Rev Author Line No. Line
1744 kakl 1 #include "main.h"
2012 kaklik 2 #include <math.h>
2164 kaklik 3 #include <stdlib.h>
2161 kaklik 4  
2164 kaklik 5  
2161 kaklik 6 #define INTN_PIN PIN_D7
2160 kaklik 7 #include "GP2.h"
1744 kakl 8  
2163 kaklik 9 #define VERSION "0.2"
1757 kakl 10  
1774 kaklik 11 #define ONE_WIRE_PIN PIN_E2
12 #include "ds1820.c"
13  
2164 kaklik 14 void temperature_measurement() /// Temperature masurement by TDC and dallas sensor
15  
16 {
17 //For temperature measurement TDC unit must be initialised in measurement mode2 this is not destribed in datasheet!!
1745 kakl 18 TDC_reset();
2164 kaklik 19 en_int= TDC_INT_ALU | TDC_INT_ENDHIT | TDC_INT_TIMEOUT; // eneble all possible interrupt flags
20 en_err_val=TDC_ERRVAL_EN; // enable of error value output
21 clkhsdiv=TDC_CLKHSDIV_4; // divide clkHS by 4
2015 kaklik 22  
2164 kaklik 23 portnum=TDC_TPORTNUM_4;
24 Tcycle=TDC_TCYCLE_SHORT;
25 fakenum=TDC_TFAKENUM_2;
26 selclkT=TDC_TSELCLK_128HS;
2163 kaklik 27  
2164 kaklik 28 TDC_update_registers();
29 delay_ms(10);
30  
31 TDC_init();
32 delay_ms(50);
33  
34 TDC_start_temp();
35 While(input(INTN_PIN)); // waiting for interrupt flag
36  
37 printf("$TDC%s TMP %10LU %10LU %10LU %10LU ", VERSION, TDC_get_measurement(1), TDC_get_measurement(2), TDC_get_measurement(3), TDC_get_measurement(4));
38 printf("%f \r\n",ds1820_read()+273.15);
39  
40 }
41  
2181 kaklik 42 void measurementM1(unsigned int hits1,unsigned int hits2,)
2164 kaklik 43 {
2181 kaklik 44 TDC_reset();
45 delay_ms(50);
46 en_int= TDC_INT_ALU | TDC_INT_ENDHIT | TDC_INT_TIMEOUT; // eneble all possible interrupt flags
47 en_err_val=TDC_ERRVAL_EN; // enable of error value output
48 clkhsdiv=TDC_CLKHSDIV_4; // divide clkHS by 2
49 firenum=TDC_FIRENUM_1;
50 calibrate=TDC_CALIBRATE_EN;
51 disautocal=TDC_AUTOCAL_EN; // automatic calibration enabled
52  
53 rfedge2=TDC_CH2EDGE_FAL_RIS; // stop channels input edge sensityvity selection
54 rfedge1=TDC_CH1EDGE_FAL_RIS;
55  
2178 kaklik 56 MRange=TDC_MRANGE1;
57 hit1=TDC_MRANGE1_HIT1_NOAC;
58 hit2=TDC_MRANGE1_HIT2_NOAC;
2181 kaklik 59  
60  
2182 kaklik 61 // hitin2=TDC_HITIN2_1;
62 // hitin1=TDC_HITIN1_1;
63  
2178 kaklik 64 delval1=0x0;
65 delval2=0x0;
66 delval3=0x0;
2181 kaklik 67  
68 switch(hits2) // sets number of hits on channel 1
69 {
70 case 0:
71 hitin2=TDC_HITIN2_0;
72 break;
73  
74 case 1:
75 hitin2=TDC_HITIN2_1;
76 break;
77  
78 case 2:
79 hitin2=TDC_HITIN2_2;
80 break;
81  
82 case 3:
83 hitin2=TDC_HITIN2_3;
84 break;
85  
86 case 4:
87 hitin2=TDC_HITIN2_4;
88 break;
89  
90 default: return;
91 }
92  
93 switch(hits1) // sets number of hits on channel 1
94 {
95 case 0:
96 hitin1=TDC_HITIN1_0;
97 break;
98  
99 case 1:
100 hitin1=TDC_HITIN1_1;
101 break;
102  
103 case 2:
104 hitin1=TDC_HITIN1_2;
105 break;
106  
107 case 3:
108 hitin1=TDC_HITIN1_3;
109 break;
110  
111 case 4:
112 hitin1=TDC_HITIN1_4;
113 break;
114  
115 default: return;
116 }
117  
