#pragma once
#ifndef __MAIN_H__
#define __MAIN_H__

#include "buttons.h"

/* Private defines */
#define TOP_INFO_1_X  0
#define TOP_INFO_1_Y  0
#define TOP_INFO_2_X  120
#define TOP_INFO_2_Y  0

#define LCD_LINE_1  23
#define LCD_LINE_2  33
#define LCD_LINE_3  43
#define LCD_LINE_4  53
#define LCD_LINE_5  63
#define LCD_LINE_6  73
#define LCD_LINE_7  83
#define LCD_LINE_8  93
#define LCD_LINE_9  103

#define ADC_GRP1_NUM_CHANNELS   1
#define ADC_GRP1_BUF_DEPTH      100
#define ADC_CHANNEL_NUM         ADC_CHANNEL_IN9
#define ADC_REF_VOLTAGE         3300

#define ONEWIRE1_PORT           GPIOB
#define ONEWIRE1_PIN            9
#define ONEWIRE1_PWM_DRIVER     PWMD4
#define ONEWIRE1_MASTER_CHANNEL 3
#define ONEWIRE1_SAMPLE_CHANNEL 4

#define ONEWIRE2_PORT           GPIOB
#define ONEWIRE2_PIN            8
#define ONEWIRE2_PWM_DRIVER     PWMD4
#define ONEWIRE2_MASTER_CHANNEL 4
#define ONEWIRE2_SAMPLE_CHANNEL 3

#define ONWIRE_CHANNELS_NUM     2
#define ONEWIRE_PAD_MODE_IDLE   PAL_MODE_INPUT
#define ONEWIRE_PAD_MODE_ACTIVE PAL_MODE_STM32_ALTERNATE_OPENDRAIN

/* Private variables */

/*
 * SPI configuration structure.
 * Speed 12 MHz, CPHA=0, CPOL=0, 8bits frames, MSb transmitted first.
 * Soft slave select.
 */
static const SPIConfig spi1cfg = {
  .circular         = false,
  .slave            = false,
  .data_cb          = NULL,
  .error_cb         = NULL,
  .cr1              = 0U,
  .cr2              = 0U
};

static adcsample_t ADC_Data[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
//static adcsample_t ADC_Data;
static uint32_t Voltage;

/* Private function prototypes */
static void btn1_handler(const button_state_t);
static void btn2_handler(const button_state_t);
static void btn3_handler(const button_state_t);
static void btn4_handler(const button_state_t);
static btn_hndlr bha[Button_Num] = {
  btn1_handler,
  btn2_handler,
  btn3_handler,
  btn4_handler
};

static void lcd_MainScreen(void);
static void lcd_ClearMain(void);
static uint8_t X_centered(const uint8_t len, const uint8_t pix);
static void ADC_cb(ADCDriver *adcp);

/* Perephireal */
static const ADCConversionGroup adcgrpcfg1 = {
  TRUE, // circular
  ADC_GRP1_NUM_CHANNELS,
  ADC_cb,
  NULL,
  0,                                  /* CR1 */
  (ADC_CR2_EXTTRIG|ADC_CR2_EXTSEL_2), /* CR2, Timer 1 CC1 event, Timer 3 TRGO event */
  ADC_SMPR2_SMP_AN9(ADC_SAMPLE_71P5), /* smpr1 */
  0,                                  /* SMPR2 */
  ADC_SQR1_NUM_CH(ADC_GRP1_NUM_CHANNELS),/* sqr1 */
  0,                                  /* SQR2 */
  ADC_SQR3_SQ1_N(ADC_CHANNEL_NUM)     /* sqr3 */
};

static const GPTConfig gptcfg1 = {
  .frequency    =  1000000U,
  .callback     =  NULL,
  .cr2          =  TIM_CR2_MMS_1, /* MMS = 010 - TRGO on Update Event. */
  .dier         =  0U
};

/*
 * Config for underlying PWM driver.
 * Note! It is NOT constant because 1-wire driver needs to change them
 * during functioning.
 */
static PWMConfig pwm_cfg = {
    0,
    0,
    NULL,
    {
     {PWM_OUTPUT_DISABLED, NULL},
     {PWM_OUTPUT_DISABLED, NULL},
     {PWM_OUTPUT_DISABLED, NULL},
     {PWM_OUTPUT_DISABLED, NULL}
    },
    0,
#if STM32_PWM_USE_ADVANCED
    0,
#endif
    0,
    0
};

/*
 * OneWire channel 1
 */
static const onewireConfig ow_cfg1 = {
    &ONEWIRE1_PWM_DRIVER,
    &pwm_cfg,
    PWM_OUTPUT_ACTIVE_LOW,
    ONEWIRE1_MASTER_CHANNEL,
    ONEWIRE1_SAMPLE_CHANNEL,
    ONEWIRE1_PORT,
    ONEWIRE1_PIN,
#if defined(STM32F1XX)
    ONEWIRE_PAD_MODE_IDLE,
#endif
    ONEWIRE_PAD_MODE_ACTIVE,
#if ONEWIRE_USE_STRONG_PULLUP
    strong_pullup_assert,
    strong_pullup_release
#endif
};

/*
 * OneWire channel 2
 */
static const onewireConfig ow_cfg2 = {
    &ONEWIRE2_PWM_DRIVER,
    &pwm_cfg,
    PWM_OUTPUT_ACTIVE_LOW,
    ONEWIRE2_MASTER_CHANNEL,
    ONEWIRE2_SAMPLE_CHANNEL,
    ONEWIRE2_PORT,
    ONEWIRE2_PIN,
#if defined(STM32F1XX)
    ONEWIRE_PAD_MODE_IDLE,
#endif
    ONEWIRE_PAD_MODE_ACTIVE,
#if ONEWIRE_USE_STRONG_PULLUP
    strong_pullup_assert,
    strong_pullup_release
#endif
};

#endif /* __MAIN_H__ */