#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

/* 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
};

#endif /* __MAIN_H__ */