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62 lines
2.6 KiB
C
62 lines
2.6 KiB
C
/*
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* geany_encoding=koi8-r
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* can_process.h
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*
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* Copyright 2018 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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#include "can.h"
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// timeout for trying to send data
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#define SEND_TIMEOUT_MS (10)
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// mark first byte if command sent
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#define COMMAND_MARK (0xA5)
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// mark first byte if data sent
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#define DATA_MARK (0x5A)
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// 8-bit commands sent by master
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typedef enum{
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CMD_PING, // request for PONG cmd
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CMD_START_MEASUREMENT, // start thermal measurement (and turn ON sensors if was OFF)
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CMD_SENSORS_STATE, // reply data with sensors state (data: 0 - SState, 1,2 - sens_present0, 3 - Nsens_presend, 4 - Ntemp_measured)
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CMD_START_SCAN, // run scan mode @ all controllers
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CMD_STOP_SCAN, // stop scan mode
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CMD_SENSORS_OFF, // turn off power of sensors
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CMD_LOWEST_SPEED, // lowest I2C speed
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CMD_LOW_SPEED, // low I2C speed (10kHz)
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CMD_HIGH_SPEED, // high I2C speed (100kHz)
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CMD_REINIT_I2C, // reinit I2C with current speed
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CMD_CHANGE_MASTER_B, // change master id to broadcast
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CMD_CHANGE_MASTER, // change master id to 0
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CMD_GETMCUTEMP, // MCU temperature value
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CMD_GETUIVAL, // request to get values of V12, V5, I12 and V3.3
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CMD_GETUIVAL0, // answer with values of V12 and V5
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CMD_GETUIVAL1, // answer with values of I12 and V3.3
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CMD_REINIT_SENSORS, // (re)init sensors
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CMD_GETBUILDNO, // request for firmware build number
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CMD_SYSTIME, // get system time
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// dummy commands for test purposes
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CMD_DUMMY0 = 0xDA,
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CMD_DUMMY1 = 0xAD
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} CAN_commands;
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void can_messages_proc();
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CAN_status can_send_cmd(uint16_t targetID, uint8_t cmd);
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CAN_status can_send_data(uint8_t *data, uint8_t len);
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int8_t send_temperatures(int8_t N);
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