/unittests/periphery-lld/src/ut_alld_bq27500.c - Annotate - AMiRo-OS - Research for Cognitive Interaction

amiro-os / unittests / periphery-lld / src / ut_alld_bq27500.c @ d2931db9

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-            e545e620
+/*
 AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
-f0ce9e
+Copyright (C) 2016..2019  Thomas Schöpping et al.
-            e545e620
+            Thomas Schöpping
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include <ut_alld_bq27500.h>
 #if ((AMIROOS_CFG_TESTS_ENABLE == true) && defined(AMIROLLD_CFG_USE_BQ27500)) || defined(__DOXYGEN__)
 #include <string.h>
 #include <aos_debug.h>
 #include <chprintf.h>
 #include <aos_thread.h>
 #include <alld_bq27500.h>
-a5ea60
+// change saved unseal keys to test bruteforcing
 #ifdef BQ27500_UT_TEST_BRUTEFORCE
 #ifdef BQ27500_LLD_DEFAULT_UNSEAL_KEY0
 #undef BQ27500_LLD_DEFAULT_UNSEAL_KEY0
 #define BQ27500_LLD_DEFAULT_UNSEAL_KEY0 0x1234
 #endif
 #ifdef BQ27500_LLD_DEFAULT_UNSEAL_KEY1
 #undef BQ27500_LLD_DEFAULT_UNSEAL_KEY1
 #define BQ27500_LLD_DEFAULT_UNSEAL_KEY1 0x5678
 #endif
 #endif
 bq27500_lld_control_status_t _try_unseal(BQ27500Driver* driver, uint16_t key0, uint16_t key1, apalTime_t timeout) {
   uint16_t dst;
   bq27500_lld_control_status_t ctrl;
   bq27500_lld_send_ctnl_data(driver, key1, timeout);
   aosThdUSleep(1);
   bq27500_lld_send_ctnl_data(driver, key0, timeout);
   aosThdUSleep(1);
   bq27500_lld_sub_command_call(driver, BQ27500_LLD_SUB_CMD_CONTROL_STATUS, timeout);
   aosThdUSleep(1);
   bq27500_lld_std_command(driver, BQ27500_LLD_STD_CMD_Control, &dst, timeout);
   bq27500_lld_sub_command_read(driver, &ctrl.value, timeout);
   return ctrl;
+}
 uint8_t _bruteforce_sealed_key_bitflips(BaseSequentialStream* stream, BQ27500Driver* driver, uint16_t key0, uint16_t key1, apalTime_t timeout) {
   bq27500_lld_control_status_t ctrl;
   uint16_t k0;
   uint16_t k1 = key1;
   for (uint8_t i = 0; i < 16; i++) {
     k0 = key0 ^ (1 << i); // flip bit i
     ctrl = _try_unseal(driver, k0, k1, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", k0, k1);
       return 1;
+    }
+  }
   k0 = key0;
   for (uint8_t i = 0; i < 16; i++) {
     k1 = key1 ^ (1 << i); // flip bit i
     ctrl = _try_unseal(driver, k0, k1, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", k0, k1);
       return 1;
+    }
+  }
   return 0;
+}
 void _bruteforce_sealed_key(BaseSequentialStream* stream, BQ27500Driver* driver, apalTime_t timeout) {
   chprintf(stream, "start bruteforcing sealed keys...\n");
   bq27500_lld_control_status_t ctrl;
   uint16_t key0_reversed = 0x7236;
   uint16_t key1_reversed = 0x1404;
   uint16_t key0 = BQ27500_LLD_DEFAULT_UNSEAL_KEY0;
   uint16_t key1 = BQ27500_LLD_DEFAULT_UNSEAL_KEY1;
   uint16_t k0 = key0;
   uint16_t k1 = key1;
   // testing default keys in different orders
   chprintf(stream, "\ttry reversed byte order and different key order...\n");
   // default unseal keys
   ctrl = _try_unseal(driver, k0, k1, timeout);
   if (ctrl.content.ss == 0x0) {
     chprintf(stream, "\t\tSUCCESS!\n");
     chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", k0, k1);
     return;
+  }
   // default unseal keys in reversed order
   ctrl = _try_unseal(driver, k1, k0, timeout);
   if (ctrl.content.ss == 0x0) {
     chprintf(stream, "\t\tSUCCESS!\n");
     chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", k0, k1);
     return;
+  }
   // byte reversed keys
   k0 = key0_reversed;
   k1 = key1_reversed;
   ctrl = _try_unseal(driver, k0, k1, timeout);
   if (ctrl.content.ss == 0x0) {
     chprintf(stream, "\t\tSUCCESS!\n");
     chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", k0, k1);
     return;
+  }
   // byte reversed keys in reversed order
   ctrl = _try_unseal(driver, k1, k0, timeout);
   if (ctrl.content.ss == 0x0) {
     chprintf(stream, "\t\tSUCCESS!\n");
     chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", k0, k1);
     return;
+  }
   chprintf(stream, "\t\tfailed\n");
   // testing single bit flips of the default keys in different orders
   chprintf(stream, "\ttry single bit flips of default keys...\n");
   // default unseal keys
   uint8_t result = 0;
   result = _bruteforce_sealed_key_bitflips(stream, driver, key0, key1, timeout);
