From 9a5c50d5864e9a18c856edb446ed2565037260e2 Mon Sep 17 00:00:00 2001
From: Zach Eveland <zeveland@blacklabel-development.com>
Date: Mon, 24 Oct 2011 22:12:45 -0400
Subject: fixed logic bug in waiting for synch.  stripped out all Serial stuff

---
 bootloaders/nuevo_diskloader/src/CDC.cpp        |  8 ++------
 bootloaders/nuevo_diskloader/src/DiskLoader.cpp | 19 +++++++++++++++----
 bootloaders/nuevo_diskloader/src/USBCore.cpp    |  2 +-
 3 files changed, 18 insertions(+), 11 deletions(-)

(limited to 'bootloaders/nuevo_diskloader/src')

diff --git a/bootloaders/nuevo_diskloader/src/CDC.cpp b/bootloaders/nuevo_diskloader/src/CDC.cpp
index 8bc4b51..cc798b4 100644
--- a/bootloaders/nuevo_diskloader/src/CDC.cpp
+++ b/bootloaders/nuevo_diskloader/src/CDC.cpp
@@ -101,7 +101,7 @@ bool WEAK CDC_Setup(Setup& setup)
 	return false;
 }
 
-
+/*
 int _serialPeek = -1;
 void Serial_::begin(uint16_t baud_count)
 {
@@ -149,11 +149,6 @@ void Serial_::flush(void)
 
 size_t Serial_::write(uint8_t c)
 {
-	/* only try to send bytes if the high-level CDC connection itself 
-	 is open (not just the pipe) - the OS should set lineState when the port
-	 is opened and clear lineState when the port is closed.
-	 bytes sent before the user opens the connection or after
-	 the connection is closed are lost - just like with a UART. */
 	
 	// TODO - ZE - check behavior on different OSes and test what happens if an
 	// open connection isn't broken cleanly (cable is yanked out, host dies
@@ -172,6 +167,7 @@ size_t Serial_::write(uint8_t c)
 }
 
 Serial_ Serial;
+*/
 
 #endif
 #endif /* if defined(USBCON) */
\ No newline at end of file
diff --git a/bootloaders/nuevo_diskloader/src/DiskLoader.cpp b/bootloaders/nuevo_diskloader/src/DiskLoader.cpp
index 724a130..cbb709b 100644
--- a/bootloaders/nuevo_diskloader/src/DiskLoader.cpp
+++ b/bootloaders/nuevo_diskloader/src/DiskLoader.cpp
@@ -3,6 +3,7 @@
  */
 
 #include "Platform.h"
+#include "USBCore.h"
 
 //extern "C"
 void entrypoint(void) __attribute__ ((naked)) __attribute__ ((section (".vectors")));
@@ -123,9 +124,12 @@ int main()
 		u16 address = 0;
 		for (;;)
 		{
-			while (Serial.available() < 1)
-				;		
-			u8 cmd = Serial.read();
+//			while (Serial.available() < 1)
+//				;		
+//			u8 cmd = Serial.read();
+			while (!USB_Available(CDC_RX))
+				;
+			u8 cmd = USB_Recv(CDC_RX);
 			
 			// Read packet contents
 			u8 len;
@@ -180,8 +184,15 @@ int main()
 			}
 			
 			// Check sync
-			if (Serial.available() > 0 && Serial.read() != ' ')
+//			if (Serial.available() > 0 && Serial.read() != ' ')
+//				break;			
+//			if (USB_Available(CDC_RX) && USB_Recv(CDC_RX) != ' ')
+			u16 countdown = 5000;
+			while (!USB_Available(CDC_RX) && countdown-- > 10)
+				;
+			if (USB_Recv(CDC_RX) != ' ')
 				break;
+			
 			USB_Send(CDC_TX, &_inSync, 1);
 			
 			if (send) 
diff --git a/bootloaders/nuevo_diskloader/src/USBCore.cpp b/bootloaders/nuevo_diskloader/src/USBCore.cpp
index abb529a..cfcef73 100644
--- a/bootloaders/nuevo_diskloader/src/USBCore.cpp
+++ b/bootloaders/nuevo_diskloader/src/USBCore.cpp
@@ -273,7 +273,7 @@ int USB_Send(u8 ep, const void* d, int len)
 //			if (!(--timeout))
 //				return -1;
 //			delay(1);
-			_delay_ms(3);
+			_delay_ms(1);
 			continue;
 		}
 
-- 
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