Mercurial > templog
comparison main.c @ 50:cfcd2891b634
merge
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 24 Jun 2012 10:37:56 +0800 |
parents | 9ccd965d938a |
children | c3f5e02c1c42 |
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49:206294a354a7 | 50:cfcd2891b634 |
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22 // - number of sensors (and range?) | 22 // - number of sensors (and range?) |
23 | 23 |
24 // 1 second. we have 1024 prescaler, 32768 crystal. | 24 // 1 second. we have 1024 prescaler, 32768 crystal. |
25 #define SLEEP_COMPARE 32 | 25 #define SLEEP_COMPARE 32 |
26 // limited to uint16_t | 26 // limited to uint16_t |
27 #define MEASURE_WAKE 5 // testing | 27 #define MEASURE_WAKE 60 |
28 | 28 |
29 #define VALUE_NOSENSOR -9000 | 29 #define VALUE_NOSENSOR -9000 |
30 #define VALUE_BROKEN -8000 | 30 #define VALUE_BROKEN -8000 |
31 | 31 |
32 // limited to uint16_t | 32 // limited to uint16_t |
33 #define COMMS_WAKE 40 // XXX testing | 33 #define COMMS_WAKE 3600 // XXX testing |
34 // limited to uint8_t | 34 // limited to uint8_t |
35 #define WAKE_SECS 30 // XXX testing | 35 #define WAKE_SECS 60 // XXX testing |
36 | 36 |
37 #define BAUD 19200 | 37 #define BAUD 19200 |
38 #define UBRR ((F_CPU)/8/(BAUD)-1) | 38 #define UBRR ((F_CPU)/8/(BAUD)-1) |
39 | 39 |
40 #define PORT_LED PORTC | 40 #define PORT_LED PORTC |
44 #define PORT_SHDN PORTD | 44 #define PORT_SHDN PORTD |
45 #define DDR_SHDN DDRD | 45 #define DDR_SHDN DDRD |
46 #define PIN_SHDN PD7 | 46 #define PIN_SHDN PD7 |
47 | 47 |
48 // limited to uint16_t | 48 // limited to uint16_t |
49 #define NUM_MEASUREMENTS 100 | 49 #define NUM_MEASUREMENTS 280 |
50 // limited to uint8_t | 50 // limited to uint8_t |
51 #define MAX_SENSORS 5 | 51 #define MAX_SENSORS 3 |
52 | 52 |
53 // fixed at 8, have a shorter name | 53 // fixed at 8, have a shorter name |
54 #define ID_LEN OW_ROMCODE_SIZE | 54 #define ID_LEN OW_ROMCODE_SIZE |
55 | 55 |
56 // #define HAVE_UART_ECHO | 56 // #define HAVE_UART_ECHO |
124 | 124 |
125 // 3.3v power for bluetooth and SD | 125 // 3.3v power for bluetooth and SD |
126 DDR_LED |= _BV(PIN_LED); | 126 DDR_LED |= _BV(PIN_LED); |
127 DDR_SHDN |= _BV(PIN_SHDN); | 127 DDR_SHDN |= _BV(PIN_SHDN); |
128 | 128 |
129 // set pullup | |
130 PORTD |= _BV(PD2); | |
129 // INT0 setup | 131 // INT0 setup |
130 EIMSK = _BV(INT0); | 132 EIMSK = _BV(INT0); |
131 // set pullup | |
132 PORTD |= _BV(PD2); | |
133 } | 133 } |
134 | 134 |
135 static void | 135 static void |
136 set_aux_power(uint8_t on) | 136 set_aux_power(uint8_t on) |
137 { | 137 { |
166 | 166 |
167 static void | 167 static void |
168 uart_on() | 168 uart_on() |
169 { | 169 { |
170 // Power reduction register | 170 // Power reduction register |
171 //PRR &= ~_BV(PRUSART0); | 171 PRR &= ~_BV(PRUSART0); |
172 | 172 |
173 // All of this needs to be done each time after turning off the PRR | 173 // All of this needs to be done each time after turning off the PRR |
174 // baud rate | 174 // baud rate |
175 UBRR0H = (unsigned char)(UBRR >> 8); | 175 UBRR0H = (unsigned char)(UBRR >> 8); |
176 UBRR0L = (unsigned char)UBRR; | 176 UBRR0L = (unsigned char)UBRR; |
188 // Turn of interrupts and disable tx/rx | 188 // Turn of interrupts and disable tx/rx |
189 UCSR0B = 0; | 189 UCSR0B = 0; |
190 uart_enabled = 0; | 190 uart_enabled = 0; |
191 | 191 |
192 // Power reduction register | 192 // Power reduction register |
