/*
 * port.c
 *
 *  Created on: Jan 16, 2023
 *      Author: Partha
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/rtc_io.h"
#include "freertos/queue.h"
#include "driver/gpio.h"
#include "port.h"
#include "uart_ifx.h"

static const char* TAG = "PORT";

#define LOG_LOCAL_LEVEL ESP_LOG_INFO
#include "esp_log.h"

#define ESP_INTR_FLAG_DEFAULT  0

#define LED_BLUE_PIN           12
#define LED_RED_PIN            13

#define UD_RAD_PWRKEY_PIN      20
#define UD_RAD_RESET_PIN       21
#define MODEM_LDO_EN_PIN       33

#define RAD_STATUS_PIN         19

#define USB_CHG_STATUS_PIN     34

#define LIGHT_SENSOR_EN_PIN    35
#define ACCEL_PWN_PIN          11

#define ADC_BATT_MON_PIN       1
#define ADC_LIGHT_SEN_PIN      2

#define VBAT_SENSE_EN_PIN      14

#define LOWV_DETECT_PIN        38

#define PIN_MASK(x)    (1ULL << x)

extern void IRAM_ATTR accel_int1_isr(void *args);
extern void IRAM_ATTR vusb_detect_isr(void *args);
extern void IRAM_ATTR lowv_detect_isr(void *args);
extern void IRAM_ATTR push_button_isr(void *args);

static bool red_led_status = 0;
static bool blue_led_status = 0;

static void init_outputs(void)
{
	gpio_config_t io_conf = {0};

    io_conf.intr_type = GPIO_INTR_DISABLE;
    io_conf.mode = GPIO_MODE_OUTPUT;
    io_conf.pin_bit_mask = PIN_MASK(LED_RED_PIN) | \
		               PIN_MASK(LED_BLUE_PIN) | \
					   PIN_MASK(UD_RAD_PWRKEY_PIN) | \
					   PIN_MASK(UD_RAD_RESET_PIN) | \
					   PIN_MASK(MODEM_LDO_EN_PIN) | \
					   PIN_MASK(ACCEL_PWN_PIN) | \
					  /* PIN_MASK(LIGHT_SENSOR_EN_PIN) |*/
					   PIN_MASK(VBAT_SENSE_EN_PIN);
    io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
    io_conf.pull_up_en = GPIO_PULLUP_DISABLE;

    ESP_ERROR_CHECK(gpio_config(&io_conf));

    //Initialize all Outputs to LOW
    gpio_set_level(LED_RED_PIN, 0);
    gpio_set_level(LED_BLUE_PIN, 0);
    gpio_set_level(UD_RAD_PWRKEY_PIN, 0);
    gpio_set_level(UD_RAD_RESET_PIN, 0);
    gpio_set_level(MODEM_LDO_EN_PIN, 0);
    gpio_set_level(ACCEL_PWN_PIN, 0);
    gpio_set_level(LIGHT_SENSOR_EN_PIN, 0);
    gpio_set_level(VBAT_SENSE_EN_PIN, 0);
}

static void init_inputs(void)
{
	gpio_config_t io_conf = {0};

	io_conf.mode = GPIO_MODE_INPUT;
    io_conf.pin_bit_mask = PIN_MASK(ADC_BATT_MON_PIN) | \
					   PIN_MASK(ADC_LIGHT_SEN_PIN) | \
					 /*  PIN_MASK(ALER1_IN_PIN) | \*/
					   PIN_MASK(ALER2_IN_PIN) | \
					   PIN_MASK(ALER3_IN_PIN) | \
		               PIN_MASK(ALER4_IN_PIN) | \
					   PIN_MASK(RAD_STATUS_PIN) | \
					   PIN_MASK(USB_CHG_STATUS_PIN);
    io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
    io_conf.pull_up_en = GPIO_PULLUP_DISABLE;

