diff --git a/src/energenie/drv/build_rpi b/src/energenie/drv/build_rpi
index 1ea8f9c..0e0af3b 100755
--- a/src/energenie/drv/build_rpi
+++ b/src/energenie/drv/build_rpi
@@ -27,9 +27,9 @@
 
 
 # build radio_test
-## gcc radio_test.c radio.c hrf69.c spis_rpi.c gpio_rpi.c
-## mv a.out radio_test
-## chmod u+x radio_test
+gcc radio_test.c radio.c hrfm69.c spis.c gpio_rpi.c delay_posix.c
+mv a.out radio_test
+chmod u+x radio_test
 
 
 # build spi .so library on Raspberry Pi
diff --git a/src/energenie/drv/hrfm69_test.c b/src/energenie/drv/hrfm69_test.c
index 66c6569..32ddbcd 100644
--- a/src/energenie/drv/hrfm69_test.c
+++ b/src/energenie/drv/hrfm69_test.c
@@ -144,7 +144,7 @@
     //{HRF_ADDR_PAYLOADLEN,     2},                         // Payload Length
     //{HRF_ADDR_FIFOTHRESH,     1}                          // Start tx when this is exceeded
 };
-#define CONFIG_OOK_LEN (sizeof(config_OOK)/sizeof(HRF_CONFIG_REC))
+#define CONFIG_OOK_COUNT (sizeof(config_OOK)/sizeof(HRF_CONFIG_REC))
 
 
 // Send a test tick using OOK modulation
@@ -158,7 +158,7 @@
     int i;
 
     TRACE_OUTS("config\n");
-    for (i=0; i<sizeof(config_OOK); i++)
+    for (i=0; i<CONFIG_OOK_COUNT; i++)
     {
         HRF_writereg(config_OOK[i].addr, config_OOK[i].value);
     }
@@ -271,7 +271,7 @@
     uint8_t irqflags2;
 
     TRACE_OUTS("config\n");
-    for (i=0; i<sizeof(config_OOK); i++)
+    for (i=0; i<CONFIG_OOK_COUNT; i++)
     {
         HRF_writereg(config_OOK[i].addr, config_OOK[i].value);
     }