75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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* Протокол периферийного контроллера ПМ35/TMS320F28335: регистры, команды и разбор ответов.
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* Этот профиль имеет собственную адресацию и не должен подменяться протоколом основного
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* TMS320F2812.
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*/
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/**
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* @file periph28335.h
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* @brief Shared PM35/TMS320F28335 register protocol.
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*
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* The protocol is independent from PM67/TMS320F2812 CAN and RS channels.
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* It implements the direct RS232/485 register terminal used by PM35.
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*/
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#ifndef PERIPH28335_H
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#define PERIPH28335_H
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PERIPH28335_REGISTER_COUNT 128U
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#define PERIPH28335_REQUEST_SIZE 8U
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#define PERIPH28335_COMMAND_COUNT 17U
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typedef enum {
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PERIPH28335_OK = 0,
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PERIPH28335_ERROR_ARGUMENT = -1,
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PERIPH28335_ERROR_RANGE = -2,
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PERIPH28335_ERROR_LENGTH = -3,
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PERIPH28335_ERROR_CRC = -4,
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PERIPH28335_ERROR_HEADER = -5,
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PERIPH28335_ERROR_CAPACITY = -6
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} periph28335_status_t;
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uint16_t periph28335_crc16_modbus(const uint8_t *data, size_t size);
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size_t periph28335_append_crc(const uint8_t *payload, size_t payload_size,
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uint8_t *output, size_t output_size);
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size_t periph28335_build_read_registers(
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uint8_t controller, uint16_t start, uint16_t count,
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uint8_t *output, size_t output_size);
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size_t periph28335_build_write_register(
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uint8_t controller, uint16_t address, uint16_t value,
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uint8_t *output, size_t output_size);
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size_t periph28335_build_command(
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uint8_t controller, uint8_t command_index,
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uint8_t *output, size_t output_size);
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size_t periph28335_expected_read_response_size(uint16_t count);
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int periph28335_decode_read_response(
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const uint8_t *data, size_t size, uint8_t controller, uint16_t count,
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uint16_t *output, size_t output_count);
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int periph28335_validate_write_response(
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const uint8_t *response, size_t response_size,
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const uint8_t *request, size_t request_size);
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size_t periph28335_project_count(void);
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const char *periph28335_project_name(size_t project_index);
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const char *periph28335_command_name(size_t project_index,
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size_t command_index);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH28335_H */
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