BOOL A025DL02_Driver::Uninitialize()
{
NATIVE_PROFILE_HAL_DRIVERS_DISPLAY();
// Clear display content
Clear();
LCD_Controller_Enable(FALSE);
UINT16 write[] =
{
A025DL02_I2C_ADDR_DATA(c_CMD_REG5, c_LCD_STANDBY),
};
UINT16 read[ARRAYSIZE_CONST_EXPR(write)];
SPI_XACTION_16 xAction =
{
write,
ARRAYSIZE_CONST_EXPR(write),
read,
ARRAYSIZE_CONST_EXPR(read),
0,
g_A025DL02_SPI_Config.SPI_mod
};
CPU_SPI_Xaction_Start(g_A025DL02_SPI_Config);
CPU_SPI_Xaction_nWrite16_nRead16(xAction);
CPU_SPI_Xaction_Stop (g_A025DL02_SPI_Config);
return LCD_Controller_Uninitialize();
}
void A025DL02_Driver::PowerSave( BOOL On )
{
NATIVE_PROFILE_HAL_DRIVERS_DISPLAY();
UINT16 write[2];
UINT16 read[ARRAYSIZE_CONST_EXPR(write)];
if(On)
{
write[0] = A025DL02_I2C_ADDR_DATA(c_CMD_REG5, c_LCD_POWERSAVE);
write[1] = A025DL02_I2C_ADDR_DATA(c_CMD_REG5, c_LCD_POWERSAVE);
}
else
{
write[0] = A025DL02_I2C_ADDR_DATA(c_CMD_REG5, c_LCD_NORMAL);
write[1] = A025DL02_I2C_ADDR_DATA(c_CMD_REG5, c_LCD_NORMAL);
}
SPI_XACTION_16 xAction =
{
write,
ARRAYSIZE_CONST_EXPR(write),
read,
ARRAYSIZE_CONST_EXPR(read),
0,
g_A025DL02_SPI_Config.SPI_mod
};
CPU_SPI_Xaction_Start(g_A025DL02_SPI_Config);
CPU_SPI_Xaction_nWrite16_nRead16(xAction);
CPU_SPI_Xaction_Stop (g_A025DL02_SPI_Config);
return;
}
BOOL CPU_SPI_nWrite16_nRead16( const SPI_CONFIGURATION& Configuration, UINT16* Write16, INT32 WriteCount, UINT16* Read16, INT32 ReadCount, INT32 ReadStartOffset )
{
NATIVE_PROFILE_HAL_PROCESSOR_SPI();
if(!CPU_SPI_Xaction_Start( Configuration )) return FALSE;
SPI_XACTION_16 Transaction;
Transaction.Read16 = Read16;
Transaction.ReadCount = ReadCount;
Transaction.ReadStartOffset = ReadStartOffset;
Transaction.Write16 = Write16;
Transaction.WriteCount = WriteCount;
Transaction.SPI_mod = Configuration.SPI_mod;
if(!CPU_SPI_Xaction_nWrite16_nRead16( Transaction )) return FALSE;
return CPU_SPI_Xaction_Stop( Configuration );
}
UINT16 AD7466_Driver::Read( INT32 Channel )
{
AD7466_CONFIG* Config = &g_AD7466_Config;
UINT16 ADC_Value;
UINT16 Write16;
// select the NO3 on MAX4704
CPU_GPIO_SetPinState( Config->ADMUX_A0_GPIO_PIN, Config->ADMUX_Address[Channel].A0 );
CPU_GPIO_SetPinState( Config->ADMUX_A1_GPIO_PIN, Config->ADMUX_Address[Channel].A1 );
// data that is written is ignored, but reduce energy by keeping output high
Write16 = 0xffff;
CPU_GPIO_SetPinState( Config->ADMUX_EN_L_GPIO_PIN, FALSE ); // bring enable active (low)
// delay 5 uSecs per RAY after enabling MUX to allow inrush current to settle and voltage to stabilize
HAL_Time_Sleep_MicroSeconds_InterruptEnabled( 5 );
{
// we must ensure a radio operation ISR doesn't intervene - keep this short!
GLOBAL_LOCK(irq);
// W
// R
CPU_SPI_Xaction_Start( Config->SPI_Config );
{
SPI_XACTION_16 Transaction;
Transaction.Read16 = &ADC_Value;
Transaction.ReadCount = 1;
Transaction.ReadStartOffset = 1-1;
Transaction.Write16 = &Write16;
Transaction.WriteCount = 1;
CPU_SPI_Xaction_nWrite16_nRead16( Transaction );
}
CPU_SPI_Xaction_Stop( Config->SPI_Config );
}
CPU_GPIO_SetPinState( Config->ADMUX_EN_L_GPIO_PIN, TRUE ); // bring enable inactive (high)
// scale down by 1 bit, since this is how it returns the result
ADC_Value >>= 1;
return ADC_Value;
}
BOOL A025DL02_Driver::Initialize()
{
NATIVE_PROFILE_HAL_DRIVERS_DISPLAY();
BOOL bRet = TRUE;
// setup the LCD by SPI cmds
{
UINT16 write[] =
{
A025DL02_I2C_ADDR_DATA(c_CMD_REG5, c_LCD_START ),
A025DL02_I2C_ADDR_DATA(c_CMD_REG4, c_REG4_SETUP_DATA),
A025DL02_I2C_ADDR_DATA(c_CMD_REG8, c_BL_DRV_DATA ),
A025DL02_I2C_ADDR_DATA(c_CMD_REG5, c_LCD_NORMAL )
};
UINT16 read[ARRAYSIZE_CONST_EXPR(write)];
SPI_XACTION_16 xAction =
{
write,
ARRAYSIZE_CONST_EXPR(write),
read,
ARRAYSIZE_CONST_EXPR(read),
0,
g_A025DL02_SPI_Config.SPI_mod
};
CPU_SPI_Xaction_Start(g_A025DL02_SPI_Config);
CPU_SPI_Xaction_nWrite16_nRead16(xAction);
CPU_SPI_Xaction_Stop (g_A025DL02_SPI_Config);
}
bRet = LCD_Controller_Initialize(g_LcdController_Config);
LCD_Controller_Enable(TRUE);
// Clear display content
Clear();
return bRet;
}