   if (result == 1) {
     return;
+  }
   // default unseal keys in reversed order
   result = _bruteforce_sealed_key_bitflips(stream, driver, key1, key0, timeout);
   if (result == 1) {
     return;
+  }
   // byte reversed keys
   result = _bruteforce_sealed_key_bitflips(stream, driver, key0_reversed, key1_reversed, timeout);
   if (result == 1) {
     return;
+  }
   // byte reversed keys in reversed order
   result = _bruteforce_sealed_key_bitflips(stream, driver, key1_reversed, key0_reversed, timeout);
   if (result == 1) {
     return;
+  }
   chprintf(stream, "\t\tfailed\n");
   // bruteforcing one of the keys, assuming only one of them was changed
   chprintf(stream, "\ttry bruteforcing a single key...\n");
   // default unseal key0
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, key0, i, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", key0, i);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 1/8\n");
   // reversed unseal key0
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, key0_reversed, i, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", key0_reversed, i);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 2/8\n");
   // default unseal key0 in reversed order
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, i, key0, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", i, key0);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 3/8\n");
   // reversed unseal key0 in reversed order
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, i, key0_reversed, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", i, key0_reversed);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 4/8\n");
   // default unseal key1
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, i, key1, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", i, key1);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 5/8\n");
   // reversed unseal key1
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, i, key1_reversed, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", i, key1_reversed);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 6/8\n");
   // default unseal key1 in reversed order
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, key1, i, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", key1, i);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 7/8\n");
   // reversed unseal key1 in reversed order
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     ctrl = _try_unseal(driver, key1_reversed, i, timeout);
     if (ctrl.content.ss == 0x0) {
       chprintf(stream, "\t\tSUCCESS!\n");
       chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", key1_reversed, i);
       return;
+    }
+  }
   chprintf(stream, "\t\tkey failed. 8/8\n");
   chprintf(stream, "\t\tfailed\n");
   // full bruteforce
   chprintf(stream, "\tbruteforcing both keys...\t");
   for (uint32_t i = 0; i <= 0xFFFF; i++) {
     chprintf(stream, "\t\ti: %u\n", i);
     for (uint32_t j = 0; j <= 0xFFFF; j++) {
       ctrl = _try_unseal(driver, i, j, timeout);
       if (ctrl.content.ss == 0x0) {
         chprintf(stream, "\t\tSUCCESS!\n");
         chprintf(stream, "\t\tkey0: 0x%X, key1: 0x%X\n", i, j);
         return;
+      }
+    }
+  }
   chprintf(stream, "\t\tfailed, no keys could be found");
+}
-            e545e620
+aos_utresult_t utAlldBq27500Func(BaseSequentialStream* stream, aos_unittest_t* ut)
+{
   aosDbgCheck(ut->data != NULL && ((ut_bq27500data_t*)(ut->data))->driver != NULL);
   // local variables
   aos_utresult_t result = {0, 0};
   uint32_t status;
   bq27500_lld_batlow_t bl;
   bq27500_lld_batgood_t bg;
   uint16_t dst;
   bq27500_lld_flags_t flags;
   uint16_t subdata = 0;
   uint8_t original_length;
   char original_name[8+1];
   uint8_t val = 0x00;
   uint8_t block[32];
   char new_name[] = "test";
   uint8_t new_lenght;
   char name[8+1] = {'\0'};
   uint8_t sum = 0;
   bool success;
   bool success2;
   chprintf(stream, "read battery low gpio...\n");
   status = bq27500_lld_read_batlow(((ut_bq27500data_t*)ut->data)->driver, &bl);
   chprintf(stream, "\t\tbattery low: 0x%X\n", bl);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "read battery good gpio...\n");
   status = bq27500_lld_read_batgood(((ut_bq27500data_t*)ut->data)->driver, &bg);
