From 02293cb00639b97ca422619ee15f5981a5b3ffd0 Mon Sep 17 00:00:00 2001
From: Othmar Gsenger <otti@realraum.at>
Date: Tue, 13 Dec 2011 19:14:19 +0000
Subject: [PATCH] first version with sending

---
 rf433rcv/pc/decode.pl     |    6 +++-
 rf433rcv/pc/rawhid_test.c |   75 ++++++++++++++++++++++++++-------------------
 rf433rcv/teensy/Makefile  |    1 +
 rf433rcv/teensy/example.c |   62 ++++++++++++++++++++++++++++++-------
 4 files changed, 101 insertions(+), 43 deletions(-)

diff --git a/rf433rcv/pc/decode.pl b/rf433rcv/pc/decode.pl
index fc7f92e..685a283 100755
--- a/rf433rcv/pc/decode.pl
+++ b/rf433rcv/pc/decode.pl
@@ -55,7 +55,7 @@ if (my $delemiter = $ARGV[0])
   # print "$seq\n";
   my $bitcount=0;
   my @binarydata;
-  for my $bits (split /,/,$seq)
+  for my $bits (reverse split /,/,$seq)
   {
     $binarydata[int($bitcount/8)]<<=1;
     $binarydata[int($bitcount/8)]|=$bits;
@@ -64,5 +64,9 @@ if (my $delemiter = $ARGV[0])
   $binarydata[int($bitcount/8)]<<= 7 - ($bitcount % 8);
   my @chars = map { chr($_) } @binarydata; 
   print STDERR join '',@chars;
+#  print STDERR "\ns\x04"; # send 4 times
+#  print STDERR chr(8-($bitcount % 8)) if $bitcount % 8;
+  print "$bitcount total, offset ".($bitcount % 8)." bits\n";
+  print ($bitcount/8 ," bytes (must be <= 63)\n");
 }
 
diff --git a/rf433rcv/pc/rawhid_test.c b/rf433rcv/pc/rawhid_test.c
index 1b1b2c3..3bccde4 100644
--- a/rf433rcv/pc/rawhid_test.c
+++ b/rf433rcv/pc/rawhid_test.c
@@ -15,7 +15,7 @@
 static char get_keystroke(void);
 
 
-int main()
+int main (int argc, char *argv[])
 {
 	int i, r, num;
 	char c, buf[64];
@@ -31,38 +31,51 @@ int main()
 		}
 	}
 //	printf("found rawhid device\n");
-
-	while (1) {
-		// check if any Raw HID packet has arrived
-		num = rawhid_recv(0, buf, 64, 220);
-		if (num < 0) {
-			printf("\nerror reading, device went offline\n");
-			rawhid_close(0);
-			return 0;
-		}
-		if (num == 64) {
-		//	printf("\nrecv %d bytes:\n", num);
-			  for (i=0; i<64*8; i++) {
-          if (buf[i/8] & 0x80)
-          {
-            printf("1");
-          } else {
-            printf("0");
+  if (argc>1)
+  {
+    FILE * f = fopen (argv[1], "r");
+    if (!f)
+      return -3;
+    buf[0]='f';  
+    size_t len= fread(buf+1, 63, 1, f);
+    rawhid_send(0, buf, 1+len, 100);
+    buf[0]='s';
+    buf[1]=4;
+    rawhid_send(0, buf, 2, 100);
+    return 0;
+  } else {
+    while (1) {
+      // check if any Raw HID packet has arrived
+      num = rawhid_recv(0, buf, 64, 220);
+      if (num < 0) {
+        printf("\nerror reading, device went offline\n");
+        rawhid_close(0);
+        return 0;
+      }
+      if (num == 64) {
+      //	printf("\nrecv %d bytes:\n", num);
+          for (i=0; i<64*8; i++) {
+            if (buf[i/8] & 0x80)
+            {
+              printf("1");
+            } else {
+              printf("0");
+            }
+            printf(",");
+            buf[i/8]<<=1;
           }
-          printf(",");
-          buf[i/8]<<=1;
+      }
+      // check if any input on stdin
+      while ((c = get_keystroke()) >= 32) {
+        printf("\ngot key '%c', sending...\n", c);
+        buf[0] = c;
+        for (i=1; i<64; i++) {
+          buf[i] = 0;
         }
-		}
-		// check if any input on stdin
-		while ((c = get_keystroke()) >= 32) {
-			printf("\ngot key '%c', sending...\n", c);
-			buf[0] = c;
-			for (i=1; i<64; i++) {
-				buf[i] = 0;
-			}
-			rawhid_send(0, buf, 64, 100);
-		}
-	}
+        rawhid_send(0, buf, 64, 100);
+      }
+    }
+  }  
 }
 
