#include "stm32f0xx_hal.h"

#include "si5351.h"

#include "jtencode.h"

#include "adc.h"

#include "dma.h"

#include "i2c.h"

#include "usart.h"

#include "gpio.h"

#include "gps.h"

void sysclk_init(void);

//#define WSPR_DEFAULT_FREQ 14097100UL

#define WSPR_DEFAULT_FREQ 10140100UL

#define WSPR_TONE_SPACING 146 // ~1.46 Hz

#define WSPR_CTC 10672 // CTC value for WSPR

uint8_t tx_buffer[255];

uint32_t freq = WSPR_DEFAULT_FREQ;

uint8_t symbol_count = WSPR_SYMBOL_COUNT;

uint16_t ctc = WSPR_CTC;

uint16_t tone_spacing = WSPR_TONE_SPACING;

volatile uint8_t proceed = 0;

void encode_wspr(void)

{

    uint8_t i;

    //for(i=0; i<255; i++)

    //    tx_buffer[i] = 0;

    wspr_encode(call, loc, dbm, tx_buffer);

    //si5351_output_enable(SI5351_CLK0, 1);

    for(i=0; i<symbol_count; i++)

    {

        uint32_t freq2 = (freq * 100) + (tx_buffer[i] * tone_spacing);

        si5351_set_freq(freq2, 0, SI5351_CLK0);

        HAL_GPIO_TogglePin(LED_BLUE);

          //si5351_set_freq((freq * 100) + (tx_buffer[i] * tone_spacing), 0, SI5351_CLK0);

          //HAL_Delay(300);

          proceed = 0;

          while(!proceed);

    }

        si5351_output_enable(SI5351_CLK0, 0);

}

    TIM_HandleTypeDef htim1;

int main(void)

{

    HAL_Init();

    sysclk_init();

    gpio_init();

    MX_DMA_Init();

    MX_ADC_Init();

    i2c_init();

    HAL_GPIO_WritePin(OSC_NOTEN, 0);

    HAL_GPIO_WritePin(TCXO_EN, 1);

    // Start timer for WSPR

    __TIM1_CLK_ENABLE();

    TIM_MasterConfigTypeDef sMasterConfig;

    TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig;

    TIM_OC_InitTypeDef sConfigOC;

    htim1.Instance = TIM1;

    htim1.Init.Prescaler = 512; // gives 64uS ticks from 8MHz ahbclk

    htim1.Init.CounterMode = TIM_COUNTERMODE_UP;

    htim1.Init.Period = ctc; // Count up to this value (how many 64uS ticks per symbol)

    htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

    htim1.Init.RepetitionCounter = 0;

    HAL_TIM_Base_Init(&htim1);

    HAL_TIM_Base_Start_IT(&htim1);

/*

    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;

    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

    HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig);

    sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;

    sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;

    sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;

    sBreakDeadTimeConfig.DeadTime = 0;

    sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;

    sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;

    sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;

    HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig);

    sConfigOC.OCMode = TIM_OCMODE_TIMING;

    sConfigOC.Pulse = 0;

    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;

    sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;

    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;

    sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;

    sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;

    HAL_TIM_OC_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1);

*/

    HAL_NVIC_SetPriority(TIM1_BRK_UP_TRG_COM_IRQn, 0, 0);

    HAL_NVIC_EnableIRQ(TIM1_BRK_UP_TRG_COM_IRQn);

    HAL_Delay(100);

//    MX_USART1_UART_Init();

    jtencode_init();

    //gps_init();

    si5351_init(i2c_get(), SI5351_CRYSTAL_LOAD_8PF, 0);

    si5351_set_correction(0);

    //si5351_set_pll(SI5351_PLL_FIXED, SI5351_PLLA);

    //si5351_set_ms_source(SI5351_CLK0, SI5351_PLLA);

    si5351_set_freq(WSPR_DEFAULT_FREQ * 100, 0, SI5351_CLK0);

    si5351_drive_strength(SI5351_CLK0, SI5351_DRIVE_2MA); // Set for max power if desired (8ma max)

    si5351_output_enable(SI5351_CLK0, 1);

    //si5351_pll_reset(SI5351_PLLA);

    //wspr_encode(call, loc, dbm, tx_buffer);

    encode_wspr();

    HAL_Delay(1000);

    uint32_t led_timer = HAL_GetTick();

    uint32_t last_gps  = HAL_GetTick();

    uint32_t last_wspr  = HAL_GetTick();

    while (1)

    {

        if(HAL_GetTick() - last_wspr > 6000)

        {

            last_wspr = HAL_GetTick();

        }

        if(HAL_GetTick() - led_timer > 100)

        {

            HAL_GPIO_TogglePin(LED_BLUE);

            led_timer = HAL_GetTick();

        }

        if(HAL_GetTick() - last_gps > 100)

        {

//            gps_process();

            last_gps = HAL_GetTick();

        }

    }

}

// Initialize system clocks

void sysclk_init(void)

{

    RCC_OscInitTypeDef RCC_OscInitStruct;

    RCC_ClkInitTypeDef RCC_ClkInitStruct;

    RCC_PeriphCLKInitTypeDef PeriphClkInit;

    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14;

    RCC_OscInitStruct.HSIState = RCC_HSI_ON;

    RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;

    RCC_OscInitStruct.HSICalibrationValue = 16;

    RCC_OscInitStruct.HSI14CalibrationValue = 16;

    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;

    HAL_RCC_OscConfig(&RCC_OscInitStruct);

    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;

    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;

    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

    HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);

    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_I2C1;

    PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;

    PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_SYSCLK;

    HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);

    HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

    HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

    // SysTick_IRQn interrupt configuration 

    HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);

}