diff --git a/fsw_params_processing.h b/fsw_params_processing.h
--- a/fsw_params_processing.h
+++ b/fsw_params_processing.h
@@ -1,6 +1,10 @@
 #ifndef FSW_PARAMS_PROCESSING_H
 #define FSW_PARAMS_PROCESSING_H
 
+#define CHANNELF0 0
+#define CHANNELF1 1
+#define CHANNELF2 2
+
 #define NB_BINS_PER_SM          128
 #define NB_VALUES_PER_SM        25
 #define TOTAL_SIZE_SM           3200    // 25 * 128 = 0xC80