Diff: Adafruit_32x8matrix.cpp

Revision:

0:acc3c726ffe3

Child:

1:ed6764fbda54

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_32x8matrix.cpp	Wed Jun 28 19:32:40 2017 +0000
@@ -0,0 +1,66 @@
+#include "mbed.h"
+
+#include "Adafruit_32x8matrix.h"
+
+Adafruit_32x8matrix::Adafruit_32x8matrix(I2C *i2c, uint8_t i2c_addr, uint8_t i2c_addr2, uint8_t rotation, uint8_t rotation2, uint8_t brightness) 
+
+    : _i2c(*i2c), _matrix(&_i2c), _matrix2(&_i2c), _i2c_addr(i2c_addr), _i2c_addr2(i2c_addr2), _rotation(rotation), _rotation2(rotation2), _brightness(brightness)  
+
+{
+              
+    _matrix2.begin(_i2c_addr2);
+    _matrix2.setBrightness(_brightness);
+    _matrix2.setRotation(_rotation2);
+    _matrix2.clear();
+    _matrix2.writeDisplay();
+        
+    _matrix.begin(_i2c_addr);
+    _matrix.setBrightness(_brightness);
+    _matrix.setRotation(_rotation);                   
+    _matrix.clear();
+    _matrix.writeDisplay();
+
+
+}
+
+void Adafruit_32x8matrix::scrollText(char * buffer, uint8_t buf_len, uint8_t speed)
+{
+    
+    
+    // code inspired by LOLShield library 
+    int xoff=31;// set offset to the right end of the screen - must be signed
+    for(int i=0; i< (31 + buf_len*6 +10); i++){ //scrolling loop
+         for(int j=0; j<buf_len; j++){ //loop over all of the chars in the text
+            if(xoff > 15){
+                _matrix2.drawChar(xoff + j*6 - 16, 0, buffer[j], 1, 0, 1);
+            }else
+            {
+                _matrix.drawChar(xoff + j*6, 0, buffer[j], 1, 0, 1);
+                _matrix2.drawChar(xoff + j*6 - 16, 0, buffer[j], 1, 0, 1);
+            }    
+        }
+        xoff--; // decrement x offset
+                
+        _matrix.writeDisplay();
+        _matrix2.writeDisplay();
+        Thread::wait(1000/speed);
+        _matrix.clear();
+        _matrix2.clear();
+    }    
+}    
+
+
+void Adafruit_32x8matrix::showText(char * buffer, uint8_t buf_len, uint8_t speed)
+{
+     for(int j=0; j<buf_len; j++){ //loop over all of the chars in the text
+        _matrix.drawChar(j*6, 0, buffer[j], 1, 0, 1);
+        _matrix2.drawChar(j*6 - 16, 0, buffer[j], 1, 0, 1);
+    }
+    _matrix.writeDisplay();
+    _matrix2.writeDisplay();
+    Thread::wait(1000/speed);
+    _matrix.clear();
+    _matrix2.clear();
+ 
+} 
+   
\ No newline at end of file