/*
 **	Copyright 2023 Tjitte van der Ploeg, tjitte@tpee.nl
 **
 **	This file is part of the OpenBoost firmware.
 **	The Open-SEC firmware 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. The Open-SEC firmware 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 SRC_CAN_H_
#define SRC_CAN_H_

#include "hardware.h"
#include "stdbool.h"
#include "string.h"
#include "delay.h"
#include "crc.h"
#include "packet.h"
#include "buffer.h"
#include "control.h"
#include "mppt.h"



// Settings
#define CAN_STATUS_MSG_INT_MS		1
#define RX_CAN_FRAMES_SIZE	    	255       // max 255
#define RX_CAN_BUFFER_SIZE	    	PACKET_MAX_PL_LEN

typedef enum {
	CAN_PACKET_Power,
	CAN_PACKET_status, //(Limit, Fault, Temperatures,)
	CAN_PACKET_Sweep,
	//0x03 reserved
	//0x04 reserved
	CAN_PACKET_FILL_RX_BUFFER = 0x05,
	CAN_PACKET_FILL_RX_BUFFER_LONG,
	CAN_PACKET_PROCESS_RX_BUFFER,
	CAN_PACKET_PROCESS_SHORT_BUFFER,

	//TODO Add can interface commands here
	CAN_CMD_SETMODE,
	CAN_CMD_SWEEP,
	CAN_CMD_SET_OUTPUT_VOLTAGE_LIMIT,
	CAN_CMD_SET_OUTPUT_CURRENT_LIMIT,
	CAN_PACKET_MSGCOUNT,
} CAN_PACKET_ID;

typedef struct modCanSettings_t {
	int baudrate;
	float samplepoint;
	uint16_t generalCanId;
} modCanSettings_t;

void modCANinit(modCanSettings_t *s);
void modCANtask(void);

uint32_t modCANGetDestinationID(FDCAN_RxHeaderTypeDef canMsg);
CAN_PACKET_ID modCANGetPacketID(FDCAN_RxHeaderTypeDef canMsg);

uint32_t modCANGetCANEXID(uint32_t destinationID, CAN_PACKET_ID packetID);
uint32_t modCANGetCANID(uint32_t destinationID, CAN_PACKET_ID packetID);

void modCANTransmitExtID(uint32_t id, uint8_t *data, uint8_t len);
void modCANTransmitStandardID(uint32_t id, uint8_t *data, uint8_t len);
void modCANSendBuffer(uint8_t controllerID, uint8_t *data, unsigned int len, bool send);
void modCANSendPacketWrapper(unsigned char *data, unsigned int len);
void modCANSendSweep(float* is, float*vs, int size);

#endif /* SRC_CAN_H_ */