/* Reflow Oven Controller
 *
 * Copyright (C) 2020  Mario Hüttel <mario.huettel@gmx.net>
 *
 * This file is part of the Reflow Oven Controller Project.
 *
 * The reflow oven controller is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * The Reflow Oven Control Firmware 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 the reflow oven controller project.
 * If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @file main.c
 * @brief Main file for firmware
 */

#include <stdlib.h>
#include <string.h>
/* #include <arm_math.h> */
#include <stm32/stm32f4xx.h>
#include <cmsis/core_cm4.h>
#include <setup/system_stm32f4xx.h>
#include <reflow-controller/systick.h>
#include <reflow-controller/adc-meas.h>
#include <reflow-controller/shell.h>
#include <reflow-controller/digio.h>
#include <reflow-controller/rotary-encoder.h>
#include <stm-periph/stm32-gpio-macros.h>
#include <stm-periph/clock-enable-manager.h>
#include <stm-periph/uart.h>

static void setup_nvic_priorities()
{
	/* No sub priorities */
	NVIC_SetPriorityGrouping(2);

	/* Setup Priorities */
	NVIC_SetPriority(ADC_IRQn, 2);
	NVIC_SetPriority(DMA2_Stream0_IRQn, 1);
	NVIC_SetPriority(DMA2_Stream7_IRQn, 3);
}

static float pt1000_value;
static volatile int pt1000_value_status;
static uint32_t rot;


int main()
{
	const char *uart_input;
	size_t uart_input_len;
	shellmatta_handle_t shell_handle;
	int uart_receive_status;

	setup_nvic_priorities();
	systick_setup();

	adc_pt1000_setup_meas();

	digio_setup_default_all();
	led_setup();
	loudspeaker_setup();
	rotary_encoder_setup();

	uart_init_with_dma();

	shell_handle = shell_init();

	while(1) {
		pt1000_value_status = adc_pt1000_get_current_resistance(&pt1000_value);
		rot = rotary_encoder_get_abs_val();
		uart_receive_status = uart_receive_data_with_dma(&uart_input, &uart_input_len);
		if (uart_receive_status >= 1)
			shell_handle_input(shell_handle, uart_input, uart_input_len);
	}

}