 #if defined(OS_LINUX) || defined(OS_MACOSX)
diff --git a/rf433rcv/teensy/Makefile b/rf433rcv/teensy/Makefile
index 8bd5973..cf36fbd 100644
--- a/rf433rcv/teensy/Makefile
+++ b/rf433rcv/teensy/Makefile
@@ -444,6 +444,7 @@ gccversion :
 
 # Program the device.  
 program: $(TARGET).hex $(TARGET).eep
+	echo -n r | ../pc/rawhid_test
 	~/teensy_loader_cli/teensy_loader_cli -mmcu=atmega32u4 -w $(TARGET).hex
 
 
diff --git a/rf433rcv/teensy/example.c b/rf433rcv/teensy/example.c
index 282e0bc..ebf77e2 100644
--- a/rf433rcv/teensy/example.c
+++ b/rf433rcv/teensy/example.c
@@ -41,6 +41,43 @@ uint8_t write_buffer[2][64]; // buffer for writing usb signals
 uint8_t rf_send_buffer[RF_SEND_BUFFER_LEN_MAX]; // buffer for sending rf433 signals
 uint8_t rf_send_buffer_len=0;
 
+
+void reset()
+{
+  cli();
+  // disable watchdog, if enabled
+  // disable all peripherals
+  UDCON = 1;
+  USBCON = (1<<FRZCLK);  // disable USB
+  UCSR1B = 0;
+  _delay_ms(5);
+  #if defined(__AVR_AT90USB162__)                // Teensy 1.0
+      EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0;
+      TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0;
+      DDRB = 0; DDRC = 0; DDRD = 0;
+      PORTB = 0; PORTC = 0; PORTD = 0;
+      asm volatile("jmp 0x3E00");
+  #elif defined(__AVR_ATmega32U4__)              // Teensy 2.0
+      EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
+      TIMSK0 = 0; TIMSK1 = 0; TIMSK3 = 0; TIMSK4 = 0; UCSR1B = 0; TWCR = 0;
+      DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; TWCR = 0;
+      PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
+      asm volatile("jmp 0x7E00");
+  #elif defined(__AVR_AT90USB646__)              // Teensy++ 1.0
+      EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
+      TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
+      DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
+      PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
+      asm volatile("jmp 0xFC00");
+  #elif defined(__AVR_AT90USB1286__)             // Teensy++ 2.0
+      EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
+      TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
+      DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
+      PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
+      asm volatile("jmp 0x1FC00");
+  #endif 
+}
+
 int main(void)
 {
   // set for 16 MHz clock
@@ -68,7 +105,9 @@ int main(void)
     int8_t r = usb_rawhid_recv(read_buffer, 0);
     if (r>0)
     {
-      if (read_buffer[0]=='b') //begin capture
+      if (read_buffer[0]=='r') //reset
+        reset();
+      else if (read_buffer[0]=='b') //begin capture
         capture=1;
       else if (read_buffer[0]=='e') //end capture
         capture=0;
@@ -120,16 +159,17 @@ ISR(TIMER0_COMPA_vect)
     rf_send--;
   } else if (rf_send_reload_count) {
     rf_send=rf_send_reload;
-  } else if (capture) {
-    write_buffer[active_buffer][output_count/8]<<=1;
-    write_buffer[active_buffer][output_count++/8]|=PINB&1;
-    if (output_count>=64*8)
-    {
-      output_count=0;
-      active_buffer=active_buffer?0:1;
-      send_buffer=1;
+  } else {
+    PORTF&=~1; 
+    if (capture) {
+      write_buffer[active_buffer][output_count/8]<<=1;
+      write_buffer[active_buffer][output_count++/8]|=PINB&1;
+      if (output_count>=64*8)
+      {
+        output_count=0;
+        active_buffer=active_buffer?0:1;
+        send_buffer=1;
+      }
     }
   }
 }
-
-
-- 
1.7.10.4