diff --git a/source/use_case/ad/src/MelSpectrogram.cc b/source/use_case/ad/src/MelSpectrogram.cc
index 372ebd8..f1752e1 100644
--- a/source/use_case/ad/src/MelSpectrogram.cc
+++ b/source/use_case/ad/src/MelSpectrogram.cc
@@ -19,6 +19,7 @@
 #include "PlatformMath.hpp"
 
 #include <cfloat>
+#include <inttypes.h>
 
 namespace arm {
 namespace app {
@@ -46,16 +47,16 @@
     {
         char strC[1024];
         snprintf(strC, sizeof(strC) - 1, "\n   \
-    \n\t Sampling frequency:         %f\
-    \n\t Number of filter banks:     %u\
-    \n\t Mel frequency limit (low):  %f\
-    \n\t Mel frequency limit (high): %f\
-    \n\t Frame length:               %u\
-    \n\t Padded frame length:        %u\
-    \n\t Using HTK for Mel scale:    %s\n",
-                 this->m_samplingFreq, this->m_numFbankBins, this->m_melLoFreq,
-                 this->m_melHiFreq, this->m_frameLen,
-                 this->m_frameLenPadded, this->m_useHtkMethod ? "yes" : "no");
+            \n\t Sampling frequency:         %f\
+            \n\t Number of filter banks:     %" PRIu32 "\
+            \n\t Mel frequency limit (low):  %f\
+            \n\t Mel frequency limit (high): %f\
+            \n\t Frame length:               %" PRIu32 "\
+            \n\t Padded frame length:        %" PRIu32 "\
+            \n\t Using HTK for Mel scale:    %s\n",
+            this->m_samplingFreq, this->m_numFbankBins, this->m_melLoFreq,
+            this->m_melHiFreq, this->m_frameLen,
+            this->m_frameLenPadded, this->m_useHtkMethod ? "yes" : "no");
         return std::string{strC};
     }
 
diff --git a/source/use_case/ad/src/UseCaseHandler.cc b/source/use_case/ad/src/UseCaseHandler.cc
index e99821f..233b0f4 100644
--- a/source/use_case/ad/src/UseCaseHandler.cc
+++ b/source/use_case/ad/src/UseCaseHandler.cc
@@ -167,7 +167,7 @@
             platform.data_psn->present_data_text(
                     str_inf.c_str(), str_inf.size(),
                     dataPsnTxtInfStartX, dataPsnTxtInfStartY, 0);
-            info("Running inference on audio clip %u => %s\n", currentIndex, get_filename(currentIndex));
+            info("Running inference on audio clip %" PRIu32 " => %s\n", currentIndex, get_filename(currentIndex));
 
             /* Start sliding through audio clip. */
             while (audioDataSlider.HasNext()) {
@@ -246,7 +246,7 @@
     static bool SetAppCtxClipIdx(ApplicationContext& ctx, uint32_t idx)
     {
         if (idx >= NUMBER_OF_FILES) {
-            printf_err("Invalid idx %u (expected less than %u)\n",
+            printf_err("Invalid idx %" PRIu32 " (expected less than %u)\n",
                        idx, NUMBER_OF_FILES);
             return false;
         }
diff --git a/source/use_case/asr/src/AsrClassifier.cc b/source/use_case/asr/src/AsrClassifier.cc
index df26a7f..c18bd88 100644
--- a/source/use_case/asr/src/AsrClassifier.cc
+++ b/source/use_case/asr/src/AsrClassifier.cc
@@ -91,7 +91,7 @@
             printf_err("Output tensor expected to be %dD\n", minTensorDims);
             return false;
         } else if (static_cast<uint32_t>(outputTensor->dims->data[outColsIdx]) < topNCount) {
-            printf_err("Output vectors are smaller than %u\n", topNCount);
+            printf_err("Output vectors are smaller than %" PRIu32 "\n", topNCount);
             return false;
         } else if (static_cast<uint32_t>(outputTensor->dims->data[outColsIdx]) != labels.size()) {
             printf("Output size doesn't match the labels' size\n");
diff --git a/source/use_case/asr/src/MainLoop.cc b/source/use_case/asr/src/MainLoop.cc
index c5a26a4..9950541 100644
--- a/source/use_case/asr/src/MainLoop.cc
+++ b/source/use_case/asr/src/MainLoop.cc
@@ -208,7 +208,7 @@
     /* Check to make sure that the input tensor supports the above
      * context and inner lengths. */
     if (inputRows <= 2 * inputCtxLen || inputRows <= inputInnerLen) {
-        printf_err("Input rows not compatible with ctx of %u\n",
+        printf_err("Input rows not compatible with ctx of %" PRIu32 "\n",
             inputCtxLen);
         return 0;
     }
diff --git a/source/use_case/asr/src/UseCaseHandler.cc b/source/use_case/asr/src/UseCaseHandler.cc
index 7199785..43b17dc 100644
--- a/source/use_case/asr/src/UseCaseHandler.cc
+++ b/source/use_case/asr/src/UseCaseHandler.cc
@@ -131,7 +131,8 @@
 
