double tempcont::wait_setpoint_reached(double delta, size_t timeout) const {
// poll temperature every second
time_t end_polling=time(NULL)+timeout;
double setpoint=get_setpoint();
double temperature=get_temperature();
while (fabs(temperature-setpoint)>delta && (timeout==0 || end_polling>=time(NULL))) {
sleep(1);
temperature=get_temperature();
}
return temperature;
}
double Eurotherm2000Series::set_setpoint(double ct) {
char buffer[8];
snprintf(buffer,8,fp_format.c_str(),ct);
set_value("SL",buffer);
// extra wait, until the get_setpoint function returns the same value
timespec write_latency;
write_latency.tv_sec=0; write_latency.tv_nsec=50000000;
nanosleep(&write_latency,NULL);
write_latency.tv_nsec=100000000;
int i=100;
while(fabs(get_setpoint()-ct)>1e-4) {
if (i<0) throw Eurotherm2000Series_error("could not confirm setpoint value settings, timeout");
nanosleep(&write_latency,NULL);
--i;
}
return ct;
}
static void select_long_handler(ClickRecognizerRef recognizer, void *context) {
get_setpoint(get_current_setpoint(2, true), get_current_setpoint(2, false), master_temp2, "Temp 2", (SetpointCallback) alarm_2_update);
}
static void up_long_handler(ClickRecognizerRef recognizer, void *context) {
//APP_LOG(APP_LOG_LEVEL_DEBUG, "get setpoint %d %d", alarm_1_upper_setpoint, alarm_1_lower_setpoint);
get_setpoint(get_current_setpoint(1, true), get_current_setpoint(1, false), master_temp1, "Temp 1", (SetpointCallback) alarm_1_update);
}
/*
* Updates temperature information in the web page
*/
static int32_t process_temperature_update( const char* url_parameters, wiced_http_response_stream_t* stream, void* arg, wiced_http_message_body_t* http_data )
{
wiced_iso8601_time_t* curr_time;
float temp_celcius;
float temp_fahrenheit;
float setpoint_celcius = get_setpoint();
float setpoint_fahrenheit;
char temp_char_buffer[6];
int temp_char_buffer_length;
UNUSED_PARAMETER(http_data);
wiced_rtos_lock_mutex( &xively_data.mutex );
if ( xively_data.temperature_reading_index == 0 )
{
curr_time = &xively_data.temperature_readings[MAX_TEMPERATURE_READINGS - 1].timestamp;
}
else
{
curr_time = &xively_data.temperature_readings[xively_data.temperature_reading_index - 1].timestamp;
}
/* Update temperature report with the most recent temperature reading */
temp_celcius = (float) xively_data.last_sample / 10.0f;
temp_fahrenheit = temp_celcius / 5.0f * 9.0f + 32.0f;
setpoint_fahrenheit = setpoint_celcius / 5.0f * 9.0f + 32.0f;
wiced_rtos_unlock_mutex( &xively_data.mutex );
/* Write the time */
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_time_start );
wiced_http_response_stream_write( stream, curr_time->hour, sizeof(curr_time->hour) +
sizeof(curr_time->colon1) +
sizeof(curr_time->minute) +
sizeof(curr_time->colon2) +
sizeof(curr_time->second) );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_time_end );
/* Write the date */
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_date_start );
wiced_http_response_stream_write(stream, curr_time->year, sizeof(curr_time->year) +
sizeof(curr_time->dash1) +
sizeof(curr_time->month) +
sizeof(curr_time->dash2) +
sizeof(curr_time->day) );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_date_end );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_temp_start );
temp_char_buffer_length = sprintf(temp_char_buffer, "%.1f", temp_celcius);
wiced_http_response_stream_write(stream, temp_char_buffer, temp_char_buffer_length );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_temp_mid );
temp_char_buffer_length = sprintf(temp_char_buffer, "%.1f", temp_fahrenheit);
wiced_http_response_stream_write(stream, temp_char_buffer, temp_char_buffer_length );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_temp_end );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_set_start );
temp_char_buffer_length = sprintf(temp_char_buffer, "%.1f", setpoint_celcius);
wiced_http_response_stream_write(stream, temp_char_buffer, temp_char_buffer_length );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_set_mid );
temp_char_buffer_length = sprintf(temp_char_buffer, "%.1f", setpoint_fahrenheit);
wiced_http_response_stream_write(stream, temp_char_buffer, temp_char_buffer_length );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_set_end );
wiced_http_response_stream_write_resource( stream, &resources_apps_DIR_temp_control_DIR_data_html_page_end );
return 0;
}