2178 kaklik 118 TDC_update_registers();
119  
2181 kaklik 120 delay_ms(50);
2178 kaklik 121  
122  
123 //----------------------------------------------- Mereni 1
124  
125 TDC_init();
2181 kaklik 126 // TDC_start_cycle(); // Fire pulse generator activation
127 delay_ms(100);
2178 kaklik 128  
2181 kaklik 129 While(!input(INTN_PIN)); // waiting for interrupt flag
130  
2178 kaklik 131 //----------------------------------------------- Pocitani
132  
133 // printf("Time1: %LX %LX %LX %LX ", TDC_get_measurement(1), TDC_get_measurement(2), TDC_get_measurement(3), TDC_get_measurement(4));
134  
135 /* output_low(TDC_ENABLE); //status register
136 ret8=0;
137 ret8=(0b1011<<4)|4;
138 spi_xfer(TDC_stream,ret8,8);
139 ret16=spi_xfer(TDC_stream,0,16);
140 output_high(TDC_ENABLE);
141  
142 printf("[%Lu %Lu %Lu %Lu %Lu %Lu %Lu]\r\n", (1&(ret16)>>12), (1&(ret16)>>11), (1&(ret16)>>10), 1&(ret16)>>9, 7&(ret16)>>6, 7&(ret16)>>3, 7&TDC_get_status());
143 */
144  
2181 kaklik 145 printf("[%Lu %Lu %Lu %Lu %Lu %Lu %Lu]\r\n", (1&(TDC_get_status())>>12), (1&(TDC_get_status())>>11), (1&(TDC_get_status())>>10), 1&(TDC_get_status())>>9, 7&(TDC_get_status())>>6, 7&(TDC_get_status())>>3, 7&TDC_get_status());
2178 kaklik 146  
2181 kaklik 147 printf("$TDC%s M1 ", VERSION);
148 printf("%f %f", TDC_mrange1_get_time(1,1,1,2), TDC_mrange1_get_time(1,0,1,1));
149  
150 // syntax TDC_mrange1_get_time(Channel, shot, Channel , shot )
151  
152 printf("\r\n");
2178 kaklik 153 }
154  
155  
156 void measurementM2(unsigned int hits)
157 {
2181 kaklik 158 unsigned int i;
159  
2163 kaklik 160 TDC_reset();
161 delay_ms(50);
1980 kaklik 162 MRange=TDC_MRANGE2; // sets measurement mode
2181 kaklik 163 hit1=TDC_MRANGE2_HIT1_START; // time is always counted from start pulse at this measurement mode
1980 kaklik 164 hitin2=TDC_HITIN2_0; // disable channel 2 (normal state for this mode)
165 en_int= TDC_INT_ALU | TDC_INT_ENDHIT | TDC_INT_TIMEOUT; // eneble all possible interrupt flags
166 en_err_val=TDC_ERRVAL_EN; // enable of error value output
167 clkhsdiv=TDC_CLKHSDIV_4; // divide clkHS by 4
2162 kaklik 168 firenum=TDC_FIRENUM_1;
1980 kaklik 169  
2181 kaklik 170 switch(hits) // sets number of hits on channel 1
2178 kaklik 171 {
172 case 1:
173 hitin1=TDC_HITIN1_2;
174 break;
175  
176 case 2:
177 hitin1=TDC_HITIN1_3;
178 break;
179  
180 case 3:
181 hitin1=TDC_HITIN1_4;
182 break;
183  
184 default: return;
185 }
186  
1980 kaklik 187 delval1=0x0; // windowing disabled
1965 kaklik 188 delval2=0x0;
189 delval3=0x0;
190  
191 TDC_update_registers();
1931 kaklik 192  
2161 kaklik 193 delay_ms(10);
1980 kaklik 194  
2161 kaklik 195 //----------------------------------------------- Measuring mode 2
1886 kakl 196  
197 TDC_init();
2161 kaklik 198 delay_ms(50);
199 TDC_start_cycle();
200 While(!input(INTN_PIN)); // waiting for interrupt flag
2163 kaklik 201  
202 // STOP2 INPUT MUST BE PULLED HIGH - else GP2 does not respond to stop pulses!
