PROCESS_THREAD(nodetest_process, ev, data)
{
uint16_t tmp;
char tempstr[32];
uint32_t adc = 0;
const uint8_t gain = 32;
static struct etimer et;
PROCESS_BEGIN();
broadcast_open(&broadcast, 129, &broadcast_call);
printf("Initiating stcn75\r\n");
stcn75_init();
lmp_init();
lmp_setup();
while(1) {
/* Delay 2-4 seconds */
etimer_set(&et, CLOCK_SECOND * 2 + random_rand() % (CLOCK_SECOND * 2));
//etimer_set(&et, CLOCK_SECOND);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
//Reading ic temp
stcn75_read(&tmp);
//Reading probe temp
if(lmp_read_data(ADC_DONE, 1) == 0xFF){
printf("ADC data NOT Avlaiable\r\n");
}else {
adc = lmp_read_data(ADC_DOUT, 3);
}
//Converting ic tmp and RAWadc/gain data to string
adc = adc/gain;
adc = adc << 8;
adc |= tmp;
snprintf(tempstr, sizeof(tempstr), "%d", adc);
//Transmitting string
packetbuf_copyfrom(tempstr, strlen(tempstr)+1);
broadcast_send(&broadcast);
printf("broadcast message sent, data: %s\n\r",tempstr);
// playing with RADIO settings...
// printf("power: %d\r\n",rf230_get_txpower());
//printf("return: %d\r\n",rf230_cw_on());
//rf230_cw_off();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
static void
broadcast_recv(struct broadcast_conn *c, const rimeaddr_t *from)
{
long temp;
int rssi;
int lqi;
int i = 0;
long RTD = 0;
uint32_t hel = 0;
uint32_t dec = 0;
char tkn = ' ';
uint16_t data[6];
uint16_t tmp = 0;
uint16_t res = 0;
uint16_t nod_tmp = 0;
uint16_t adr = 0x2c;
rssi = packetbuf_attr(PACKETBUF_ATTR_RSSI);
lqi = packetbuf_attr(PACKETBUF_ATTR_LINK_QUALITY);
switch (from->u8[0]){
case 0xD0: //Nod1
adr=0x2c;
break;
case 0x4D: //Nod2
adr=0x33;
break;
case 0x1C: //Nod3
adr=0x3a;
break;
default : //Nod?
adr=0x2c;
break;
}
/* printf("broadcast message received from %d.%d: '%s'\r\n",
from->u8[0], from->u8[1], (char *)packetbuf_dataptr());
printf("RSSI: %d LQI: %d \r\n",rssi,lqi);
*/
temp = atoi((char *)packetbuf_dataptr());
//Extract ic temp
nod_tmp = temp & 0x000000FF;
temp = temp >> 8;
//Calculate probe temp
RTD = (4*2010*temp)/(16777);
if(RTD<100000) {
temp = (100000-RTD)*25430;
tkn = '-';
}else{
temp = (RTD-100000)*25700;
tkn = ' ';
}
hel = (temp/10000000);
dec = ((temp-hel*10000000)/100000);
//printf("RTD: %d temp: %d => %c%d.%02dC\r\n",RTD,temp,tkn,hel,dec);
//Gatewaytemp
res = stcn75_read(&tmp);
/*if (0 != res) {
printf("Oh no!\r\n");
}*/
//data words for rfid
data[0] = tmp;
data[1] = nod_tmp;
data[2] = tkn;
data[3] = hel;
data[4] = dec;
data[5] = rssi;
data[6] = lqi;
/*
printf("Broadcast from %03d.%03d: RSSI: %03d LQI: %03d recived '%s'\r\n", from->u8[0], from->u8[1], rssi, lqi, (char *)packetbuf_dataptr());
printf("Gatewaytemp %dC NodeIC_temp %dC NodeProbe_temp %c%d.%dC\r\n",tmp,nod_tmp,tkn,hel,dec);
*/
//0x2C is the first physical adress in em4325 user memory.
//printf("Writing 0x%x to mem adr 0x%x on em4325\r\n",data,0x2C);
//status = F8 means command executed, device in sleep mode.
//status = E0 means command executed, device in open mode....
for(i=0; i<7; i++){
//em_write_word(adr,data[i]);
printf("write status: %x\r\n",em_write_word(adr,data[i]));
adr++;
}
}