Michael Wilkens / TCA9548

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of libTCS34725 by Michael Wilkens

Embed: (wiki syntax)

« Back to documentation index

Show/hide line numbers TCA9548.cpp Source File

TCA9548.cpp

00001 #include "TCA9548.h"
00002 
00003 TCA9548::TCA9548() : i2c(PB_9,PB_8) {}
00004 TCA9548::TCA9548(PinName i2c_sda, PinName i2c_scl) : i2c(i2c_sda,i2c_scl) {}
00005 
00006 void TCA9548::i2cWrite8(uint8_t addr, char data){
00007     char packet[1] = {data & 0xFF}; 
00008     i2c.write(addr,packet,1,false); //only write address and data ~ no reg
00009     wait(0.01);
00010 }
00011 
00012 bool TCA9548::init(uint8_t iCh){
00013     i2c.frequency(400000);
00014     channel = iCh;
00015     i2cWrite8(DEV_ADDR,(char)iCh);
00016     return true;
00017 }
00018 
00019 bool TCA9548::init(){
00020     i2c.frequency(400000);
00021     channel = 0;
00022     i2cWrite8(DEV_ADDR,0);
00023     wait(0.05);
00024     return true;
00025 }
00026 
00027 void TCA9548::ch(uint8_t newCh){
00028     channel = newCh;
00029     i2cWrite8(DEV_ADDR,(char)newCh);
00030     wait(0.05);
00031 }
Generated on Fri Jul 15 2022 20:40:20 by  doxygen 1.7.2