Sarah Marsh / TCA9548A

Driver for http://www.ti.com/lit/ds/symlink/tca9548a.pdf

Fork of TCA9548A by Akash Vibhute

tca9548a.cpp

Committer:
sarahmarshy
Date:
2017-12-12
Revision:
2:1107ee23873a
Parent:
0:5bd73cede544

File content as of revision 2:1107ee23873a:

/**
 *  TCA9548A library
 *
 *  @author Akash Vibhute
 *  @author < akash . roboticist [at] gmail . com >
 *  @version 0.1
 *  @date May/24/2016
 */
 
#include "tca9548a.h"
 
TCA9548A::TCA9548A( PinName sda, PinName scl, uint8_t i2c_address, PinName resetPin) : i2c_(sda, scl), reset_pin(resetPin)
{
    i2c_addr = i2c_address;
}

 
void TCA9548A::select( uint8_t channel )
{
    if(channel >= 8) return;
    char data[1];
    data[0] = 1 << channel;
    int err = i2c_.write(0xE0, data, 1);
}

char TCA9548A::check_set_channel()
{
    char data[1];
    int err = i2c_.read(0xE1, data, 1);
    return data[0];
}
 
void TCA9548A::reset( )
{
    reset_pin = 0;
    wait_ms(1);
    reset_pin = 1;
}