hal_modbus.h File Reference

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include "hal_gpio.h"

Include dependency graph for hal_modbus.h:

Data Structures
struct	modbus_channel_attr_t
struct	modbus_comm_attr_t
struct	modbus_handle_t

Enumerations
enum	modbus_result_t {   MODBUS_RESULT_OK ,   MODBUS_RESULT_INVALID ,   MODBUS_RESULT_UNSUPPORTED ,   MODBUS_RESULT_BUSY ,   MODBUS_RESULT_PARITY_ERROR ,   MODBUS_RESULT_ERR ,   TOTAL_MODBUS_RESULT }
enum	modbus_status_t {   MODBUS_STATUS_UNKNOWN ,   MODBUS_STATUS_OK ,   MODBUS_STATUS_BUSY ,   MODBUS_STATUS_STOP ,   MODBUS_STATUS_SENDING ,   MODBUS_STATUS_RECEIVING ,   MODBUS_STATUS_ERR ,   TOTAL_MODBUS_STATUS }
enum	modbus_func_t {   MODBUS_FUNC_READ_COIL = 1U ,   MODBUS_FUNC_READ_DISCRETE_INPUT = 2U ,   MODBUS_FUNC_READ_HOLDING_REG = 3U ,   MODBUS_FUNC_READ_INPUT_REG = 4U ,   MODBUS_FUNC_WRITE_SINGLE_COIL = 5U ,   MODBUS_FUNC_WRITE_SINGLE_REG = 6U ,   MODBUS_FUNC_WRITE_MULTIPLE_COIL = 15U ,   MODBUS_FUNC_WRITE_MULTIPLE_REG = 16U ,   TOTAL_MODBUS_FUNC }
enum	modbus_baudrate_t {   MODBUS_BAUDRATE_9600 = 9600U ,   MODBUS_BAUDRATE_19200 = 19200U ,   TOTAL_MODBUS_BAUDRATE }

Functions
modbus_result_t	hal_modbus_init (modbus_handle_t *handle, const modbus_channel_attr_t attr)
	Configure Modbus channel with specific attributes.
modbus_result_t	hal_modbus_read (modbus_handle_t *handle, const modbus_comm_attr_t comm_attr, uint8_t *rx_buffer, const size_t len)
	Write data to Modbus.
modbus_result_t	hal_modbus_stop (modbus_handle_t *handle)
	Stop Modbus operation.
modbus_status_t	hal_modbus_get_status (modbus_handle_t *handle)
	Get Modbus channel status.
modbus_result_t	hal_modbus_mutex_take (const uint8_t channel, const uint32_t timeout_ms)
	Try acquire RTOS mutex for specified channel.
modbus_result_t	hal_modbus_mutex_give (const uint8_t channel)
	Release RTOS mutex for specified channel.