fixed PWM outputs not working after digitalWrite()

Author: ppescher

sam/1.0.3/cores/arduino/wiring_analog.c

@@ -191,7 +191,7 @@ static void TC_SetCMR_ChannelB(Tc *tc, uint32_t chan, uint32_t v)
 }
 
 static uint8_t PWMEnabled = 0;
-static uint8_t pinEnabled[PINS_COUNT];
+/*static*/ uint8_t pinEnabled[PINS_COUNT];
 static uint8_t TCChanEnabled[] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
 
 void analogOutputInit(void) {

sam/1.0.3/cores/arduino/wiring_digital.c

@@ -22,6 +22,8 @@
  extern "C" {
 #endif
 
+extern uint8_t pinEnabled[PINS_COUNT];
+
 extern void pinMode( uint32_t ulPin, uint32_t ulMode )
 {
 	if ( g_APinDescription[ulPin].ulPinType == PIO_NOT_A_PIN )
@@ -39,6 +41,7 @@ extern void pinMode( uint32_t ulPin, uint32_t ulMode )
             	PIO_INPUT,
             	g_APinDescription[ulPin].ulPin,
             	0 ) ;
+            pinEnabled[ulPin] = 0;
         break ;
 
         case INPUT_PULLUP:
@@ -49,6 +52,7 @@ extern void pinMode( uint32_t ulPin, uint32_t ulMode )
             	PIO_INPUT,
             	g_APinDescription[ulPin].ulPin,
             	PIO_PULLUP ) ;
+            pinEnabled[ulPin] = 0;
         break ;
 
         case OUTPUT:
@@ -57,6 +61,7 @@ extern void pinMode( uint32_t ulPin, uint32_t ulMode )
             	PIO_OUTPUT_1,
             	g_APinDescription[ulPin].ulPin,
             	g_APinDescription[ulPin].ulPinConfiguration ) ;
+            pinEnabled[ulPin] = 0;
 
             /* if all pins are output, disable PIO Controller clocking, reduce power consumption */
             if ( g_APinDescription[ulPin].pPort->PIO_OSR == 0xffffffff )