DV164126 Microchip Technology, DV164126 Datasheet - Page 30

• Manufacturer Part Number: DV164126
• Description: KIT DEVELOPMENT USB W/PICKIT 2
• Manufacturer: Microchip Technology

Specifications of DV164126

• Main Purpose: Interface, USB 2.0 Slave
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: PIC18F13K50, PIC18F14K50
• Primary Attributes: Full Speed (12Mbps), MCU Based
• Secondary Attributes: 4 Labs: Enumeration, HID Mouse, HID Keyboard, CDC Serial Emulator
• Silicon Manufacturer: Microchip
• Silicon Core Number: PIC18F14K50, PIC18F13K50
• Core Architecture: PIC
• Core Sub-architecture: PIC18
• Silicon Family Name: Piccolo
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Low Pin Count USB Development Kit User’s Guide
DS41356B-page 26
EXAMPLE 2-9:
//delay to allow the hold capacitor on the ADC to charge
case 0:
case 1:
case 2:
case 3:
if(++delaycounter>9000)
{
}
break;
ADCON0bits.GO_DONE = 1; //Start an ADC conversion
state = 2;
break;
{
}
break;
HIDoutput = ADRESH>>3;//shift the result in ADRESH
if(HIDoutput<=4) HIDoutput = 4;
if(HIDoutput>=29) HIDoutput = 29;
//Can the SIE transmit?
if((HIDTxHandleBusy(lastTransmission) == 0))
{
//Send the 8 byte packet over USB to the host.
(BYTE*)hid_report_in, 0x08);
state = 0;
}
break;
if(ADCON0bits.GO_DONE == 0) //Check if conversion is
lastTransmission = HIDTxPacket(HID_EP,
KEYBOARD() STATE MACHINE CODE
delaycounter = 0;
state = 1;
state = 3;
//Load the HID buffer
hid_report_in[0] = 0;
hid_report_in[1] = 0;
hid_report_in[2] = HIDoutput;
hid_report_in[3] = 0;
hid_report_in[4] = 0;
hid_report_in[5] = 0;
hid_report_in[6] = 0;
hid_report_in[7] = 0;
//left by three
//completed
© 2009 Microchip Technology Inc.