diff --git a/avr/main.asm b/avr/main.asm
index 627ba80..a18b323 100644
--- a/avr/main.asm
+++ b/avr/main.asm
@@ -39,6 +39,8 @@
 ; ---------------------------------------------------------------------------
 ; TWI master module
 
+.equ LCD_TWI_ADDRESS      = 0x3c
+
 .equ TWI_DDR_SCL          = DDRA
 .equ TWI_PORT_SCL         = PORTA
 .equ TWI_PIN_SCL          = PINA
@@ -52,6 +54,12 @@
 
 
 
+; ---------------------------------------------------------------------------
+; BMP 280
+
+.equ BMP280_ADDR          = 0x76
+
+
 ; ***************************************************************************
 ; code segment
 
@@ -92,6 +100,7 @@
 .include "com.asm"
 .include "twimaster.asm"
 .include "lcd.asm"
+.include "bmp280.asm"
 
 
 
@@ -192,6 +201,7 @@ initModules:
   rcall Com_Init
   rcall TWI_Master_Init
   rcall LCD_Init
+  rcall BMP280_Init
   ret
 
 
@@ -282,16 +292,6 @@ onEverySecond:
 ; USED: depending on called routines
 
 onEvery10s:
-  in r15, SREG ; debug
-  cli
-  push r15
-    ldi r16, 219
-    rcall COM_EnqueuePing
-  pop r15
-  out SREG, r15
-  
-  rcall printSendStats
-  
   ret
 
 
@@ -308,8 +308,17 @@ onEvery10s:
 ; USED: depending on called routines
 
 onEveryMinute:
-  ldi r16, 219
-  rcall COM_EnqueueComSendStats
+  in r15, SREG ; debug
+  cli
+  push r15
+    ldi r16, 219
+    rcall COM_EnqueueComSendStats
+    rcall printSendStats
+
+    ;ldi r16, 219
+    ;rcall COM_EnqueuePing
+  pop r15
+  out SREG, r15
   ret
 
 
@@ -327,8 +336,6 @@ onEveryMinute:
 ; USED: depending on called routines
 
 onPacketReceived:
- sbi DDRA, PORTA2 ; debug
- sbi PINA, PORTA2 ; debug (toggle)
   clc               ; not handled
   ret
 
@@ -382,57 +389,61 @@ debugSendByte:
 
 
 printSendStats:
-  ldi r18, 0
-  ldi r19, 2
-  rcall LCD_SetCursor
-  ldi zl, LOW(textStatsPacketsIn)
-  ldi zh, HIGH(textStatsPacketsIn)
-  rcall LCD_PrintFromFlash
-  lds r18, comStatsPacketsIn
-  lds r19, comStatsPacketsIn+1
-  rcall LCD_PrintHexWord
-
-  ldi r18, 0
-  ldi r19, 3
-  rcall LCD_SetCursor
-  ldi zl, LOW(textStatsPacketsRecvErr)
-  ldi zh, HIGH(textStatsPacketsRecvErr)
-  rcall LCD_PrintFromFlash
-  lds r18, comStatsRecvErrs
-  lds r19, comStatsRecvErrs+1
-  rcall LCD_PrintHexWord
-
-
-  ldi r18, 0
-  ldi r19, 5
-  rcall LCD_SetCursor
-  ldi zl, LOW(textStatsPacketsOut)
-  ldi zh, HIGH(textStatsPacketsOut)
-  rcall LCD_PrintFromFlash
-  lds r18, comStatsPacketsOut
-  lds r19, comStatsPacketsOut+1
-  rcall LCD_PrintHexWord
-
-  ldi r18, 0
-  ldi r19, 6
-  rcall LCD_SetCursor
-  ldi zl, LOW(textStatsCollisions)
-  ldi zh, HIGH(textStatsCollisions)
-  rcall LCD_PrintFromFlash
-  lds r18, comStatsCollisions
-  lds r19, comStatsCollisions+1
-  rcall LCD_PrintHexWord
-
-  ldi r18, 0
-  ldi r19, 7
-  rcall LCD_SetCursor
-  ldi zl, LOW(textStatsAborted)
-  ldi zh, HIGH(textStatsAborted)
-  rcall LCD_PrintFromFlash
-  lds r18, comStatsAborted
-  lds r19, comStatsAborted+1
-  rcall LCD_PrintHexWord
-
+  push r15
+    in r15, SREG ; debug
+    cli
+    ldi r18, 0
+    ldi r19, 2
+    rcall LCD_SetCursor
+    ldi zl, LOW(textStatsPacketsIn)
+    ldi zh, HIGH(textStatsPacketsIn)
+    rcall LCD_PrintFromFlash
+    lds r18, comStatsPacketsIn
+    lds r19, comStatsPacketsIn+1
+    rcall LCD_PrintHexWord
+  
+    ldi r18, 0
+    ldi r19, 3
+    rcall LCD_SetCursor
+    ldi zl, LOW(textStatsPacketsRecvErr)
+    ldi zh, HIGH(textStatsPacketsRecvErr)
+    rcall LCD_PrintFromFlash
+    lds r18, comStatsRecvErrs
+    lds r19, comStatsRecvErrs+1
+    rcall LCD_PrintHexWord
+  
+  
+    ldi r18, 0
+    ldi r19, 5
+    rcall LCD_SetCursor
+    ldi zl, LOW(textStatsPacketsOut)
+    ldi zh, HIGH(textStatsPacketsOut)
+    rcall LCD_PrintFromFlash
+    lds r18, comStatsPacketsOut
+    lds r19, comStatsPacketsOut+1
+    rcall LCD_PrintHexWord
+  
+    ldi r18, 0
+    ldi r19, 6
+    rcall LCD_SetCursor
+    ldi zl, LOW(textStatsCollisions)
+    ldi zh, HIGH(textStatsCollisions)
+    rcall LCD_PrintFromFlash
+    lds r18, comStatsCollisions
+    lds r19, comStatsCollisions+1
+    rcall LCD_PrintHexWord
+  
+    ldi r18, 0
+    ldi r19, 7
+    rcall LCD_SetCursor
+    ldi zl, LOW(textStatsAborted)
+    ldi zh, HIGH(textStatsAborted)
+    rcall LCD_PrintFromFlash
+    lds r18, comStatsAborted
+    lds r19, comStatsAborted+1
+    rcall LCD_PrintHexWord
+  pop r15
+  out SREG, r15
   ret