Add Leonardo-like led pulse when bootloader is active

bootloaders/zero/Makefile

@@ -22,18 +22,18 @@ ifeq ($(OS),Windows_NT)
   # Are we using mingw/msys/msys2/cygwin?
   ifeq ($(TERM),xterm)
 # this is the path coming with night build
-#		T=$(shell cygpath -u $(LOCALAPPDATA))
+		T=$(shell cygpath -u $(LOCALAPPDATA))
 # this is the path till 1.6.5 r5
-		T=$(shell cygpath -u $(APPDATA))
+#		T=$(shell cygpath -u $(APPDATA))
     MODULE_PATH?=$(T)/Arduino15/packages/arduino
     ARM_GCC_PATH?=$(MODULE_PATH)/tools/arm-none-eabi-gcc/4.8.3-2014q1/bin/arm-none-eabi-
     RM=rm
     SEP=/
   else
 # this is the path coming with night build
-#    MODULE_PATH?=$(LOCALAPPDATA)/Arduino15/packages/arduino
+    MODULE_PATH?=$(LOCALAPPDATA)/Arduino15/packages/arduino
 # this is the path till 1.6.5 r5
-    MODULE_PATH?=$(APPDATA)/Arduino15/packages/arduino
+#    MODULE_PATH?=$(APPDATA)/Arduino15/packages/arduino
     ARM_GCC_PATH?=$(MODULE_PATH)/tools/arm-none-eabi-gcc/4.8.3-2014q1/bin/arm-none-eabi-
     RM=rm
     SEP=\\

bootloaders/zero/board_driver_led.h

@@ -29,13 +29,15 @@ inline void LED_off(void) { PORT->Group[BOARD_LED_PORT].OUTCLR.reg = (1<<BOARD_L
 inline void LED_toggle(void) { PORT->Group[BOARD_LED_PORT].OUTTGL.reg = (1<<BOARD_LED_PIN); }
 
 inline void LEDRX_init(void) { PORT->Group[BOARD_LEDRX_PORT].DIRSET.reg = (1<<BOARD_LEDRX_PIN); }
-inline void LEDRX_on(void) { PORT->Group[BOARD_LEDRX_PORT].OUTSET.reg = (1<<BOARD_LEDRX_PIN); }
-inline void LEDRX_off(void) { PORT->Group[BOARD_LEDRX_PORT].OUTCLR.reg = (1<<BOARD_LEDRX_PIN); }
+inline void LEDRX_on(void) { PORT->Group[BOARD_LEDRX_PORT].OUTCLR.reg = (1<<BOARD_LEDRX_PIN); }
+inline void LEDRX_off(void) { PORT->Group[BOARD_LEDRX_PORT].OUTSET.reg = (1<<BOARD_LEDRX_PIN); }
 inline void LEDRX_toggle(void) { PORT->Group[BOARD_LEDRX_PORT].OUTTGL.reg = (1<<BOARD_LEDRX_PIN); }
 
 inline void LEDTX_init(void) { PORT->Group[BOARD_LEDTX_PORT].DIRSET.reg = (1<<BOARD_LEDTX_PIN); }
-inline void LEDTX_on(void) { PORT->Group[BOARD_LEDTX_PORT].OUTSET.reg = (1<<BOARD_LEDTX_PIN); }
-inline void LEDTX_off(void) { PORT->Group[BOARD_LEDTX_PORT].OUTCLR.reg = (1<<BOARD_LEDTX_PIN); }
+inline void LEDTX_on(void) { PORT->Group[BOARD_LEDTX_PORT].OUTCLR.reg = (1<<BOARD_LEDTX_PIN); }
+inline void LEDTX_off(void) { PORT->Group[BOARD_LEDTX_PORT].OUTSET.reg = (1<<BOARD_LEDTX_PIN); }
 inline void LEDTX_toggle(void) { PORT->Group[BOARD_LEDTX_PORT].OUTTGL.reg = (1<<BOARD_LEDTX_PIN); }
 
+inline void LED_configure(uint32_t sampleRate) { SysTick_Config(sampleRate); }
+
 #endif // _BOARD_DRIVER_LED_

bootloaders/zero/board_startup.c

@@ -18,6 +18,7 @@
 */
 
 #include <sam.h>
+#include "board_driver_led.h"
 
 struct ConstVectors
 {
@@ -140,8 +141,25 @@ void PendSV_Handler(void)
   while (1);
 }
 
