參數(shù)資料
型號: MCP2200-I/SO
廠商: Microchip Technology
文件頁數(shù): 11/44頁
文件大小: 0K
描述: IC USB TO UART 20SOIC
特色產(chǎn)品: MCP2200 USB-to-UART Serial Converter
標(biāo)準(zhǔn)包裝: 38
特點: USB 至 UART
通道數(shù): 8
FIFO's: 256 字節(jié)
規(guī)程: USB 2.0
電源電壓: 3 V ~ 5.5 V
帶自動流量控制功能:
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 管件
產(chǎn)品目錄頁面: 684 (CN2011-ZH PDF)
2011 Microchip Technology Inc.
DS22228B-page 19
MCP2200
EXAMPLE 2-16:
2.3.1.17
ReadEEPROM
Function:
int SimpleIOClass::ReadEEPROM (unsigned int uiEEPAddress)
EXAMPLE 2-17:
2.3.1.18
ReadPin
Function:
bool SimpleIOClass::ReadPin (unsigned int pin, unsigned int *returnvalue)
EXAMPLE 2-18:
Summary:
Reads a byte from the EEPROM.
Description:
Reads a byte from the EEPROM at the given address.
Precondition:
At least one call to the InitMCP2200() is required in order to initiate a DLL search for the compatible
devices. VID and PID must be previously set via a call to InitMCP2200(VID, PID).
Parameters:
uiEEPAddress
- the EEPROM address location we need to write to (must be from 0 to 255, inclu-
sively).
Returns:
This function returns any positive value as being the EEPROM’s location value:
E_WRONG_ADDRESS (-3) - in case the given EEPROM address is out of range
E_CANNOT_SEND_DATA (-4) - in case the function cannot send the command to the device
Remarks:
None.
Summary:
Reads the specified pin.
Description:
Reads the specified pin and returns the value in returnvalue. If the pin has been configured as a
digital input, the return value will be either ‘0’ or ‘1’.
Precondition:
Must be previously configured as an input via a ConfigureIO call.
VID and PID must be previously set via a call to InitMCP2200(VID, PID).
Parameters:
pin - the pin number to set (0-7)
returnvalue - the value read on the pin (‘0’ or ‘1’)
Returns:
This function returns True if the transmission is successful and returns False if the transmission fails.
Remarks:
None.
unsigned int rv;
if (SimpleIOClass::IsConnected ())
{
lblStatusBar->Text = “Device connected”;
}
else
lblStatusBar->Text = “Device Disconnected”;
int iRetValue = SimpleIOClass::ReadEEPROM(0x01);
if (iRetValue >= 0)
{
lblStatusBar->Text = “Success”;
}
else
lblStatusBar->Text = “Error reading to EEPROM” +
SimpleIOClass::LastError;
unsigned int rv;
if (SimpleIOClass::ReadGPIOn (0, &rv))
{
lblStatusBar->Text = “Success”;
}
else
lblStatusBar->Text = “Invalid command ” +
SimpleIOClass::LastError;
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