max6642.h

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/*
 *   openMMC -- Open Source modular IPM Controller firmware
 *
 *   Copyright (C) 2015-2016  Henrique Silva <henrique.silva@lnls.br>
 *
 *   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/>.
 *
 *   @license GPL-3.0+ <http://spdx.org/licenses/GPL-3.0+>
 */


 
#ifndef MAX6642_H_
#define MAX6642_H_
 
#define MAX6642_UPDATE_RATE             500
 
#define MAX6642_CMD_READ_LOCAL          0x00
#define MAX6642_CMD_READ_REMOTE         0x01
#define MAX6642_CMD_READ_STATUS         0x02
#define MAX6642_CMD_READ_CONFIG         0x03
#define MAX6642_CMD_READ_LOCAL_LIMIT    0x05
#define MAX6642_CMD_READ_REMOTE_LIMIT   0x07
#define MAX6642_CMD_WRITE_CONFIG        0x09
#define MAX6642_CMD_WRITE_LOCAL_LIMIT   0x0B
#define MAX6642_CMD_WRITE_REMOTE_LIMIT  0x0D
#define MAX6642_CMD_SINGLESHOT          0x0D
#define MAX6642_CMD_READ_REMOTE_EXTD    0x10
#define MAX6642_CMD_READ_LOCAL_EXTD     0x11
#define MAX6642_CMD_READ_MANUF_ID       0xFE
 
/*  MAX6642 Configuration bits */
#define MAX6642_CFG_ALERT_MASK          (1 << 7)
#define MAX6642_CFG_STOP_RUN_MASK       (1 << 6)
#define MAX6642_CFG_EXT_ONLY_MASK       (1 << 5)
#define MAX6642_CFG_FAULT_QUEUE_MASK    (1 << 4)
 
/*  MAX6642 Status bits */
#define MAX6642_STATUS_BUSY_MASK        (1 << 7)
#define MAX6642_STATUS_LOCAL_HIGH_MASK  (1 << 6)
#define MAX6642_STATUS_REMOTE_HIGH_MASK (1 << 5)
#define MAX6642_STATUS_OPEN_MASK        (1 << 4)

extern TaskHandle_t vTaskMAX6642_Handle;
 
extern const SDR_type_01h_t SDR_MAX6642_FPGA;

void MAX6642_init( void );

void vTaskMAX6642( void *Parameters );

Bool max6642_read_local( sensor_t *sensor, uint8_t *temp );

Bool max6642_read_remote( sensor_t *sensor, uint8_t *temp );

Bool max6642_read_local_extd( sensor_t *sensor, uint8_t *temp );

Bool max6642_read_remote_extd( sensor_t *sensor, uint8_t *temp );

uint8_t max6642_read_status( sensor_t *sensor );

uint8_t max6642_read_cfg( sensor_t *sensor );

void max6642_write_cfg( sensor_t *sensor, uint8_t cfg );

void max6642_write_local_limit( sensor_t *sensor, uint8_t limit );

void max6642_write_remote_limit( sensor_t *sensor, uint8_t limit );
 
#endif