/ Mbed 2 deprecated Nucleo_eeprom

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Dependencies:   mbed eeprom

Files at this revision

API Documentation at this revision

Revision 14:f7e3d84f3970, committed 2018-11-30

Comitter:
sunninety1
Date:
Fri Nov 30 05:12:23 2018 +0000
Parent:
13:d4ed04e04e9b
Commit message:
123514532521352wtretui\;

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Tue Nov 06 08:03:08 2018 +0000
+++ b/main.cpp	Fri Nov 30 05:12:23 2018 +0000
@@ -2,7 +2,7 @@
 #include "mbed.h"
 #include "eeprom.h"
 
-EEPROM memory(PB_9,PB_8,0);
+EEPROM memory(PB_9,PB_8,5);// Pinname sda=PB_9 , Pinname scl=PB_8 , address=0 
 
 int main()
 {
@@ -13,13 +13,14 @@
     float   j = 9785.26844;    
 
     //// Write data to Address 1 and 2 
-    memory.write(0x0001,(int8_t)data_dummy);
+    memory.write(0x0001,(int8_t)data_dummy);// write(address 16bit , data 8bit)
     wait_ms(1);
     memory.write(0x0002,(int8_t)'c');
     wait_ms(1);
     
     /// Read data from address 0x0001 to 0x0004, and store in data array  
-    memory.read(0x0001,data,4);
+    memory.read(0x0001,data,4); /* read at adress 0001=1 เก็บไว้ที่ array data ตำแหน่ง
+    ที่ 1-4 โดยตัวที่ตำแหน่ง 0x0001 จะถูกอ่านแล้วเก้บไว้ที่ data[0]  0x0002 --> data[1]  0x0003 --> data[2] 0x0004--> data[3] */
     wait_ms(1);
     
     printf("read[1] = %c\n",data[0]);
@@ -32,16 +33,17 @@
     wait_ms(1);
 
     //// Read float data, and store to x 
-    memory.read(0x000A,x);
+    memory.read(0x000A,x);// อ่านตัวแปรที่ตำแหน่ง 0x000A แล้วเก็บค่านั้นไว้ที่ x ซึ่งทำให้ตอนนี้ x=j
     wait_ms(1);
     
     printf("float = %f\n",x);
     
     /// Read data from address 0x000A to 0x000D, and store in data array  
-    memory.read(0x000A,data,4);
+    memory.read(0x000A,data,4);//อ่านค่าที่อยู่ใน adress 0x000A-->data[0] 0x000B-->data[1] 0x000C-->data[2] 0x000D-->data[3]
     printf("read[1]:0x000A = %X\n",(uint8_t)data[0]);
     printf("read[2]:0x000B = %X\n",(uint8_t)data[1]);
     printf("read[3]:0x000C = %X\n",(uint8_t)data[2]);
     printf("read[4]:0x000D = %X\n",(uint8_t)data[3]);
+    // float j=9785.26844= 0x4618E513 แล้วถูกซอยย่อยเป็น 46-->data[3] 18-->data[2] E5-->data[1] 13-->data[0]
 
 }
\ No newline at end of file