             /* Audio clip must have enough samples to produce 1 MFCC feature. */
             if (audioArrSize < mfccParamsWinLen) {
-                printf_err("Not enough audio samples, minimum needed is %u\n", mfccParamsWinLen);
+                printf_err("Not enough audio samples, minimum needed is %" PRIu32 "\n",
+                    mfccParamsWinLen);
                 return false;
             }
 
@@ -151,7 +152,7 @@
                                 str_inf.c_str(), str_inf.size(),
                                 dataPsnTxtInfStartX, dataPsnTxtInfStartY, 0);
 
-            info("Running inference on audio clip %u => %s\n", currentIndex,
+            info("Running inference on audio clip %" PRIu32 " => %s\n", currentIndex,
                  get_filename(currentIndex));
 
             size_t inferenceWindowLen = audioParamsWinLen;
@@ -237,7 +238,7 @@
     static bool SetAppCtxClipIdx(ApplicationContext& ctx, uint32_t idx)
     {
         if (idx >= NUMBER_OF_FILES) {
-            printf_err("Invalid idx %u (expected less than %u)\n",
+            printf_err("Invalid idx %" PRIu32 " (expected less than %u)\n",
                        idx, NUMBER_OF_FILES);
             return false;
         }
@@ -269,7 +270,7 @@
         for (const auto & result : results) {
             std::string infResultStr = audio::asr::DecodeOutput(result.m_resultVec);
 
-            info("For timestamp: %f (inference #: %u); label: %s\n",
+            info("For timestamp: %f (inference #: %" PRIu32 "); label: %s\n",
                  result.m_timeStamp, result.m_inferenceNumber,
                  infResultStr.c_str());
         }
diff --git a/source/use_case/asr/src/Wav2LetterPostprocess.cc b/source/use_case/asr/src/Wav2LetterPostprocess.cc
index 9157a6f..b1bcdc8 100644
--- a/source/use_case/asr/src/Wav2LetterPostprocess.cc
+++ b/source/use_case/asr/src/Wav2LetterPostprocess.cc
@@ -69,7 +69,7 @@
                                                   tensor->dims->data[arm::app::Wav2LetterModel::ms_outputRowsIdx],
                                                   lastIteration);
             default:
-                printf_err("Unsupported axis index: %u\n", axisIdx);
+                printf_err("Unsupported axis index: %" PRIu32 "\n", axisIdx);
         }
 
         return false;
@@ -83,7 +83,7 @@
         }
 
         if (static_cast<int>(axisIdx) >= tensor->dims->size) {
-            printf_err("Invalid axis index: %u; Max: %d\n",
+            printf_err("Invalid axis index: %" PRIu32 "; Max: %d\n",
                 axisIdx, tensor->dims->size);
             return false;
         }
diff --git a/source/use_case/img_class/src/UseCaseHandler.cc b/source/use_case/img_class/src/UseCaseHandler.cc
index 22e6ba0..fa77512 100644
--- a/source/use_case/img_class/src/UseCaseHandler.cc
+++ b/source/use_case/img_class/src/UseCaseHandler.cc
@@ -22,6 +22,8 @@
 #include "UseCaseCommonUtils.hpp"
 #include "hal.h"
 
