mirror of https://github.com/rusefi/bldc.git
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/*
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Copyright 2016 - 2021 Benjamin Vedder benjamin@vedder.se
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This file is part of the VESC firmware.
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The VESC firmware 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 3 of the License, or
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(at your option) any later version.
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The VESC firmware 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PACKET_H_
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#define PACKET_H_
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#include <stdint.h>
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#include <stdbool.h>
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// Settings
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#ifndef PACKET_MAX_PL_LEN
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#define PACKET_MAX_PL_LEN 512
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#endif
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#define PACKET_BUFFER_LEN (PACKET_MAX_PL_LEN + 8)
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// Types
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typedef struct {
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void(*send_func)(unsigned char *data, unsigned int len);
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void(*process_func)(unsigned char *data, unsigned int len);
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unsigned int rx_read_ptr;
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unsigned int rx_write_ptr;
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int bytes_left;
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unsigned char rx_buffer[PACKET_BUFFER_LEN];
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unsigned char tx_buffer[PACKET_BUFFER_LEN];
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} PACKET_STATE_t;
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// Functions
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void packet_init(void (*s_func)(unsigned char *data, unsigned int len),
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void (*p_func)(unsigned char *data, unsigned int len), PACKET_STATE_t *state);
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void packet_reset(PACKET_STATE_t *state);
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void packet_process_byte(uint8_t rx_data, PACKET_STATE_t *state);
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void packet_send_packet(unsigned char *data, unsigned int len, PACKET_STATE_t *state);
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#endif /* PACKET_H_ */
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