diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/timer_mps3.c b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/timer_mps3.c
index a72103c..c0c3bdf 100644
--- a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/timer_mps3.c
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/timer_mps3.c
@@ -41,12 +41,11 @@
         .counter_fpga       = MPS3_FPGAIO->COUNTER,
         .counter_systick    = Get_SysTick_Cycle_Count()
     };
-    debug("Timestamp:"
-        "\n\tCounter 1 Hz:   %" PRIu32
-        "\n\tCounter 100 Hz: %" PRIu32
-        "\n\tCounter FPGA:   %" PRIu32
-        "\n\tCounter CPU:    %" PRIu64 "\n",
-        t.counter_1Hz, t.counter_100Hz, t.counter_fpga, t.counter_systick);
+    debug("Timestamp:\n");
+    debug("\tCounter 1 Hz:   %" PRIu32 "\n", t.counter_1Hz);
+    debug("\tCounter 100 Hz: %" PRIu32 "\n", t.counter_100Hz);
+    debug("\tCounter FPGA:   %" PRIu32 "\n", t.counter_fpga);
+    debug("\tCounter CPU:    %" PRIu64 "\n", t.counter_systick);
     return t;
 }
 
diff --git a/source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c b/source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c
index 7c9f4b8..7d8aa06 100644
--- a/source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c
+++ b/source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c
@@ -71,7 +71,8 @@
 
 #define DEFAULT_HANDLER_CALL(type)              \
     do {                                        \
-        printf("\n%s caught by function %s\n",  \
+        printf("\n");                           \
+        printf("%s caught by function %s\n",    \
              type, __FUNCTION__);               \
         DefaultHandler();                       \
     } while (0)
@@ -238,6 +239,11 @@
     /* Enable interrupt again. */
     NVIC_EnableIRQ(SysTick_IRQn);
 
+    /* Wait for SysTick to kick off */
+    while (!err && !SysTick->VAL) {
+        __NOP();
+    }
+
     return err;
 }
 
diff --git a/source/application/main/Mfcc.cc b/source/application/main/Mfcc.cc
index c998ef2..2d697ee 100644
--- a/source/application/main/Mfcc.cc
+++ b/source/application/main/Mfcc.cc
@@ -45,22 +45,17 @@
                         m_useHtkMethod(useHtkMethod)
     {}
 
-    std::string MfccParams::Str() const
+    void MfccParams::Log() const
     {
-        char strC[1024];
-        snprintf(strC, sizeof(strC) - 1, "\n   \
-            \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 Number of MFCC features:    %" PRIu32 "\
-            \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_numMfccFeatures, this->m_frameLen,
-            this->m_frameLenPadded, this->m_useHtkMethod ? "yes" : "no");
-        return std::string{strC};
+        debug("MFCC parameters:\n");
+        debug("\t Sampling frequency:         %f\n", this->m_samplingFreq);
+        debug("\t Number of filter banks:     %" PRIu32 "\n", this->m_numFbankBins);
+        debug("\t Mel frequency limit (low):  %f\n", this->m_melLoFreq);
+        debug("\t Mel frequency limit (high): %f\n", this->m_melHiFreq);
+        debug("\t Number of MFCC features:    %" PRIu32 "\n", this->m_numMfccFeatures);
+        debug("\t Frame length:               %" PRIu32 "\n", this->m_frameLen);
+        debug("\t Padded frame length:        %" PRIu32 "\n", this->m_frameLenPadded);
+        debug("\t Using HTK for Mel scale:    %s\n", this->m_useHtkMethod ? "yes" : "no");
     }
 
     MFCC::MFCC(const MfccParams& params):
@@ -84,7 +79,7 @@
         }
 
         math::MathUtils::FftInitF32(this->m_params.m_frameLenPadded, this->m_fftInstance);
-        debug("Instantiated MFCC object: %s\n", this->m_params.Str().c_str());
+        this->m_params.Log();
     }
 
     void MFCC::Init()
diff --git a/source/application/main/include/Mfcc.hpp b/source/application/main/include/Mfcc.hpp
index 6b11ebb..86330ca 100644
--- a/source/application/main/include/Mfcc.hpp
+++ b/source/application/main/include/Mfcc.hpp
@@ -51,8 +51,8 @@
 
         ~MfccParams() = default;
 
-        /** @brief  String representation of parameters */
-        std::string Str() const;
+        /** @brief  Log parameters */
+        void Log() const;
     };
 
     /**