Diff: main.cpp

Revision:

2:0cc3bba73370

Parent:

0:d65648cc3923

Child:

5:33de84f8a660

--- a/main.cpp	Thu Mar 19 10:50:17 2015 +0000
+++ b/main.cpp	Thu Jun 16 23:01:19 2022 +0000
@@ -3,10 +3,17 @@
 #include "PCA9955A.h"
 PCA9955A    led_cntlr( p28, p27, 0x02 );    //  SDA, SCL, Slave_address(option)
 
-#define     GRADATION_PERIOD    6.0
+#define GRADATION_PERIOD            6.0
+
+#define MANUAL_BLINK_PERIOD         0.1
+#define MANUAL_BLINK_ON_DURATION    0.03
 
 int main()
 {
+    //  Set current ourput maximum (1.0 = 100%)
+    led_cntlr.current( ALLPORTS, 1.0 );
+    
+    //  Gradation control grouping
     led_cntlr.gradation_group_setting( 0,  1 ); //  Port  1 is assigned to group 0
     led_cntlr.gradation_group_setting( 0,  5 ); //  Port  5 is assigned to group 0
     led_cntlr.gradation_group_setting( 0,  9 ); //  Port  9 is assigned to group 0
@@ -47,15 +54,14 @@
     //
     //  Next while loop perform manual control for Rest of ports (0, 4, 8 and 12).
     //  You will see the operation for manual controll ports will be stopped if the I2C line is removed.
-    //  But it continues the gradation control if only power supply is available
+    //  But it continues the gradation control while power supply is available
     //
     while(1) {
-        for ( int i = 1; i <= 100; i++ ) {
-            led_cntlr.pwm(  0, (float)i / 100.0 );
-            led_cntlr.pwm(  4, (float)i / 100.0 );
-            led_cntlr.pwm(  8, (float)i / 100.0 );
-            led_cntlr.pwm( 12, (float)i / 100.0 );
-            wait( 0.01 );
+        for ( int i = 0; i <= 12; i += 4 ) {
+            led_cntlr.pwm(  i, 1.0 );
+            wait( MANUAL_BLINK_ON_DURATION );
+            led_cntlr.pwm(  i, 0.0 );
+            wait( MANUAL_BLINK_PERIOD - MANUAL_BLINK_ON_DURATION );
         }
     }
-}
\ No newline at end of file
+}