ddc.c File Reference

#include "videoprt.h"

Go to the source code of this file.

Defines
#define	DDC_EEPROM_ADDRESS   0xA0
#define	LOW   0
#define	HIGH   1
#define	WRITE   0
#define	READ   1
#define	READ_SDA()   (i2c->ReadDataLine(HwDeviceExtension))
#define	READ_SCL()   (i2c->ReadClockLine(HwDeviceExtension))
#define	WRITE_SDA(state)   (i2c->WriteDataLine(HwDeviceExtension, state))
#define	WRITE_SCL(state)   (i2c->WriteClockLine(HwDeviceExtension, state))
#define	DELAY_HALF()   KeDelayExecutionThread(KernelMode, FALSE, &HalfPeriodDelay)
Functions
static BOOL	I2CWrite (PVOID HwDeviceExtension, PI2C_CALLBACKS i2c, UCHAR Data)
static UCHAR	I2CRead (PVOID HwDeviceExtension, PI2C_CALLBACKS i2c, BOOL Ack)
static VOID	I2CStop (PVOID HwDeviceExtension, PI2C_CALLBACKS i2c)
static BOOL	I2CStart (PVOID HwDeviceExtension, PI2C_CALLBACKS i2c, UCHAR Address)
static BOOL	I2CRepStart (PVOID HwDeviceExtension, PI2C_CALLBACKS i2c, UCHAR Address)
BOOLEAN NTAPI	VideoPortDDCMonitorHelper (PVOID HwDeviceExtension, PVOID I2CFunctions, PUCHAR pEdidBuffer, ULONG EdidBufferSize)
Variables
static LARGE_INTEGER	HalfPeriodDelay = {{0, 70}}