@@ -8,3 +8,4 @@ config AVR_ATMEGA_MCU
config ARDUINO
select AVR_ATMEGA_MCU
select UNIMP
+ select LED
@@ -12,6 +12,8 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
+#include "hw/boards.h"
+#include "hw/misc/led.h"
#include "atmega.h"
#include "boot.h"
#include "qom/object.h"
@@ -21,6 +23,8 @@ struct ArduinoMachineState {
MachineState parent_obj;
/*< public >*/
AtmegaMcuState mcu;
+
+ LEDState *onboard_led;
};
typedef struct ArduinoMachineState ArduinoMachineState;
@@ -30,6 +34,7 @@ struct ArduinoMachineClass {
/*< public >*/
const char *mcu_type;
uint64_t xtal_hz;
+ unsigned d13_led_portb_bit; /* PORTB GPIO for D13 yellow LED */
};
typedef struct ArduinoMachineClass ArduinoMachineClass;
@@ -48,6 +53,16 @@ static void arduino_machine_init(MachineState *machine)
amc->xtal_hz, &error_abort);
sysbus_realize(SYS_BUS_DEVICE(&ams->mcu), &error_abort);
+ /* Onboard led connected to digital header PIN 13 */
+ ams->onboard_led = led_create_simple(OBJECT(ams),
+ GPIO_POLARITY_ACTIVE_HIGH,
+ LED_COLOR_YELLOW,
+ "D13 LED");
+
+ qdev_connect_gpio_out(DEVICE(&ams->mcu.gpio[1]),
+ amc->d13_led_portb_bit,
+ qdev_get_gpio_in(DEVICE(ams->onboard_led), 0));
+
if (machine->firmware) {
if (!avr_load_firmware(&ams->mcu.cpu, machine,
&ams->mcu.flash, machine->firmware)) {
@@ -82,6 +97,7 @@ static void arduino_duemilanove_class_init(ObjectClass *oc, void *data)
mc->alias = "2009";
amc->mcu_type = TYPE_ATMEGA168_MCU;
amc->xtal_hz = 16 * 1000 * 1000;
+ amc->d13_led_portb_bit = 5;
};
static void arduino_uno_class_init(ObjectClass *oc, void *data)
@@ -97,6 +113,7 @@ static void arduino_uno_class_init(ObjectClass *oc, void *data)
mc->alias = "uno";
amc->mcu_type = TYPE_ATMEGA328_MCU;
amc->xtal_hz = 16 * 1000 * 1000;
+ amc->d13_led_portb_bit = 5;
};
static void arduino_mega_class_init(ObjectClass *oc, void *data)
@@ -112,6 +129,7 @@ static void arduino_mega_class_init(ObjectClass *oc, void *data)
mc->alias = "mega";
amc->mcu_type = TYPE_ATMEGA1280_MCU;
amc->xtal_hz = 16 * 1000 * 1000;
+ amc->d13_led_portb_bit = 7;
};
static void arduino_mega2560_class_init(ObjectClass *oc, void *data)
@@ -127,6 +145,7 @@ static void arduino_mega2560_class_init(ObjectClass *oc, void *data)
mc->alias = "mega2560";
amc->mcu_type = TYPE_ATMEGA2560_MCU;
amc->xtal_hz = 16 * 1000 * 1000; /* CSTCE16M0V53-R0 */
+ amc->d13_led_portb_bit = 7;
};
static const TypeInfo arduino_machine_types[] = {