Refactored auto-reset methods.

Author: cmaglie

hardware/arduino/sam/cores/arduino/Reset.cpp

@@ -19,6 +19,10 @@
 #include <Arduino.h>
 #include "Reset.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 __attribute__ ((long_call, section (".ramfunc")))
 void banzai() {
 	// Disable all interrupts
@@ -51,20 +55,24 @@ void banzai() {
 	while (true);
 }
 
-void ResetClass::initiate(int _ticks) {
+static int ticks = -1;
+
+void initiateReset(int _ticks) {
 	ticks = _ticks;
 }
 
-void ResetClass::cancel() {
+void cancelReset() {
 	ticks = -1;
 }
 
-void ResetClass::tick() {
+void tickReset() {
 	if (ticks == -1)
 		return;
 	ticks--;
 	if (ticks == 0)
 		banzai();
 }
 
-int ResetClass::ticks = -1;
+#ifdef __cplusplus
+}
+#endif

hardware/arduino/sam/cores/arduino/Reset.h

@@ -19,15 +19,16 @@
 #ifndef RESET_H
 #define RESET_H
 
-class ResetClass {
-public:
-	static void initiate(int _ticks);
-	static void cancel();
-	static void tick();
-private:
-	static int ticks;
-};
-
-extern ResetClass Reset;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void initiateReset(int ms);
+void tickReset();
+void cancelReset();
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif

hardware/arduino/sam/cores/arduino/USB/CDC.cpp

@@ -134,9 +134,9 @@ bool WEAK CDC_Setup(Setup& setup)
 			{
 				// We check DTR state to determine if host port is open (bit 0 of lineState).
 				if ((_usbLineInfo.lineState & 0x01) == 0)
-					Reset.initiate(240);
+					initiateReset(250);
 				else
-					Reset.cancel();
+					cancelReset();
 			}
 			return true;
 		}

hardware/arduino/sam/cores/arduino/USB/USBCore.cpp

@@ -186,7 +186,7 @@ uint32_t USBD_Send(uint32_t ep, const void* d, uint32_t len)
 
     if (!_usbConfiguration)
     {
-        printf("pb conf\n\r");
+    	TRACE_CORE(printf("pb conf\n\r");)
 		return -1;
     }
 
@@ -472,8 +472,8 @@ static void Test_Mode_Support( uint8_t wIndex )
 			//patterns, jitter, and any other dynamic waveform specifications.
 			//The test packet is made up by concatenating the following strings.
 			//(Note: For J/K NRZI data, and for NRZ data, the bit on the left is the first one
-			//transmitted. “S” indicates that a bit stuff occurs, which inserts an “extra” NRZI data bit.
-			//“* N” is used to indicate N occurrences of a string of bits or symbols.)
+			//transmitted. "S" indicates that a bit stuff occurs, which inserts an "extra" NRZI data bit.
+			//"* N" is used to indicate N occurrences of a string of bits or symbols.)
 			//A port in Test_Packet mode must send this packet repetitively. The inter-packet timing
 			//must be no less than the minimum allowable inter-packet gap as defined in Section 7.1.18 and
 			//no greater than 125 us.
@@ -508,7 +508,7 @@ static void Test_Mode_Support( uint8_t wIndex )
 
 		case 1:
 			//Test mode Test_J:
-			//Upon command, a port’s transceiver must enter the high-speed J state and remain in that
+			//Upon command, a port's transceiver must enter the high-speed J state and remain in that
 			//state until the exit action is taken. This enables the testing of the high output drive
 			//level on the D+ line.
 			// Send a ZLP
@@ -519,7 +519,7 @@ static void Test_Mode_Support( uint8_t wIndex )
 
 		case 2:
 			//Test mode Test_K:
-			//Upon command, a port’s transceiver must enter the high-speed K state and remain in
+			//Upon command, a port's transceiver must enter the high-speed K state and remain in
 			//that state until the exit action is taken. This enables the testing of the high output drive
 			//level on the D- line.
 			// Send a ZLP
@@ -530,7 +530,7 @@ static void Test_Mode_Support( uint8_t wIndex )
 
 		case 3:
 			//Test mode Test_SE0_NAK:
-			//Upon command, a port’s transceiver must enter the high-speed receive mode
+			//Upon command, a port's transceiver must enter the high-speed receive mode
 			//and remain in that mode until the exit action is taken. This enables the testing
 			//of output impedance, low level output voltage, and loading characteristics.
 			//In addition, while in this mode, upstream facing ports (and only upstream facing ports)
@@ -571,8 +571,6 @@ static void Test_Mode_Support( uint8_t wIndex )
 //	Endpoint 0 interrupt
 static void USB_ISR(void)
 {
-    Reset.tick();
-
 //    printf("ISR=0x%X\n\r", UOTGHS->UOTGHS_DEVISR); // jcb
 //    if( iii++ > 1500 ) while(1); // jcb
     // End of bus reset

hardware/arduino/sam/cores/arduino/wiring.c

@@ -17,6 +17,7 @@
 */
 
 #include "Arduino.h"
+#include "Reset.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -46,7 +47,7 @@ void delay( uint32_t dwMs )
 
 void delayMicroseconds( uint32_t dwUs )
 {
-  uint32_t dwStartMicros=micros() ;
+	uint32_t dwStartMicros=micros() ;
 
 	while ( (micros() - dwStartMicros) < dwUs )
 	{
@@ -59,8 +60,10 @@ void delayMicroseconds( uint32_t dwUs )
  */
 void SysTick_Handler( void )
 {
-  // Increment tick count each ms
-  TimeTick_Increment() ;
+	tickReset();
+
+	// Increment tick count each ms
+	TimeTick_Increment() ;
 }
 
 #if defined ( __ICCARM__ ) /* IAR Ewarm 5.41+ */