   chprintf(stream, "\t\tbattery good: 0x%X\n", bg);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "std command FLAGS...\n");
   status = bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Flags, &flags.value, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tflags: 0x%04X\n", flags.value);
   chprintf(stream, "\t\tbattery detected: 0x%X\n", flags.content.bat_det);
   chprintf(stream, "\t\tbattery fully charged: 0x%X\n", flags.content.fc);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "std command CTNL...\n");
   status = bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Control, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "sub command: CTRL Status...\n");
-a5ea60
+  aosThdUSleep(1);
-            e545e620
+  status = bq27500_lld_sub_command_call(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_SUB_CMD_CONTROL_STATUS, ((ut_bq27500data_t*)ut->data)->timeout);
-a5ea60
+  aosThdUSleep(1);
-            e545e620
+  status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Control, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
-a5ea60
+  aosThdUSleep(1);
-            e545e620
+  bq27500_lld_control_status_t ctrl;
   status |= bq27500_lld_sub_command_read(((ut_bq27500data_t*)ut->data)->driver, &ctrl.value, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tdst: 0x%X\n", ctrl.value);
   chprintf(stream, "\t\tsleep: 0x%X\n", ctrl.content.sleep);
   chprintf(stream, "\t\thibernate: 0x%X\n", ctrl.content.hibernate);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "sub command: firmware version...\n");
   status = bq27500_lld_sub_command_call(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_SUB_CMD_FW_VERSION, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(1);
   bq27500_lld_version_t version;
   status |= bq27500_lld_sub_command_read(((ut_bq27500data_t*)ut->data)->driver, &version.value, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tfirmware version: %X%X-%X%X\n", version.content.major_high, version.content.major_low, version.content.minor_high, version.content.minor_low);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "sub command: hardware version...\n");
   status = bq27500_lld_sub_command_call(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_SUB_CMD_HW_VERSION, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(1);
   status |= bq27500_lld_sub_command_read(((ut_bq27500data_t*)ut->data)->driver, &version.value, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\thardware version: %X%X-%X%X\n", version.content.major_high, version.content.major_low, version.content.minor_high, version.content.minor_low);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "ext command: device name length...\n");
   status = bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DeviceNameLength, BQ27500_LLD_EXT_CMD_READ, &original_length, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tdevice name length: %d \n", original_length);
   if (status == APAL_STATUS_SUCCESS && original_length <= 8) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
     original_length = 8;
+  }
   chprintf(stream, "ext command: device name (read)...\n");
   status = bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DeviceName, BQ27500_LLD_EXT_CMD_READ, (uint8_t*)original_name, original_length, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   original_name[original_length] = '\0';
   chprintf(stream, "\t\tdevice name: %s\n", original_name);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "battery info std commands...\n");
   status = bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Temperatur, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\ttemperature: %fK (%fC) \n", (float)dst/10.0f, (float)dst/10.0f-273.5f);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_FullAvailableCapacity, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tfull available capacity: %umAh \n", dst);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_FullChargeCapacity, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tfull charge capacity: %umAh \n", dst);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_RemainingCapacity, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tremaining capacity: %umAh \n", dst);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Voltage, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tvoltage: %umV \n", dst);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_AverageCurrent, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\taverage current: %dmA \n", (int8_t)dst);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_AveragePower, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\taverage power: %dmW \n", (int8_t)dst);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_TimeToFull, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   if (dst != (uint16_t)~0) {
