/ Mbed 2 deprecated Nucleo_eeprom

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Dependencies:   mbed eeprom

main.cpp@14:f7e3d84f3970, 2018-11-30 (annotated)

Committer:
sunninety1
Date:
Fri Nov 30 05:12:23 2018 +0000
Revision:
14:f7e3d84f3970
Parent:
13:d4ed04e04e9b 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
bi18rdbi18rd 5:eb65bd646089 1
soulx 0:8b5e53600ba0 2 #include "mbed.h"
soulx 0:8b5e53600ba0 3 #include "eeprom.h"
bi18rdbi18rd 5:eb65bd646089 4
sunninety1 14:f7e3d84f3970 5 EEPROM memory(PB_9,PB_8,5);// Pinname sda=PB_9 , Pinname scl=PB_8 , address=0
soulx 0:8b5e53600ba0 6
soulx 0:8b5e53600ba0 7 int main()
soulx 0:8b5e53600ba0 8 {
Pitiwut 8:1628d2c67f5e 9 //// Initial data to write /////
Pitiwut 8:1628d2c67f5e 10 int8_t data_dummy = 'r';
Pitiwut 8:1628d2c67f5e 11 int8_t data[4];
Pitiwut 8:1628d2c67f5e 12 float x = 0.0f;
Pitiwut 8:1628d2c67f5e 13 float j = 9785.26844;
bi18rdbi18rd 5:eb65bd646089 14
Pitiwut 8:1628d2c67f5e 15 //// Write data to Address 1 and 2
sunninety1 14:f7e3d84f3970 16 memory.write(0x0001,(int8_t)data_dummy);// write(address 16bit , data 8bit)
bi18rdbi18rd 5:eb65bd646089 17 wait_ms(1);
Pitiwut 9:70102b54bfcd 18 memory.write(0x0002,(int8_t)'c');
bi18rdbi18rd 5:eb65bd646089 19 wait_ms(1);
Pitiwut 8:1628d2c67f5e 20
Pitiwut 13:d4ed04e04e9b 21 /// Read data from address 0x0001 to 0x0004, and store in data array
sunninety1 14:f7e3d84f3970 22 memory.read(0x0001,data,4); /* read at adress 0001=1 เก็บไว้ที่ array data ตำแหน่ง
sunninety1 14:f7e3d84f3970 23 ที่ 1-4 โดยตัวที่ตำแหน่ง 0x0001 จะถูกอ่านแล้วเก้บไว้ที่ data[0] 0x0002 --> data[1] 0x0003 --> data[2] 0x0004--> data[3] */
bi18rdbi18rd 5:eb65bd646089 24 wait_ms(1);
Pitiwut 8:1628d2c67f5e 25
Pitiwut 8:1628d2c67f5e 26 printf("read[1] = %c\n",data[0]);
Pitiwut 8:1628d2c67f5e 27 printf("read[2] = %c\n",data[1]);
Pitiwut 8:1628d2c67f5e 28 printf("read[3] = %c\n",data[2]);
Pitiwut 8:1628d2c67f5e 29 printf("read[4] = %c\n",data[3]);
bi18rdbi18rd 5:eb65bd646089 30
Pitiwut 13:d4ed04e04e9b 31 //// Write float data to address 0x000A
Pitiwut 9:70102b54bfcd 32 memory.write(0x000A,j);
bi18rdbi18rd 5:eb65bd646089 33 wait_ms(1);
bi18rdbi18rd 5:eb65bd646089 34
Pitiwut 8:1628d2c67f5e 35 //// Read float data, and store to x
sunninety1 14:f7e3d84f3970 36 memory.read(0x000A,x);// อ่านตัวแปรที่ตำแหน่ง 0x000A แล้วเก็บค่านั้นไว้ที่ x ซึ่งทำให้ตอนนี้ x=j
bi18rdbi18rd 5:eb65bd646089 37 wait_ms(1);
Pitiwut 8:1628d2c67f5e 38
bi18rdbi18rd 5:eb65bd646089 39 printf("float = %f\n",x);
Pitiwut 11:8d8c3e003153 40
Pitiwut 13:d4ed04e04e9b 41 /// Read data from address 0x000A to 0x000D, and store in data array
sunninety1 14:f7e3d84f3970 42 memory.read(0x000A,data,4);//อ่านค่าที่อยู่ใน adress 0x000A-->data[0] 0x000B-->data[1] 0x000C-->data[2] 0x000D-->data[3]
Pitiwut 12:4c5be5aadf51 43 printf("read[1]:0x000A = %X\n",(uint8_t)data[0]);
Pitiwut 12:4c5be5aadf51 44 printf("read[2]:0x000B = %X\n",(uint8_t)data[1]);
Pitiwut 12:4c5be5aadf51 45 printf("read[3]:0x000C = %X\n",(uint8_t)data[2]);
Pitiwut 12:4c5be5aadf51 46 printf("read[4]:0x000D = %X\n",(uint8_t)data[3]);
sunninety1 14:f7e3d84f3970 47 // float j=9785.26844= 0x4618E513 แล้วถูกซอยย่อยเป็น 46-->data[3] 18-->data[2] E5-->data[1] 13-->data[0]
bi18rdbi18rd 5:eb65bd646089 48
soulx 0:8b5e53600ba0 49 }