Analog Devices SHARC ADSP-21368 - Page 367

ADSP-21368 SHARC Processor Hardware Reference 5-87
Serial Ports
.SECTION/DM seg_dmda;
/* Transmit Buffer */
.var tx_buf2a[BUFSIZE] = 0x11111111,
0x22222222,
0x33333333,
0x44444444,
0x55555555,
0x66666666,
0x77777777,
0x88888888,
0x99999999,
0xAAAAAAAA;
/* Receive Buffer */
.var rx_buf3a[BUFSIZE];
/* Main code section */
.global _main;
.SECTION/PM seg_pmco;
_main:
//bit set mode1 CBUFEN; /* enable circular buffers
*/
/* SPORT Loopback: Use SPORT2 as RX & SPORT3 as TX */
/* Initially clear SPORT control registers */
r0 = 0x00000000;
dm(SPCTL2) = r0;
dm(SPCTL3) = r0;
dm(SPMCTL2) = r0;
/* Set up DAG registers */
i4 = tx_buf2a;
m4 = 1;
i12 = rx_buf3a;
m12 = 1;