+volatile uint8_t keepValue = 0;
+volatile uint8_t targetValue = 20;
+volatile int8_t direction = 1;
+
 void SysTick_Handler(void)
 {
-  __BKPT(1);
-  while (1);
-}
+  if (keepValue == 0) {
+    targetValue += direction;
+    LED_toggle();
+  }
+  keepValue ++;
+
+  if (targetValue > 240 || targetValue < 10) {
+    direction = -direction;
+    targetValue += direction;
+  }
+
+  if (keepValue == targetValue) {
+    LED_toggle();
+  }
+  //TC5->COUNT16.INTFLAG.bit.MC0 = 1;     // Clear interrupt
+}

bootloaders/zero/main.c

@@ -179,6 +179,14 @@ int main(void)
 
   DEBUG_PIN_LOW;
 
+  /* Initialize LEDs */
+  LED_init();
+  LED_configure(1000);
+  LEDRX_init();
+  LEDRX_off();
+  LEDTX_init();
+  LEDTX_off();
+
   /* Wait for a complete enum on usb or a '#' char on serial line */
   while (1)
   {

bootloaders/zero/sam_ba_monitor.c

@@ -25,6 +25,7 @@
 #include "board_driver_usb.h"
 #include "sam_ba_usb.h"
 #include "sam_ba_cdc.h"
+#include "board_driver_led.h"
 
 const char RomBOOT_Version[] = SAM_BA_VERSION;
 const char RomBOOT_ExtendedCapabilities[] = "[Arduino:XYZ]";
@@ -102,8 +103,64 @@ void sam_ba_monitor_init(uint8_t com_interface)
 #endif
 }
 
+/* 
+ * Central SAM-BA monitor putdata function using the board LEDs
+ */
+static uint32_t sam_ba_putdata(t_monitor_if* pInterface, void const* data, uint32_t length)
+{
+	uint32_t result ;
+
+	LEDTX_on();
+	result=pInterface->putdata(data, length);
+	LEDTX_off();
+
+	return result;
+}
+
+/* 
+ * Central SAM-BA monitor getdata function using the board LEDs
+ */
+static uint32_t sam_ba_getdata(t_monitor_if* pInterface, void const* data, uint32_t length)
+{
+	uint32_t result ;
+
+	LEDRX_on();
+	result=pInterface->getdata(data, length);
+	LEDRX_off();
+
+	return result;
+}
+
+/* 
+ * Central SAM-BA monitor putdata function using the board LEDs
+ */
+static uint32_t sam_ba_putdata_xmd(t_monitor_if* pInterface, void const* data, uint32_t length)
+{
+	uint32_t result ;
+
+	LEDTX_on();
+	result=pInterface->putdata_xmd(data, length);
+	LEDTX_off();
+
+	return result;
+}
+
+/* 
+ * Central SAM-BA monitor getdata function using the board LEDs
+ */
+static uint32_t sam_ba_getdata_xmd(t_monitor_if* pInterface, void const* data, uint32_t length)
+{
+	uint32_t result ;
+
+	LEDRX_on();
+	result=pInterface->getdata_xmd(data, length);
+	LEDRX_off();
+
+	return result;
+}
+
 /**
- * \brief This function allows data rx by USART
+ * \brief This function allows data emission by USART
  *
  * \param *data  Data pointer
  * \param length Length of the data
@@ -141,10 +198,10 @@ void sam_ba_putdata_term(uint8_t* data, uint32_t length)
     buf[1] = 'x';
     buf[length * 2 + 2] = '\n';
     buf[length * 2 + 3] = '\r';
-    ptr_monitor_if->putdata(buf, length * 2 + 4);
+    sam_ba_putdata(ptr_monitor_if, buf, length * 2 + 4);
   }
   else
-    ptr_monitor_if->putdata(data, length);
+    sam_ba_putdata(ptr_monitor_if, data, length);
   return;
 }
 
@@ -187,12 +244,12 @@ static void put_uint32(uint32_t n)
 
     buff[7-i] = d > 9 ? 'A' + d - 10 : '0' + d;
   }
-  ptr_monitor_if->putdata(buff, 8);
+  sam_ba_putdata( ptr_monitor_if, buff, 8);
 }
 
 static void sam_ba_monitor_loop(void)
 {
-  length = ptr_monitor_if->getdata(data, SIZEBUFMAX);
+  length = sam_ba_getdata(ptr_monitor_if, data, SIZEBUFMAX);
   ptr = data;
 
   for (i = 0; i < length; i++, ptr++)
@@ -203,7 +260,7 @@ static void sam_ba_monitor_loop(void)
     {
       if (b_terminal_mode)
       {
-        ptr_monitor_if->putdata("\n\r", 2);
+        sam_ba_putdata(ptr_monitor_if, "\n\r", 2);
       }
       if (command == 'S')
       {
@@ -235,13 +292,13 @@ static void sam_ba_monitor_loop(void)
         ptr--;
         //Do we expect more data ?
         if(j<current_number)
-          ptr_monitor_if->getdata_xmd(ptr_data, current_number-j);
+          sam_ba_getdata_xmd(ptr_monitor_if, ptr_data, current_number-j);
 
