--- /dev/null
+/*
+ sim_tiny2313.c
+
+ Copyright 2008, 2009 Michel Pollet <buserror@gmail.com>
+
+ This file is part of simavr.
+
+ simavr 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
+ (at your option) any later version.
+
+ simavr 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 simavr. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include </usr/include/stdio.h>
+#include "sim_core_declare.h"
+#include "avr_eeprom.h"
+#include "avr_extint.h"
+#include "avr_ioport.h"
+#include "avr_uart.h"
+#include "avr_timer.h"
+
+static void init(struct avr_t * avr);
+static void reset(struct avr_t * avr);
+
+#define _AVR_IO_H_
+#define __ASSEMBLER__
+#include "avr/iotn2313.h"
+
+/*
+ * This is a template for all of the tinyx5 devices, hopefully
+ */
+static struct mcu_t {
+ avr_t core;
+ avr_eeprom_t eeprom;
+ avr_extint_t extint;
+ avr_ioport_t portb, portd;
+ avr_uart_t uart;
+ avr_timer_t timer0,timer1;
+} mcu = {
+ .core = {
+ .mmcu = "attiny2313",
+ DEFAULT_CORE(2),
+
+ .init = init,
+ .reset = reset,
+ },
+ AVR_EEPROM_DECLARE_8BIT(EEPROM_READY_vect),
+ .extint = {
+ AVR_EXTINT_TINY_DECLARE(0, 'D', 2, EIFR),
+ AVR_EXTINT_TINY_DECLARE(1, 'D', 3, EIFR),
+ },
+ .portb = {
+ .name = 'B', .r_port = PORTB, .r_ddr = DDRB, .r_pin = PINB,
+ .pcint = {
+ .enable = AVR_IO_REGBIT(GIMSK, PCIE),
+ .raised = AVR_IO_REGBIT(EIFR, PCIF),
+ .vector = PCINT_vect,
+ },
+ .r_pcint = PCMSK,
+ },
+ .portd = { // port D has no PCInts..
+ .name = 'D', .r_port = PORTD, .r_ddr = DDRD, .r_pin = PIND,
+ },
+ .uart = {
+ // no PRR register on the 2313
+ //.disabled = AVR_IO_REGBIT(PRR,PRUSART0),
+ .name = '0',
+ .r_udr = UDR,
+
+ .txen = AVR_IO_REGBIT(UCSRB, TXEN),
+ .rxen = AVR_IO_REGBIT(UCSRB, RXEN),
+
+ .r_ucsra = UCSRA,
+ .r_ucsrb = UCSRB,
+ .r_ucsrc = UCSRC,
+ .r_ubrrl = UBRRL,
+ .r_ubrrh = UBRRH,
+ .rxc = {
+ .enable = AVR_IO_REGBIT(UCSRB, RXCIE),
+ .raised = AVR_IO_REGBIT(UCSRA, RXC),
+ .vector = USART_RX_vect,
+ },
+ .txc = {
+ .enable = AVR_IO_REGBIT(UCSRB, TXCIE),
+ .raised = AVR_IO_REGBIT(UCSRA, TXC),
+ .vector = USART_TX_vect,
+ },
+ .udrc = {
+ .enable = AVR_IO_REGBIT(UCSRB, UDRIE),
+ .raised = AVR_IO_REGBIT(UCSRA, UDRE),
+ .vector = USART_UDRE_vect,
+ },
+ },
+ .timer0 = {
+ .name = '0',
+ .wgm = { AVR_IO_REGBIT(TCCR0A, WGM00), AVR_IO_REGBIT(TCCR0A, WGM01), AVR_IO_REGBIT(TCCR0B, WGM02) },
+ .wgm_op = {
+ [0] = AVR_TIMER_WGM_NORMAL8(),
+ [2] = AVR_TIMER_WGM_CTC(),
+ [3] = AVR_TIMER_WGM_FASTPWM(),
+ [7] = AVR_TIMER_WGM_FASTPWM(),
+ },