    ESP_ERROR_CHECK(gpio_config(&io_conf));
}

static void init_isrs(void)
{
	gpio_config_t io_conf = {0};

	io_conf.intr_type = GPIO_INTR_ANYEDGE;
    io_conf.mode = GPIO_MODE_INPUT;
    io_conf.pin_bit_mask = PIN_MASK(ACCEL_INT1_PIN) | \
		                   PIN_MASK(VUSB_DETECT_PIN) | \
						   PIN_MASK(LOWV_DETECT_PIN) | \
						   PIN_MASK(SWITCH_INPUT_PIN);
    io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
    io_conf.pull_up_en = GPIO_PULLUP_DISABLE;
    ESP_ERROR_CHECK(gpio_config(&io_conf));

    gpio_install_isr_service(ESP_INTR_FLAG_DEFAULT);
    gpio_isr_handler_add(ACCEL_INT1_PIN, accel_int1_isr, (void *)ACCEL_INT1_PIN);
    gpio_isr_handler_add(VUSB_DETECT_PIN, vusb_detect_isr, (void *)VUSB_DETECT_PIN);
    gpio_isr_handler_add(LOWV_DETECT_PIN, lowv_detect_isr, (void *)LOWV_DETECT_PIN);
    gpio_isr_handler_add(SWITCH_INPUT_PIN, push_button_isr, (void *)SWITCH_INPUT_PIN);
}

void port_init(void)
{
	init_outputs();
	init_inputs();
	init_isrs();

	gpio_deep_sleep_hold_dis();
	/*rtc_gpio_init(LED_BLUE_PIN);
	rtc_gpio_set_direction(LED_BLUE_PIN, RTC_GPIO_MODE_OUTPUT_ONLY);
	rtc_gpio_pulldown_dis(LED_BLUE_PIN);
	rtc_gpio_pullup_dis(LED_BLUE_PIN);
	rtc_gpio_set_level(LED_BLUE_PIN, 1);*/
}

void port_red_led_on(void)
{
	gpio_set_level(LED_RED_PIN, 0);
	red_led_status = 1;
}
void port_red_led_off(void)
{
	gpio_set_level(LED_RED_PIN, 1);
	red_led_status = 0;
}

void port_red_led_toggle(void)
{
	if(red_led_status)
	{
		port_red_led_off();
	}
	else
	{
		port_red_led_on();
	}
}

bool port_red_led_is_on(void)
{
	return red_led_status;
}

void port_blue_led_on(void)
{
	gpio_set_level(LED_BLUE_PIN, 0);
	blue_led_status = 1;
}
void port_blue_led_off(void)
{
	gpio_set_level(LED_BLUE_PIN, 1);
	blue_led_status = 0;
}

int port_is_pushbuttonNotPressed(void)
{
	return gpio_get_level(SWITCH_INPUT_PIN);
}

void port_blue_led_toggle(void)
{
	if(blue_led_status)
	{
		port_blue_led_off();
	}
	else
	{
		port_blue_led_on();
	}
}

bool port_blue_led_is_on(void)
{
	return blue_led_status;
}

void port_modem_assert_pwrkey(void)
{
	gpio_set_level(UD_RAD_PWRKEY_PIN, 1);
}

void port_modem_deassert_pwrkey(void)
{
	gpio_set_level(UD_RAD_PWRKEY_PIN, 0);
}

int port_modem_is_on(void)
{
	return gpio_get_level(RAD_STATUS_PIN);
}

int port_is_usb_connected(void)
{
	return gpio_get_level(VUSB_DETECT_PIN);
}

int port_is_charging(void)
{
	return gpio_get_level(USB_CHG_STATUS_PIN);
}

void port_vbatt_sense_enable(int en)
{
	gpio_set_level(VBAT_SENSE_EN_PIN, en);
}

void port_accel_pwr_enable(int en)
{
	gpio_set_level(ACCEL_PWN_PIN, en);
}

void port_light_sensor_enable(int en)
{
	gpio_set_level(LIGHT_SENSOR_EN_PIN, en);
}

void port_modem_ldo_pin(uint8_t en)
{
	gpio_set_level(MODEM_LDO_EN_PIN, en);
}

int port_usb_charge_status(void)
{
	return gpio_get_level(USB_CHG_STATUS_PIN);
}