+#include <inttypes.h>
+
 using ImgClassClassifier = arm::app::Classifier;
 
 namespace arm {
@@ -142,7 +144,7 @@
                                     dataPsnTxtInfStartX, dataPsnTxtInfStartY, 0);
 
             /* Run inference over this image. */
-            info("Running inference on image %u => %s\n", ctx.Get<uint32_t>("imgIndex"),
+            info("Running inference on image %" PRIu32 " => %s\n", ctx.Get<uint32_t>("imgIndex"),
                 get_filename(ctx.Get<uint32_t>("imgIndex")));
 
             if (!RunInference(model, profiler)) {
@@ -185,13 +187,13 @@
                               inputTensor->bytes : IMAGE_DATA_SIZE;
         const uint8_t* imgSrc = get_img_array(imIdx);
         if (nullptr == imgSrc) {
-            printf_err("Failed to get image index %u (max: %u)\n", imIdx,
+            printf_err("Failed to get image index %" PRIu32 " (max: %u)\n", imIdx,
                        NUMBER_OF_FILES - 1);
             return false;
         }
 
         memcpy(inputTensor->data.data, imgSrc, copySz);
-        debug("Image %u loaded\n", imIdx);
+        debug("Image %" PRIu32 " loaded\n", imIdx);
         return true;
     }
 
@@ -210,7 +212,7 @@
     static bool SetAppCtxImageIdx(ApplicationContext& ctx, uint32_t idx)
     {
         if (idx >= NUMBER_OF_FILES) {
-            printf_err("Invalid idx %u (expected less than %u)\n",
+            printf_err("Invalid idx %" PRIu32 " (expected less than %u)\n",
                        idx, NUMBER_OF_FILES);
             return false;
         }
@@ -254,8 +256,9 @@
                                         dataPsnTxtStartX2, rowIdx2, 0);
             rowIdx2 += dataPsnTxtYIncr;
 
-            info("%u) %u (%f) -> %s\n", i, results[i].m_labelIdx,
-                 results[i].m_normalisedVal, results[i].m_label.c_str());
+            info("%" PRIu32 ") %" PRIu32 " (%f) -> %s\n", i,
+                results[i].m_labelIdx, results[i].m_normalisedVal,
+                results[i].m_label.c_str());
         }
 
         return true;
diff --git a/source/use_case/kws/src/UseCaseHandler.cc b/source/use_case/kws/src/UseCaseHandler.cc
index d61985d..eaf53c1 100644
--- a/source/use_case/kws/src/UseCaseHandler.cc
+++ b/source/use_case/kws/src/UseCaseHandler.cc
@@ -187,7 +187,7 @@
             platform.data_psn->present_data_text(
                                 str_inf.c_str(), str_inf.size(),
                                 dataPsnTxtInfStartX, dataPsnTxtInfStartY, 0);
-            info("Running inference on audio clip %u => %s\n", currentIndex,
+            info("Running inference on audio clip %" PRIu32 " => %s\n", currentIndex,
                  get_filename(currentIndex));
 
             /* Start sliding through audio clip. */
@@ -270,7 +270,7 @@
     static bool SetAppCtxClipIdx(ApplicationContext& ctx, uint32_t idx)
     {
         if (idx >= NUMBER_OF_FILES) {
-            printf_err("Invalid idx %u (expected less than %u)\n",
+            printf_err("Invalid idx %" PRIu32 " (expected less than %u)\n",
                        idx, NUMBER_OF_FILES);
             return false;
         }
@@ -313,13 +313,15 @@
             rowIdx1 += dataPsnTxtYIncr;
 
