first version with sending

[svn42.git] / rf433rcv / teensy / example.c

diff --git a/rf433rcv/teensy/example.c b/rf433rcv/teensy/example.c
index 282e0bc..ebf77e2 100644 (file)
--- 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;
+      }
     }
   }
 }
-
-