change pin in hwpwm and hid_camerashutter sketches

Author: hathach

changelog.md

@@ -9,6 +9,7 @@
 - Updated for latest Bluefruit LE Connect version with RGBW support
 - Fix #48 SPI & I2C warnings
 - Change board define from ARDUINO_FEATHER52 to ARDUINO_NRF52_FEATHER (ARDUINO_FEATHER52 still exists for backward comaptiable)
+- change pin in hwpwm and hid_camerashutter sketches
 
 ## 0.6.0
 

libraries/Bluefruit52Lib/examples/Hardware/hwpwm/hwpwm.ino

@@ -29,13 +29,25 @@
 #include <Arduino.h>
 
 // Maximum 12 pins can be used for 3 PWM module ( 4 channel each )
+#if defined ARDUINO_NRF52_FEATHER
 int pins[12] = 
 { 
-  PIN_A0 , PIN_A1  , PIN_A2      , PIN_A3, 
-  PIN_A4 , PIN_A5  , PIN_A6      , LED_RED, /* avoid A7 (VBAT)  */
-  27     , LED_BLUE, PIN_WIRE_SDA, PIN_WIRE_SCL
+  A0 , A1      , A2          , A3,
+  A4 , A5      , A6          , LED_RED, /* avoid A7 (VBAT)  */
+  27 , LED_BLUE, PIN_WIRE_SDA, PIN_WIRE_SCL
 };
 
+#elif defined ARDUINO_NRF52_METRO
+
+int pins[12] =
+{
+  D0, D1      , D2, D3,
+  D4, D5      , D6, LED_RED,
+  D7, LED_BLUE, D8, D9
+};
+
+#endif
+
 /**************************************************************************/
 /*!
     @brief  The setup function runs once when reset the board

libraries/Bluefruit52Lib/examples/Peripheral/hid_camerashutter/hid_camerashutter.ino

@@ -22,7 +22,7 @@
 BLEDis bledis;
 BLEHidAdafruit blehid;
 
-#define PIN_SHUTTER   27
+#define PIN_SHUTTER   11
 
 void setup()
 {