Windows
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Using the windows command prompt, CoreController.exe takes parameters led1-led6 on/off
 
Example
CoreController.exe led1 on led5 off
Turns on Default LED and turns off Caps Lock LED.
Fn+F7-F12 returns control keyboard MCU.
 


Build your own control program
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<Tech Note>
Using HID Transfer
 
vid: 0x1c6c
pid: 0xa002
 
Every command has response : 64byte write and 64byte read 
Write 64byte "struct packet" and read 64byte "struct packet"
 
packetsize: 64byte
struct packet
{
           uint char m_Hdr;
           uint char m_ReadWrite;
           uint char m_arrLED[6]; //4 led, numlock, capslock
           uint char m_Dummy[56];
}gPkt;
 
//LED control command example
gPkt.m_Hdr = 0x06;
gPkt.m_ReadWrite = 1; //for write
gPkt.m_arrLED[0] = 0x02;  //restore to original status value
gPkt.m_arrLED[1] = 0x01;  //force it to turn on
gPkt.m_arrLED[2] = 0x00;  //force it to turn off
gPkt.m_arrLED[3] = 0x01;  //force it to turn on
gPkt.m_arrLED[4] = 0x02;  //restore numlock value
gPkt.m_arrLED[5] = 0x02;  //restore capslock value
gPkt.m_Dummy[0~55] : Don't care
 
//LED status read
gPkt.m_Hdr = 0x06;
gPkt.m_ReadWrite = 0; //for read
gPkt.m_arrLED[0~5];  //LED status, 0(force off), 1(force on), 2 (normal value)
gPkt.m_Dummy[0~55] : Don't care