     chprintf(stream, "\t\ttime to full: %umin \n", dst);
   } else {
     chprintf(stream, "\t\ttime to full: (not charging) \n", dst);
+  }
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_TimeToEmpty, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   if (dst != (uint16_t)~0) {
     chprintf(stream, "\t\ttime to empty: %umin \n", dst);
   } else {
     chprintf(stream, "\t\ttime to empty: (not discharging) \n", dst);
+  }
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "check sealed state...\n");
   status = bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Control, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   status |= bq27500_lld_sub_command_call(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_SUB_CMD_CONTROL_STATUS, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(1);
   status |= bq27500_lld_sub_command_read(((ut_bq27500data_t*)ut->data)->driver, &ctrl.value, ((ut_bq27500data_t*)ut->data)->timeout);
   chprintf(stream, "\t\tsealed: 0x%X\n", ctrl.content.ss);
   chprintf(stream, "\t\tfull access sealed: 0x%X\n", ctrl.content.fas);
   if (status == APAL_STATUS_SUCCESS) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "unseale...\n");
   status = bq27500_lld_send_ctnl_data(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_DEFAULT_UNSEAL_KEY1, ((ut_bq27500data_t*)ut->data)->timeout);
-a5ea60
+  aosThdMSleep(1);
-            e545e620
+  status |= bq27500_lld_send_ctnl_data(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_DEFAULT_UNSEAL_KEY0, ((ut_bq27500data_t*)ut->data)->timeout);
-a5ea60
+  aosThdMSleep(1);
-            e545e620
+  status |= bq27500_lld_sub_command_call(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_SUB_CMD_CONTROL_STATUS, ((ut_bq27500data_t*)ut->data)->timeout);
-a5ea60
+  aosThdMSleep(1);
-            e545e620
+  status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Control, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   status |= bq27500_lld_sub_command_read(((ut_bq27500data_t*)ut->data)->driver, &ctrl.value, ((ut_bq27500data_t*)ut->data)->timeout);
   if (status == APAL_STATUS_SUCCESS && ctrl.content.ss == 0x0) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
-a5ea60
+    _bruteforce_sealed_key(stream, ((ut_bq27500data_t*)ut->data)->driver, ((ut_bq27500data_t*)ut->data)->timeout);
-            e545e620
+            Thomas Schöpping
   chprintf(stream, "read device name from data flash...\n");
   status = bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockDataControl, BQ27500_LLD_EXT_CMD_WRITE, &val, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   val = 0x30;
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DataFlashClass, BQ27500_LLD_EXT_CMD_WRITE, &val, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   val = 0;
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DataFlashBlock, BQ27500_LLD_EXT_CMD_WRITE, &val, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockData, BQ27500_LLD_EXT_CMD_READ, (uint8_t*)block, original_length, 13, ((ut_bq27500data_t*)ut->data)->timeout);
   block[original_length] = '\0';
   chprintf(stream, "\t\tdevice name: %s\n", block);
   if (status == APAL_STATUS_SUCCESS && (strcmp((char*)block, (char*)original_name) == 0)) {
     aosUtPassed(stream, &result);
   } else {
     chprintf(stream, "\t\tread data: ");
     for (uint8_t blockIdx = 0; blockIdx < original_length; blockIdx++) {
       chprintf(stream, "0x%02X\n", block[blockIdx]);
+    }
     aosUtFailedMsg(stream, &result, "0x%08X\n", status);
+  }
   chprintf(stream, "change device name in data flash to \"test\"...\n");
