diff options
author | Christian Pointner <equinox@spreadspace.org> | 2015-06-21 22:47:21 +0200 |
---|---|---|
committer | Christian Pointner <equinox@spreadspace.org> | 2015-06-21 22:47:21 +0200 |
commit | 24a1b19d6b6671284f05c63b03e420a408828bb9 (patch) | |
tree | d3b00a47612d60a23d3f7f1678885e563dabe687 /usb-1wire/usb-1wire.c | |
parent | use printf_P(PSTR(__fmt__... where possible (diff) |
dos2unix for all files
Diffstat (limited to 'usb-1wire/usb-1wire.c')
-rw-r--r-- | usb-1wire/usb-1wire.c | 336 |
1 files changed, 168 insertions, 168 deletions
diff --git a/usb-1wire/usb-1wire.c b/usb-1wire/usb-1wire.c index a94067c..9a044f0 100644 --- a/usb-1wire/usb-1wire.c +++ b/usb-1wire/usb-1wire.c @@ -1,168 +1,168 @@ -/*
- * spreadspace avr utils - usb-1wire example
- *
- *
- * Copyright (C) 2013-2014 Bernhard Tittelbach <xro@realraum.at>
- * basically this is refactored and enhanced code from:
- * http://www.pjrc.com/teensy/td_libs_OneWire.html
- *
- * This file is part of spreadspace avr utils.
- *
- * spreadspace avr utils is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * any later version.
- *
- * spreadspace avr utils is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#include <stdio.h>
-
-#include "util.h"
-#include "led.h"
-#include "usbio.h"
-
-#define MAX_OWI_DEVICES 8
-
-#include "onewire.h"
-#include "ds1820.h"
-
-
-uint8_t owi_addr_[MAX_OWI_DEVICES][8];
-uint8_t num_owi_dev_found_ = 0;
-uint8_t num_temp_sensors_ = 0;
-
-void discoverOWIBus(void)
-{
- uint8_t d=0;
- led_on();
-
- printf("Searching 1W Bus ");
- num_owi_dev_found_ = 0;
- if (owi_reset())
- printf(" !something is there! ");
- owi_reset_search();
- _delay_ms(250);
-
- while ( owi_search(owi_addr_[ d ]))
- {
- d++;
- printf("%d. found, ", d);
- led_toggle();
- if ( d >= MAX_OWI_DEVICES)
- break;
- }
- num_owi_dev_found_ = d;
- printf(" done \r\n");
- printf("%d devices found\r\n", d);
-
- for (d=0; d<num_owi_dev_found_; d++)
- {
- printf("OW Dev #%d: addr = ", d);
- for (uint8_t a=0; a<8; a++)
- printf("%02x ", owi_addr_[d][a]);
- if (owi_crc8(owi_addr_[d], 7) == owi_addr_[d][7])
- printf(" CRC OK");
- else
- printf(" CRC ERROR");
- printf("\r\n");
- }
- led_off();
-}
-
-void tempToUSB(uint8_t bit_resolution)
-{
- uint8_t sensor_index = 0;
- uint16_t raw_temp = 0;
- double temp=0.0;
-
- led_on();
-
- if (num_temp_sensors_ == 0)
- {
- printf("No DS1820 sensors ?? running bus discovery... \r\n");
- num_temp_sensors_ = ds1820_discover();
- }
- printf("%d DS18x20 sensors on the bus\r\n", num_temp_sensors_);
-
- for (sensor_index=0; sensor_index < num_temp_sensors_; sensor_index++)
- {
- ds1820_set_resolution(sensor_index, bit_resolution);
- ds1820_start_measuring(sensor_index);
- }
-
- ds1820_wait_conversion_time(bit_resolution);
-
- for (sensor_index=0; sensor_index < num_temp_sensors_; sensor_index++)
- {
- raw_temp = ds1820_read_temperature(sensor_index);
- printf("DS1820 #%d: ", sensor_index);
- if (raw_temp == DS1820_ERROR)
- {
- printf("CRC comm error\r\n");
- } else {
- temp = ds1820_raw_temp_to_celsius( raw_temp );
- printf("raw: %d, celsius (float): %f, celsius (int): %d.%02d, %d bit resolution\r\n",
- raw_temp,
- temp ,
- raw_temp / 16, (raw_temp <0 ? -1 : 1) * 100 * (raw_temp % 16) / 16,
- bit_resolution
- );
- }
- }
- led_off();
-}
-
-
-void handle_cmd(uint8_t cmd)
-{
- switch(cmd) {
- case '0': discoverOWIBus(); break;
- case '1': num_temp_sensors_ = ds1820_discover(); break;
- case '2': tempToUSB(9); break;
- case '3': tempToUSB(10); break;
- case '4': tempToUSB(11); break;
- case '5': tempToUSB(12); break;
- case 'r': reset2bootloader(); break;
- default: printf("error\r\n"); return;
- }
- printf("ok\r\n");
-}
-
-int main(void)
-{
