/**
 * Author Wojciech Domski <Wojciech.Domski@gmail.com>
 * www: www.Domski.pl
 *
 * Hardware layer for SX1278 LoRa module
 */

#include "SX1278_hw.h"
#include <string.h>

#include "systick.h"
#include "softspi.h"

#define SetSS SoftSPI_SetSS(sx1278_spix)
#define ClrSS SoftSPI_ClrSS(sx1278_spix)
#define SPI_WriteRead(__byte__) SoftSPI_WriteRead(sx1278_spix, __byte__)

extern SoftSPI_TypeDef *sx1278_spix;

void SX1278_hw_init(SX1278_hw_t *hw)
{
    SX1278_hw_SetNSS(hw, 1);
    HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_SET);
}

void SX1278_hw_SetNSS(SX1278_hw_t *hw, int value)
{
    (value == 1) ? SetSS : ClrSS;
}

void SX1278_hw_Reset(SX1278_hw_t *hw)
{
    SX1278_hw_SetNSS(hw, 1);
    HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_RESET);

    SX1278_hw_DelayMs(1);

    HAL_GPIO_WritePin(hw->reset.port, hw->reset.pin, GPIO_PIN_SET);

    SX1278_hw_DelayMs(100);
}

void SX1278_hw_SPICommand(SX1278_hw_t *hw, uint8_t cmd)
{
    SX1278_hw_SetNSS(hw, 0);
    SPI_WriteRead(cmd);
}

uint8_t SX1278_hw_SPIReadByte(SX1278_hw_t *hw)
{
    uint8_t txByte = 0x00;
    uint8_t rxByte = 0x00;

    SX1278_hw_SetNSS(hw, 0);
    rxByte = SPI_WriteRead(txByte);

    return rxByte;
}

void SX1278_hw_DelayMs(uint32_t msec)
{
    Delay_ms(msec);
}

// int SX1278_hw_GetDIO0(SX1278_hw_t *hw)
// {
//     return (HAL_GPIO_ReadPin(hw->dio0.port, hw->dio0.pin) == GPIO_PIN_SET);
// }