Revision 3:f69f4e2c35b6, committed 2017-11-07

Comitter:

mcm

Date:

Tue Nov 07 17:09:04 2017 +0000

Parent:

2:fa75aff130cc

Commit message:

The library was completed and tested, it works as expected.

Changed in this revision

diff -r fa75aff130cc -r f69f4e2c35b6 PCA9685.h
--- a/PCA9685.h	Tue Nov 07 14:52:15 2017 +0000
+++ b/PCA9685.h	Tue Nov 07 17:09:04 2017 +0000
@@ -22,7 +22,71 @@
 /**
     Example:
 
-[todo]
+#include "mbed.h"
+#include "PCA9685.h"
+
+PCA9685 myPWMSensor       ( I2C_SDA, I2C_SCL, PCA9685::PCA9685_ADDRESS_0, 400000 );
+
+
+Ticker     newPWMOutput;
+DigitalOut myled(LED1);
+
+PCA9685::PCA9685_status_t  aux;
+uint8_t                    myState = 0;
+
+
+void changeDATA ( void )
+{
+    myState++;
+}
+
+
+int main()
+{
+    // Reset the device
+    aux = myPWMSensor.PCA9685_SoftReset ();
+    wait_us ( 5 );
+
+    // Configure the PWM frequency and wake up the device
+    aux = myPWMSensor.PCA9685_SetPWM_Freq ( 1000 );                             // PWM frequency: 1kHz
+    aux = myPWMSensor.PCA9685_SetMode     ( PCA9685::MODE1_SLEEP_DISABLED );
+
+
+    newPWMOutput.attach( &changeDATA, 1 );                                      // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
+
+    // Let the callbacks take care of everything
+    while(1) {
+        sleep();
+
+        myled = 1;
+
+        switch ( myState ) {
+            default:
+            case 0:
+                // All LEDs: Delay Time = 1% | PWM duty cycle = 99%
+                aux = myPWMSensor.PCA9685_SetPWM_DutyCycle_AllLEDs ( 0, 99 );
+
+                myState                      =   1;
+                break;
+
+            case 1:
+                // All LEDs: Delay Time = 100% | PWM duty cycle = 1%
+                aux = myPWMSensor.PCA9685_SetPWM_DutyCycle_AllLEDs ( 100, 1 );
+
+                myState                      =   2;
+                break;
+
+            case 2:
+                // LED1: Delay Time = 10% | PWM duty cycle = 30%
+                aux = myPWMSensor.PCA9685_SetPWM_DutyCycle ( PCA9685::PCA9685_LED1, 10, 30 );
+
+                myState                      =   0;
+                break;
+        }
+
+        myled = 0;
+    }
+}
 */
 
 
@@ -157,7 +221,7 @@
       */
     typedef enum {
         GENERAL_CALL_ADDRESS  =   ( 0x00 << 1 ),           /*!<  Software reset                                                */
-        SWRST                 =   ( 0x06 << 1 )            /*!<  Software reset                                                */
+        SWRST                 =   0x06                     /*!<  Software reset                                                */
     } PCA9685_software_reset_t;