void vhci_usb_connect(struct vhci_usb_t * p, char uart)
{
avr_irq_t * t = avr_io_getirq(p->avr, AVR_IOCTL_USB_GETIRQ(), USB_IRQ_ATTACH);
avr_irq_register_notify(t, vhci_usb_attach_hook, p);
}
int
main (int argc, char *argv[])
{
elf_firmware_t firmware;
const char *firmware_path = "../../../firmwares/analog-in-out-serial.elf";
int rc = elf_read_firmware (firmware_path, &firmware);
if (rc == -1)
exit (1);
printf ("firmware %s f=%d mmcu=%s\n", firmware_path, (int) firmware.frequency, firmware.mmcu);
firmware.frequency = 16e6;
avr = avr_make_mcu_by_name ("atmega2560"); // firmware.mmcu
if (!avr)
{
fprintf (stderr, "%s: AVR '%s' not known\n", argv[0], firmware.mmcu);
exit (1);
}
avr_init (avr);
avr_load_firmware (avr, &firmware);
avr->aref = avr->avcc = avr->vcc = 5 * 1000; // needed for ADC
// Fixme: UART output ?
avr->log = LOG_TRACE;
potentiometer_init (avr, &potentiometer, 0, .5);
// connect all the pins on port B to our callback
// Fixme: PH6 pin 9
// char port = 'H';
char port = 'B';
for (int i = 0; i < 8; i++)
avr_irq_register_notify (avr_io_getirq (avr, AVR_IOCTL_IOPORT_GETIRQ (port), i),
pin_changed_hook, NULL);
/*
* VCD file initialization
*
* This will allow you to create a "wave" file and display it in gtkwave Pressing "r" and "s"
* during the demo will start and stop recording the pin changes
*/
avr_vcd_init (avr, "gtkwave_output.vcd", &vcd_file, 100000); // us
avr_vcd_add_signal (&vcd_file,
avr_io_getirq (avr, AVR_IOCTL_IOPORT_GETIRQ (port), IOPORT_IRQ_PIN_ALL),
8, // bits
"porth");
printf (" Press 'q' to quit\n\n"
" Press 'r' to start recording a 'wave' file\n"
" Press 's' to stop recording\n"
" Press '+/-' to change potentiometer\n"
);
// the AVR run on it's own thread. it even allows for debugging!
pthread_t run;
pthread_create (&run, NULL, avr_run_thread, NULL);
while (1)
{
switch (getchar())
{
case 'q':
exit(0);
break;
case 'r':
printf ("Starting VCD trace\n");
avr_vcd_start (&vcd_file);
break;
case 's':
printf ("Stopping VCD trace\n");
avr_vcd_stop (&vcd_file);
break;
case '+':
printf ("increase potentiometer\n");
potentiometer_set(&potentiometer, potentiometer.value + .1);
break;
case '-':
printf ("decrease potentiometer\n");
potentiometer_set(&potentiometer, potentiometer.value - .1);
break;
}
fflush(stdin);
fflush(stdout);
// sleep (10); // s
}
}
int main(int argc, char *argv[])
{
elf_firmware_t f;
const char * fname = "atmega168_timer_64led.axf";
//char path[256];
// sprintf(path, "%s/%s", dirname(argv[0]), fname);
//printf("Firmware pathname is %s\n", path);
elf_read_firmware(fname, &f);
printf("firmware %s f=%d mmcu=%s\n", fname, (int)f.frequency, f.mmcu);
avr = avr_make_mcu_by_name(f.mmcu);
if (!avr) {
fprintf(stderr, "%s: AVR '%s' now known\n", argv[0], f.mmcu);
exit(1);
}
avr_init(avr);
avr_load_firmware(avr, &f);
//
// initialize our 'peripherals'
//
hc595_init(avr, &shifter);
button_init(avr, &button[B_START], "button.start");
avr_connect_irq(
button[B_START].irq + IRQ_BUTTON_OUT,
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('C'), 0));
button_init(avr, &button[B_STOP], "button.stop");
avr_connect_irq(
button[B_STOP].irq + IRQ_BUTTON_OUT,
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 1));
button_init(avr, &button[B_RESET], "button.reset");
avr_connect_irq(
button[B_RESET].irq + IRQ_BUTTON_OUT,
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 0));
// connects the fake 74HC595 array to the pins
