有时能正常读取心率和血氧，有时数据是错的，比如心率会掉到40，血氧掉到80，需要跟进问题

Debug/SW_APPs/APP_blood.d

@@ -27,7 +27,8 @@ SW_APPs/APP_blood.o: ../SW_APPs/APP_blood.c ../SW_APPs/APP_blood.h \
  ../SW_APPs/windows.h \
  /Users/wuwenfeng/STM32CubeIDE/workspace_1.7.0/m3s/HW_Devices/lcd.h \
  /Users/wuwenfeng/STM32CubeIDE/workspace_1.7.0/m3s/HW_Devices/LCD.h \
- /Users/wuwenfeng/STM32CubeIDE/workspace_1.7.0/m3s/HW_Devices/iic.h
+ /Users/wuwenfeng/STM32CubeIDE/workspace_1.7.0/m3s/HW_Devices/iic.h \
+ ../SW_APPs/FFT.h
 
 ../SW_APPs/APP_blood.h:
 
@@ -90,3 +91,5 @@ SW_APPs/APP_blood.o: ../SW_APPs/APP_blood.c ../SW_APPs/APP_blood.h \
 /Users/wuwenfeng/STM32CubeIDE/workspace_1.7.0/m3s/HW_Devices/LCD.h:
 
 /Users/wuwenfeng/STM32CubeIDE/workspace_1.7.0/m3s/HW_Devices/iic.h:
+
+../SW_APPs/FFT.h:

Debug/SW_APPs/APP_blood.su

@@ -1,5 +1,14 @@
-APP_blood.c:14:9:Max30102_reset	16	static
-APP_blood.c:20:6:MAX30102_Config	16	static
-APP_blood.c:43:6:max30102_read_fifo	16	static
-APP_blood.c:89:6:APP_blood_init	16	static
-APP_blood.c:98:6:APP_blood_loop	16	static
+APP_blood.c:18:9:Max30102_reset	16	static
+APP_blood.c:24:6:MAX30102_Config	16	static
+APP_blood.c:47:6:max30102_read_fifo	16	static
+APP_blood.c:93:6:APP_blood_init	16	static
+APP_blood.c:178:8:my_floor	24	static
+APP_blood.c:188:8:my_fmod	48	static
+APP_blood.c:202:8:XSin	64	static
+APP_blood.c:227:8:XCos	16	static
+APP_blood.c:233:5:qsqrt	32	static
+APP_blood.c:272:14:EE	40	static
+APP_blood.c:284:6:FFT	104	static
+APP_blood.c:341:5:find_max_num_index	32	static
+APP_blood.c:360:6:blood_data_translate	64	static
+APP_blood.c:432:6:APP_blood_loop	24	static