diff --git a/avr/devices/n12/n12_main.asm b/avr/devices/n12/n12_main.asm
index 1109418..352ed08 100644
--- a/avr/devices/n12/n12_main.asm
+++ b/avr/devices/n12/n12_main.asm
@@ -62,6 +62,8 @@
 .equ VALUE_ID_REED1 = 0x04
 .equ VALUE_ID_REED2 = 0x05
 
+.equ VALUE_ID_REED_CONF = 0x81
+
 
 
 ; ***************************************************************************
@@ -193,10 +195,11 @@ sramTimerEnqueueValues:      .byte 2
 
 .cseg
 
+#ifdef MODULES_LED
 ledA3Flash:    .db DDRA+0x20, PORTA+0x20, PINA+0x20, (1<<PORTA3)
 blinkPattern:  .db 2, 50, 0xff, 0xff   ; 1 short blink, 5s pause, restart
 ;blinkPattern2: .db 2, 2, 0xff, 0xff   ; 1 short blink, short pause, restart
-
+#endif
 
 
 
@@ -325,20 +328,57 @@ onEvery100ms:
 
 
 ; ---------------------------------------------------------------------------
-; onPacketReceived:
+; @routine onPacketReceived:
 ;
 ; Called after a packet was received via COM module. Add your routine calls here.
 ;
 ; The packet will be released in any case after return from this call.
-; IN:
-; - X  : pointer to received buffer
-; OUT:
-; - CFLAG: set if handled, cleared otherwise
-; USED: depending on called routines
+;
+; @return CFLAG set if message handled, cleared otherwise
+; @param X  pointer to received buffer
+; @clobbers all
 
 onPacketReceived:
-  rcall CPRO_OnPacketReceived
+  ; get msg code
+  adiw xh:xl, COM2_MSG_OFFS_CMD
+  ld r16, x
+  sbiw xh:xl, COM2_MSG_OFFS_CMD
+
+  cpi r16, CPRO_CMD_VALUE_SET
+  brne onPacketReceived_l1
+  ; msg code is CPRO_CMD_VALUE_SET
+  ; TODO
+
+onPacketReceived_l1:
+  rjmp CPRO_OnPacketReceived
+; @end
+
+
+
+
+onSetValueReceived:
+  adiw xh:xl, CPRO_PACKET_SETVALUE_OFFS_VALUEID
+  ld r16, X
+  sbiw xh:xl, CPRO_PACKET_SETVALUE_OFFS_VALUEID
+  cpi r16, VALUE_ID_REED_CONF
+  brne onSetValueReceived_l1
+  rjmp onSetReedConf
+onSetValueReceived_l1:
+  clc
   ret
 
 
+onSetReedConf:
+  ; get new value
+  adiw xh:xl, CPRO_PACKET_SETVALUE_OFFS_VALUE
+  ld r16, X
+  sbiw xh:xl, CPRO_PACKET_SETVALUE_OFFS_VALUE
+  ; set config
+  rcall REED_SetConfig
+  ; send ACK
+  ldi r16, CPRO_CMD_VALUE_SET_ACK
+  rcall CPRO_SendSetValueResponse
+  sec
+  ret
+
 
diff --git a/avr/modules/comproto/defs.asm b/avr/modules/comproto/defs.asm
index b8b4a38..661682d 100644
--- a/avr/modules/comproto/defs.asm
+++ b/avr/modules/comproto/defs.asm
@@ -51,6 +51,11 @@
 .equ CPRO_CMD_CONFIG_MODULE_RESPONSE = 101
 
 
+.equ CPRO_PACKET_SETVALUE_OFFS_VALUEID = 6
+.equ CPRO_PACKET_SETVALUE_OFFS_VALUE   = 8
+.equ CPRO_PACKET_SETVALUE_OFFS_DENOM   = 10
+
+
 .equ CPRO_PACKET_HAVEADDR_OFFS_ADDRESS  = COM2_MSG_OFFS_PAYLOAD+4
 .equ CPRO_PACKET_CLAIMADDR_OFFS_ADDRESS = COM2_MSG_OFFS_PAYLOAD+4
 .equ CPRO_PACKET_DENYADDR_OFFS_ADDRESS  = COM2_MSG_OFFS_PAYLOAD+4
diff --git a/avr/modules/comproto/msg_value.asm b/avr/modules/comproto/msg_value.asm
index cd519de..cfaf6b3 100644
--- a/avr/modules/comproto/msg_value.asm
+++ b/avr/modules/comproto/msg_value.asm
@@ -17,7 +17,7 @@
 
 
 ; ---------------------------------------------------------------------------
-; @routine CPRO_WriteReportValue
+; @routine CPRO_WriteReportValue @global
 ; Write a REPORT_VALUE packet.
 ;
 ; @return nothing
@@ -56,16 +56,72 @@ CPRO_WriteReportValue:
 
 
 ; ---------------------------------------------------------------------------
-; @routine CPRO_WriteSetValueResponse
+; @routine CPRO_WriteSetValueResponse @global
 ; Write response to a SET_VALUE request.
 ;
 ; @return nothing
-; @param R16  message code (CPRO_CMD_VALUE_SET_ACK or CPRO_CMD_VALUE_SET_NACK)
-; @param X    buffer to write to
-; @param Y    buffer with received setValueRequest message
-; @clobbers   R16, R17, R18, R19, (Y)
+; @param  R16     message code (CPRO_CMD_VALUE_SET_ACK or CPRO_CMD_VALUE_SET_NACK)
+; @param  X       buffer to write to
+; @param  Y       buffer with received setValueRequest message
+; @clobbers       R16, R17, R18, R19, (Y)
 
