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/*
* spreadspace rppico utils
*
*
* Copyright (C) 2013-2018 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of spreadspace rppico utils.
*
* spreadspace rppico utils is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* spreadspace rppico utils is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with spreadspace rppico utils. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include "pico/stdlib.h"
const uint LED_PIN = PICO_DEFAULT_LED_PIN;
void handle_cmd(uint8_t cmd)
{
switch(cmd) {
case '0': gpio_put(LED_PIN, 0); break;
case '1': gpio_put(LED_PIN, 1); break;
case 't': gpio_xor_mask(1<<LED_PIN); break;
default: printf("error\n"); return;
}
printf("ok\n");
}
int main()
{
gpio_init(LED_PIN);
gpio_set_dir(LED_PIN, GPIO_OUT);
stdio_usb_init();
stdio_set_translate_crlf(&stdio_usb, true);
for(;;) {
if(stdio_usb_connected()) {
int cmd = getchar_timeout_us(100000);
if(cmd != PICO_ERROR_TIMEOUT) {
handle_cmd(cmd);
}
}
}
}
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