static int subcommand_gpio_dir(int argc, const char **argv) {
/* > gpio dir $pin $dir(0:input, 1:output) */
uint8_t pin;
bool dir;
if (argc < 3) {
return -1;
}
pin = (uint8_t)atoi(argv[1]);
if (pin >= MAX_PIN_NUMBER) {
return -1;
}
dir = !!atoi(argv[2]);
gpio_set_dir(pin, dir);
uart_put_line("gpio dir set: pin=");
uart_put_char(ascii_num_to_char(pin/10));
uart_put_char(ascii_num_to_char(pin%10));
uart_put_line(" dir=");
uart_put_char(ascii_num_to_char(gpio_get_dir(pin)));
uart_put_char('\n');
return 0;
}
int hwpl_gpio_getattr(int port, void * ctl){
gpio_attr_t * ctlp = (gpio_attr_t*)ctl;
//read the direction pin status
ctlp->output = gpio_get_dir(port);
ctlp->input = ~ctlp->output;
return 0;
}
static int subcommand_gpio_list(int argc, const char **argv) {
/* > gpio list */
uint8_t i;
for (i=0; i<MAX_PIN_NUMBER; i++) {
uart_put_char(ascii_num_to_char(i/10));
uart_put_char(ascii_num_to_char(i%10));
uart_put_line(": dir=");
uart_put_line(gpio_get_dir(i) ? "out" : "in ");
uart_put_line(" value=");
uart_put_char(ascii_num_to_char(gpio_read(i)));
uart_put_char('\n');
}
return 0;
}