Greatly reduce flickering of HyperX DRAM by saving the apply until all LEDs have been written

Author: CalcProgrammer1

Controllers/HyperXDRAMController/HyperXDRAMController.cpp

@@ -76,6 +76,12 @@ unsigned int HyperXDRAMController::GetMode()
     return(mode);
 }
 
+void HyperXDRAMController::SendApply()
+{
+    bus->i2c_smbus_write_byte_data(dev, HYPERX_REG_APPLY, 0x02);
+    bus->i2c_smbus_write_byte_data(dev, HYPERX_REG_APPLY, 0x03);
+}
+
 void HyperXDRAMController::SetEffectColor(unsigned char red, unsigned char green, unsigned char blue)
 {
     bus->i2c_smbus_write_byte_data(dev, HYPERX_REG_APPLY, 0x01);
@@ -179,9 +185,6 @@ void HyperXDRAMController::SetLEDColor(unsigned int slot, unsigned int led, unsi
     bus->i2c_smbus_write_byte_data(dev, green_base  + (3 * led), green);
     bus->i2c_smbus_write_byte_data(dev, blue_base   + (3 * led), blue );
     bus->i2c_smbus_write_byte_data(dev, bright_base + (3 * led), 0x64 );
-
-    bus->i2c_smbus_write_byte_data(dev, HYPERX_REG_APPLY, 0x02);
-    bus->i2c_smbus_write_byte_data(dev, HYPERX_REG_APPLY, 0x03);
 }
 
 void HyperXDRAMController::SetMode(unsigned char new_mode, bool random, unsigned short new_speed)

Controllers/HyperXDRAMController/HyperXDRAMController.h

@@ -212,8 +212,11 @@ class HyperXDRAMController
     unsigned int    GetLEDCount();
     unsigned int    GetSlotCount();
     unsigned int    GetMode();
-    void            SetMode(unsigned char new_mode, bool random, unsigned short new_speed);
 
+    void            SendApply();
+
+    void            SetMode(unsigned char new_mode, bool random, unsigned short new_speed);
+    
     void            SetAllColors(unsigned char red, unsigned char green, unsigned char blue);
     void            SetEffectColor(unsigned char red, unsigned char green, unsigned char blue);
     void            SetLEDColor(unsigned int led, unsigned char red, unsigned char green, unsigned char blue);

Controllers/HyperXDRAMController/RGBController_HyperXDRAM.cpp

@@ -181,6 +181,7 @@ void RGBController_HyperXDRAM::DeviceUpdateLEDs()
             unsigned char blu = RGBGetBValue(color);
             hyperx->SetLEDColor(led_idx, red, grn, blu);
         }
+        hyperx->SendApply();
     }
     else
     {
@@ -204,6 +205,7 @@ void RGBController_HyperXDRAM::UpdateZoneLEDs(int zone)
             unsigned char blu = RGBGetBValue(color);
             hyperx->SetLEDColor(led, red, grn, blu);
         }
+        hyperx->SendApply();
     }
     else
     {
@@ -229,6 +231,7 @@ void RGBController_HyperXDRAM::UpdateSingleLED(int led)
     {
         hyperx->SetEffectColor(red, grn, blu);
     }
+    hyperx->SendApply();
 }
 
 void RGBController_HyperXDRAM::SetCustomMode()