void ds1820_refresh_all(){
for(int i = 0; i < 3; i++){
//Read temperatures from sensors whose conversion is ready
if((temp[i] != DS1820_TEMP_NONE) && (ds1820_convert_ready(DS1820_PIN1 + i))){
temp[i] = ds1820_get_temp(DS1820_PIN1 + i);
//Check for first values
if(temp_min[i] == DS1820_TEMP_NONE){
temp_min[i] = temp[i];
}
if(temp_max[i] == DS1820_TEMP_NONE){
temp_max[i] = temp[i];
}
//Update min/max values
if(temp[i] < temp_min[i]){
temp_min[i] = temp[i];
}else
if(temp[i] > temp_max[i]){
temp_max[i] = temp[i];
}
}
//Start conversion for the next call
if(ds1820_convert(DS1820_PIN1 + i)){
temp[i] = DS1820_TEMP_NONE; //Indication for ready check that there is no sensor
//temp_min[DS1820_PIN1 + i] = DS1820_TEMP_NONE; //Reset min/max values
//temp_max[DS1820_PIN1 + i] = DS1820_TEMP_NONE;
}else
if(temp[i] == DS1820_TEMP_NONE){
temp[i] = DS1820_TEMP_INIT; //Indication for ready check that there is a sensor
}
}
}
////////////////////////////////////////////////////////////////////////////
// Interfacing Function
////////////////////////////////////////////////////////////////////////////
void vTaskDS1820Convert( void *pvParameters ){
char buf[30];
static char print_buf[80];
int ii = 0;
static float fTemp[NUM_SENSORS] = {0.0, 0.0}, fLastTemp[NUM_SENSORS] = {0.0, 0.0};
// initialise the bus
ds1820_init();
if (ds1820_reset() ==PRESENCE_ERROR)
{
ds1820_error(PRESENCE_ERROR);
vConsolePrint("Presence Error, Deleting DS1820 Task\r\n\0");
vTaskDelete(NULL); // if this task fails... delete it
}
// Allocate memory for sensors
b[HLT] = (char *) pvPortMalloc (sizeof(rom)+1);
b[MASH] = (char *) pvPortMalloc (sizeof(rom)+1);
// b[CABINET] = (char *) malloc (sizeof(rom)+1);
// Copy default values
memcpy(b[HLT], HLT_TEMP_SENSOR, sizeof(HLT_TEMP_SENSOR)+1);
memcpy(b[MASH], MASH_TEMP_SENSOR, sizeof(MASH_TEMP_SENSOR)+1);
// memcpy(b[CABINET], CABINET_TEMP_SENSOR, sizeof(CABINET_TEMP_SENSOR)+1);
ds1820_search();
//if (rom[0] == 0x10)
if (rom[0] != 0)
{
sprintf(print_buf, "%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\r\n\0",rom[0],
rom[1], rom[2], rom[3], rom[4], rom[5], rom[6], rom[7]);
vConsolePrint(print_buf);
}
else
{
vConsolePrint("NO SENSOR\r\n\0");
}
for (;;)
{
ds1820_convert();
vTaskDelay(850/portTICK_RATE_MS); // wait for conversion
// save values in array for use by application
for (ii = 0 ; ii < NUM_SENSORS; ii++)
{
fTemp[ii] = ds1820_read_device(b[ii]);
if (fTemp[ii] < 105.0 && fTemp[ii] > 0.0)
{
if ((fTemp[ii] < (temps[ii] + 5.0)) || (fTemp[ii] > (temps[ii] - 5.0)) || (fTemp[ii] <= 85.0 && fTemp[ii] >= 86.0))
{
portENTER_CRITICAL(); // so that other task cannot access temps[] while we are saving.
temps[ii] = fTemp [ii];
portEXIT_CRITICAL();
}
}
if (fTemp[ii] == 0.0)
{
vConsolePrint("zero values. Temp Bus Resetting\r\n\0");
ds1820_power_reset();
ds1820_reset();
}
}
taskYIELD();
}
}
PROCESS_THREAD(rest_server_example, ev, data)
{
static struct etimer ds_periodic_timer;
#if REST_RES_DS1820
static struct etimer ds_read_timer;
#endif
PROCESS_BEGIN();
PRINTF("Starting Erbium Example Server\n");
#ifdef RF_CHANNEL
PRINTF("RF channel: %u\n", RF_CHANNEL);
#endif
#ifdef IEEE802154_PANID
PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);
#endif
PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
PRINTF("LL header: %u\n", UIP_LLH_LEN);
PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);
/* if static routes are used rather than RPL */
#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET) && !defined (CONTIKI_TARGET_NATIVE)
set_global_address();
configure_routing();
#endif
/* Initialize the OSD Hardware. */
hw_init();
/* Initialize the REST engine. */
rest_init_engine();
/* Activate the application-specific resources. */
#if REST_RES_DS1820
rest_activate_resource(&resource_ds1820);
#endif
#if REST_RES_DHT11
rest_activate_resource(&resource_dht11);
#endif
#if REST_RES_DHT11TEMP
rest_activate_resource(&resource_dht11temp);
#endif
#if REST_RES_INFO
rest_activate_resource(&resource_info);
#endif
#if defined (PLATFORM_HAS_LEDS)
#if REST_RES_LEDS
rest_activate_resource(&resource_leds);
#endif
#if REST_RES_TOGGLE
rest_activate_resource(&resource_toggle);
#endif
#endif /* PLATFORM_HAS_LEDS */
#if defined (PLATFORM_HAS_TEMPERATURE) && REST_RES_TEMPERATURE
SENSORS_ACTIVATE(temperature_sensor);
rest_activate_resource(&resource_temperature);
#endif
#if defined (PLATFORM_HAS_BATTERY) && REST_RES_BATTERY
SENSORS_ACTIVATE(battery_sensor);
rest_activate_resource(&resource_battery);
#endif
/* Define application-specific events here. */
etimer_set(&ds_periodic_timer, MESURE_INTERVAL);
while(1) {
PROCESS_WAIT_EVENT();
#if defined (PLATFORM_HAS_BUTTON)
if (ev == sensors_event && data == &button_sensor) {
PRINTF("BUTTON\n");
}
#endif /* PLATFORM_HAS_BUTTON */
if(etimer_expired(&ds_periodic_timer)) {
PRINTF("Periodic\n");
etimer_reset(&ds_periodic_timer);
#if REST_RES_DHT11
// DHT_Read_Data(&dht11_temp, &dht11_hum);
DHT_Read_Data(&dht11_temp, &dht11_hum);
#endif
#if REST_RES_DS1820
if(ds1820_convert()){
etimer_set(&ds_read_timer, READ_TIME);
}
#endif
}
#if REST_RES_DS1820
if(etimer_expired(&ds_read_timer)) {
PRINTF("DS1820_Read\n");
ds1820_read();
}
#endif
} /* while (1) */
PROCESS_END();
}
