From cf715dc4a43daadd0128f882726213307da48070 Mon Sep 17 00:00:00 2001 From: nnayo Date: Mon, 3 Mar 2014 15:52:01 +0100 Subject: [PATCH] cores: Add atmega2560 --- simavr/cores/sim_atmega2560.c | 815 ++++++++++++++++++++++++++++++++++ 1 file changed, 815 insertions(+) create mode 100644 simavr/cores/sim_atmega2560.c diff --git a/simavr/cores/sim_atmega2560.c b/simavr/cores/sim_atmega2560.c new file mode 100644 index 0000000..5897be2 --- /dev/null +++ b/simavr/cores/sim_atmega2560.c @@ -0,0 +1,815 @@ +/* + sim_mega2560.c + + Copyright 2008, 2009 Michel Pollet + Copyright 2013 Yann GOUY + + 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 . + */ + +#include "sim_avr.h" +#include "sim_core_declare.h" +#include "avr_eeprom.h" +#include "avr_flash.h" +#include "avr_watchdog.h" +#include "avr_extint.h" +#include "avr_ioport.h" +#include "avr_uart.h" +#include "avr_adc.h" +#include "avr_timer.h" +#include "avr_spi.h" +#include "avr_twi.h" + +void m2560_init(struct avr_t * avr); +void m2560_reset(struct avr_t * avr); + +#define _AVR_IO_H_ +#define __ASSEMBLER__ +#ifndef __AVR_ATmega2560__ +#define __AVR_ATmega2560__ +#endif +#include "avr/iom2560.h" + +/* + * This is a template for all of the 2560 devices, hopefully + */ +const struct mcu_t { + avr_t core; + avr_eeprom_t eeprom; + avr_flash_t selfprog; + avr_watchdog_t watchdog; + avr_extint_t extint; + avr_ioport_t porta, portb, portc, portd, porte, portf, portg, porth, portj, portk, portl; + avr_uart_t uart0,uart1; + avr_uart_t uart2,uart3; + avr_adc_t adc; + avr_timer_t timer0,timer1,timer2,timer3,timer4,timer5; + avr_spi_t spi; + avr_twi_t twi; + } mcu_mega2560 = { + .core = { + .mmcu = "atmega2560", + DEFAULT_CORE(4), + + .init = m2560_init, + .reset = m2560_reset, + + .rampz = RAMPZ, // extended program memory access + }, + AVR_EEPROM_DECLARE(EE_READY_vect), + AVR_SELFPROG_DECLARE(SPMCSR, SPMEN, SPM_READY_vect), + AVR_WATCHDOG_DECLARE(WDTCSR, WDT_vect), + .extint = { + AVR_EXTINT_MEGA_DECLARE(0, 'D', PD0, A), + AVR_EXTINT_MEGA_DECLARE(1, 'D', PD1, A), + AVR_EXTINT_MEGA_DECLARE(2, 'D', PD2, A), + AVR_EXTINT_MEGA_DECLARE(3, 'D', PD3, A), + AVR_EXTINT_MEGA_DECLARE(4, 'E', PE4, B), + AVR_EXTINT_MEGA_DECLARE(5, 'E', PE5, B), + AVR_EXTINT_MEGA_DECLARE(6, 'E', PE6, B), + AVR_EXTINT_MEGA_DECLARE(7, 'E', PE7, B), + }, + .porta = { + .name = 'A', .r_port = PORTA, .r_ddr = DDRA, .r_pin = PINA, + }, + .portb = { + .name = 'B', .r_port = PORTB, .r_ddr = DDRB, .r_pin = PINB, + .pcint = { + .enable = AVR_IO_REGBIT(PCICR, PCIE0), + .raised = AVR_IO_REGBIT(PCIFR, PCIF0), + .vector = PCINT0_vect, + }, + .r_pcint = PCMSK0, + }, + .portc = { + .name = 'C', .r_port = PORTC, .r_ddr = DDRC, .r_pin = PINC, + }, + .portd = { + .name = 'D', .r_port = PORTD, .r_ddr = DDRD, .r_pin = PIND, + }, + .porte = { + .name = 'E', .r_port = PORTE, .r_ddr = DDRE, .r_pin = PINE, + }, + .portf = { + .name = 'F', .r_port = PORTF, .r_ddr = DDRF, .r_pin = PINF, + }, + .portg = { + .name = 'G', .r_port = PORTG, .r_ddr = DDRG, .r_pin = PING, + }, + + .porth = { + .name = 'H', .r_port = PORTH, .r_ddr = DDRH, .r_pin = PINH, + }, + .portj = { + .name = 'J', .r_port = PORTJ, .r_ddr = DDRJ, .r_pin = PINJ, + }, + .portk = { + .name = 'K', .r_port = PORTK, .r_ddr = DDRK, .r_pin = PINK, + }, + .portl = { + .name = 'L', .r_port = PORTL, .r_ddr = DDRL, .r_pin = PINL, + }, + + .uart0 = { + .disabled = AVR_IO_REGBIT(PRR0,PRUSART0), + .name = '0', + .r_udr = UDR0, + + .txen = AVR_IO_REGBIT(UCSR0B, TXEN0), + .rxen = AVR_IO_REGBIT(UCSR0B, RXEN0), + .ucsz = AVR_IO_REGBITS(UCSR0C, UCSZ00, 0x3), // 2 bits + .ucsz2 = AVR_IO_REGBIT(UCSR0B, UCSZ02), // 1 bits + + .r_ucsra = UCSR0A, + .r_ucsrb = UCSR0B, + .r_ucsrc = UCSR0C, + .r_ubrrl = UBRR0L, + .r_ubrrh = UBRR0H, + .rxc = { + .enable = AVR_IO_REGBIT(UCSR0B, RXCIE0), + .raised = AVR_IO_REGBIT(UCSR0A, RXC0), + .vector = USART0_RX_vect, + }, + .txc = { + .enable = AVR_IO_REGBIT(UCSR0B, TXCIE0), + .raised = AVR_IO_REGBIT(UCSR0A, TXC0), + .vector = USART0_TX_vect, + }, + .udrc = { + .enable = AVR_IO_REGBIT(UCSR0B, UDRIE0), + .raised = AVR_IO_REGBIT(UCSR0A, UDRE0), + .vector = USART0_UDRE_vect, + }, + }, + .uart1 = { + .disabled = AVR_IO_REGBIT(PRR1,PRUSART1), + .name = '1', + .r_udr = UDR1, + + .txen = AVR_IO_REGBIT(UCSR1B, TXEN1), + .rxen = AVR_IO_REGBIT(UCSR1B, RXEN1), + .ucsz = AVR_IO_REGBITS(UCSR1C, UCSZ10, 0x3), // 2 bits + .ucsz2 = AVR_IO_REGBIT(UCSR1B, UCSZ12), // 1 bits + + .r_ucsra = UCSR1A, + .r_ucsrb = UCSR1B, + .r_ucsrc = UCSR1C, + .r_ubrrl = UBRR1L, + .r_ubrrh = UBRR1H, + .rxc = { + .enable = AVR_IO_REGBIT(UCSR1B, RXCIE1), + .raised = AVR_IO_REGBIT(UCSR1A, RXC1), + .vector = USART1_RX_vect, + }, + .txc = { + .enable = AVR_IO_REGBIT(UCSR1B, TXCIE1), + .raised = AVR_IO_REGBIT(UCSR1A, TXC1), + .vector = USART1_TX_vect, + }, + .udrc = { + .enable = AVR_IO_REGBIT(UCSR1B, UDRIE1), + .raised = AVR_IO_REGBIT(UCSR1A, UDRE1), + .vector = USART1_UDRE_vect, + }, + }, + + .uart2 = { + .disabled = AVR_IO_REGBIT(PRR1,PRUSART2), + .name = '2', + .r_udr = UDR2, + + .txen = AVR_IO_REGBIT(UCSR2B, TXEN2), + .rxen = AVR_IO_REGBIT(UCSR2B, RXEN2), + .ucsz = AVR_IO_REGBITS(UCSR2C, UCSZ20, 0x3), // 2 bits + .ucsz2 = AVR_IO_REGBIT(UCSR2B, UCSZ22), // 1 bits + + .r_ucsra = UCSR2A, + .r_ucsrb = UCSR2B, + .r_ucsrc = UCSR2C, + .r_ubrrl = UBRR2L, + .r_ubrrh = UBRR2H, + .rxc = { + .enable = AVR_IO_REGBIT(UCSR2B, RXCIE2), + .raised = AVR_IO_REGBIT(UCSR2A, RXC2), + .vector = USART2_RX_vect, + }, + .txc = { + .enable = AVR_IO_REGBIT(UCSR2B, TXCIE2), + .raised = AVR_IO_REGBIT(UCSR2A, TXC2), + .vector = USART2_TX_vect, + }, + .udrc = { + .enable = AVR_IO_REGBIT(UCSR2B, UDRIE2), + .raised = AVR_IO_REGBIT(UCSR2A, UDRE2), + .vector = USART2_UDRE_vect, + }, + }, + + .uart3 = { + .disabled = AVR_IO_REGBIT(PRR1,PRUSART3), + .name = '3', + .r_udr = UDR3, + + .txen = AVR_IO_REGBIT(UCSR3B, TXEN3), + .rxen = AVR_IO_REGBIT(UCSR3B, RXEN3), + .ucsz = AVR_IO_REGBITS(UCSR3C, UCSZ30, 0x3), // 2 bits + .ucsz2 = AVR_IO_REGBIT(UCSR3B, UCSZ32), // 1 bits + + .r_ucsra = UCSR3A, + .r_ucsrb = UCSR3B, + .r_ucsrc = UCSR3C, + .r_ubrrl = UBRR3L, + .r_ubrrh = UBRR3H, + .rxc = { + .enable = AVR_IO_REGBIT(UCSR3B, RXCIE3), + .raised = AVR_IO_REGBIT(UCSR3A, RXC3), + .vector = USART3_RX_vect, + }, + .txc = { + .enable = AVR_IO_REGBIT(UCSR3B, TXCIE3), + .raised = AVR_IO_REGBIT(UCSR3A, TXC3), + .vector = USART3_TX_vect, + }, + .udrc = { + .enable = AVR_IO_REGBIT(UCSR3B, UDRIE3), + .raised = AVR_IO_REGBIT(UCSR3A, UDRE3), + .vector = USART3_UDRE_vect, + }, + }, + .adc = { + .r_admux = ADMUX, + .mux = { AVR_IO_REGBIT(ADMUX, MUX0), AVR_IO_REGBIT(ADMUX, MUX1), + AVR_IO_REGBIT(ADMUX, MUX2), AVR_IO_REGBIT(ADMUX, MUX3), + AVR_IO_REGBIT(ADMUX, MUX4),AVR_IO_REGBIT(ADCSRB, MUX5),}, + .ref = { AVR_IO_REGBIT(ADMUX, REFS0), AVR_IO_REGBIT(ADMUX, REFS1)}, + .ref_values = { [1] = ADC_VREF_AVCC, [2] = ADC_VREF_V110, [3] = ADC_VREF_V256 }, + + .adlar = AVR_IO_REGBIT(ADMUX, ADLAR), + .r_adcsra = ADCSRA, + .aden = AVR_IO_REGBIT(ADCSRA, ADEN), + .adsc = AVR_IO_REGBIT(ADCSRA, ADSC), + .adate = AVR_IO_REGBIT(ADCSRA, ADATE), + .adps = { AVR_IO_REGBIT(ADCSRA, ADPS0), AVR_IO_REGBIT(ADCSRA, ADPS1), AVR_IO_REGBIT(ADCSRA, ADPS2),}, + + .r_adch = ADCH, + .r_adcl = ADCL, + + .r_adcsrb = ADCSRB, + .adts = { AVR_IO_REGBIT(ADCSRB, ADTS0), AVR_IO_REGBIT(ADCSRB, ADTS1), AVR_IO_REGBIT(ADCSRB, ADTS2),}, + + .muxmode = { + [0] = AVR_ADC_SINGLE(0), [1] = AVR_ADC_SINGLE(1), + [2] = AVR_ADC_SINGLE(2), [3] = AVR_ADC_SINGLE(3), + [4] = AVR_ADC_SINGLE(4), [5] = AVR_ADC_SINGLE(5), + [6] = AVR_ADC_SINGLE(6), [7] = AVR_ADC_SINGLE(7), + + [ 8] = AVR_ADC_DIFF(0, 0, 10), [ 9] = AVR_ADC_DIFF(1, 0, 10), + [10] = AVR_ADC_DIFF(0, 0, 200), [11] = AVR_ADC_DIFF(1, 0, 200), + [12] = AVR_ADC_DIFF(2, 2, 10), [13] = AVR_ADC_DIFF(3, 2, 10), + [14] = AVR_ADC_DIFF(2, 2, 200), [15] = AVR_ADC_DIFF(3, 2, 200), + + [16] = AVR_ADC_DIFF(0, 1, 1), [17] = AVR_ADC_DIFF(1, 1, 1), + [18] = AVR_ADC_DIFF(2, 1, 1), [19] = AVR_ADC_DIFF(3, 1, 1), + [20] = AVR_ADC_DIFF(4, 1, 1), [21] = AVR_ADC_DIFF(5, 1, 1), + [22] = AVR_ADC_DIFF(6, 1, 1), [23] = AVR_ADC_DIFF(7, 1, 1), + + [24] = AVR_ADC_DIFF(0, 2, 1), [25] = AVR_ADC_DIFF(1, 2, 1), + [26] = AVR_ADC_DIFF(2, 2, 1), [27] = AVR_ADC_DIFF(3, 2, 1), + [28] = AVR_ADC_DIFF(4, 2, 1), [29] = AVR_ADC_DIFF(5, 2, 1), + + [30] = AVR_ADC_REF(1100), // 1.1V + [31] = AVR_ADC_REF(0), // GND + + [32] = AVR_ADC_SINGLE( 8), [33] = AVR_ADC_SINGLE( 9), + [34] = AVR_ADC_SINGLE(10), [35] = AVR_ADC_SINGLE(11), + [36] = AVR_ADC_SINGLE(12), [37] = AVR_ADC_SINGLE(13), + [38] = AVR_ADC_SINGLE(14), [39] = AVR_ADC_SINGLE(15), + + [40] = AVR_ADC_DIFF( 8, 8, 10), [41] = AVR_ADC_DIFF( 