int
main(int argc, char **argv)
{
int i;
struct gpio_pin pin;
struct gpio_req req;
char *ctlfile = NULL;
int pinn, pinv, fd, ch;
int flags, flag, ok;
int config, toggle, verbose, list;
config = toggle = verbose = list = pinn = 0;
while ((ch = getopt(argc, argv, "c:f:lt:v")) != -1) {
switch (ch) {
case 'c':
config = 1;
pinn = str2int(optarg, &ok);
if (!ok)
fail("Invalid pin number: %s\n", optarg);
break;
case 'f':
ctlfile = optarg;
break;
case 'l':
list = 1;
break;
case 't':
toggle = 1;
pinn = str2int(optarg, &ok);
if (!ok)
fail("Invalid pin number: %s\n", optarg);
break;
case 'v':
verbose = 1;
break;
default:
usage();
break;
}
}
argv += optind;
argc -= optind;
for (i = 0; i < argc; i++)
printf("%d/%s\n", i, argv[i]);
if (ctlfile == NULL)
fail("No gpioctl device provided\n");
fd = open(ctlfile, O_RDONLY);
if (fd < 0) {
perror("open");
exit(1);
}
if (list) {
dump_pins(fd, verbose);
close(fd);
exit(0);
}
if (toggle) {
/*
* -t pin assumes no additional arguments
*/
if(argc > 0) {
usage();
exit(1);
}
req.gp_pin = pinn;
if (ioctl(fd, GPIOTOGGLE, &req) < 0) {
perror("ioctl(GPIOTOGGLE)");
exit(1);
}
close(fd);
exit (0);
}
if (config) {
flags = 0;
for (i = 0; i < argc; i++) {
flag = str2cap(argv[i]);
if (flag < 0)
fail("Invalid flag: %s\n", argv[i]);
flags |= flag;
}
pin.gp_pin = pinn;
pin.gp_flags = flags;
if (ioctl(fd, GPIOSETCONFIG, &pin) < 0) {
perror("ioctl(GPIOSETCONFIG)");
exit(1);
}
exit(0);
}
/*
* Last two cases - set value or print value
*/
if ((argc == 0) || (argc > 2)) {
usage();
exit(1);
}
pinn = str2int(argv[0], &ok);
if (!ok)
fail("Invalid pin number: %s\n", argv[0]);
/*
* Read pin value
*/
if (argc == 1) {
req.gp_pin = pinn;
if (ioctl(fd, GPIOGET, &req) < 0) {
perror("ioctl(GPIOGET)");
exit(1);
}
printf("%d\n", req.gp_value);
exit (0);
}
/* Is it valid number (0 or 1) ? */
pinv = str2int(argv[1], &ok);
if (!ok || ((pinv != 0) && (pinv != 1)))
fail("Invalid pin value: %s\n", argv[1]);
/*
* Set pin value
*/
req.gp_pin = pinn;
req.gp_value = pinv;
if (ioctl(fd, GPIOSET, &req) < 0) {
perror("ioctl(GPIOSET)");
exit(1);
}
close(fd);
exit(0);
}
int
main(int argc, char **argv)
{
int i;
gpio_config_t pin;
gpio_handle_t handle;
char *ctlfile = NULL;
int pinn, pinv, pin_type, ch;
int flags, flag, ok;
int config, list, name, toggle, verbose;
config = toggle = verbose = list = name = pin_type = 0;
while ((ch = getopt(argc, argv, "cf:lntvNp")) != -1) {
switch (ch) {
case 'c':
config = 1;
break;
case 'f':
ctlfile = optarg;
break;
case 'l':
list = 1;
break;
case 'n':
name = 1;
break;
case 'N':
pin_type = PIN_TYPE_NAME;
break;
case'p':
pin_type = PIN_TYPE_NUMBER;
break;
case 't':
toggle = 1;
break;
case 'v':
verbose = 1;
break;
default:
usage();
break;
}
}
argv += optind;
argc -= optind;
if (ctlfile == NULL)
handle = gpio_open(0);
else
handle = gpio_open_device(ctlfile);
if (handle == GPIO_INVALID_HANDLE) {
perror("gpio_open");
exit(1);
}
if (list) {
dump_pins(handle, verbose);
gpio_close(handle);
exit(0);
}
if (argc == 0)
usage();
/* Find the pin number by the name */
switch (pin_type) {
default:
/* First test if it is a pin number */
pinn = str2int(argv[0], &ok);
if (ok) {
/* Test if we have any pin named by this number and tell the user */
if (get_pinnum_by_name(handle, argv[0]) != -1)
fail("%s is also a pin name, use -p or -N\n", argv[0]);
} else {
/* Test if it is a name */
if ((pinn = get_pinnum_by_name(handle, argv[0])) == -1)
fail("Can't find pin named \"%s\"\n", argv[0]);