2160 kaklik 203  
2181 kaklik 204 //----------------------------------------------- Calculate and print output
1964 kaklik 205  
2163 kaklik 206 printf("$TDC%s M2 ", VERSION);
2181 kaklik 207 for(i=1;i<=hits;i++) printf(" %4.6f", TDC_mrange2_get_time(i));
208 printf("\r\n");
2012 kaklik 209  
2164 kaklik 210 }
1967 kaklik 211  
2179 kaklik 212 void get_command(char *ptr, unsigned int max) // gets string of defined maximum lenght
213 {
214 char c=0;
215 unsigned int len=0;
2012 kaklik 216  
2179 kaklik 217 while ((c=getc()) != 13)
218 {
219 ptr[len]=c;
220  
221 if (len == max-2)
222 {
223 ptr[len+1]=0;
224 return;
225 }
226 len++;
227 }
228  
2181 kaklik 229 ptr[len]=0;
2179 kaklik 230 return;
231 }
232  
233  
2164 kaklik 234 void main()
235 {
236  
237 char command[20];
238 char tmp[5];
2179 kaklik 239 char *ptr;
2181 kaklik 240 unsigned long parameter, parameter2;
2164 kaklik 241 setup_adc_ports(NO_ANALOGS|VSS_VDD);
242 setup_adc(ADC_CLOCK_DIV_2);
243 setup_spi(SPI_SS_DISABLED);
244 setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
245 setup_timer_1(T1_DISABLED);
246 setup_timer_2(T2_DISABLED,0,1);
247 setup_ccp1(CCP_OFF);
248 setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard
249  
250 TDC_reset();
251 delay_ms(50);
252  
2178 kaklik 253 printf("\r\n\r\n# TDC%s (C) 2011 Jakub Kakona\r\n",VERSION); // Welcome message
254 // printf("#%s\r\n",&REV[4]);
255  
2164 kaklik 256 while(TRUE)
257 {
2179 kaklik 258 printf("$TDC%s->", VERSION); // print prompt
259 get_command(command, 20); // receive command from terminal
260 printf("%s\r\n", command); // echo received command
2182 kaklik 261  
2164 kaklik 262 strcpy(tmp,"TM");
2178 kaklik 263 if (!strncmp(command, tmp, 2)) temperature_measurement();
1980 kaklik 264  
2178 kaklik 265 strcpy(tmp,"M2 ");
266 if (!strncmp(command, tmp, 3))
267 {
2179 kaklik 268 parameter=strtol(command+3,&ptr,10);
2178 kaklik 269 measurementM2(parameter);
270 }
1980 kaklik 271  
2178 kaklik 272 strcpy(tmp,"M1 ");
273 if (!strncmp(command, tmp, 3))
274 {
2181 kaklik 275 parameter=strtol(command+3,&ptr,10);
276 parameter2=strtol(ptr,&ptr,10);
277 printf("%lu\r\n", parameter); // echo received command
278 printf("%lu\r\n", parameter2); // echo received command
279 measurementM1(parameter, parameter2);
2178 kaklik 280 }
1980 kaklik 281  
1886 kakl 282 }
1744 kakl 283 }