9, 8, 10), + [42] = AVR_ADC_DIFF( 8, 8, 200), [43] = AVR_ADC_DIFF( 9, 8, 200), + + [44] = AVR_ADC_DIFF(10, 10, 10), [45] = AVR_ADC_DIFF(11, 10, 10), + [46] = AVR_ADC_DIFF(10, 10, 200), [47] = AVR_ADC_DIFF(11, 10, 200), + + [48] = AVR_ADC_DIFF( 8, 9, 1), [49] = AVR_ADC_DIFF( 9, 9, 1), + [50] = AVR_ADC_DIFF(10, 9, 1), [51] = AVR_ADC_DIFF(11, 9, 1), + [52] = AVR_ADC_DIFF(12, 9, 1), [53] = AVR_ADC_DIFF(13, 9, 1), + [54] = AVR_ADC_DIFF(14, 9, 1), [55] = AVR_ADC_DIFF(15, 9, 1), + + [56] = AVR_ADC_DIFF( 8, 10, 1), [57] = AVR_ADC_DIFF( 9, 10, 1), + [58] = AVR_ADC_DIFF(10, 10, 1), [59] = AVR_ADC_DIFF(11, 10, 1), + [60] = AVR_ADC_DIFF(12, 10, 1), [61] = AVR_ADC_DIFF(13, 10, 1), + }, + + .adc = { + .enable = AVR_IO_REGBIT(ADCSRA, ADIE), + .raised = AVR_IO_REGBIT(ADCSRA, ADIF), + .vector = ADC_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_FASTPWM8(), + [7] = AVR_TIMER_WGM_OCPWM(), + }, + .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_tcnt = TCNT0, + + .overflow = { + .enable = AVR_IO_REGBIT(TIMSK0, TOIE0), + .raised = AVR_IO_REGBIT(TIFR0, TOV0), + .vector = TIMER0_OVF_vect, + }, + .comp = { + [AVR_TIMER_COMPA] = { + .r_ocr = OCR0A, + .com = AVR_IO_REGBITS(TCCR0A, COM0A0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTB, PB7), // same as timer1C + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK0, OCIE0A), + .raised = AVR_IO_REGBIT(TIFR0, OCF0A), + .vector = TIMER0_COMPA_vect, + }, + }, + [AVR_TIMER_COMPB] = { + .r_ocr = OCR0B, + .com = AVR_IO_REGBITS(TCCR0A, COM0B0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTG, PG5), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK0, OCIE0B), + .raised = AVR_IO_REGBIT(TIFR0, OCF0B), + .vector = TIMER0_COMPB_vect, + }, + }, + }, + }, + .timer1 = { + .name = '1', + .disabled = AVR_IO_REGBIT(PRR0,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(), + // TODO: 1 PWM phase correct 8bit + // 2 PWM phase correct 9bit + // 3 PWM phase correct 10bit + [4] = AVR_TIMER_WGM_CTC(), + [5] = AVR_TIMER_WGM_FASTPWM8(), + [6] = AVR_TIMER_WGM_FASTPWM9(), + [7] = AVR_TIMER_WGM_FASTPWM10(), + // TODO: 8, 9 PWM phase and freq correct ICR & 10, 11 + [12] = AVR_TIMER_WGM_ICCTC(), + [14] = AVR_TIMER_WGM_ICPWM(), + [15] = AVR_TIMER_WGM_OCPWM(), + }, + .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_tcnt = TCNT1L, + .r_tcnth = TCNT1H, + .r_icr = ICR1L, + .r_icrh = ICR1H, + + .ices = AVR_IO_REGBIT(TCCR1B, ICES1), + .icp = AVR_IO_REGBIT(PORTD, PD4), + + .overflow = { + .enable = AVR_IO_REGBIT(TIMSK1, TOIE1), + .raised = AVR_IO_REGBIT(TIFR1, TOV1), + .vector = TIMER1_OVF_vect, + }, + .icr = { + .enable = AVR_IO_REGBIT(TIMSK1, ICIE1), + .raised = AVR_IO_REGBIT(TIFR1, ICF1), + .vector = TIMER1_CAPT_vect, + }, + .comp = { + [AVR_TIMER_COMPA] = { + .r_ocr = OCR1AL, + .r_ocrh = OCR1AH, // 16 bits timers have two bytes of it + .com = AVR_IO_REGBITS(TCCR1A, COM1A0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTB, PB5), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK1, OCIE1A), + .raised = AVR_IO_REGBIT(TIFR1, OCF1A), + .vector = TIMER1_COMPA_vect, + }, + }, + [AVR_TIMER_COMPB] = { + .r_ocr = OCR1BL, + .r_ocrh = OCR1BH, + .com = AVR_IO_REGBITS(TCCR1A, COM1B0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTB, PB6), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK1, OCIE1B), + .raised = AVR_IO_REGBIT(TIFR1, OCF1B), + .vector = TIMER1_COMPB_vect, + }, + }, + [AVR_TIMER_COMPC] = { + .r_ocr = OCR1CL, + .r_ocrh = OCR1CH, + .com = AVR_IO_REGBITS(TCCR1A, COM1C0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTB, PB7), // same as timer0A + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK1, OCIE1C), + .raised = AVR_IO_REGBIT(TIFR1, OCF1C), + .vector = TIMER1_COMPC_vect, + }, + }, + }, + + }, + .timer2 = { + .name = '2', + .wgm = { AVR_IO_REGBIT(TCCR2A, WGM20), AVR_IO_REGBIT(TCCR2A, WGM21), AVR_IO_REGBIT(TCCR2B, WGM22) }, + .wgm_op = { + [0] = AVR_TIMER_WGM_NORMAL8(), + // TODO 1 pwm phase correct + [2] = AVR_TIMER_WGM_CTC(), + [3] = AVR_TIMER_WGM_FASTPWM8(), + [7] = AVR_TIMER_WGM_OCPWM(), + }, + .cs = { AVR_IO_REGBIT(TCCR2B, CS20), AVR_IO_REGBIT(TCCR2B, CS21), AVR_IO_REGBIT(TCCR2B, CS22) }, + .cs_div = { 0, 0, 3 /* 8 */, 5 /* 32 */, 6 /* 64 */, 7 /* 128 */, 8 /* 256 */, 10 /* 1024 */ }, + + .r_tcnt = TCNT2, + // asynchronous timer source bit.. if set, use 32khz frequency + .as2 = AVR_IO_REGBIT(ASSR, AS2), + + .overflow = { + .enable = AVR_IO_REGBIT(TIMSK2, TOIE2), + .raised = AVR_IO_REGBIT(TIFR2, TOV2), + .vector = TIMER2_OVF_vect, + }, + .comp = { + [AVR_TIMER_COMPA] = { + .r_ocr = OCR2A, + .com = AVR_IO_REGBITS(TCCR2A, COM2A0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTB, PB4), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK2, OCIE2A), + .raised = AVR_IO_REGBIT(TIFR2, OCF2A), + .vector = TIMER2_COMPA_vect, + }, + }, + // TIMER2_COMPB is only appeared in 2560 + //[AVR_TIMER_COMPB] = { + // .r_ocr = OCR2B, + // .com = AVR_IO_REGBITS(TCCR2A, COM2B0, 0x3), + // .com_pin = AVR_IO_REGBIT(PORTH, PH6), + // .interrupt = { + // .enable = AVR_IO_REGBIT(TIMSK2, OCIE2B), + // .raised = AVR_IO_REGBIT(TIFR2, OCF2B), + // .vector = TIMER2_COMPB_vect, + // }, + //}, + }, + }, + .timer3 = { + .name = '3', + .wgm = { AVR_IO_REGBIT(TCCR3A, WGM30), AVR_IO_REGBIT(TCCR3A, WGM31), + AVR_IO_REGBIT(TCCR3B, WGM32), AVR_IO_REGBIT(TCCR3B, WGM33) }, + .wgm_op = { + [0] = AVR_TIMER_WGM_NORMAL16(), + // TODO: 1 PWM phase correct 8bit + // 2 PWM phase correct 9bit + // 3 PWM phase correct 10bit + [4] = AVR_TIMER_WGM_CTC(), + [5] = AVR_TIMER_WGM_FASTPWM8(), + [6] = AVR_TIMER_WGM_FASTPWM9(), + [7] = AVR_TIMER_WGM_FASTPWM10(), + // TODO: 8 PWM phase and freq correct ICR + // 9 PWM phase and freq correct OCR + // 10 + // 11 + [12] = AVR_TIMER_WGM_ICCTC(), + [14] = AVR_TIMER_WGM_ICPWM(), + [15] = AVR_TIMER_WGM_OCPWM(), + }, + .cs = { AVR_IO_REGBIT(TCCR3B, CS30), AVR_IO_REGBIT(TCCR3B, CS31), AVR_IO_REGBIT(TCCR3B, CS32) }, + .cs_div = { 0, 0, 3 /* 8 */, 6 /* 64 */, 8 /* 256 */, 10 /* 1024 */ /* TODO: 2 External clocks */}, + + .r_tcnt = TCNT3L, + .r_icr = ICR3L, + .r_icrh = ICR3H, + .r_tcnth = TCNT3H, + + .ices = AVR_IO_REGBIT(TCCR3B, ICES3), + .icp = AVR_IO_REGBIT(PORTE, PE7), + + .overflow = { + .enable = AVR_IO_REGBIT(TIMSK3, TOIE3), + .raised = AVR_IO_REGBIT(TIFR3, TOV3), + .vector = TIMER3_OVF_vect, + }, + .comp = { + [AVR_TIMER_COMPA] = { + .r_ocr = OCR3AL, + .r_ocrh = OCR3AH, // 16 bits timers have two bytes of it + .com = AVR_IO_REGBITS(TCCR3A, COM3A0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTE, PE3), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK3, OCIE3A), + .raised = AVR_IO_REGBIT(TIFR3, OCF3A), + .vector = TIMER3_COMPA_vect, + } + }, + [AVR_TIMER_COMPB] = { + .r_ocr = OCR3BL, + .r_ocrh = OCR3BH, + .com = AVR_IO_REGBITS(TCCR3A, COM3B0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTE, PE4), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK3, OCIE3B), + .raised = AVR_IO_REGBIT(TIFR3, OCF3B), + .vector = TIMER3_COMPB_vect, + } + }, + [AVR_TIMER_COMPC] = { + .r_ocr = OCR3CL, + .r_ocrh = OCR3CH, + .com = AVR_IO_REGBITS(TCCR3A, COM3C0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTE, PE5), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK3, OCIE3C), + .raised = AVR_IO_REGBIT(TIFR3, OCF3C), + .vector = TIMER3_COMPC_vect, + } + } + }, + .icr = { + .enable = AVR_IO_REGBIT(TIMSK3, ICIE3), + .raised = AVR_IO_REGBIT(TIFR3, ICF3), + .vector = TIMER3_CAPT_vect, + }, + }, + .timer4 = { + .name = '4', + .disabled = AVR_IO_REGBIT(PRR1,PRTIM4), + .wgm = { AVR_IO_REGBIT(TCCR4A, WGM40), AVR_IO_REGBIT(TCCR4A, WGM41), + AVR_IO_REGBIT(TCCR4B, WGM42), AVR_IO_REGBIT(TCCR4B, WGM43) }, + .wgm_op = { + [0] = AVR_TIMER_WGM_NORMAL16(), + // TODO: 1 PWM phase correct 8bit + // 2 PWM phase correct 9bit + // 3 PWM phase correct 10bit + [4] = AVR_TIMER_WGM_CTC(), + [5] = AVR_TIMER_WGM_FASTPWM8(), + [6] = AVR_TIMER_WGM_FASTPWM9(), + [7] = AVR_TIMER_WGM_FASTPWM10(), + // TODO: 8, 9 PWM phase and freq correct ICR & 10, 11 + [12] = AVR_TIMER_WGM_ICCTC(), + [14] = AVR_TIMER_WGM_ICPWM(), + [15] = AVR_TIMER_WGM_OCPWM(), + }, + .cs = { AVR_IO_REGBIT(TCCR4B, CS40), AVR_IO_REGBIT(TCCR4B, CS41), AVR_IO_REGBIT(TCCR4B, CS42) }, + .cs_div = { 0, 0, 3 /* 8 */, 6 /* 64 */, 8 /* 256 */, 10 /* 1024 */ /* External clock T1 is not handled */}, + + .r_tcnt = TCNT4L, + .r_tcnth = TCNT4H, + .r_icr = ICR4L, + .r_icrh = ICR4H, + + .ices = AVR_IO_REGBIT(TCCR4B, ICES4), + .icp = AVR_IO_REGBIT(PORTL, PL0), + + .overflow = { + .enable = AVR_IO_REGBIT(TIMSK4, TOIE4), + .raised = AVR_IO_REGBIT(TIFR4, TOV4), + .vector = TIMER4_OVF_vect, + }, + .icr = { + .enable = AVR_IO_REGBIT(TIMSK4, ICIE4), + .raised = AVR_IO_REGBIT(TIFR4, ICF4), + .vector = TIMER4_CAPT_vect, + }, + .comp = { + [AVR_TIMER_COMPA] = { + .r_ocr = OCR4AL, + .r_ocrh = OCR4AH, // 16 bits timers have two bytes of it + .com = AVR_IO_REGBITS(TCCR4A, COM4A0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTH, PH3), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK4, OCIE4A), + .raised = AVR_IO_REGBIT(TIFR4, OCF4A), + .vector = TIMER4_COMPA_vect, + }, + }, + [AVR_TIMER_COMPB] = { + .r_ocr = OCR4BL, + .r_ocrh = OCR4BH, + .com = AVR_IO_REGBITS(TCCR4A, COM4B0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTH, PH4), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK4, OCIE4B), + .raised = AVR_IO_REGBIT(TIFR4, OCF4B), + .vector = TIMER4_COMPB_vect, + }, + }, + [AVR_TIMER_COMPC] = { + .r_ocr = OCR4CL, + .r_ocrh = OCR4CH, + .com = AVR_IO_REGBITS(TCCR4A, COM4C0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTH, PH5), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK4, OCIE4C), + .raised = AVR_IO_REGBIT(TIFR4, OCF4C), + .vector = TIMER4_COMPC_vect, + }, + }, + }, + + }, + .timer5 = { + .name = '5', + .disabled = AVR_IO_REGBIT(PRR1,PRTIM5), + .wgm = { AVR_IO_REGBIT(TCCR5A, WGM50), AVR_IO_REGBIT(TCCR5A, WGM51), + AVR_IO_REGBIT(TCCR5B, WGM52), AVR_IO_REGBIT(TCCR5B, WGM53) }, + .wgm_op = { + [0] = AVR_TIMER_WGM_NORMAL16(), + // TODO: 1 PWM phase correct 8bit + // 2 PWM phase correct 9bit + // 3 PWM phase correct 10bit + [4] = AVR_TIMER_WGM_CTC(), + [5] = AVR_TIMER_WGM_FASTPWM8(), + [6] = AVR_TIMER_WGM_FASTPWM9(), + [7] = AVR_TIMER_WGM_FASTPWM10(), + // TODO: 8, 9 PWM phase and freq correct ICR & 10, 11 + [12] = AVR_TIMER_WGM_ICCTC(), + [14] = AVR_TIMER_WGM_ICPWM(), + [15] = AVR_TIMER_WGM_OCPWM(), + }, + .cs = { AVR_IO_REGBIT(TCCR5B, CS50), AVR_IO_REGBIT(TCCR5B, CS51), AVR_IO_REGBIT(TCCR5B, CS52) }, + .cs_div = { 0, 0, 3 /* 8 */, 6 /* 64 */, 8 /* 256 */, 10 /* 1024 */ /* External clock T1 is not handled */}, + + .r_tcnt = TCNT5L, + .r_tcnth = TCNT5H, + .r_icr = ICR5L, + .r_icrh = ICR5H, + + .ices = AVR_IO_REGBIT(TCCR5B, ICES5), + .icp = AVR_IO_REGBIT(PORTL, PL1), + + .overflow = { + .enable = AVR_IO_REGBIT(TIMSK5, TOIE5), + .raised = AVR_IO_REGBIT(TIFR5, TOV5), + .vector = TIMER5_OVF_vect, + }, + .icr = { + .enable = AVR_IO_REGBIT(TIMSK5, ICIE5), + .raised = AVR_IO_REGBIT(TIFR5, ICF5), + .vector = TIMER5_CAPT_vect, + }, + .comp = { + [AVR_TIMER_COMPA] = { + .r_ocr = OCR5AL, + .r_ocrh = OCR5AH, // 16 bits timers have two bytes of it + .com = AVR_IO_REGBITS(TCCR5A, COM5A0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTL, PL3), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK5, OCIE5A), + .raised = AVR_IO_REGBIT(TIFR5, OCF5A), + .vector = TIMER5_COMPA_vect, + }, + }, + [AVR_TIMER_COMPB] = { + .r_ocr = OCR5BL, + .r_ocrh = OCR5BH, + .com = AVR_IO_REGBITS(TCCR5A, COM5B0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTL, PL4), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK5, OCIE5B), + .raised = AVR_IO_REGBIT(TIFR5, OCF5B), + .vector = TIMER5_COMPB_vect, + }, + }, + [AVR_TIMER_COMPC] = { + .r_ocr = OCR5CL, + .r_ocrh = OCR5CH, + .com = AVR_IO_REGBITS(TCCR5A, COM5C0, 0x3), + .com_pin = AVR_IO_REGBIT(PORTL, PL5), + .interrupt = { + .enable = AVR_IO_REGBIT(TIMSK5, OCIE5C), + .raised = AVR_IO_REGBIT(TIFR5, OCF5C), + .vector = TIMER5_COMPC_vect, + }, + }, + }, + + }, + .spi = { + .disabled = AVR_IO_REGBIT(PRR0,PRSPI), + + .r_spdr = SPDR, + .r_spcr = SPCR, + .r_spsr = SPSR, + + .spe = AVR_IO_REGBIT(SPCR, SPE), + .mstr = AVR_IO_REGBIT(SPCR, MSTR), + + .spr = { AVR_IO_REGBIT(SPCR, SPR0), AVR_IO_REGBIT(SPCR, SPR1), AVR_IO_REGBIT(SPSR, SPI2X) }, + .spi = { + .enable = AVR_IO_REGBIT(SPCR, SPIE), + .raised = AVR_IO_REGBIT(SPSR, SPIF), + .vector = SPI_STC_vect, + }, + }, + + .twi = { + + .r_twcr = TWCR, + .r_twsr = TWSR, + .r_twbr = TWBR, + .r_twdr = TWDR, + .r_twar = TWAR, + .r_twamr = TWAMR, + + .twen = AVR_IO_REGBIT(TWCR, TWEN), + .twea = AVR_IO_REGBIT(TWCR, TWEA), + .twsta = AVR_IO_REGBIT(TWCR, TWSTA), + .twsto = AVR_IO_REGBIT(TWCR, TWSTO), + .twwc = AVR_IO_REGBIT(TWCR, TWWC), + + .twsr = AVR_IO_REGBITS(TWSR, TWS3, 0x1f), // 5 bits + .twps = AVR_IO_REGBITS(TWSR, TWPS0, 0x3), // 2 bits + + .twi = { + .enable = AVR_IO_REGBIT(TWCR, TWIE), + .raised = AVR_IO_REGBIT(TWCR, TWINT), + .raise_sticky = 1, + .vector = TWI_vect, + }, + }, +}; + +static avr_t * make() +{ + return avr_core_allocate(&mcu_mega2560.core, sizeof(struct mcu_t)); +} + +avr_kind_t mega2560 = { + .names = { "atmega2560" }, + .make = make +}; + +void m2560_init(struct avr_t * avr) +{ + struct mcu_t * mcu = (struct mcu_t*)avr; + + avr_eeprom_init(avr, &mcu->eeprom); + avr_flash_init(avr, &mcu->selfprog); + avr_extint_init(avr, &mcu->extint); + avr_watchdog_init(avr, &mcu->watchdog); + avr_ioport_init(avr, &mcu->porta); + avr_ioport_init(avr, &mcu->portb); + avr_ioport_init(avr, &mcu->portc); + avr_ioport_init(avr, &mcu->portd); + avr_ioport_init(avr, &mcu->porte); + avr_ioport_init(avr, &mcu->portf); + avr_ioport_init(avr, &mcu->portg); + avr_ioport_init(avr, &mcu->porth); + avr_ioport_init(avr, &mcu->portj); + avr_ioport_init(avr, &mcu->portk); + avr_ioport_init(avr, &mcu->portl); + + avr_uart_init(avr, &mcu->uart0); + avr_uart_init(avr, &mcu->uart1); + avr_uart_init(avr, &mcu->uart2); + avr_uart_init(avr, &mcu->uart3); + avr_adc_init(avr, &mcu->adc); + avr_timer_init(avr, &mcu->timer0); + avr_timer_init(avr, &mcu->timer1); + avr_timer_init(avr, &mcu->timer2); + avr_timer_init(avr, &mcu->timer3); + avr_timer_init(avr, &mcu->timer4); + avr_timer_init(avr, &mcu->timer5); + avr_spi_init(avr, &mcu->spi); + avr_twi_init(avr, &mcu->twi); +} + +void m2560_reset(struct avr_t * avr) +{ +// struct mcu_t * mcu = (struct mcu_t*)avr; +} + + -- 2.39.5