Add atecc_handle_write_default_configuration to simplify provisioning of atec608

Signed-off-by: cybnon <stefan.weber93@googlemail.com>

Author: Cybnon

include/atecc608_handler.h

@@ -77,6 +77,7 @@ const uint8_t ECCX08_DEFAULT_CONFIGURATION_VALS[112] = {
 };
 
 extern "C" int atecc_handler_write_configuration(const uint8_t *config, size_t len);
+extern "C" int atecc_handle_write_default_configuration();
 extern "C" int atecc_handler_lock_zone(uint8_t zone);
 extern "C" int atecc_handler_init(int i2cAddr, int bus);
 extern "C" int atecc_handler_read_configuration(uint8_t *config_data);

src/atecc608_handler.cpp

@@ -30,6 +30,20 @@ int atecc_handler_write_configuration(const uint8_t *config, size_t len)
     return status;
 }
 
+/** \brief Write default configuration to the chip.
+ *  \return ATCA_SUCCESS on success, otherwise an error code.
+ */
+int atecc_handle_write_default_configuration(){
+    ATCA_STATUS status;
+    status = atcab_init(&cfg);
+    if (status == ATCA_SUCCESS)
+    {
+        status = atecc_handler_write_configuration(ECCX08_DEFAULT_CONFIGURATION_VALS, sizeof(ECCX08_DEFAULT_CONFIGURATION_VALS));
+        return status;
+    }
+    return status;
+}
+
 
 /** \brief Check if a the DATA_ZONE or CONFIG_ZONE is locked
  *  \param[in] zone LOCK_ZONE_DATA or LOCK_ZONE_CONFIG

test/test_atecc608.cpp

@@ -17,14 +17,14 @@ void printHexBuffer(std::vector<uint8_t> input){
 
 void write_atecc_config()
 {
-  auto status = atecc_handler_init(0xC0);
+  auto status = atecc_handler_init(0xC0, 1);
   if(status){
     std::cout << "atecc_handler_init Fail! ";
     std::cout << status << "\n";
     return;
   }
 
-  status = atecc_handler_write_configuration(ECCX08_DEFAULT_CONFIGURATION_VALS, sizeof(ECCX08_DEFAULT_CONFIGURATION_VALS));
+  status = atecc_handle_write_default_configuration();
   if(status){
     std::cout << "atecc_handler_write_configuration Fail! ";
     std::cout << status << "\n";
@@ -41,7 +41,7 @@ void write_atecc_config()
 
 
 int general_test(){
-    auto status = atecc_handler_init(0xC0);
+    auto status = atecc_handler_init(0xC0, 1);
     if(status){
         std::cout << "atecc_handler_init Fail! ";
         std::cout << status << "\n";
@@ -120,7 +120,7 @@ int general_test(){
 
 
 int main(){
-    // write_atecc_config();
+    write_atecc_config();
     general_test();
 
     return 0;