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#ifndef DEFINES_H
#define DEFINES_H

#include <xc.h>
#include <stdint.h>

// <editor-fold defaultstate="collapsed" desc="I/O Pins">
    /* Pins Mapping
     * 2 - RA5 - LSM303_DRDY
     * 3 - RA4 - L3GD20_DRDY
     * 5 - RC5 - UART_RX
     * 6 - RC4 - UART TX
     * 7 - RC3 - ADDR_3
     * 8 - RC6 - BTN_CAP_0
     * 9 - RC7 - BTN_CAP_1
     * 10 - RB7 - SCL_2
     * 11 - RB6 - SCL_1
     * 12 - RB5 - SDA_2
     * 13 - RB4 - SDA_1
     * 14 - RC2 - ADDR_2
     * 15 - RC1 - ADDR_1
     * 16 - RC0 - ADDR_0
     * 17 - RA2 - BTN_INT
     */
#define LSM303_INT_TRIS TRISAbits.TRISA5
#define L3GD20_INT_TRIS TRISAbits.TRISA4
#define UART_RX_TRIS    TRISCbits.TRISC5
#define UART_TX_TRIS    TRISCbits.TRISC4

#define BTN_INT_TRIS    TRISAbits.TRISA2

#define I2C_ADDR_3_TRIS TRISCbits.TRISC3
#define I2C_ADDR_2_TRIS TRISCbits.TRISC2
#define I2C_ADDR_1_TRIS TRISCbits.TRISC1
#define I2C_ADDR_0_TRIS TRISCbits.TRISC0

#define I2C_ADDR_3_WPU  WPUCbits.WPUC3
#define I2C_ADDR_2_WPU  WPUCbits.WPUC2
#define I2C_ADDR_1_WPU  WPUCbits.WPUC1
#define I2C_ADDR_0_WPU  WPUCbits.WPUC0

#define I2C_ADDR_3_PORT  PORTCbits.RC3
#define I2C_ADDR_2_PORT  PORTCbits.RC2
#define I2C_ADDR_1_PORT  PORTCbits.RC1
#define I2C_ADDR_0_PORT  PORTCbits.RC0

#define I2C_1_CLK_TRIS  TRISBbits.TRISB6
#define I2C_1_DAT_TRIS  TRISBbits.TRISB4

#define I2C_2_CLK_TRIS  TRISBbits.TRISB7
#define I2C_2_DAT_TRIS  TRISBbits.TRISB5

#define CPS_R_TRIS  TRISCbits.TRISC6
#define CPS_L_TRIS  TRISCbits.TRISC7
#define CPS_R_ANSL  ANSELCbits.ANSC6
#define CPS_L_ANSL  ANSELCbits.ANSC7
#define CPS_R_WPU   WPUCbits.WPUC6
#define CPS_L_WPU   WPUCbits.WPUC7

// </editor-fold>

#define _XTAL_FREQ      32000000

#define CMD_QUERY_BTN   0x0A
#define CMD_SET_LEDS    0x0B
#define CMD_RESET       0x0C
#define CMD_ACTIVE      0x0D

#define OP_STATE_IDLE   0x10
#define OP_STATE_ACTIVE 0x20

#define RESET_POR   0x0
#define RESET_BOR   0x1
#define RESET_MCLR  0x2
#define RESET_WDT   0x3
#define RESET_RST   0x4
#define RESET_STK   0x5

#define I2C1_SLAVE_PREFIX   0x10

#define DIR_BRIGHTNESS  0x40
#define DIR_S   0x00
#define DIR_W   0x01
#define DIR_N   0x02
#define DIR_E   0x03

typedef union {
    struct {
        unsigned BTN_L_N    :1;
        unsigned BTN_L_E    :1;
        unsigned BTN_R_E    :1;
        unsigned BTN_R_N    :1;
        unsigned BTN_R_S    :1;
        unsigned BTN_R_W    :1;
        unsigned BTN_L_S    :1;
        unsigned BTN_L_W    :1;
    };
    uint8_t w;
} BTN_STATUS;

typedef union {
    struct {
        uint8_t LED_0;
        uint8_t LED_1;
        uint8_t LED_2;
        uint8_t LED_3;
        uint8_t LED_4;
        uint8_t LED_5;
        uint8_t LED_6;
        uint8_t LED_7;
        uint8_t LED_N;
        uint8_t LED_W;
        uint8_t LED_E;
        uint8_t LED_S;
        uint8_t LED_A;
        uint8_t LED_B;
        uint8_t LED_C;
        uint8_t LED_D;
    } single;
    uint8_t w[16];
} LED_VALUES;

void Reset_Board(uint8_t next_state);
uint8_t Get_Last_Reset(void);

void Check_I2C_Idle(void);
void Idle_Animation(void);

uint8_t Direction_Rotate_Clockwise(uint8_t);
uint8_t Direction_Rotate_CClockwise(uint8_t);

#endif  /* DEFINES_H */