}
break;
case PIN_TYPE_NUMBER:
pinn = str2int(argv[0], &ok);
if (!ok)
fail("Invalid pin number: %s\n", argv[0]);
break;
case PIN_TYPE_NAME:
if ((pinn = get_pinnum_by_name(handle, argv[0])) == -1)
fail("Can't find pin named \"%s\"\n", argv[0]);
break;
}
/* Set the pin name. */
if (name) {
if (argc != 2)
usage();
if (gpio_pin_set_name(handle, pinn, argv[1]) < 0) {
perror("gpio_pin_set_name");
exit(1);
}
exit(0);
}
if (toggle) {
/*
* -t pin assumes no additional arguments
*/
if (argc > 1)
usage();
if (gpio_pin_toggle(handle, pinn) < 0) {
perror("gpio_pin_toggle");
exit(1);
}
gpio_close(handle);
exit(0);
}
if (config) {
flags = 0;
for (i = 1; i < argc; i++) {
flag = str2cap(argv[i]);
if (flag < 0)
fail("Invalid flag: %s\n", argv[i]);
flags |= flag;
}
pin.g_pin = pinn;
pin.g_flags = flags;
if (gpio_pin_set_flags(handle, &pin) < 0) {
perror("gpio_pin_set_flags");
exit(1);
}
exit(0);
}
/*
* Last two cases - set value or print value
*/
if ((argc == 0) || (argc > 2))
usage();
/*
* Read pin value
*/
if (argc == 1) {
pinv = gpio_pin_get(handle, pinn);
if (pinv < 0) {
perror("gpio_pin_get");
exit(1);
}
printf("%d\n", pinv);
exit(0);
}
/* Is it valid number (0 or 1) ? */
pinv = str2int(argv[1], &ok);
if (ok == 0 || ((pinv != 0) && (pinv != 1)))
fail("Invalid pin value: %s\n", argv[1]);
/*
* Set pin value
*/
if (gpio_pin_set(handle, pinn, pinv) < 0) {
perror("gpio_pin_set");
exit(1);
}
gpio_close(handle);
exit(0);
}
int
main(int argc, char **argv)
{
int i;
gpio_config_t pin;
gpio_handle_t handle;
char *ctlfile = NULL;
int pinn, pinv, ch;
int flags, flag, ok;
int config, toggle, verbose, list;
config = toggle = verbose = list = pinn = 0;
while ((ch = getopt(argc, argv, "c:f:lt:v")) != -1) {
switch (ch) {
case 'c':
config = 1;
pinn = str2int(optarg, &ok);
if (!ok)
fail("Invalid pin number: %s\n", optarg);
break;
case 'f':
ctlfile = optarg;
break;
case 'l':
list = 1;
break;
case 't':
toggle = 1;
pinn = str2int(optarg, &ok);
if (!ok)
fail("Invalid pin number: %s\n", optarg);
break;
case 'v':
verbose = 1;
break;
default:
usage();
break;
}
}
argv += optind;
argc -= optind;
if (ctlfile == NULL)
handle = gpio_open(0);
else
handle = gpio_open_device(ctlfile);
if (handle == GPIO_INVALID_HANDLE) {
perror("gpio_open");
exit(1);
}
if (list) {
dump_pins(handle, verbose);
gpio_close(handle);
exit(0);
}
if (toggle) {
/*
* -t pin assumes no additional arguments
*/
if (argc > 0) {
usage();
exit(1);
}
if (gpio_pin_toggle(handle, pinn) < 0) {
perror("gpio_pin_toggle");
exit(1);
}
gpio_close(handle);
exit(0);
}
if (config) {
flags = 0;
for (i = 0; i < argc; i++) {
flag = str2cap(argv[i]);
if (flag < 0)
fail("Invalid flag: %s\n", argv[i]);
flags |= flag;
}
pin.g_pin = pinn;
pin.g_flags = flags;
if (gpio_pin_set_flags(handle, &pin) < 0) {
perror("gpio_pin_set_flags");
exit(1);
}
exit(0);
}
/*
* Last two cases - set value or print value
*/
if ((argc == 0) || (argc > 2)) {
usage();
exit(1);
}
pinn = str2int(argv[0], &ok);
if (!ok)
fail("Invalid pin number: %s\n", argv[0]);
/*
* Read pin value
*/
if (argc == 1) {
pinv = gpio_pin_get(handle, pinn);
if (pinv < 0) {
perror("gpio_pin_get");
exit(1);
}
printf("%d\n", pinv);
exit(0);
}
/* Is it valid number (0 or 1) ? */
pinv = str2int(argv[1], &ok);
if (!ok || ((pinv != 0) && (pinv != 1)))
fail("Invalid pin value: %s\n", argv[1]);
/*
* Set pin value
*/
if (gpio_pin_set(handle, pinn, pinv) < 0) {
perror("gpio_pin_set");
exit(1);
}
gpio_close(handle);
exit(0);
}