// MIT License // // Copyright (c) 2026 Kevin Thomas // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. // // Author: Kevin Thomas // Email: kevin@mytechnotalent.com // GitHub: https://github.com/mytechnotalent // File: payload.c // Desc: Implements payload release solenoid latch control on GPIO16. // Created: 2026 #include "payload.h" #include "lora.h" #include "hardware/gpio.h" #include void init_payload(void) { gpio_init(16); gpio_set_dir(16, GPIO_OUT); gpio_put(16, 1); gpio_init(17); gpio_set_dir(17, GPIO_OUT); gpio_put(17, 0); gpio_init(18); gpio_set_dir(18, GPIO_OUT); gpio_put(18, 0); gpio_init(25); gpio_set_dir(25, GPIO_OUT); gpio_put(25, 0); } void set_gnss_leds(bool fix, int siv) { gpio_put(16, (!fix && (siv == 0)) ? 1 : 0); gpio_put(17, fix ? 1 : 0); gpio_put(18, (!fix && (siv > 0)) ? 1 : 0); } void release_payload(void) { gpio_put(16, 1); gpio_put(17, 1); gpio_put(18, 1); printf("PAYLOAD RELEASED AT TARGET COORDINATES\r\n"); lora_send("PAYLOAD RELEASED AT TARGET COORDINATES\r\n"); }