Update Micro speech example for FVP (reduce core clock)

Reduce core clock from 200MHz to 32MHz which is still enough in order to process audio in real time. This speeds-up the simulation by 6*times!
spcaipers-arm · Sep 29, 2021 · cc015b4 · cc015b4
1 parent 8c89331
commit cc015b4
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diff --git a/Platform_FVP_Corstone_SSE-300_Ethos-U55/RTE/Compiler/EventRecorderConf.h b/Platform_FVP_Corstone_SSE-300_Ethos-U55/RTE/Compiler/EventRecorderConf.h
@@ -23,11 +23,11 @@
 //      <0=> DWT Cycle Counter  <1=> SysTick  <2=> CMSIS-RTOS2 System Timer
 //      <3=> User Timer (Normal Reset)  <4=> User Timer (Power-On Reset)
 //   <i>Selects source for 32-bit time stamp
-#define EVENT_TIMESTAMP_SOURCE  0
+#define EVENT_TIMESTAMP_SOURCE  2
 
 //   <o>Time Stamp Clock Frequency [Hz] <0-1000000000>
 //   <i>Defines initial time stamp clock frequency (0 when not used)
-#define EVENT_TIMESTAMP_FREQ    25000000U
+#define EVENT_TIMESTAMP_FREQ    0U
 
 // </h>
 

diff --git a/Platform_FVP_Corstone_SSE-300_Ethos-U55/debug.ini b/Platform_FVP_Corstone_SSE-300_Ethos-U55/debug.ini
@@ -1 +1 @@
-CORE_CLK=200000000
+CORE_CLK=32000000
diff --git a/Platform_FVP_Corstone_SSE-300_Ethos-U55/fvp_config.txt b/Platform_FVP_Corstone_SSE-300_Ethos-U55/fvp_config.txt
@@ -1,7 +1,7 @@
 # Parameters:
 # instance.parameter=value       #(type, mode) default = 'def value' : description : [min..max]
 #------------------------------------------------------------------------------
-cpu_core.core_clk.mul=200000000                                # (int   , init-time) default = '0x17d7840' : Clock Rate Multiplier. This parameter is not exposed via CADI and can only be set in LISA
+cpu_core.core_clk.mul=32000000                                 # (int   , init-time) default = '0x17d7840' : Clock Rate Multiplier. This parameter is not exposed via CADI and can only be set in LISA
 cpu_core.mps3_board.telnetterminal0.start_telnet=0             # (bool  , init-time) default = '1'      : Start telnet if nothing connected
 cpu_core.mps3_board.uart0.out_file=-                           # (string, init-time) default = ''       : Output file to hold data written by the UART (use '-' to send all output to stdout)
 cpu_core.mps3_board.visualisation.disable-visualisation=1      # (bool  , init-time) default = '0'      : Enable/disable visualisation

diff --git a/Platform_FVP_Corstone_SSE-300_Ethos-U55/run_example.cmd b/Platform_FVP_Corstone_SSE-300_Ethos-U55/run_example.cmd
@@ -1,2 +1,2 @@
 @echo off
-"C:\Program Files\ARM\VHT\models\Win64_VC2017\VHT-Corstone-300.exe" -V "..\VSI\audio\python" -f fvp_config.txt -a Objects\microspeech.axf --stat --cyclelimit 4000000000 %*
+"C:\Program Files\ARM\VHT\models\Win64_VC2017\VHT-Corstone-300.exe" -V "..\VSI\audio\python" -f fvp_config.txt -a Objects\microspeech.axf --stat --cyclelimit 768000000 %*
diff --git a/Platform_FVP_Corstone_SSE-300_Ethos-U55/run_example.sh b/Platform_FVP_Corstone_SSE-300_Ethos-U55/run_example.sh
@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-VHT-Corstone-300 -V "../VSI/audio/python" -f fvp_config.txt -a Objects/microspeech.axf --stat --cyclelimit 4000000000 $*
+VHT-Corstone-300 -V "../VSI/audio/python" -f fvp_config.txt -a Objects/microspeech.axf --stat --cyclelimit 768000000 $*