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- cpu_init();
- led_init();
- usbio_init();
- sei();
- owi_init(7, &PINC);
-
- for(;;)
- {
- int16_t BytesReceived = usbio_bytes_received();
- while(BytesReceived > 0)
- {
- int ReceivedByte = fgetc(stdin);
- if(ReceivedByte != EOF) {
- handle_cmd(ReceivedByte);
- }
- BytesReceived--;
- }
-
- usbio_task();
- }
-}
+/* + * spreadspace avr utils - usb-1wire example + * + * + * Copyright (C) 2013-2014 Bernhard Tittelbach <xro@realraum.at> + * basically this is refactored and enhanced code from: + * http://www.pjrc.com/teensy/td_libs_OneWire.html + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * spreadspace avr utils is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>. + */ + + +#include <avr/io.h> +#include <avr/wdt.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include <stdio.h> + +#include "util.h" +#include "led.h" +#include "usbio.h" + +#define MAX_OWI_DEVICES 8 + +#include "onewire.h" +#include "ds1820.h" + + +uint8_t owi_addr_[MAX_OWI_DEVICES][8]; +uint8_t num_owi_dev_found_ = 0; +uint8_t num_temp_sensors_ = 0; + +void discoverOWIBus(void) +{ + uint8_t d=0; + led_on(); + + printf("Searching 1W Bus "); + num_owi_dev_found_ = 0; + if (owi_reset()) + printf(" !something is there! "); + owi_reset_search(); + _delay_ms(250); + + while ( owi_search(owi_addr_[ d ])) + { + d++; + printf("%d. found, ", d); + led_toggle(); + if ( d >= MAX_OWI_DEVICES) + break; + } + num_owi_dev_found_ = d; + printf(" done \r\n"); + printf("%d devices found\r\n", d); + + for (d=0; d<num_owi_dev_found_; d++) + { + printf("OW Dev #%d: addr = ", d); + for (uint8_t a=0; a<8; a++) + printf("%02x ", owi_addr_[d][a]); + if (owi_crc8(owi_addr_[d], 7) == owi_addr_[d][7]) + printf(" CRC OK"); + else + printf(" CRC ERROR"); + printf("\r\n"); + } + led_off(); +} + +void tempToUSB(uint8_t bit_resolution) +{ + uint8_t sensor_index = 0; + uint16_t raw_temp = 0; + double temp=0.0; + + led_on(); + + if (num_temp_sensors_ == 0) + { + printf("No DS1820 sensors ?? running bus discovery... \r\n"); + num_temp_sensors_ = ds1820_discover(); + } + printf("%d DS18x20 sensors on the bus\r\n", num_temp_sensors_); + + for (sensor_index=0; sensor_index < num_temp_sensors_; sensor_index++) + { + ds1820_set_resolution(sensor_index, bit_resolution); + ds1820_start_measuring(sensor_index); + } + + ds1820_wait_conversion_time(bit_resolution); + + for (sensor_index=0; sensor_index < num_temp_sensors_; sensor_index++) + { + raw_temp = ds1820_read_temperature(sensor_index); + printf("DS1820 #%d: ", sensor_index); + if (raw_temp == DS1820_ERROR) + { + printf("CRC comm error\r\n"); + } else { + temp = ds1820_raw_temp_to_celsius( raw_temp ); + printf("raw: %d, celsius (float): %f, celsius (int): %d.%02d, %d bit resolution\r\n", + raw_temp, + temp , + raw_temp / 16, (raw_temp <0 ? -1 : 1) * 100 * (raw_temp % 16) / 16, + bit_resolution + ); + } + } + led_off(); +} + + +void handle_cmd(uint8_t cmd) +{ + switch(cmd) { + case '0': discoverOWIBus(); break; + case '1': num_temp_sensors_ = ds1820_discover(); break; + case '2': tempToUSB(9); break; + case '3': tempToUSB(10); break; + case '4': tempToUSB(11); break; + case '5': tempToUSB(12); break; + case 'r': reset2bootloader(); break; + default: printf("error\r\n"); return; + } + printf("ok\r\n"); +} + +int main(void) +{ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + cpu_init(); + led_init(); + usbio_init(); + sei(); + owi_init(7, &PINC); + + for(;;) + { + int16_t BytesReceived = usbio_bytes_received(); + while(BytesReceived > 0) + { + int ReceivedByte = fgetc(stdin); + if(ReceivedByte != EOF) { + handle_cmd(ReceivedByte); + } + BytesReceived--; + } + + usbio_task(); + } +} |