+ .cs = { AVR_IO_REGBIT(TCCR0B, CS00), AVR_IO_REGBIT(TCCR0B, CS01), AVR_IO_REGBIT(TCCR0B, CS02) },
+ .cs_div = { 0, 0, 3 /* 8 */, 6 /* 64 */, 8 /* 256 */, 10 /* 1024 */ },
+
+ .r_ocra = OCR0A,
+ .r_ocrb = OCR0B,
+ .r_tcnt = TCNT0,
+
+ .overflow = {
+ .enable = AVR_IO_REGBIT(TIMSK, TOIE0),
+ .raised = AVR_IO_REGBIT(TIFR, TOV0),
+ .vector = TIMER0_OVF_vect,
+ },
+ .compa = {
+ .enable = AVR_IO_REGBIT(TIMSK, OCIE0A),
+ .raised = AVR_IO_REGBIT(TIFR, OCF0A),
+ .vector = TIMER0_COMPA_vect,
+ },
+ .compb = {
+ .enable = AVR_IO_REGBIT(TIMSK, OCIE0B),
+ .raised = AVR_IO_REGBIT(TIFR, OCF0B),
+ .vector = TIMER0_COMPB_vect,
+ },
+ },
+ .timer1 = {
+ .name = '1',
+ // .disabled = AVR_IO_REGBIT(PRR,PRTIM1),
+ .wgm = { AVR_IO_REGBIT(TCCR1A, WGM10), AVR_IO_REGBIT(TCCR1A, WGM11),
+ AVR_IO_REGBIT(TCCR1B, WGM12), AVR_IO_REGBIT(TCCR1B, WGM13) },
+ .wgm_op = {
+ [0] = AVR_TIMER_WGM_NORMAL16(),
+ [4] = AVR_TIMER_WGM_CTC(),
+ [5] = AVR_TIMER_WGM_FASTPWM(),
+ [6] = AVR_TIMER_WGM_FASTPWM(),
+ [7] = AVR_TIMER_WGM_FASTPWM(),
+ },
+ .cs = { AVR_IO_REGBIT(TCCR1B, CS10), AVR_IO_REGBIT(TCCR1B, CS11), AVR_IO_REGBIT(TCCR1B, CS12) },
+ .cs_div = { 0, 0, 3 /* 8 */, 6 /* 64 */, 8 /* 256 */, 10 /* 1024 */ /* External clock T1 is not handled */},
+
+ .r_ocra = OCR1AL,
+ .r_ocrb = OCR1BL,
+ .r_tcnt = TCNT1L,
+
+ .r_ocrah = OCR1AH, // 16 bits timers have two bytes of it
+ .r_ocrbh = OCR1BH,
+ .r_tcnth = TCNT1H,
+
+ .overflow = {
+ .enable = AVR_IO_REGBIT(TIMSK, TOIE1),
+ .raised = AVR_IO_REGBIT(TIFR, TOV1),
+ .vector = TIMER1_OVF_vect,
+ },
+ .compa = {
+ .enable = AVR_IO_REGBIT(TIMSK, OCIE1A),
+ .raised = AVR_IO_REGBIT(TIFR, OCF1A),
+ .vector = TIMER1_COMPA_vect,
+ },
+ .compb = {
+ .enable = AVR_IO_REGBIT(TIMSK, OCIE1B),
+ .raised = AVR_IO_REGBIT(TIFR, OCF1B),
+ .vector = TIMER1_COMPB_vect,
+ },
+ .icr = {
+ .enable = AVR_IO_REGBIT(TIMSK, ICIE1),
+ .raised = AVR_IO_REGBIT(TIFR, ICF1),
+ .vector = TIMER1_CAPT_vect,
+ },
+ },
+};
+
+static avr_t * make()
+{
+ return &mcu.core;
+}
+
+avr_kind_t tiny2313 = {
+ .names = { "attiny2313", "attiny2313v" },
+ .make = make
+};
+
+static void init(struct avr_t * avr)
+{
+ struct mcu_t * mcu = (struct mcu_t*)avr;
+
+ printf("%s init\n", avr->mmcu);
+
+ avr_eeprom_init(avr, &mcu->eeprom);
+ avr_ioport_init(avr, &mcu->portb);
+ avr_ioport_init(avr, &mcu->portd);
+ avr_uart_init(avr, &mcu->uart);
+ avr_timer_init(avr, &mcu->timer0);
+ avr_timer_init(avr, &mcu->timer1);
+}
+
+static void reset(struct avr_t * avr)
+{
+// struct mcu_t * mcu = (struct mcu_t*)avr;
+}
+
projects / simavr / commitdiff