diff options
author | Christian Pointner <equinox@mur.at> | 2015-02-17 02:09:49 +0100 |
---|---|---|
committer | Christian Pointner <equinox@mur.at> | 2015-02-17 02:09:49 +0100 |
commit | 6d4ccdeab0b530bfd92e57e4cc7d7f2cf9225314 (patch) | |
tree | 93e1f9315060ccf31cb8c54a393a62cb7392a006 /software/hhd70dongle/util.c | |
parent | hhd70: started refactoring of cc1101 code (diff) |
moved old hhd70dongle codebase
Diffstat (limited to 'software/hhd70dongle/util.c')
-rw-r--r-- | software/hhd70dongle/util.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/software/hhd70dongle/util.c b/software/hhd70dongle/util.c deleted file mode 100644 index dce23b9..0000000 --- a/software/hhd70dongle/util.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * - * mur.sat - * - * Somewhen in the year 20xx, mur.at will have a nano satellite launched - * into a low earth orbit (310 km above the surface of our planet). The - * satellite itself is a TubeSat personal satellite kit, developed and - * launched by interorbital systems. mur.sat is a joint venture of mur.at, - * ESC im Labor and realraum. - * - * Please visit the project hompage at sat.mur.at for further information. - * - * - * Copyright (C) 2012 Bernhard Tittelbach <xro@realraum.at> - * - * This file is part of mur.sat. - * - * mur.sat 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. - * - * mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>. - * - */ -#include <avr/io.h> -#include <avr/interrupt.h> -#include <util/delay.h> -#include "util.h" - -typedef void (*f_ptr_type)(void); -f_ptr_type start_bootloader = (f_ptr_type)0x3800; - -void reset(void) -{ - cli(); - // disable watchdog, if enabled - // disable all peripherals - UDCON = 1; - USBCON = (1<<FRZCLK); // disable USB - UCSR1B = 0; - _delay_ms(5); - EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0; - TIMSK0 = 0; TIMSK1 = 0; TIMSK3 = 0; TIMSK4 = 0; UCSR1B = 0; TWCR = 0; - DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; TWCR = 0; - PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0; - start_bootloader(); -} - -//not switchin off adc produces slightly besser results -void adc_on(void) -{ - ADCSRA = (1<<ADEN) | 0b00000111; // enable ADC, Prescaler 1:128 -} - -void adc_off(void) -{ - ADCSRA &= ~(1<<ADEN); // disable ADC -> save power -} - -uint8_t adc_read(uint8_t mux) -{ - ADCSRB = (mux & 0x20); // select input - ADMUX = 0b11100000 | (mux & 0x1F); // select input cont'd - // select internal 2.56V reference, - // result is left justified - ADCSRA |= (1<<ADSC); // start the conversion - while (ADCSRA & (1<<ADSC)) ; // wait for result - return ADCH; -} - -void debug_sprint_int16hex(char *buffer, int16_t num) -{ - int c,n; - for (c=0; c<4; c++) - { - n = (num >> (3-c)*4 ) & 15; - buffer[c] = n + ((n < 10) ? '0' : 'A' - 10); - } - buffer[4]=0; -} |