+
+void displayScreen(uint8_t nr){
+    switch(nr){
+        case 0:
+        {
+            lcd.cls();      
+            setLine(FIRST_LINE);
+            printLine("keyboard det.");
+            break;
+        }
+        case 1:
+        {
+            lcd.cls();
+            setLine(SECOND_LINE);
+            printLine("buttons detected");
+            break;
+        }
+    }
+}
\ No newline at end of file