         __asm("nop");
       }
       else if (command == 'R')
       {
-        ptr_monitor_if->putdata_xmd(ptr_data, current_number);
+        sam_ba_putdata_xmd(ptr_monitor_if, ptr_data, current_number);
       }
       else if (command == 'O')
       {
@@ -282,35 +339,35 @@ static void sam_ba_monitor_loop(void)
       else if (command == 'T')
       {
         b_terminal_mode = 1;
-        ptr_monitor_if->putdata("\n\r", 2);
+        sam_ba_putdata(ptr_monitor_if, "\n\r", 2);
       }
       else if (command == 'N')
       {
         if (b_terminal_mode == 0)
         {
-          ptr_monitor_if->putdata("\n\r", 2);
+          sam_ba_putdata( ptr_monitor_if, "\n\r", 2);
         }
         b_terminal_mode = 0;
       }
       else if (command == 'V')
       {
-        ptr_monitor_if->putdata("v", 1);
-        ptr_monitor_if->putdata((uint8_t *) RomBOOT_Version, strlen(RomBOOT_Version));
-        ptr_monitor_if->putdata(" ", 1);
-        ptr_monitor_if->putdata((uint8_t *) RomBOOT_ExtendedCapabilities, strlen(RomBOOT_ExtendedCapabilities));
-        ptr_monitor_if->putdata(" ", 1);
+        sam_ba_putdata( ptr_monitor_if, "v", 1);
+        sam_ba_putdata( ptr_monitor_if, (uint8_t *) RomBOOT_Version, strlen(RomBOOT_Version));
+        sam_ba_putdata( ptr_monitor_if, " ", 1);
+        sam_ba_putdata( ptr_monitor_if, (uint8_t *) RomBOOT_ExtendedCapabilities, strlen(RomBOOT_ExtendedCapabilities));
+        sam_ba_putdata( ptr_monitor_if, " ", 1);
         ptr = (uint8_t*) &(__DATE__);
         i = 0;
         while (*ptr++ != '\0')
           i++;
-        ptr_monitor_if->putdata((uint8_t *) &(__DATE__), i);
-        ptr_monitor_if->putdata(" ", 1);
+        sam_ba_putdata( ptr_monitor_if, (uint8_t *) &(__DATE__), i);
+        sam_ba_putdata( ptr_monitor_if, " ", 1);
         i = 0;
         ptr = (uint8_t*) &(__TIME__);
         while (*ptr++ != '\0')
           i++;
-        ptr_monitor_if->putdata((uint8_t *) &(__TIME__), i);
-        ptr_monitor_if->putdata("\n\r", 2);
+        sam_ba_putdata( ptr_monitor_if, (uint8_t *) &(__TIME__), i);
+        sam_ba_putdata( ptr_monitor_if, "\n\r", 2);
       }
       else if (command == 'X')
       {
@@ -334,7 +391,7 @@ static void sam_ba_monitor_loop(void)
         }
 
         // Notify command completed
-        ptr_monitor_if->putdata("X\n\r", 3);
+        sam_ba_putdata( ptr_monitor_if, "X\n\r", 3);
       }
       else if (command == 'Y')
       {
@@ -393,7 +450,7 @@ static void sam_ba_monitor_loop(void)
         }
 
         // Notify command completed
-        ptr_monitor_if->putdata("Y\n\r", 3);
+        sam_ba_putdata( ptr_monitor_if, "Y\n\r", 3);
       }
       else if (command == 'Z')
       {
@@ -412,17 +469,17 @@ static void sam_ba_monitor_loop(void)
           crc = serial_add_crc(*data++, crc);
 
         // Send response
-        ptr_monitor_if->putdata("Z", 1);
+        sam_ba_putdata( ptr_monitor_if, "Z", 1);
         put_uint32(crc);
-        ptr_monitor_if->putdata("#\n\r", 3);
+        sam_ba_putdata( ptr_monitor_if, "#\n\r", 3);
       }
 
       command = 'z';
       current_number = 0;
 
       if (b_terminal_mode)
       {
-        ptr_monitor_if->putdata(">", 1);
+        sam_ba_putdata( ptr_monitor_if, ">", 1);
       }
     }
     else