display_bafang.h

/*
Library for Bafang BBS01/BBS02 Displays (C965)

Copyright © 2016 Jens Kießling (jenskiessling@gmail.com)
inspired by Kingmeter Library (Michael Fabry)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/


#ifndef BAFANG_H
#define BAFANG_H


// Includes
#include "config.h"

#if (DISPLAY_TYPE == DISPLAY_TYPE_BAFANG)



// Definitions
#define BF_CMD_STARTREQUEST 17
#define BF_CMD_STARTINFO 22
#define BF_CMD_LEVEL 11
#define BF_CMD_LIGHT 26
#define BF_CMD_WHEELDIAM 31
#define BF_CMD_GETSPEED 32
#define BF_CMD_GETERROR 8
#define BF_CMD_GETBAT 17
#define BF_CMD_GETPOWER 10
#define BF_CMD_GET2 49

#define BF_LIGHTON 241

#define BF_MAX_RXBUFF 64
#define BF_MAX_TXBUFF 3

#define BF_LEVEL0 0
#define BF_LEVEL1 11 //1
#define BF_LEVEL2 13 //11
#define BF_LEVEL3 21 //12
#define BF_LEVEL4 23 //13
#define BF_LEVEL5 3  //2
#define BF_LEVEL6 27 //21
#define BF_LEVEL7 28//22
#define BF_LEVEL8 29 //23
#define BF_LEVEL9 30 //3
#define BF_PUSHASSIST 6

#define BF_DISPLAYTIMEOUT 160

typedef struct
{
    // Parameters received from display in operation mode:
    uint8_t  AssistLevel;               // 0..9 Power Assist Level
    uint8_t  Headlight;                 // BF_HEADLIGHT_OFF / BF_HEADLIGHT_ON
    uint8_t  PushAssist;                // BF_PUSHASSIST_OFF / BF_PUSHASSIST_ON
    uint16_t Wheeldiameter;             // Wheel Diameter
}RX_PARAM_t;

typedef struct
{
    // Parameters to be send to display in operation mode:
    uint8_t  Battery;                   //
    uint16_t Speed;              // Unit:1ms
    uint8_t  Error;                     //
    uint16_t Power;               // Unit: 0.1W?!

}TX_PARAM_t;






typedef struct
{

    
    uint8_t         RxState;
    uint8_t         ByteReceived[1];
    uint32_t        LastRx;

    uint8_t         RxBuff[BF_MAX_RXBUFF];
    uint8_t         RxCnt;
    uint8_t         InfoLength;

    RX_PARAM_t      Rx;
    TX_PARAM_t		Tx;

}BAFANG_t;




// Public function prototypes

void Bafang_Init (BAFANG_t* BF_ctx);


void Bafang_Service(BAFANG_t* BF_ctx, uint8_t  rx);




#endif // BAFANG
#endif // (DISPLAY_TYPE & DISPLAY_TYPE_BAFANG)