diff --git a/Makefile b/Makefile
index 6ddfe5c22..6337154cb 100644
--- a/Makefile
+++ b/Makefile
@@ -61,6 +61,7 @@ ALL = $(TESTS:.c=.srec) $(TESTS:.c=.bin) $(TESTS:.c=.dis)
 all:		src/start.o src/isr.o $(ALL)
 
 tests/nvm-read.obj: src/maca.o src/nvm.o
+tests/nvm-write.obj: src/maca.o src/nvm.o
 tests/rftest-rx.obj: src/maca.o src/nvm.o
 tests/rftest-tx.obj: src/maca.o src/nvm.o
 tests/tmr-ints.obj: src/isr.o
diff --git a/include/nvm.h b/include/nvm.h
index e76313c40..7b31d3b1d 100644
--- a/include/nvm.h
+++ b/include/nvm.h
@@ -38,5 +38,6 @@ typedef enum
 /* need to be in a THUMB block before calling them */
 extern volatile nvmErr_t (*nvm_detect)(nvmInterface_t nvmInterface,nvmType_t* pNvmType);
 extern volatile nvmErr_t (*nvm_read)(nvmInterface_t nvmInterface , nvmType_t nvmType , void *pDest, uint32_t address, uint32_t numBytes);
+extern volatile nvmErr_t (*nvm_write)(nvmInterface_t nvmInterface, nvmType_t nvmType ,void *pSrc, uint32_t address, uint32_t numBytes);
 extern volatile void(*nvm_setsvar)(uint32_t zero_for_awesome);
 #endif //NVM_H
diff --git a/src/nvm.c b/src/nvm.c
index 0aa5bf249..2a4426dfe 100644
--- a/src/nvm.c
+++ b/src/nvm.c
@@ -1,5 +1,6 @@
 #include "nvm.h"
-/*NVM_Write               0x00006ec5*/
+
 volatile nvmErr_t (*nvm_detect)(nvmInterface_t nvmInterface,nvmType_t* pNvmType) = 0x00006cb9;
 volatile nvmErr_t (*nvm_read)(nvmInterface_t nvmInterface , nvmType_t nvmType , void *pDest, uint32_t address, uint32_t numBytes) = 0x00006d69;
+volatile nvmErr_t (*nvm_write)(nvmInterface_t nvmInterface, nvmType_t nvmType ,void *pSrc, uint32_t address, uint32_t numBytes) = 0x00006ec5;
 volatile void(*nvm_setsvar)(uint32_t zero_for_awesome) = 0x00007085;