main.c

/*
    This file is part of PICoBoot.

    Copyright (C) 2021 ReimuNotMoe <reimu@sudomaker.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

#include <PICoBoot/PICoBoot.h>

void CDC_RxDone(void *userp, uint8_t *buf, uint16_t len) {
	PicoBoot_Protocol_ParseIncomingData(buf, len);
}

USBDeluxeDevice_CDC_ACM_IOps cdc_iops = {
	.RxDone = CDC_RxDone
};

void DataLedTask() {
	static uint16_t osc_count = 0;

	const static uint16_t osc1 = 111;
	const static uint16_t osc2 = 112;

	osc_count += 1;

	if (osc_count > (osc1 * osc2 * 2 - 1)) {
		osc_count = 0;
	}

	uint8_t osc1_on = (osc_count / osc1) % 2;
	uint8_t osc2_on = (osc_count / osc2) % 2;

	PICoBoot_LED_1 = (osc1_on ^ osc2_on);
}

USBDeluxeDevice_CDCACMContext cdc_ctx = {0};

int main() {
	PICoBoot_Board_PinInitialize();


	if (RCONbits.POR) {
		RCONbits.POR = 0;
	} else {
		PICoBoot_RuntimeEnvironment_Load();

		picoboot_runtime_env.reset_count++;
		picoboot_runtime_env.boot_reason = BootReason_RESET;

		if (RCONbits.WDTO) {
			RCONbits.WDTO = 0;
			picoboot_runtime_env.boot_reason = BootReason_WDT;
			picoboot_runtime_env.watchdog_failed_count++;
		}
	}

	PICoBoot_StaticEnvironment_Load();

	int boot_action = PICoBoot_Board_Reset_Action();

	PICoBoot_RuntimeEnvironment_Save();

	if (boot_action == ResetAction_RunUserApp) {
		PicoBoot_StartUserApp(PICoBoot_App_Address);
	} else {
		PICoBoot_Board_SystemInitialize();

		USBDeluxeDevice_CDC_ACM_Create(&cdc_ctx, NULL, 0, 1, 1, 2, &cdc_iops);
		USBDeluxe_Device_Init();

		while (1) {
			PicoBoot_Tasks();

			USBDeviceTasks();
			USBDeluxe_Device_Tasks();

			DataLedTask();
		}
	}

	return 1;
}