AN1465 datasheet(9/14 Pages) MICROCHIP

9 / 14 page

 2012 Microchip Technology Inc.

DS01465A-page 9

AN1465

Sample Code

EXAMPLE 2:

void ReceiveFrame(void)

{

static uint16_t count = 0;

static uint16_t HalfBitTime=0;

static uint16_t LoadHalfBitTime=0;

if (RxFlag.ReceiveMode)

{

switch (makeframe)

{

case start:

............................

break;

case address:

if (count <= 7)

{

if (TE_TMR_INT_ENABLE && TE_TMR_INT_FLAG)

{

TE_TMR_INT_FLAG = CLEAR;

TE_TMR_ON=CLEAR;

receivebuff <<= 1;

if (DATA_IN_INT== DALI_LO)

{

SET_INT_FALLING_EDGE();

receivebuff |= 0x01;

}

else SET_INT_RISING_EDGE();

TE_TMR_INT_ENABLE = CLEAR;

TE_TMR_ON = CLEAR;

EDGE_INT_ENABLE= SET;

}

else if (EDGE_INT_ENABLE)

{

EDGE_INT_ENABLE = CLEAR;

TE_TMR_INT_ENABLE = SET;

TE_TMR_VALUE = TMRLoadVal;

TE_TMR_ON = SET;

count++;

}

else

{

RxFlag.Error = SET;

RxFlag.ListenMode = SET;

break;

}

if (count <= 7)

makeframe = address;

else

{

count = 0;

makeframe = data;

EDGE_INT_ENABLE = CLEAR;

EDGE_INT_FLAG = CLEAR;

TE_TMR_INT_ENABLE = SET;

TE_TMR_VALUE = TMRLoadVal;

TE_TMR_ON = SET;

FwdFrame.Byte.Address = receivebuff;

receivebuff = CLEAR;

}

break;

.............................................

}

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