Patch 1

Patch 1

Author: Tinyu-Zhao

examples/Unit/PbHUB/porthub.cpp

@@ -16,9 +16,10 @@ uint16_t PortHub::hub_a_read_value(uint8_t reg) {
     Wire.write(reg | 0x06);
     Wire.endTransmission();
 
-    uint8_t RegValue_L, RegValue_H;
+    uint8_t RegValue_L = 0;
+    uint8_t RegValue_H = 0;
 
-    Wire.requestFrom(_iic_addr, 2);
+    Wire.requestFrom(_iic_addr, (uint8_t)2);
     while (Wire.available()) {
         RegValue_L = Wire.read();
         RegValue_H = Wire.read();
@@ -32,9 +33,9 @@ uint8_t PortHub::hub_d_read_value_A(uint8_t reg) {
     Wire.write(reg | 0x04);
     Wire.endTransmission();
 
-    uint8_t RegValue;
+    uint8_t RegValue = 0;
 
-    Wire.requestFrom(_iic_addr, 1);
+    Wire.requestFrom(_iic_addr, (uint8_t)1);
     while (Wire.available()) {
         RegValue = Wire.read();
     }
@@ -46,9 +47,9 @@ uint8_t PortHub::hub_d_read_value_B(uint8_t reg) {
     Wire.write(reg | 0x05);
     Wire.endTransmission();
 
-    uint8_t RegValue;
+    uint8_t RegValue = 0;
 
-    Wire.requestFrom(_iic_addr, 1);
+    Wire.requestFrom(_iic_addr, (uint8_t)1);
     while (Wire.available()) {
         RegValue = Wire.read();
     }