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Diffstat (limited to 'software/avr.lib/util.c')
| -rw-r--r-- | software/avr.lib/util.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/software/avr.lib/util.c b/software/avr.lib/util.c deleted file mode 100644 index 7f15bfe..0000000 --- a/software/avr.lib/util.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * spreadspace avr utils - * - * - * Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org> - * - * 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/interrupt.h> -#include <avr/io.h> -#include <util/delay.h> - -#include "util.h" - -#if defined(CLKPR) -#define CPU_PRESCALE(n) do { CLKPR = 0x80; CLKPR = (n); } while(0) -#else -#define CPU_PRESCALE(n) -#endif - -void cpu_init(void) -{ - CPU_PRESCALE(0); -} - -#if defined JTD -void jtag_disable(void) -{ - uint8_t tempreg; - __asm __volatile("in %[tempreg], %[mcucr]" "\n\t" - "ori %[tempreg], %[jtd]" "\n\t" - "out %[mcucr], %[tempreg]" "\n\t" - "out %[mcucr], %[tempreg]" - : [tempreg] "=d" (tempreg) - : [mcucr] "I" (_SFR_IO_ADDR(MCUCR)), [jtd] "M" (_BV(JTD))); -} -#endif - -#if defined(__BOARD_teensy1__) - #define BOOTLOADER_VEC 0x3E00 -#elif defined(__BOARD_teensy2__) - #define BOOTLOADER_VEC 0x7E00 -#elif defined(__BOARD_teensy1pp__) - #define BOOTLOADER_VEC 0xFC00 -#elif defined(__BOARD_teensy2pp__) - #define BOOTLOADER_VEC 0x1FC00 -#elif defined(__BOARD_minimus__) - #define BOOTLOADER_VEC 0x3000 -#elif defined(__BOARD_minimus32__) - #define BOOTLOADER_VEC 0x3800 -#elif defined(__BOARD_hhd70dongle__) || defined(__BOARD_rda1846dongle__) || defined(__BOARD_culV3__) - #define BOOTLOADER_VEC 0x3800 -#elif defined(__BOARD_slowpandongle1__) || defined(__BOARD_slowpandongle2__) || defined(__BOARD_teenstep__) - #define BOOTLOADER_VEC 0x3800 -#elif defined(__BOARD_rhmixxx__) - #define BOOTLOADER_VEC 0xF000 -#else - #define BOOTLOADER_VEC 0x0000 -#endif - -typedef void (*f_ptr_type)(void); -f_ptr_type start_bootloader = (f_ptr_type)BOOTLOADER_VEC; - -void reset2bootloader(void) -{ -#if defined(__BOARD_teensy1__) || defined(__BOARD_teensy1pp__) || defined(__BOARD_teensy2__) || defined(__BOARD_teensy2pp__) || \ - defined(__BOARD_hhd70dongle__) || defined(__BOARD_rda1846dongle__) || defined(__BOARD_culV3__) || \ - defined(__BOARD_slowpandongle1__) || defined(__BOARD_slowpandongle2__) || defined(__BOARD_teenstep__) || \ - defined(__BOARD_rhmixxx__) || defined(__BOARD_minimus__) || defined(__BOARD_minimus32__) - cli(); - // disable watchdog, if enabled - // disable all peripherals - UDCON = 1; - USBCON = (1<<FRZCLK); // disable USB - UCSR1B = 0; - _delay_ms(5); - #if defined(__BOARD_teensy1__) - EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; - TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0; - DDRB = 0; DDRC = 0; DDRD = 0; - PORTB = 0; PORTC = 0; PORTD = 0; - #elif defined(__BOARD_teensy2__) - 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; - #elif defined(__BOARD_teensy1pp__) - EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0; - TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0; - DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; - PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0; - #elif defined(__BOARD_teensy2pp__) - EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0; - TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0; - DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; - PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0; - #elif defined(__BOARD_minimus__) || defined(__BOARD_slowpandongle1__) - EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; - TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0; - DDRB = 0; DDRC = 0; DDRD = 0; - PORTB = 0; PORTC = 0; PORTD = 0; - #elif defined(__BOARD_minimus32__) - EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; - TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0; - DDRB = 0; DDRC = 0; DDRD = 0; - PORTB = 0; PORTC = 0; PORTD = 0; - #elif defined(__BOARD_hhd70dongle2__) || defined(__BOARD_hhd70dongle__) || defined(__BOARD_rda1846dongle__) || defined(__BOARD_culV3__) || \ - defined(__BOARD_slowpandongle2__) || defined(__BOARD_teenstep__) - 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; - #elif defined(__BOARD_rhmixxx__) - EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0; - TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0; - DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; - PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0; - #endif - start_bootloader(); -#endif -} |