megax4/uart: implement u2x (double uart transmission speed)
[simavr] / simavr / cores / sim_megax4.h
index 328b364..5ff74fe 100644 (file)
 #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_timer8.h"
+#include "avr_adc.h"
+#include "avr_timer.h"
 #include "avr_spi.h"
 #include "avr_twi.h"
 
@@ -36,15 +39,18 @@ void mx4_init(struct avr_t * avr);
 void mx4_reset(struct avr_t * avr);
 
 /*
- * This is a template for all of the x4 devices, hopefuly
+ * This is a template for all of the x4 devices, hopefully
  */
 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;
        avr_uart_t              uart0,uart1;
-       avr_timer8_t    timer0,timer2;
+       avr_adc_t               adc;
+       avr_timer_t             timer0,timer1,timer2;
        avr_spi_t               spi;
        avr_twi_t               twi;
 };
@@ -55,7 +61,7 @@ struct mcu_t {
 #error SIM_MMCU is not declared
 #endif
 
-struct mcu_t SIM_CORENAME = {
+const struct mcu_t SIM_CORENAME = {
        .core = {
                .mmcu = SIM_MMCU,
                DEFAULT_CORE(4),
@@ -64,6 +70,8 @@ struct mcu_t SIM_CORENAME = {
                .reset = mx4_reset,
        },
        AVR_EEPROM_DECLARE(EE_READY_vect),
+       AVR_SELFPROG_DECLARE(SPMCSR, SPMEN, SPM_READY_vect),
+       AVR_WATCHDOG_DECLARE(WDTCSR, WDT_vect),
        .extint = {
                AVR_EXTINT_DECLARE(0, 'D', PD2),
                AVR_EXTINT_DECLARE(1, 'D', PD3),
@@ -111,8 +119,11 @@ struct mcu_t SIM_CORENAME = {
                .name = '0',
                .r_udr = UDR0,
 
+               .u2x = AVR_IO_REGBIT(UCSR0A, U2X0),
                .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,
@@ -140,8 +151,11 @@ struct mcu_t SIM_CORENAME = {
                .name = '1',
                .r_udr = UDR1,
 
+               .u2x = AVR_IO_REGBIT(UCSR1A, U2X1),
                .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,
@@ -164,15 +178,69 @@ struct mcu_t SIM_CORENAME = {
                        .vector = USART1_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),},
+               .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
+               },
 
+               .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_ocra = OCR0A,
-               .r_ocrb = OCR0B,
                .r_tcnt = TCNT0,
 
                .overflow = {
@@ -180,25 +248,105 @@ struct mcu_t SIM_CORENAME = {
                        .raised = AVR_IO_REGBIT(TIFR0, TOV0),
                        .vector = TIMER0_OVF_vect,
                },
-               .compa = {
-                       .enable = AVR_IO_REGBIT(TIMSK0, OCIE0A),
-                       .raised = AVR_IO_REGBIT(TIFR0, OCF0A),
-                       .vector = TIMER0_COMPA_vect,
+               .comp = {
+                       [AVR_TIMER_COMPA] = {
+                               .r_ocr = OCR0A,
+                               .com = AVR_IO_REGBITS(TCCR0A, COM0A0, 0x3),
+                               .com_pin = AVR_IO_REGBIT(PORTB, 3),
+                               .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(PORTB, 4),
+                               .interrupt = {
+                                       .enable = AVR_IO_REGBIT(TIMSK0, OCIE0B),
+                                       .raised = AVR_IO_REGBIT(TIFR0, 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(),
+                       [1] = AVR_TIMER_WGM_FCPWM8(),
+                       [2] = AVR_TIMER_WGM_FCPWM9(),
+                       [3] = AVR_TIMER_WGM_FCPWM10(),
+                       [4] = AVR_TIMER_WGM_CTC(),
+                       [5] = AVR_TIMER_WGM_FASTPWM8(),
+                       [6] = AVR_TIMER_WGM_FASTPWM9(),
+                       [7] = AVR_TIMER_WGM_FASTPWM10(),
+                       [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, 6),
+
+               .overflow = {
+                       .enable = AVR_IO_REGBIT(TIMSK1, TOIE1),
+                       .raised = AVR_IO_REGBIT(TIFR1, TOV1),
+                       .vector = TIMER1_OVF_vect,
                },
-               .compb = {
-                       .enable = AVR_IO_REGBIT(TIMSK0, OCIE0B),
-                       .raised = AVR_IO_REGBIT(TIFR0, OCF0B),
-                       .vector = TIMER0_COMPB_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(PORTD, 5),
+                               .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(PORTD, 4),
+                               .interrupt = {
+                                       .enable = AVR_IO_REGBIT(TIMSK1, OCIE1B),
+                                       .raised = AVR_IO_REGBIT(TIFR1, OCF1B),
+                                       .vector = TIMER1_COMPB_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(),
+                       [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_ocra = OCR2A,
-               .r_ocrb = OCR2B,
                .r_tcnt = TCNT2,
                
                // asynchronous timer source bit.. if set, use 32khz frequency
@@ -209,16 +357,28 @@ struct mcu_t SIM_CORENAME = {
                        .raised = AVR_IO_REGBIT(TIFR2, TOV2),
                        .vector = TIMER2_OVF_vect,
                },
-               .compa = {
-                       .enable = AVR_IO_REGBIT(TIMSK2, OCIE2A),
-                       .raised = AVR_IO_REGBIT(TIFR2, OCF2A),
-                       .vector = TIMER2_COMPA_vect,
-               },
-               .compb = {
-                       .enable = AVR_IO_REGBIT(TIMSK2, OCIE2B),
-                       .raised = AVR_IO_REGBIT(TIFR2, OCF2B),
-                       .vector = TIMER2_COMPB_vect,
-               },
+               .comp = {
+                       [AVR_TIMER_COMPA] = {
+                               .r_ocr = OCR2A,
+                               .com = AVR_IO_REGBITS(TCCR2A, COM2A0, 0x3),
+                               .com_pin = AVR_IO_REGBIT(PORTD, 7),
+                               .interrupt = {
+                                       .enable = AVR_IO_REGBIT(TIMSK2, OCIE2A),
+                                       .raised = AVR_IO_REGBIT(TIFR2, OCF2A),
+                                       .vector = TIMER2_COMPA_vect,
+                               },
+                       },
+                       [AVR_TIMER_COMPB] = {
+                               .r_ocr = OCR2B,
+                               .com = AVR_IO_REGBITS(TCCR2A, COM2B0, 0x3),
+                               .com_pin = AVR_IO_REGBIT(PORTD, 6),
+                               .interrupt = {
+                                       .enable = AVR_IO_REGBIT(TIMSK2, OCIE2B),
+                                       .raised = AVR_IO_REGBIT(TIFR2, OCF2B),
+                                       .vector = TIMER2_COMPB_vect,
+                               },
+                       }
+               }
        },
        .spi = {
                .disabled = AVR_IO_REGBIT(PRR,PRSPI),
@@ -259,7 +419,8 @@ struct mcu_t SIM_CORENAME = {
 
                .twi = {
                        .enable = AVR_IO_REGBIT(TWCR, TWIE),
-                       .raised = AVR_IO_REGBIT(TWSR, TWINT),
+                       .raised = AVR_IO_REGBIT(TWCR, TWINT),
+                       .raise_sticky = 1,
                        .vector = TWI_vect,
                },
        },