FRA221-2018
/
Nucleo_eeprom
Nucleo_eeprom
Fork of Nucleo_eeprom by
main.cpp@9:70102b54bfcd, 2018-11-06 (annotated)
- Committer:
- Pitiwut
- Date:
- Tue Nov 06 06:55:38 2018 +0000
- Revision:
- 9:70102b54bfcd
- Parent:
- 8:1628d2c67f5e
- Child:
- 10:374723606fc9
EEProm edit#1
Who changed what in which revision?
User | Revision | Line number | New 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 | |
Peeraya | 4:3a9d307d26e2 | 5 | EEPROM memory(I2C_SDA,I2C_SCL,0); |
soulx | 7:8faeff100e3a | 6 | //EEPROM abc(I2C_SDA,I2C_SCL,1); |
soulx | 0:8b5e53600ba0 | 7 | |
soulx | 0:8b5e53600ba0 | 8 | int main() |
soulx | 0:8b5e53600ba0 | 9 | { |
Pitiwut | 8:1628d2c67f5e | 10 | //// Initial data to write ///// |
Pitiwut | 8:1628d2c67f5e | 11 | int8_t data_dummy = 'r'; |
Pitiwut | 8:1628d2c67f5e | 12 | int8_t data[4]; |
Pitiwut | 8:1628d2c67f5e | 13 | float x = 0.0f; |
Pitiwut | 8:1628d2c67f5e | 14 | float j = 9785.26844; |
bi18rdbi18rd | 5:eb65bd646089 | 15 | |
Pitiwut | 8:1628d2c67f5e | 16 | //// Write data to Address 1 and 2 |
Pitiwut | 9:70102b54bfcd | 17 | memory.write(0x0001,(int8_t)data_dummy); |
bi18rdbi18rd | 5:eb65bd646089 | 18 | wait_ms(1); |
Pitiwut | 9:70102b54bfcd | 19 | memory.write(0x0002,(int8_t)'c'); |
bi18rdbi18rd | 5:eb65bd646089 | 20 | wait_ms(1); |
Pitiwut | 8:1628d2c67f5e | 21 | |
Pitiwut | 8:1628d2c67f5e | 22 | /// Read data from address 1 to 4, and store in data array |
Pitiwut | 8:1628d2c67f5e | 23 | memory.read(1,data,4); |
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 | 8:1628d2c67f5e | 31 | //// Write float data |
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 |
Pitiwut | 9:70102b54bfcd | 36 | memory.read(0x000A,x); |
bi18rdbi18rd | 5:eb65bd646089 | 37 | wait_ms(1); |
Pitiwut | 8:1628d2c67f5e | 38 | |
bi18rdbi18rd | 5:eb65bd646089 | 39 | printf("float = %f\n",x); |
bi18rdbi18rd | 5:eb65bd646089 | 40 | |
soulx | 0:8b5e53600ba0 | 41 | } |