Merge pull request #26 from pennam/pwm_core

Use new HRTIM functionality included in the core

Author: aentinger

examples/analogWrite/analogWrite.ino

@@ -0,0 +1,38 @@
+/*
+  Portenta Breakout - analogWrite
+
+  The sketch shows how to use analogWrite API of the Portenta Breakout.
+
+  The circuit:
+   - Portenta H7
+   - Portenta Breakout
+
+  This example code is in the public domain.
+*/
+#include "Arduino_PortentaBreakout.h"
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+  
+  //Default write resolution is 8bits
+  Breakout.analogWriteResolution(8);
+
+  //PWM0 and PWM3 are using HRTIM peripheral and minimum frequency is 760Hz
+  Breakout.analogWrite(PWM0, 25);
+  Breakout.analogWrite(PWM1, 50);
+  Breakout.analogWrite(PWM2, 75);
+  Breakout.analogWrite(PWM3, 100);
+  // PWM4 and PWM8 are sharing the same timer channel therefore is not possible 
+  // to use both outputs at the same time
+  Breakout.analogWrite(PWM4, 125);
+  Breakout.analogWrite(PWM5, 150);
+  Breakout.analogWrite(PWM6, 175);
+  Breakout.analogWrite(PWM7, 200);
+  //Breakout.analogWrite(PWM8, 225);
+  Breakout.analogWrite(PWM9, 250);
+}
+
+void loop() {
+    delay(100);
+}

src/Arduino_PortentaBreakout.h

@@ -34,7 +34,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 #include <PDM.h>
 #include <Portenta_Ethernet.h>
 #include <Ethernet.h>
-#include "utility/Analog/Analog.h"
 #include "utility/RTC/RTC.h"
 
 #define LAST_ARDUINO_PIN_NUMBER LEDB + 1
@@ -198,12 +197,12 @@ class BreakoutCarrierClass {
     }
     void analogWrite(breakoutPin pin, int val) {
         if (pin > -1) {
-            BreakoutPWM::analogWrite((int)pin, val);
+            ::analogWrite((int)pin, val);
         }
         return;
     }
     void analogWriteResolution(int bits) {
-        BreakoutPWM::analogWriteResolution(bits);
+        ::analogWriteResolution(bits);
     }
     int analogRead(breakoutPin pin) {
         if (pin > -1) {