eee46acd8c68d2576d4851d3f24fa22ced608f1e

Not doing anything for now, but the IO blocks are filled
in the core definitiond already.

Signed-off-by: Michel Pollet <buserror@gmail.com>

diff --git a/simavr/sim/avr_adc.c b/simavr/sim/avr_adc.c
new file mode 100644 (file)
index 0000000..4b9a7bd
--- /dev/null
+++ b/simavr/sim/avr_adc.c
@@ -0,0 +1,45 @@
+/*
+       avr_adc.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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "avr_adc.h"
+
+/*
+ * PLACEHOLDER ADC MODULE
+ */
+
+static avr_io_t        _io = {
+       .kind = "adc",
+};
+
+void avr_adc_init(avr_t * avr, avr_adc_t * p)
+{
+       p->io = _io;
+
+       avr_register_io(avr, &p->io);
+       avr_register_vector(avr, &p->adc);
+
+//     avr_register_io_write(avr, p->r_eecr, avr_eeprom_write, p);
+}
+

diff --git a/simavr/sim/avr_adc.h b/simavr/sim/avr_adc.h
new file mode 100644 (file)
index 0000000..e756871
--- /dev/null
+++ b/simavr/sim/avr_adc.h
@@ -0,0 +1,57 @@
+/*
+       avr_adc.h
+
+       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/>.
+ */
+
+#ifndef __AVR_ADC_H___
+#define __AVR_ADC_H___
+
+#include "sim_avr.h"
+
+typedef struct avr_adc_t {
+       avr_io_t                io;
+
+       uint8_t                 r_admux;
+       // if the last bit exists in the mux, we are an extended ADC
+       avr_regbit_t    mux[5];
+       avr_regbit_t    ref[3];         // reference voltage
+       avr_regbit_t    adlar;          // left/right adjustment bit
+
+       uint8_t                 r_adcsra;       // ADC Control and Status Register A
+       avr_regbit_t    aden;           // ADC Enabled
+       avr_regbit_t    adsc;           // ADC Start Conversion
+       avr_regbit_t    adate;          // ADC Auto Trigger Enable
+
+       avr_regbit_t    adps[3];        // Prescaler bits. Note that it's a frequency bit shift
+
+       uint8_t                 r_adcl, r_adch; // Data Registers
+
+       uint8_t                 r_adcsrb;       // ADC Control and Status Register B
+       avr_regbit_t    adts[3];        // Timing Source
+       avr_regbit_t    bin;            // Bipolar Input Mode (tinyx5 have it)
+       avr_regbit_t    ipr;            // Input Polarity Reversal (tinyx5 have it)
+
+
+       // use ADIF and ADIE bits
+       avr_int_vector_t adc;
+} avr_adc_t;
+
+void avr_adc_init(avr_t * avr, avr_adc_t * port);
+
+#endif /* __AVR_ADC_H___ */