   status = bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockData, BQ27500_LLD_EXT_CMD_WRITE, (uint8_t*)new_name, 5, 13, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockData, BQ27500_LLD_EXT_CMD_READ, (uint8_t*)block, 32, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   // compute blockdata checksum
   status |= bq27500_lld_compute_blockdata_checksum(block, &sum);
   // write checksum to BlockDataChecksum, triggering the write of BlackData
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockDataCheckSum, BQ27500_LLD_EXT_CMD_WRITE, &sum, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DeviceNameLength, BQ27500_LLD_EXT_CMD_READ, &new_lenght, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   // read out device name, to see if changing it was successfull
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DeviceName, BQ27500_LLD_EXT_CMD_READ, (uint8_t*)name, new_lenght, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   name[new_lenght] = '\0';
   chprintf(stream, "\t\tdevice name: %s\n", name);
   success = (strcmp(name, new_name) == 0);
   // change device name back to original name
   val = 0x00;
   status = bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockDataControl, BQ27500_LLD_EXT_CMD_WRITE, &val, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   val = 0x30;
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DataFlashClass, BQ27500_LLD_EXT_CMD_WRITE, &val, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   val = 0;
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DataFlashBlock, BQ27500_LLD_EXT_CMD_WRITE, &val, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockData, BQ27500_LLD_EXT_CMD_WRITE, (uint8_t*)original_name, 7, 13, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockData, BQ27500_LLD_EXT_CMD_READ, (uint8_t*)block, 32, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   // compute blockdata checksum
   sum = 0;
   status |= bq27500_lld_compute_blockdata_checksum(block, &sum);
   // write checksum to BlockDataChecksum, triggering the write of BlackData
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_BlockDataCheckSum, BQ27500_LLD_EXT_CMD_WRITE, &sum, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(1000);
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DeviceNameLength, BQ27500_LLD_EXT_CMD_READ, &original_length, 1, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   // read device name, to see if changing it back to the original name was successfull
   status |= bq27500_lld_ext_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_EXT_CMD_DeviceName, BQ27500_LLD_EXT_CMD_READ, (uint8_t*)name, original_length, 0, ((ut_bq27500data_t*)ut->data)->timeout);
   success2 = (strcmp(name, original_name) == 0);
   name[original_length] = '\0';
   chprintf(stream, "\t\tchanged back to name: %s, original_name: %s\n", name, original_name);
   if (status == APAL_STATUS_OK && ((success && success2) || (ctrl.content.sleep == 0))) {
     aosUtPassed(stream, &result);
   } else {
     aosUtFailedMsg(stream, &result, "0x%08X, changing: 0x%X - changing back: 0x%X\n", status, success, success2);
+  }
   chprintf(stream, "seal...\n");
   status = bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Control, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_sub_command_call(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_SUB_CMD_SEALED, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_std_command(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_STD_CMD_Control, &dst, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_sub_command_call(((ut_bq27500data_t*)ut->data)->driver, BQ27500_LLD_SUB_CMD_CONTROL_STATUS, ((ut_bq27500data_t*)ut->data)->timeout);
   aosThdMSleep(50);
   status |= bq27500_lld_sub_command_read(((ut_bq27500data_t*)ut->data)->driver, &ctrl.value, ((ut_bq27500data_t*)ut->data)->timeout);
   if (status == APAL_STATUS_SUCCESS && ctrl.content.ss == 0x1) {
     aosUtPassed(stream, &result);
   } else {
     chprintf(stream, "\tfailed (0x%X)\n", status);
     aosUtFailedMsg(stream, &result, "0x%08X, ctrl 0x%X\n", status, subdata);
     ++result.failed;
+  }
   aosUtInfoMsg(stream,"driver object memory footprint: %u bytes\n", sizeof(BQ27500Driver));
   return result;
+}
 #endif /* (AMIROOS_CFG_TESTS_ENABLE == true) && defined(AMIROLLD_CFG_USE_BQ27500) */