Line Health / SX1509

Driver for the IO Expander/LED Driver

Diff: SX1509.cpp

Revision:
2:0f4b9539feca
Parent:
1:0176ec93c3fe
--- a/SX1509.cpp	Thu Apr 20 17:55:01 2017 +0000
+++ b/SX1509.cpp	Wed Apr 26 18:04:24 2017 +0000
@@ -110,6 +110,8 @@
             pin-=8;
     }
     
+    uint8_t buf;
+    
     switch(mode){
         case INPUT:
             //TODO: Finish this
@@ -118,7 +120,7 @@
             //TODO: Finish this
             break;
         case LED:
-            uint8_t buf = i2cRead8(inputReg);
+            buf = i2cRead8(inputReg);
             buf &= ~(1<<pin);
             i2cWrite8(inputReg, buf);
             buf = i2cRead8(pullupReg);
@@ -176,4 +178,9 @@
     uint8_t buf = i2cRead8(REGMISC);
     buf |= (1<<2);
     i2cWrite8(REGMISC, buf);
+}
+
+void SX1509::fullReset(){
+    i2cWrite8(REGRESET, 0x12);
+    i2cWrite8(REGRESET, 0x34);
 }
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