From 206d55cefe73551ed8bd64acbbbfa29ae12d7951 Mon Sep 17 00:00:00 2001
From: Ole Artz <ole.artz@t-online.de>
Date: Thu, 30 Jun 2022 14:57:05 +0200
Subject: [PATCH] DCDC MDC Converter Board: 0x00d1 answer fixed

---
 atmega32u4/dcdc_mdc/main.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/atmega32u4/dcdc_mdc/main.c b/atmega32u4/dcdc_mdc/main.c
index a203613..74690db 100644
--- a/atmega32u4/dcdc_mdc/main.c
+++ b/atmega32u4/dcdc_mdc/main.c
@@ -90,7 +90,7 @@
 uint16_t time;
 
 uint8_t rxcnt = 0, txpoint = 0;
-uint8_t rxbuf[11];
+uint8_t rxbuf[15];
 uint8_t txbuf[12];
 uint16_t adc[16]; // raw values from ADC
 uint16_t V_in = 0;
@@ -328,9 +328,7 @@ void getdata(uint8_t buf) {
       txbuf[length + 2] = 0;
       send_answer_buf(txbuf);
       rxcnt = 0;
-    } else if (rxcnt == 11 && is_my_address(10)) {
-      // message is for this uC
-//    } else if (is_my_address(10)) { //answer 0x00d1 works with this line
+    } else if (rxcnt == 11 && is_my_address(10)) {// message with correct length is for this uC
 
       if (rxbuf[0] == 'W') {
         // write
@@ -483,10 +481,11 @@ void getdata(uint8_t buf) {
         }
       }
     }
-    if (rxcnt >= 11 || buf == '\n' || buf == '\r') {
-      rxcnt = 0;
-    }
   }
+  if (rxcnt >= 11 || buf == '\n' || buf == '\r') {
+    rxcnt = 0;
+  }
+
 }
 
 
-- 
2.43.0