#include "main.h"

#include "ssd1306.h"

#include "config.h"

#include "eeprom_min.h"

#include "gpio.h"

#include "spi.h"

// USB includes

// TODO: Grab buttonpresses with interrupts

// USB Supporting Vars

extern __IO uint8_t Receive_Buffer[64];

extern __IO  uint32_t Receive_length ;

extern __IO  uint32_t length ;

uint8_t Send_Buffer[64];

uint32_t packet_sent=1;

uint32_t packet_receive=1;

enum tempunits {

    TEMP_UNITS_CELSIUS = 0,

    TEMP_UNITS_FAHRENHEIT,

};

// Globalish setting vars

uint8_t boottobrew = 0;

uint8_t temp_units = TEMP_UNITS_CELSIUS;

uint16_t windup_guard = 1;

uint16_t k_p = 1;

uint16_t k_i = 1;

uint16_t k_d = 1;

    // Init clocks

    SystemInit();

    // Init GPIO

    init_gpio();

    // Turn on power LED

    GPIO_SetBits(LED_POWER);

    // TODO: Awesome pwm of power LED (TIM4_CH4 or TIM11_CH1)

    // Configure 1ms SysTick (change if more temporal resolution needed) 

    RCC_ClocksTypeDef RCC_Clocks;

    RCC_GetClocksFreq(&RCC_Clocks);

    SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000);

    // Init SPI busses

    init_spi();

    // Init OLED over SPI

    ssd1306_Init();

    ssd1306_clearscreen();

    // Check for problems on startup

    if(clock_fail) {

        //ssd1306_DrawStringBig("ERROR: Check Xtal", 2, 0);

        ssd1306_DrawStringBig("NO XTAL", 2, 0);

        delay(1000);

        ssd1306_clearscreen();

    }

    // Init USB

    //Set_System(); // hw_config.h

    //SYSCFG_USBPuCmd(ENABLE);

    //PowerOn();

    // Startup screen 

    ssd1306_DrawString("therm v0.1", 1, 40);

    ssd1306_DrawString("protofusion.org/therm", 3, 0);

    delay(1500);

    ssd1306_clearscreen();

    restore_settings();

    if(boottobrew)

      state = STATE_PREHEAT_BREW; // Go to brew instead of idle if configured thusly

    GPIO_ResetBits(LED_STAT);

    // Main loop

    while(1)

    {

        // Process sensor inputs

        process();

        // Run state machine

        machine(); 

#ifndef __MAIN_H

#define __MAIN_H

void TimingDelay_Decrement(void);

void delay(__IO uint32_t nTime);

#endif /* __MAIN_H */