From 89e92a2fe1699880d6df7725015fd13d11e9af5f Mon Sep 17 00:00:00 2001
From: lyon1998 <liang6516@outlook.com>
Date: Thu, 10 Feb 2022 20:27:12 +0800
Subject: [PATCH] add __run_demo.sh

---
 port/qemu/__run_demo.sh            | 30 +++++++++++++++++++++++++++++
 port/qemu/demos/printf_demo/main.c | 25 +++++++++++++++++++-----
 port/qemu/demos/systick/main.c     |  1 +
 port/qemu/run.sh                   | 31 +-----------------------------
 4 files changed, 52 insertions(+), 35 deletions(-)
 create mode 100644 port/qemu/__run_demo.sh

diff --git a/port/qemu/__run_demo.sh b/port/qemu/__run_demo.sh
new file mode 100644
index 000000000..12dd237b4
--- /dev/null
+++ b/port/qemu/__run_demo.sh
@@ -0,0 +1,30 @@
+# config
+OUT_NAME=result.txt
+
+# clear
+rm $OUT_NAME
+
+# make the project
+make clean >/dev/null
+make $1_ALL >/dev/null
+
+# launch qemu service
+make $1_QEMURUN_TEL > qemu.out 2>&1 & echo $! > qemu.pid
+sleep 1
+# launch netcat client
+nc -d 0.0.0.0 7777 > $OUT_NAME 2>&1 & echo $! > nc.pid
+sleep 1
+
+# kill the processes
+kill `cat nc.pid`
+kill `cat qemu.pid`
+rm nc.pid
+rm qemu.pid 
+rm qemu.out
+
+# print the result
+echo ======================================
+echo [info]: qemu benchmark output
+echo --------------------------------------
+cat $OUT_NAME
+echo ======================================
diff --git a/port/qemu/demos/printf_demo/main.c b/port/qemu/demos/printf_demo/main.c
index 6af3764da..08bc05a9f 100644
--- a/port/qemu/demos/printf_demo/main.c
+++ b/port/qemu/demos/printf_demo/main.c
@@ -11,7 +11,7 @@ void sleep() {
 /* redirect printf to myprintf */
 #define printf myprintf
 
-static void prime_number_100_c() {
+static void prime_number_100_c(void) {
     int num = 0;
     num = 0;
     /* run */
@@ -32,6 +32,22 @@ static void prime_number_100_c() {
     }
 }
 
+void systick_init(void) {
+    uint32_t hclk_ticks_per_sec, ext_clock_ticks_per_sec;
+    hclk_ticks_per_sec = SystemCoreClock;
+    ext_clock_ticks_per_sec = hclk_ticks_per_sec / 8;
+    if (SysTick_Config(ext_clock_ticks_per_sec)) {
+        /* If SysTick_Config returns 1, that means the number ticks exceeds the
+         * limit. */
+        while (1)
+            ;
+    }
+}
+
+void SysTick_Handler(void) {
+    GPIOC->ODR ^= 0x00001000;
+}
+
 int main(void) {
     uint8_t b;
     int32_t num1 = 0x1234;
@@ -40,9 +56,8 @@ int main(void) {
 
     // first init myprintf device(usart2)
     myprintf_init();
+    systick_init();
+    uint32_t tic = SysTick->VAL;
     prime_number_100_c();
-    while (1) {
-        myprintf("test num %d=0x%x str %s ch %c\n", num1, num1, str1, ch1);
-        sleep();
-    }
+    myprintf("SysTick spend: %d\n", tic - (uint32_t)SysTick->VAL);
 }
diff --git a/port/qemu/demos/systick/main.c b/port/qemu/demos/systick/main.c
index dba0e5f45..7f343258e 100644
--- a/port/qemu/demos/systick/main.c
+++ b/port/qemu/demos/systick/main.c
@@ -36,5 +36,6 @@ int main(void) {
     last_button_state = GPIOA->IDR & 0x00000001;
     while (1) {
         SysTick->CTRL ^= SysTick_CTRL_CLKSOURCE_Msk;
+        SysTick->VAL;
     }
 }
diff --git a/port/qemu/run.sh b/port/qemu/run.sh
index 725d390ca..0e8b4bff5 100644
--- a/port/qemu/run.sh
+++ b/port/qemu/run.sh
@@ -1,30 +1 @@
-# config
-OUT_NAME=result.txt
-
-# clear
-rm $OUT_NAME
-
-# make the project
-make clean
-make printf_demo_ALL
-
-# launch qemu service
-make printf_demo_QEMURUN_TEL > qemu.out 2>&1 & echo $! > qemu.pid
-sleep 1
-# launch netcat client
-nc -d 0.0.0.0 7777 > $OUT_NAME 2>&1 & echo $! > nc.pid
-sleep 1
-
-# kill the processes
-kill `cat nc.pid`
-kill `cat qemu.pid`
-rm nc.pid
-rm qemu.pid 
-rm qemu.out
-
-# print the result
-echo ======================================
-echo [info]: qemu benchmark output
-echo --------------------------------------
-cat $OUT_NAME
-echo ======================================
+sh __run_demo.sh printf_demo