contiki/tests/per.c

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C
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#include <mc1322x.h>
#include <board.h>
#include <stdio.h>
#include "tests.h"
#include "config.h"
/* This program communicates with itself and determines the packet */
/* error rate (PER) under a variety of powers and packet sizes */
/* Each test the packets are sent and received as fast as possible */
/* The program first scans on channel 11 and attempts to open a test */
/* session with a node. After opening a session, the nodes begin the */
/* test sequence */
#define DEBUG_MACA 1
typedef struct {
int type;
} packet_t;
enum STATES {
SCANNING,
MAX_STATE
};
enum PACKET_TYPE {
PACKET_PERTEST,
MAX_PACKET_TYPE
};
int get_packet(packet_t *p) { return 0; }
void print_packet(packet_t p) { return; }
void main(void) {
uint32_t state;
packet_t p;
uart_init(INC,MOD);
print_welcome("Packet error test");
/* standard radio initialization */
reset_maca();
radio_init();
vreg_init();
flyback_init();
init_phy();
/* trim the reference osc. to 24MHz */
pack_XTAL_CNTL(CTUNE_4PF, CTUNE, FTUNE, IBIAS);
set_power(0x0f); /* 0dbm */
set_channel(0); /* channel 11 */
/* initial radio command */
/* nop, promiscuous, no cca */
*MACA_CONTROL = (1 << PRM) | (NO_CCA << MODE);
state = SCANNING;
while(1) {
switch(state) {
case SCANNING:
if(get_packet(&p)) {
print_packet(p);
/* if we have a packet */
/* check if it's a pertest beacon */
if(p.type == PACKET_PERTEST) {
/* try to start a session */
}
}
break;
default:
break;
}
}
}