Lee Nam Cheol / Mbed OS lab04-i2c-master

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main.cpp@2:b7fe18d989bc, 2020-04-27 (annotated)

Committer:
namcheol
Date:
Mon Apr 27 07:57:55 2020 +0000
Revision:
2:b7fe18d989bc
Parent:
1:89d23c8072af 
lab04-i2c-master

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dshin 0:f31836d48420 1 #include "mbed.h"
dshin 0:f31836d48420 2
namcheol 2:b7fe18d989bc 3 I2C i2c(I2C_SDA, I2C_SCL); //i2c = (I2C_SDA, I2C_SCL)
namcheol 2:b7fe18d989bc 4 DigitalIn sw(D0, PullDown); //sw = D0(PullDown)
namcheol 2:b7fe18d989bc 5
namcheol 2:b7fe18d989bc 6 const int addr = 0xa0; //slave addr (even no.)
dshin 0:f31836d48420 7
dshin 0:f31836d48420 8 int main()
dshin 0:f31836d48420 9 {
namcheol 2:b7fe18d989bc 10 while(true) {
namcheol 2:b7fe18d989bc 11 if(sw == 1) { //if switch is on(pressed)
namcheol 2:b7fe18d989bc 12 i2c.start(); //start condition
namcheol 2:b7fe18d989bc 13 i2c.write(addr | 0x00); //write (addr | WRTIE)
namcheol 2:b7fe18d989bc 14 i2c.write('1'); //write '1'
namcheol 2:b7fe18d989bc 15 i2c.stop(); //stop condition
namcheol 2:b7fe18d989bc 16 thread_sleep_for(200);
namcheol 1:89d23c8072af 17 }
dshin 0:f31836d48420 18 }
dshin 0:f31836d48420 19 }