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Standard C Libraries
{
default:
case 0:
case 1:
case 2:
if (( __ C30_UART != 1) && (&U2BRG))
umode = &U2MODEbits;
ustatus = &U2STAbits;
txreg = &U2TXREG;
brg = &U2BRG;
}
if ((umode->UARTEN) == 0)
{
*brg = 0;
umode->UARTEN = 1;
}
if ((ustatus->UTXEN) == 0)
{
ustatus->UTXEN = 1;
}
for (i = len; i; --i)
{
while ((ustatus->TRMT) ==0);
*txreg = *(char*)buffer++;
}
break;
case handle_can1: /* code to support
break;
case handle_can2: /* code to support
break;
case handle_spi1: /* code to support
break;
case handle_spi2: /* code to support
{
can1 */
can2 */
spi1 */
spi2 */
break;
}
return(len);
}
where you would fill in the appropriate code as specified in the comments.
Now you can use the generic C STDIO features to write to another port:
FILE *can1 = fopen("c","w");
fprintf(can1,"This will be output through the can\n");
2.13.3
FILE
STDIO Functions
Description:
Include:
fpos_t
Description:
Include:
? 2008 Microchip Technology Inc.
Stores information for a file stream.
<stdio.h>
Type of a variable used to store a file position.
<stdio.h>
DS51456E-page 45
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