Cincoze DC-1200 Series, Руководство пользователя, Страница: 66 / 111

DC-1200 Series | User Manual
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5.1.1.4 Sample Code in C Language
5.1.1.4.1 Control of GP70 to GP73 (DI1 ~ DI4) (BTB_FH1)
#define AddrPort 0x4E
#define DataPort 0x4F
<Enter the Extended Function Mode>
WriteByte(AddrPort, 0x87)
WriteByte(AddrPort, 0x87)
// Must write twice to enter Extended mode
<Select Logic Device>
WriteByte(AddrPort, 0x07)
WriteByte(dataPort, 0x06)
// Select logic device 06h
<Output/Input Mode Selection>
// Set GP70 to GP73 input Mode
WriteByte(AddrPort, 0x80) // Select configuration register 80h
WriteByte(DataPort, 0x0X) // Set (bit 0~3) = 0 to select GP 70~73 as Input mode.
<Input Value>
WriteByte(AddrPort, 0x82)
// Select configuration register 82h
ReadByte(DataPort, Value) // Read bit 0~3 (0xFx)= GP70 ~73 as High.
<Leave the Extended Function Mode>
WriteByte(AddrPort, 0xAA)
5.1.1.4.2 Control of GP80 to GP83 (DO1 ~ DO4) (BTB_FH1)
#define AddrPort 0x4E
#define DataPort 0x4F
<Enter the Extended Function Mode>
WriteByte(AddrPort, 0x87)
WriteByte(AddrPort, 0x87)
// Must write twice to enter Extended mode
<Select Logic Device>
WriteByte(AddrPort, 0x07)
WriteByte(DataPort, 0x06)
// Select logic device 06h
<Output/Input Mode Selection> // Set GP80 to GP83 output Mode
WriteByte(AddrPort, 0x88) // Select configuration register 88h
WriteByte(DataPort, 0xXF)) // Set (bit 0~3) = 1 to select GP 80 ~83 as Output mode.
<Output Value>