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Zilog EZ80F916 User Manual

Page 161

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UM014423-0607

Using the ANSI C-Compiler

ZiLOG Developer Studio II

eZ80Acclaim!

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User Manual

141

void isr_timer1(void)
{

unsigned char temp;
unsigned int delay;
temp = TMR_CTL1;//read to clear pending int
temp = TMR_IIR1;

intermediate_ticks1++;
if(intermediate_ticks1 >= 10)
{

intermediate_ticks1 = 0;
ticks1++;

}

}

/****************************************************************
* All this ISR should do is put the data into our internal fifos
*
*/

#pragma interrupt
void isr_uart1(void)
{
short temp;

temp = UART_LSR1;

if ( temp & 0x04 )

{

mdb_buff[byte_pos] = UART_RBR1;
byte_pos++;

done = 1;
}


if ( temp & 0x01)

{

mdb_buff[byte_pos] = UART_RBR1;

byte_pos++;
}

while( UART_LSR1 & 0x20) {//THRE int

if( ! fifo_empty(uart1tx->fifo) ) {// and we still have

stuff to send ...

UART_THR1=fifo_get(uart1tx->fifo);// send it.

} else {

// otherwise ...

UART_IER1&=0xfd;// disable tx interrupts
break;

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