nes-proj/tests/rftest-tx.c
2010-03-09 18:23:40 -05:00

78 lines
1.6 KiB
C

#include <mc1322x.h>
#include <board.h>
#include <stdio.h>
#include "tests.h"
#include "config.h"
#define LED LED_RED
/* 802.15.4 PSDU is 127 MAX */
/* 2 bytes are the FCS */
/* therefore 125 is the max payload length */
#define PAYLOAD_LEN 16
#define DELAY 100000
void fill_packet(volatile packet_t *p) {
static volatile uint8_t count=0;
volatile uint8_t i;
p->length = PAYLOAD_LEN;
p->offset = 0;
for(i=0; i<PAYLOAD_LEN; i++) {
p->data[i] = count++;
}
/* acks get treated differently, even in promiscuous mode */
/* setting the third bit makes sure that we never send an ack */
/* or any valid 802.15.4-2006 packet */
p->data[0] |= (1 << 3);
}
void main(void) {
volatile uint32_t i;
volatile packet_t *p;
/* trim the reference osc. to 24MHz */
pack_XTAL_CNTL(CTUNE_4PF, CTUNE, FTUNE, IBIAS);
uart_init(INC, MOD, SAMP);
vreg_init();
maca_init();
set_channel(0); /* channel 11 */
// set_power(0x0f); /* 0xf = -1dbm, see 3-22 */
// set_power(0x11); /* 0x11 = 3dbm, see 3-22 */
set_power(0x12); /* 0x12 is the highest, not documented */
*GPIO_DATA0 = 0x00000000;
*GPIO_PAD_DIR0 = ( 1 << LED );
/* read from the data register instead of the pad */
/* this is needed because the led clamps the voltage low */
*GPIO_DATA_SEL0 = ( 1 << LED );
/* sets up tx_on, should be a board specific item */
*GPIO_FUNC_SEL2 = (0x01 << ((44-16*2)*2));
*GPIO_PAD_DIR_SET1 = (1 << (44-32));
print_welcome("rftest-tx");
while(1) {
p = get_free_packet();
if(p) {
fill_packet(p);
printf("rftest-tx --- ");
print_packet(p);
tx_packet(p);
for(i=0; i<DELAY; i++) { continue; }
}
}
}