edge_temp.cpp

00001 #include "mbed.h"
00002 #include "LM75B.h"
00003 #include "edge_reset_mgr.h"
00004 #include "edge_sensor.h"
00005 #include "edge_temp.h"
00006 #include "edge_chart.h"
00007 
00008 float *current_temp = 0 ;
00009 
00010 edge_temp::edge_temp(LM75B *temp1, SMTC502AT *temp2, SMTC502AT *temp3, LM75B *temp4) 
00011 {
00012     _temp1 = temp1 ;
00013     _temp2 = temp2 ;
00014     _temp3 = temp3 ;
00015     _temp4 = temp4 ;
00016     _ftemp[0] = _ftemp[1] = _ftemp[2] = _ftemp[3] = 0.0 ;
00017     _interval = 30 ;
00018     current_temp = &_ftemp[1] ; /* use before for current temp */
00019 }
00020 
00021 edge_temp::~edge_temp(void)
00022 {
00023     if (_temp1) {
00024         delete _temp1 ;
00025     }
00026     if (_temp2) {
00027         delete _temp2 ;
00028     }
00029     if (_temp3) {
00030         delete _temp3 ;
00031     }
00032     if (_temp4) {
00033         delete _temp4 ;
00034     }
00035 }
00036 
00037 void    edge_temp::reset(void) 
00038 {
00039 }
00040 
00041 void    edge_temp::prepare(void) 
00042 {
00043 }
00044 
00045 int    edge_temp::sample(void) 
00046 {
00047     int result ;
00048     if (_temp1) {
00049         result = _temp1->getTemp(&_ftemp[0]) ;
00050     }
00051     if (_temp2) {
00052         _ftemp[1] = _temp2->getTemp() ;
00053     }
00054     if (_temp3) {
00055         _ftemp[2] = _temp3->getTemp() ;
00056     }
00057     if (_temp4) {
00058         _temp4->getTemp(&_ftemp[3]) ;
00059     }
00060     _sampled_time = edge_time ;
00061     return( result ) ;
00062 }
00063 
00064 int    edge_temp::deliver(void) 
00065 {
00066     int result ;
00067     char timestr[16] ;
00068     
00069     print_time() ;
00070     printf(" temp: ") ;
00071     if (_temp1) {
00072         printf("LM75B1 = %.2f ", _ftemp[0]) ;
00073     } 
00074     if (_temp2) {
00075         printf("before = %.2f ", _ftemp[1]) ;
00076     }
00077     if (_temp3) {
00078         printf("after = %.2f ", _ftemp[2]) ;
00079     }
00080     if (_temp4) {
00081         printf("LM75B2 = %.2f ", _ftemp[3]) ;
00082     }
00083     printf("\n") ;
00084     time2seq(_sampled_time, timestr) ;
00085     sprintf(_str_buf,
00086     "{\"DEVICE\":\"TEMP04\",\"VAL_1\":\"%.1f\",\"VAL_2\":\"%.1f\",\"VAL_3\":\"%.1f\",\"T\":\"%s\",\"E\":\"%d\"}",
00087         _ftemp[0], _ftemp[1], _ftemp[2], timestr, _error_count) ;
00088     result = afero->setAttribute(1, _str_buf) ;
00089     return( result == afSUCCESS ) ;
00090 }
00091 
00092 int temp_v2y(float value, edge_chart_type *p)
00093 {
00094     int y ;
00095     if (value < p->min) {
00096         value = p->min ;
00097     } else if (value > p->max) {
00098         value = p->max ;
00099     }
00100     y = p->top + p->height - 1
00101         - (int)((p->height - 2) * value /(p->max - p->min)) ;
00102     return( y ) ;
00103 }
00104 
00105 void edge_temp::show(void)
00106 {
00107     edge_chart_type *p = &edge_chart[ _id ] ;
00108     int x, temp, before, after ;
00109     reset_watch_dog() ;
00110     if (display) {
00111         switch(display_mode) {
00112         case DISPLAY_MODE_SUMMARY:
00113             display->BusEnable(true) ;
00114             display->set_font((unsigned char*) Arial12x12);
00115             display->set_font_zoom(2, 2) ;
00116             display->foreground(White) ;
00117             display->locate(EDGE_SUMMARY_X, EDGE_SUMMARY_TIME_Y) ;
00118             displayTime(_sampled_time) ;
00119             display->locate(EDGE_SUMMARY_X, EDGE_SUMMARY_TEMP_Y) ;
00120             display->printf("Temp : %.2f %.2f %.2f",_ftemp[0], _ftemp[1], _ftemp[2]) ;
00121             display->BusEnable(false) ;
00122             reset_watch_dog() ;
00123             break ;
00124         case DISPLAY_MODE_CHART:
00125             x = p->left + p->index + 1;
00126             temp =  temp_v2y(_ftemp[0], p) ;
00127             before = temp_v2y(_ftemp[1], p) ;
00128             after = temp_v2y(_ftemp[2], p) ;
00129             display->BusEnable(true) ;
00130             if (p->index == 0) {
00131                 draw_chart_frame(p) ;
00132             }
00133             display->pixel(x, temp, White) ;
00134             display->pixel(x, before, Red) ;
00135             display->pixel(x, after, Blue) ;
00136             display->BusEnable(false) ;
00137             p->index = (p->index + 1) % (p->width - 2) ;
00138             break ;  
00139         }
00140     }
00141     reset_watch_dog() ;
00142 }
00143