mbed library for the TCA9548 mux
Fork of libTCS34725 by
Diff: TCA9548.cpp
- Revision:
- 4:cc00e3842f1b
- Parent:
- 3:afb107db7994
- Child:
- 6:79996efbdcb2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TCA9548.cpp Thu Mar 09 18:42:41 2017 +0000 @@ -0,0 +1,31 @@ +#include "TCA9548.h" + +TCA9548::TCA9548() : i2c(SDA,SCL) {} +TCA9548::TCA9548(PinName i2c_sda, PinName i2c_scl) : i2c(i2c_sda,i2c_scl) {} + +void TCA9548::i2cWrite8(uint8_t addr, char data){ + char packet[1] = {data & 0xFF}; + i2c.write(addr,packet,1,false); //only write address and data ~ no reg + wait(0.01); +} + +bool TCA9548::init(uint8_t iCh){ + i2c.frequency(400000); + channel = iCh; + i2cWrite8(DEV_ADDR,(char)iCh); + return true; +} + +bool TCA9548::init(){ + i2c.frequency(400000); + channel = 0; + i2cWrite8(DEV_ADDR,0); + wait(0.05); + return true; +} + +void TCA9548::ch(uint8_t newCh){ + channel = newCh; + i2cWrite8(DEV_ADDR,(char)newCh); + wait(0.05); +} \ No newline at end of file