             if (results[i].m_resultVec.empty()) {
-                info("For timestamp: %f (inference #: %u); label: %s; threshold: %f\n",
+                info("For timestamp: %f (inference #: %" PRIu32
+                     "); label: %s; threshold: %f\n",
                      results[i].m_timeStamp, results[i].m_inferenceNumber,
                      topKeyword.c_str(),
                      results[i].m_threshold);
             } else {
                 for (uint32_t j = 0; j < results[i].m_resultVec.size(); ++j) {
-                    info("For timestamp: %f (inference #: %u); label: %s, score: %f; threshold: %f\n",
+                    info("For timestamp: %f (inference #: %" PRIu32
+                         "); label: %s, score: %f; threshold: %f\n",
                          results[i].m_timeStamp,
                          results[i].m_inferenceNumber,
                          results[i].m_resultVec[j].m_label.c_str(),
diff --git a/source/use_case/kws_asr/src/AsrClassifier.cc b/source/use_case/kws_asr/src/AsrClassifier.cc
index f1fa6f1..57d5058 100644
--- a/source/use_case/kws_asr/src/AsrClassifier.cc
+++ b/source/use_case/kws_asr/src/AsrClassifier.cc
@@ -91,7 +91,7 @@
             printf_err("Output tensor expected to be 3D (1, m, n)\n");
             return false;
         } else if (static_cast<uint32_t>(outputTensor->dims->data[outColsIdx]) < topNCount) {
-            printf_err("Output vectors are smaller than %u\n", topNCount);
+            printf_err("Output vectors are smaller than %" PRIu32 "\n", topNCount);
             return false;
         } else if (static_cast<uint32_t>(outputTensor->dims->data[outColsIdx]) != labels.size()) {
             printf("Output size doesn't match the labels' size\n");
diff --git a/source/use_case/kws_asr/src/MainLoop.cc b/source/use_case/kws_asr/src/MainLoop.cc
index 95e5a8f..631b7c1 100644
--- a/source/use_case/kws_asr/src/MainLoop.cc
+++ b/source/use_case/kws_asr/src/MainLoop.cc
@@ -212,7 +212,7 @@
 
     /* Check to make sure that the input tensor supports the above context and inner lengths. */
     if (inputRows <= 2 * inputCtxLen || inputRows <= inputInnerLen) {
-        printf_err("Input rows not compatible with ctx of %u\n",
+        printf_err("Input rows not compatible with ctx of %" PRIu32 "\n",
                    inputCtxLen);
         return 0;
     }
diff --git a/source/use_case/kws_asr/src/UseCaseHandler.cc b/source/use_case/kws_asr/src/UseCaseHandler.cc
index 7025d6d..0560e88 100644
--- a/source/use_case/kws_asr/src/UseCaseHandler.cc
+++ b/source/use_case/kws_asr/src/UseCaseHandler.cc
@@ -159,7 +159,7 @@
          * this means an overlap of 0.5 seconds. */
         auto kwsAudioDataStride = kwsAudioDataWindowSize / 2;
 
-        info("KWS audio data window size %u\n", kwsAudioDataWindowSize);
+        info("KWS audio data window size %" PRIu32 "\n", kwsAudioDataWindowSize);
 
         /* Stride must be multiple of mfcc features window stride to re-use features. */
         if (0 != kwsAudioDataStride % kwsMfccWindowStride) {
@@ -208,7 +208,7 @@
                             str_inf.c_str(), str_inf.size(),
                             dataPsnTxtInfStartX, dataPsnTxtInfStartY, false);
 
-        info("Running KWS inference on audio clip %u => %s\n",
+        info("Running KWS inference on audio clip %" PRIu32 " => %s\n",
              currentIndex, get_filename(currentIndex));
 
         /* Start sliding through audio clip. */
@@ -329,7 +329,8 @@
 
         /* Make sure the input tensor supports the above context and inner lengths. */
         if (asrInputRows <= 2 * asrInputCtxLen || asrInputRows <= asrInputInnerLen) {
-            printf_err("ASR input rows not compatible with ctx length %u\n", asrInputCtxLen);
+            printf_err("ASR input rows not compatible with ctx length %" PRIu32 "\n",
+                asrInputCtxLen);
             return false;
         }
 