avr_irq_t * i_mosi = avr_io_getirq(avr, AVR_IOCTL_SPI_GETIRQ(0), SPI_IRQ_OUTPUT),
* i_reset = avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('D'), 4),
* i_latch = avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('D'), 7);
avr_connect_irq(i_mosi, shifter.irq + IRQ_HC595_SPI_BYTE_IN);
avr_connect_irq(i_reset, shifter.irq + IRQ_HC595_IN_RESET);
avr_connect_irq(i_latch, shifter.irq + IRQ_HC595_IN_LATCH);
avr_irq_t * i_pwm = avr_io_getirq(avr, AVR_IOCTL_TIMER_GETIRQ('0'), TIMER_IRQ_OUT_PWM0);
avr_irq_register_notify(
i_pwm,
pwm_changed_hook,
NULL);
avr_irq_register_notify(
shifter.irq + IRQ_HC595_OUT,
hc595_changed_hook,
NULL);
// even if not setup at startup, activate gdb if crashing
avr->gdb_port = 1234;
if (0) {
//avr->state = cpu_Stopped;
avr_gdb_init(avr);
}
/*
* VCD file initialization
*
* This will allow you to create a "wave" file and display it in gtkwave
* Pressing "r" and "s" during the demo will start and stop recording
* the pin changes
*/
avr_vcd_init(avr, "gtkwave_output.vcd", &vcd_file, 10000 /* usec */);
avr_vcd_add_signal(&vcd_file,
avr_get_interrupt_irq(avr, 7), 1 /* bit */ ,
"TIMER2_COMPA" );
avr_vcd_add_signal(&vcd_file,
avr_get_interrupt_irq(avr, 17), 1 /* bit */ ,
"SPI_INT" );
avr_vcd_add_signal(&vcd_file,
i_mosi, 8 /* bits */ ,
"MOSI" );
avr_vcd_add_signal(&vcd_file,
i_reset, 1 /* bit */ ,
"595_RESET" );
avr_vcd_add_signal(&vcd_file,
i_latch, 1 /* bit */ ,
"595_LATCH" );
avr_vcd_add_signal(&vcd_file,
button[B_START].irq + IRQ_BUTTON_OUT, 1 /* bits */ ,
"start" );
avr_vcd_add_signal(&vcd_file,
button[B_STOP].irq + IRQ_BUTTON_OUT, 1 /* bits */ ,
"stop" );
avr_vcd_add_signal(&vcd_file,
button[B_RESET].irq + IRQ_BUTTON_OUT, 1 /* bits */ ,
"reset" );
avr_vcd_add_signal(&vcd_file,
shifter.irq + IRQ_HC595_OUT, 32 /* bits */ ,
"HC595" );
avr_vcd_add_signal(&vcd_file,
i_pwm, 8 /* bits */ ,
"PWM" );
// 'raise' it, it's a "pullup"
avr_raise_irq(button[B_START].irq + IRQ_BUTTON_OUT, 1);
avr_raise_irq(button[B_STOP].irq + IRQ_BUTTON_OUT, 1);
avr_raise_irq(button[B_RESET].irq + IRQ_BUTTON_OUT, 1);
printf( "Demo : This is a real world firmware, a 'stopwatch'\n"
" timer that can count up to 99 days. It features a PWM control of the\n"
" brightness, blinks the dots, displays the number of days spent and so on.\n\n"
" Press '0' to press the 'start' button\n"
" Press '1' to press the 'stop' button\n"
" Press '2' to press the 'reset' button\n"
" Press 'q' to quit\n\n"
" Press 'r' to start recording a 'wave' file - with a LOT of data\n"
" Press 's' to stop recording\n"
" + Make sure to watch the brightness dim once you stop the timer\n\n"
);
/*
* OpenGL init, can be ignored
*/
glutInit(&argc, argv); /* initialize GLUT system */
int w = 22, h = 8;
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
glutInitWindowSize(w * pixsize, h * pixsize); /* width=400pixels height=500pixels */
window = glutCreateWindow("Press 0, 1, 2 or q"); /* create window */
// Set up projection matrix
glMatrixMode(GL_PROJECTION); // Select projection matrix
glLoadIdentity(); // Start with an identity matrix
glOrtho(0, w * pixsize, 0, h * pixsize, 0, 10);
glScalef(1,-1,1);
glTranslatef(0, -1 * h * pixsize, 0);
glutDisplayFunc(displayCB); /* set window's display callback */
glutKeyboardFunc(keyCB); /* set window's key callback */
glutTimerFunc(1000 / 24, timerCB, 0);
// the AVR run on it's own thread. it even allows for debugging!
pthread_t run;
pthread_create(&run, NULL, avr_run_thread, NULL);
glutMainLoop();
}