193 //PRR |= _BV(PRUSART0); | 193 PRR |= _BV(PRUSART0); |
194 } | 194 } |
195 | 195 |
196 int | 196 int |
197 uart_putchar(char c, FILE *stream) | 197 uart_putchar(char c, FILE *stream) |
198 { | 198 { |
250 fputc('\n', crc_stdout); | 250 fputc('\n', crc_stdout); |
251 } | 251 } |
252 fprintf_P(crc_stdout, PSTR("measurements=%hu\n"), n_measurements); | 252 fprintf_P(crc_stdout, PSTR("measurements=%hu\n"), n_measurements); |
253 for (uint16_t n = 0; n < n_measurements; n++) | 253 for (uint16_t n = 0; n < n_measurements; n++) |
254 { | 254 { |
255 fprintf_P(crc_stdout, PSTR("meas%u="), n); | 255 fprintf_P(crc_stdout, PSTR("meas%hu="), n); |
256 for (uint8_t s = 0; s < n_sensors; s++) | 256 for (uint8_t s = 0; s < n_sensors; s++) |
257 { | 257 { |
258 fprintf_P(crc_stdout, PSTR(" %hu"), measurements[n][s]); | 258 fprintf_P(crc_stdout, PSTR(" %hu"), measurements[n][s]); |
259 } | 259 } |
260 fputc('\n', crc_stdout); | 260 fputc('\n', crc_stdout); |
271 } | 271 } |
272 | 272 |
273 static void | 273 static void |
274 cmd_btoff() | 274 cmd_btoff() |
275 { | 275 { |
276 uint16_t next_wake = COMMS_WAKE - comms_count; | 276 comms_count = 0; |
277 printf_P(PSTR("off:%d\n"), next_wake); | 277 printf_P(PSTR("off:%hu\n"), COMMS_WAKE); |
278 _delay_ms(50); | 278 _delay_ms(100); |
279 comms_timeout = 0; | 279 comms_timeout = 0; |
280 } | 280 } |
281 | 281 |
282 static void | 282 static void |
283 cmd_measure() | 283 cmd_measure() |
617 printf_P(PSTR("Read all sensors, ret %d, waiting...\n"), ret); | 617 printf_P(PSTR("Read all sensors, ret %d, waiting...\n"), ret); |
618 _delay_ms(DS18B20_TCONV_12BIT); | 618 _delay_ms(DS18B20_TCONV_12BIT); |
619 | 619 |
620 if (n_measurements == NUM_MEASUREMENTS) | 620 if (n_measurements == NUM_MEASUREMENTS) |
621 { | 621 { |
622 printf_P(PSTR("Measurements .overflow\n")); | 622 printf_P(PSTR("Measurements overflow\n")); |
623 n_measurements = 0; | 623 n_measurements = 0; |
624 } | 624 } |
625 | 625 |
626 for (uint8_t s = 0; s < MAX_SENSORS; s++) | 626 for (uint8_t s = 0; s < MAX_SENSORS; s++) |
627 { | 627 { |
682 // wait for commands from the master | 682 // wait for commands from the master |
683 idle_sleep(); | 683 idle_sleep(); |
684 } | 684 } |
685 | 685 |
686 uart_off(); | 686 uart_off(); |
687 // in case bluetooth takes time to flush | |
688 _delay_ms(100); | |
687 set_aux_power(0); | 689 set_aux_power(0); |
688 } | 690 } |
689 | 691 |
690 static void | 692 static void |
691 blink() | 693 blink() |
728 check_first_startup(); | 730 check_first_startup(); |
729 | 731 |
730 uart_off(); | 732 uart_off(); |
731 | 733 |
732 // turn off everything except timer2 | 734 // turn off everything except timer2 |
733 //PRR = _BV(PRTWI) | _BV(PRTIM0) | _BV(PRTIM1) | _BV(PRSPI) | _BV(PRUSART0) | _BV(PRADC); | 735 PRR = _BV(PRTWI) | _BV(PRTIM0) | _BV(PRTIM1) | _BV(PRSPI) | _BV(PRUSART0) | _BV(PRADC); |
734 | 736 |
735 // for testing | 737 // for testing |
736 uart_on(); | 738 uart_on(); |
737 | 739 |
738 setup_tick_counter(); | 740 setup_tick_counter(); |
757 do_comms(); | 759 do_comms(); |
758 continue; | 760 continue; |
759 } | 761 } |
760 | 762 |
761 deep_sleep(); | 763 deep_sleep(); |
762 blink(); | 764 if (clock_epoch % 60 == 0) |
765 { | |
766 blink(); | |
767 } | |
763 } | 768 } |
764 | 769 |
765 return 0; /* never reached */ | 770 return 0; /* never reached */ |
766 } | 771 } |