 CPRO_WriteSetValueResponse:
+  rcall cproInvertValueMsg         ; (R16, R17, R18, R19, Y)
+
+  ; add checksum byte
+  rcall com2CalcAndAddChecksumByte ; (R16, R17, R18, R19, X)
+  sbiw xh:xl, 13                   ; go back to beginning of message
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine CPRO_WriteGetValueResponse @global
+; Write response to a SET_VALUE request.
+;
+; @return nothing
+; @param  R16     message code (CPRO_CMD_VALUE_SET_ACK or CPRO_CMD_VALUE_SET_NACK)
+; @param  R19:R18 value
+; @param  R21:R20 denom (e.g. 100, meaning value must be divided by 100, 0=don't change)
+; @param  X       buffer to write to
+; @param  Y       buffer with received setValueRequest message
+; @clobbers       R16, R17, R18, R19, (Y)
+
+CPRO_WriteGetValueResponse:
+  push r18
+    push r19
+      rcall cproInvertValueMsg         ; (R16, R17, R18, R19, Y)
+    pop r19
+  pop r18
+
+  ; replace values
+  adiw xh:xl, CPRO_PACKET_SETVALUE_OFFS_VALUE
+  st X+, r18 ; value (low)
+  st X+, r19 ; value (high)
+  st X+, r20 ; denom (low)
+  st X+, r21 ; denom (high)
+  sbiw xh:xl, CPRO_PACKET_SETVALUE_OFFS_VALUE+4
+
+  ; add checksum byte
+  rcall com2CalcAndAddChecksumByte ; (R16, R17, R18, R19, X)
+  sbiw xh:xl, 13                   ; go back to beginning of message
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine cproInvertValueMsg
+; Write response to a SET_VALUE request.
+;
+; @return nothing
+; @param  R16     message code (CPRO_CMD_VALUE_SET_ACK or CPRO_CMD_VALUE_SET_NACK)
+; @param  X       buffer to write to
+; @param  Y       buffer with received setValueRequest message
+; @clobbers       R16, R17, R18, R19, (Y)
+
+cproInvertValueMsg:
   ; copy received message into new message
   mov r19, r16
   ldi r18, 12            ; message size without checksum byte
@@ -84,13 +140,61 @@ CPRO_WriteSetValueResponse:
   adiw xh:xl, 2          ; msg code
   st X, r19
   sbiw xh:xl, 2
+  ret
 
-  ; add checksum byte
-  rcall com2CalcAndAddChecksumByte            ; (R16, R17, R18, R19, X)
-  sbiw xh:xl, 13         ; go back to beginning of message
+
+
+; ---------------------------------------------------------------------------
+; @routine CPRO_SendSetValueResponse @global
+; Write response to a SET_VALUE request.
+;
+; @return CFLAG set if okay, cleared on error
+; @param R16  message code (CPRO_CMD_VALUE_SET_ACK or CPRO_CMD_VALUE_SET_NACK)
+; @param X    buffer to write to
+; @param Y    buffer with received setValueRequest message
+; @clobbers   Y, (R16, R17, R18, R19, R22)
+
+CPRO_SendSetValueResponse:
+  push xh
+    push xl
+      mov yh, xh
+      mov yl, xl
+      ldi xl, LOW(com2SendBuffer)
+      ldi xh, HIGH(com2SendBuffer)
+      rcall CPRO_WriteSetValueResponse ; (R16, R17, R18, R19, Y)
+      rcall COM2_SendPacket            ; (r18, r19, r22, X)
+    pop xl
+  pop xh
   ret
 ; @end
 
 
 
+; ---------------------------------------------------------------------------
+; @routine CPRO_SendGetValueResponse @global
+; Write response to a GET_VALUE request.
+;
+; @return CFLAG set if okay, cleared on error
+; @param  R16  message code (CPRO_CMD_VALUE_SET_ACK or CPRO_CMD_VALUE_SET_NACK)
+; @param  R19:R18 value
+; @param  R21:R20 denom (e.g. 100, meaning value must be divided by 100, 0=don't change)
+; @param  X       buffer to write to
+; @param  Y       buffer with received getValueRequest message
+; @clobbers  Y, (R16, R17, R18, R19, R22)
+
+CPRO_SendGetValueResponse:
+  push xh
+    push xl
+      mov yh, xh
+      mov yl, xl
+      ldi xl, LOW(com2SendBuffer)
+      ldi xh, HIGH(com2SendBuffer)
+      rcall CPRO_WriteGetValueResponse ; (R16, R17, R18, R19, Y)
+      rcall COM2_SendPacket            ; (r18, r19, r22, X)
+    pop xl
+  pop xh
+  ret
+; @end
+
+
 
diff --git a/avr/modules/reed/main.asm b/avr/modules/reed/main.asm
index 2128ee6..d355c24 100644
--- a/avr/modules/reed/main.asm
+++ b/avr/modules/reed/main.asm
@@ -170,6 +170,25 @@ REED_Every100ms:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine REED_SetConfig
+;
+; Set config and write to EEPROM
+;
+; @return   nothing
+; @param    r16 new configuration
+; @clobbers r16, X, (R17)
+
+REED_SetConfig:
+  sts reedConfigFromEeprom, r16
+  ldi xh, HIGH(EEPROM_OFFS_REED_CONF) ; write config to EEPROM
+  ldi xl, LOW(EEPROM_OFFS_REED_CONF)  ;
+  rcall Utils_WriteEepromIncr         ; (R17)
+  ret
+; @end
+
+
+
 ; ---------------------------------------------------------------------------
 ; @routine reedSetupConfig
 ;
@@ -194,6 +213,7 @@ reedSetupConfig_haveConfig:
   sts reedConfigFromEeprom, r16
 reedSetupConfig_end:
   ret
+; @end