參數(shù)資料
型號(hào): uPSD3234
廠商: 意法半導(dǎo)體
英文描述: Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可編程系統(tǒng)器)
中文描述: 閃存可編程系統(tǒng)器件與8032微控制器內(nèi)核(嵌入高速“8032微控制器核”的閃存型可編程系統(tǒng)器)
文件頁(yè)數(shù): 50/54頁(yè)
文件大?。?/td> 736K
代理商: UPSD3234
AN1886 - APPLICATION NOTE
50/54
APPENDIX K. RECONNECTUSB
static void ReConnectUSB()
/******************************************************************************
Function : static void ReConnectUSB()
Parameters : none
Description: Use insted of UsbInitialize when DisconnectOnDemand feature
is implemented.
Be sure that the DisconnectOnDemand feature is present on DK3200.
******************************************************************************/
{
data int w;
UIEN = 0; // Disable all USB interrupts
UADR = 0; // Disable USB hardware
LCDBufTXIndex = 0; // LCD disp position for USB
UPSD_xreg.DATAOUT_C &= 0xEF; // PC4=0
UPSD_xreg.DRIVE_C |= 0x10; // set as OpenDrain
UPSD_xreg.DIRECTION_C |= 0x10; // set as output
printfLCD("\rUSB Disconnected");
while ((UPSD_xreg.DATAIN_B & 0x04)==0)
{
for (w=0;w<600*50;w++); // wait 50 ms
}
UPSD_xreg.DRIVE_C &= 0xEF; // set PC4 as input
UPSD_xreg.DIRECTION_C &= 0xEF; // set PC4 as input
UsbInitialize();
printfLCD("\rUSB Reconnected.");
}
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