static void
_avr_io_command_write (struct avr_t *avr, avr_io_addr_t addr, uint8_t v, void *param)
{
AVR_LOG (avr, LOG_TRACE, "%s %02x\n", __FUNCTION__, v);
switch (v)
{
case SIMAVR_CMD_VCD_START_TRACE:
if (avr->vcd)
avr_vcd_start (avr->vcd);
break;
case SIMAVR_CMD_VCD_STOP_TRACE:
if (avr->vcd)
avr_vcd_stop (avr->vcd);
break;
case SIMAVR_CMD_UART_LOOPBACK:
{
avr_irq_t *src = avr_io_getirq (avr, AVR_IOCTL_UART_GETIRQ ('0'), UART_IRQ_OUTPUT);
avr_irq_t *dst = avr_io_getirq (avr, AVR_IOCTL_UART_GETIRQ ('0'), UART_IRQ_INPUT);
if (src && dst)
{
AVR_LOG (avr, LOG_TRACE, "%s activating uart local echo IRQ src %p dst %p\n",
__FUNCTION__, src, dst);
avr_connect_irq (src, dst);
}
}
break;
}
}
void keyCB(unsigned char key, int x, int y) /* called on key press */
{
if (key == 'q') {
exit(0);
}
switch (key) {
case 'q':
case 0x1f: // escape
exit(0);
break;
case ' ':
do_button_press++; // pass the message to the AVR thread
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;
}
}
void keyCB(unsigned char key, int x, int y) /* called on key press */
{
if (key == 'q')
exit(0);
//static uint8_t buf[64];
switch (key) {
case 'q':
case 0x1f: // escape
exit(0);
break;
case '1' ... '3':
printf("Press %d\n", key-'1');
do_button_press[key-'1']++; // pass the message to the AVR thread
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;
}
}
int main(int argc, char *argv[])
{
elf_firmware_t f;
const char * fname = "wordClock-erl";
char path[256];
// sprintf(path, "%s/%s", dirname(argv[0]), fname);
// printf("Firmware pathname is %s\n", path);
elf_read_firmware(fname, &f);
strcpy( f.mmcu, "atmega168" ); // hack
f.frequency = 16000000;
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 'peripheral'
// button_init(avr, &button, "button");
// "connect" the output irw of the button to the port pin of the AVR
/*
avr_connect_irq(
button.irq + IRQ_BUTTON_OUT,
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('C'), 0));
*/
// connect all the pins on port B to our callback
#if 0
for (int i = 0; i < 8; i++)
avr_irq_register_notify(
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), i),
pin_changed_hook,
NULL);
#endif
// 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
*
* Initially set to 100 000 usec = 100 ms. I think it is how often
* to flush its' log.
*/
avr_vcd_init(avr, "gtkwave_output.vcd", &vcd_file, 100 /* usec */);
/* want MOSI, SCLK, XLAT, BLANK */
avr_vcd_add_signal( &vcd_file,
avr_io_getirq(avr, AVR_IOCTL_SPI_GETIRQ(0),
SPI_IRQ_OUTPUT),
8, "MOSI" );
avr_vcd_add_signal(&vcd_file,
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 1 ),
1, "XLAT" );
avr_vcd_add_signal(&vcd_file,
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 2 ),
1, "BLANK" );
avr_vcd_add_signal(&vcd_file,
avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 5 ),
1, "SCLK" );
#if 0
avr_vcd_add_signal(&vcd_file,
button.irq + IRQ_BUTTON_OUT, 1 /* bits */ ,
"button" );
// 'raise' it, it's a "pullup"
avr_raise_irq(button.irq + IRQ_BUTTON_OUT, 1);
#endif
avr_vcd_start( &vcd_file );
printf( "Demo launching. " );
#if 0
/*
* OpenGL init, can be ignored
*/
glutInit(&argc, argv); /* initialize GLUT system */
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
glutInitWindowSize(8 * pixsize, 1 * pixsize); /* width=400pixels height=500pixels */
window = glutCreateWindow("Glut"); /* create window */
// Set up projection matrix
glMatrixMode(GL_PROJECTION); // Select projection matrix
glLoadIdentity(); // Start with an identity matrix
glOrtho(0, 8 * pixsize, 0, 1 * pixsize, 0, 10);
glScalef(1,-1,1);
glTranslatef(0, -1 * pixsize, 0);
glutDisplayFunc(displayCB); /* set window's display callback */
glutKeyboardFunc(keyCB); /* set window's key callback */
glutTimerFunc(1000 / 24, timerCB, 0);
#endif
// the AVR run on it's own thread. it even allows for debugging!
pthread_t run;
pthread_create(&run, NULL, avr_run_thread, NULL);
sleep( 60 ); // wait 5 seconds, then exit.
avr_vcd_stop(&vcd_file);
/* glutMainLoop(); */
}
int main(int argc, char *argv[])
{
int state;
elf_firmware_t f;
const char *fname = "../BasicMotorControl.elf";
const char *mmcu = "atmega328p";
if (elf_read_firmware(fname, &f) != 0)
{
exit(1);
}
f.frequency = 16000000;
printf("firmware %s f=%d mmcu=%s\n", fname, (int)f.frequency, mmcu);
avr = avr_make_mcu_by_name(mmcu);
if (!avr)
{
fprintf(stderr, "%s: AVR '%s' not known\n", argv[0], mmcu);
exit(1);
}
avr_init(avr);
avr_load_firmware(avr, &f);
#if 0
/* even if not setup at startup, activate gdb if crashing */
avr->gdb_port = 1234;
avr->state = cpu_Stopped;
avr_gdb_init(avr);
#endif
/* VCD file initialization */
avr_vcd_init(avr, "wave.vcd", &vcd_file, 10000 /* usec */);
avr_vcd_add_signal(&vcd_file, avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 0), 1, "B0" );
avr_vcd_add_signal(&vcd_file, avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 1), 1, "B1" );
avr_vcd_add_signal(&vcd_file, avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 2), 1, "B2" );
avr_vcd_add_signal(&vcd_file, avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 3), 1, "B3" );
avr_vcd_start(&vcd_file);
/* IRQ callback hooks */
avr_irq_register_notify( avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 0), pin_changed_hook, NULL);
avr_irq_register_notify( avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 1), pin_changed_hook, NULL);
avr_irq_register_notify( avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 2), pin_changed_hook, NULL);
avr_irq_register_notify( avr_io_getirq(avr, AVR_IOCTL_IOPORT_GETIRQ('B'), 3), pin_changed_hook, NULL);
/* show some info */
show_ports(avr);
/* install signal handlers */
signal(SIGINT, sig_int);
signal(SIGTERM, sig_int);
/* main loop */
printf("*** Entering main loop ***\n");
while (1)
{
state = avr_run(avr);
if (state == cpu_Done || state == cpu_Crashed)
{
printf("CPU State %d\n", state);
break;
}
}
avr_vcd_stop(&vcd_file);
avr_terminate(avr);
return 0;
}
int
main (int argc, char *argv[])
{
elf_firmware_t firmware;
const char *firmware_path = "../../../firmwares/blink-led.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->log = LOG_TRACE;
avr->trace = 1;
// connect all the pins on port B to our callback
for (int i = 0; i < 8; i++)
avr_irq_register_notify (avr_io_getirq (avr, AVR_IOCTL_IOPORT_GETIRQ ('B'), 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 ('B'), 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");
// 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;
}
fflush(stdin);
fflush(stdout);
// sleep (10); // s
}
}
