diff --git a/firmware/slavechip/main.c b/firmware/slavechip/main.c
index cd9a032..8f58f56 100644
--- a/firmware/slavechip/main.c
+++ b/firmware/slavechip/main.c
@@ -43,10 +43,11 @@ void hardinit() {
 }
 
 void softinit() {
-	mcpadc_init(ADC_GAIN_2|ADC_CONV_CONT|ADC_BITS_16);
     dbg_init();
     stdout = &mystdout;
     printf("======= starting logging\n");
+	mcpadc_init(ADC_GAIN_2|ADC_CONV_CONT|ADC_BITS_16);
+    offset_init();
 }
 
 
diff --git a/firmware/slavechip/offset.c b/firmware/slavechip/offset.c
index 9135214..cb633c8 100644
--- a/firmware/slavechip/offset.c
+++ b/firmware/slavechip/offset.c
@@ -6,6 +6,13 @@ int16_t offset_val[4];
 int16_t offsets[4];
 
 
+void offset_init() {
+    offsets[0] = 2342;
+    offsets[1] = 4223;
+    offsets[2] = 2423;
+    offsets[3] = 4232;    
+}
+
 int16_t offset_measure_start(int16_t channel) {
     offset_measure[channel] = 1;
     offset_count[channel] = 1;
diff --git a/firmware/slavechip/offset.h b/firmware/slavechip/offset.h
index 2c23609..c051ba1 100644
--- a/firmware/slavechip/offset.h
+++ b/firmware/slavechip/offset.h
@@ -9,6 +9,7 @@ extern int16_t offset_count[4];
 extern int16_t offset_val[4];
 extern int16_t offsets[4];
 
+void offset_init();
 int16_t offset_measure_start(int16_t channel);
 int16_t offset_measure_stop(int16_t channel);