Dmitry Bursov / PCA9685_

Library for interfacing with the NXP PCA9685 PWM controller over an I2C connection. Designed with the Adafruit breakout board (of the same name) in mind.

Files at this revision

API Documentation at this revision

Revision 5:d44f88fa27a1, committed 2019-06-22

Comitter:
dimavb
Date:
Sat Jun 22 17:24:38 2019 +0000
Parent:
4:3bcda7deb098
Commit message:
init

Changed in this revision

PCA9685.cpp Show annotated file Show diff for this revision Revisions of this file
PCA9685.h Show annotated file Show diff for this revision Revisions of this file 
--- a/PCA9685.cpp	Tue May 10 12:14:55 2016 +0000
+++ b/PCA9685.cpp	Sat Jun 22 17:24:38 2019 +0000
@@ -7,7 +7,7 @@
 #include "definitions.h"
 
 
-PCA9685::PCA9685(uint8_t i2c_address, I2C i2c_object, float frequency) :
+PCA9685::PCA9685(uint8_t i2c_address, I2C *i2c_object, float frequency) :
 
     i2c_addr(i2c_address),
     freq(frequency),
@@ -68,7 +68,7 @@
     msg[3] = count_off;
     msg[4] = count_off >> 8;
 
-    i2c.write(i2c_addr, msg, 5);
+    i2c->write(i2c_addr, msg, 5);
 
 }
 
@@ -81,7 +81,7 @@
     msg[1] = count_off;
     msg[2] = count_off >> 8;
 
-    i2c.write(i2c_addr,msg,3);
+    i2c->write(i2c_addr,msg,3);
 
 }
 
@@ -123,7 +123,7 @@
 void PCA9685::update(void)
 {
 
-    i2c.stop();
+    i2c->stop();
 
 }
 
@@ -135,7 +135,7 @@
     char send[2]; //Store the address and data in an array
     send[0] = reg;
     send[1] = msg;
-    i2c.write(i2c_addr, send, 2);
+    i2c->write(i2c_addr, send, 2);
 
 }
 
@@ -144,9 +144,9 @@
 
     char send[1] ;
     send[0] = reg;
-    i2c.write(i2c_addr, send, 1);
+    i2c->write(i2c_addr, send, 1);
     char recieve[1];
-    i2c.read(i2c_addr, recieve, 1);
+    i2c->read(i2c_addr, recieve, 1);
     return recieve[0];
 
 }

--- a/PCA9685.h	Tue May 10 12:14:55 2016 +0000
+++ b/PCA9685.h	Sat Jun 22 17:24:38 2019 +0000
@@ -8,7 +8,7 @@
 class PCA9685 {
     
     public:
-        PCA9685(uint8_t i2c_addr, I2C i2c_object, float frequency);
+        PCA9685(uint8_t i2c_addr, I2C *i2c_object, float frequency);
         void init(void);
         void set_pwm_output(int pwm_output, uint16_t count_on, uint16_t count_off);
         void set_pwm_output_on_0(int pwm_output, uint16_t count_off);
@@ -26,7 +26,7 @@
     private:
         int i2c_addr;
         float freq;
-        I2C i2c;
+        I2C *i2c;
 };        
 
 #endif
\ No newline at end of file