Diff: TCA9548.cpp

Revision:

4:cc00e3842f1b

Parent:

3:afb107db7994

--- /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