Revision 10:b807470a8b09, committed 2011-06-29

Comitter:

d_worrall

Date:

Wed Jun 29 13:42:04 2011 +0000

Parent:

9:48985b738e5a

Child:

11:50d396bf0207

Commit message:

version9

Changed in this revision

--- a/PCA9635.cpp	Wed Jun 29 13:39:28 2011 +0000
+++ b/PCA9635.cpp	Wed Jun 29 13:42:04 2011 +0000
@@ -117,6 +117,27 @@
         m_i2c.write(m_addr, cmd, 2);
     }
 }
+//Brightness control for single or all LEDs
+void PCA9635::brightness(char led, char value, int address)
+{
+    setAddress(address);
+    
+    if(led == ALL)
+    {
+        for(char allLeds=0x02; allLeds<0x12; allLeds++)
+        {
+            cmd[0] = allLeds;           
+            cmd[1] = value; 
+            m_i2c.write(m_addr, cmd, 2);
+        }
+    }
+    else
+    {
+        cmd[0] = led + 2;           
+        cmd[1] = value; 
+        m_i2c.write(m_addr, cmd, 2);
+    }
+}
 
 
 

--- a/PCA9635.h	Wed Jun 29 13:39:28 2011 +0000
+++ b/PCA9635.h	Wed Jun 29 13:42:04 2011 +0000
@@ -94,6 +94,13 @@
         * @param value Brightness of LED, 0x00 < value < 0xFF
         */
         void brightness(char led, char value);
+        /** Define LED brightness
+        *
+        * @param led LED pin coordinates
+        * @param value Brightness of LED, 0x00 < value < 0xFF
+        * @param address Display address
+        */
+        void brightness(char led, char value, int address);
         /** Reset chip 
         *
         */