@@ -354,7 +355,8 @@
         /* Audio clip must have enough samples to produce 1 MFCC feature. */
         std::vector<int16_t> audioBuffer = std::vector<int16_t>(audioArr, audioArr + audioArrSize);
         if (audioArrSize < asrMfccParamsWinLen) {
-            printf_err("Not enough audio samples, minimum needed is %u\n", asrMfccParamsWinLen);
+            printf_err("Not enough audio samples, minimum needed is %" PRIu32 "\n",
+                asrMfccParamsWinLen);
             return false;
         }
 
@@ -485,7 +487,7 @@
     static bool SetAppCtxClipIdx(ApplicationContext& ctx, uint32_t idx)
     {
         if (idx >= NUMBER_OF_FILES) {
-            printf_err("Invalid idx %u (expected less than %u)\n",
+            printf_err("Invalid idx %" PRIu32 " (expected less than %u)\n",
                 idx, NUMBER_OF_FILES);
             return false;
         }
@@ -525,11 +527,11 @@
                         dataPsnTxtStartX1, rowIdx1, 0);
             rowIdx1 += dataPsnTxtYIncr;
 
-            info("For timestamp: %f (inference #: %u); threshold: %f\n",
+            info("For timestamp: %f (inference #: %" PRIu32 "); threshold: %f\n",
                  results[i].m_timeStamp, results[i].m_inferenceNumber,
                  results[i].m_threshold);
             for (uint32_t j = 0; j < results[i].m_resultVec.size(); ++j) {
-                info("\t\tlabel @ %u: %s, score: %f\n", j,
+                info("\t\tlabel @ %" PRIu32 ": %s, score: %f\n", j,
                      results[i].m_resultVec[j].m_label.c_str(),
                      results[i].m_resultVec[j].m_normalisedVal);
             }
@@ -558,7 +560,7 @@
             /* Get the final result string using the decoder. */
             std::string infResultStr = audio::asr::DecodeOutput(result.m_resultVec);
 
-            info("Result for inf %u: %s\n", result.m_inferenceNumber,
+            info("Result for inf %" PRIu32 ": %s\n", result.m_inferenceNumber,
                  infResultStr.c_str());
         }
 
diff --git a/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc b/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
index ee3aba0..e3c0c20 100644
--- a/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
+++ b/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
@@ -63,7 +63,7 @@
                                                   tensor->dims->data[arm::app::Wav2LetterModel::ms_outputColsIdx],
                                                   lastIteration);
             default:
-                printf_err("Unsupported axis index: %u\n", axisIdx);
+                printf_err("Unsupported axis index: %" PRIu32 "\n", axisIdx);
         }
 
         return false;
@@ -77,7 +77,7 @@
         }
 
         if (static_cast<int>(axisIdx) >= tensor->dims->size) {
-            printf_err("Invalid axis index: %u; Max: %d\n",
+            printf_err("Invalid axis index: %" PRIu32 "; Max: %d\n",
                 axisIdx, tensor->dims->size);
             return false;
         }
diff --git a/source/use_case/kws_asr/usecase.cmake b/source/use_case/kws_asr/usecase.cmake
index d8ac897..3eb61e5 100644
--- a/source/use_case/kws_asr/usecase.cmake
+++ b/source/use_case/kws_asr/usecase.cmake
@@ -15,20 +15,6 @@
 #  limitations under the License.
 #----------------------------------------------------------------------------
 
-# If the path to a directory or source file has been defined,
-# get the type here (FILEPATH or PATH):
-#if (DEFINED ${use_case}_FILE_PATH)
-#    get_path_type(${${use_case}_FILE_PATH} PATH_TYPE)
-#
-#    # Set the default type if path is not a dir or file path (or undefined)
-#    if (NOT ${PATH_TYPE} STREQUAL PATH AND NOT ${PATH_TYPE} STREQUAL FILEPATH)
-#        message(FATAL_ERROR "Invalid ${use_case}_FILE_PATH. It should be a dir or file path.")
-#    endif()
-#else()
-#    # Default is a directory path
-#    set(PATH_TYPE PATH)
-#endif()
-
 USER_OPTION(${use_case}_FILE_PATH "Directory with WAV files, or path to a single WAV file, to use in the evaluation application."
     ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
     PATH_OR_FILE)