65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
#include "modbus_params.h" // for modbus parameters structures
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#include "mbcontroller.h"
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#include "string.h"
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#include "esp_log.h"
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#define MB_PORT_NUM (UART_NUM_1) // Number of UART port used for Modbus connection
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#define MB_DEV_SPEED (9600) // The communication speed of the UART
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// Note: Some pins on target chip cannot be assigned for UART communication.
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// See UART documentation for selected board and target to configure pins using Kconfig.
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// The number of parameters that intended to be used in the particular control process
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#define MASTER_MAX_CIDS num_device_parameters
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// Number of reading of parameters from slave
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#define MASTER_MAX_RETRY 30
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// Timeout to update cid over Modbus
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#define UPDATE_CIDS_TIMEOUT_MS (500)
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#define UPDATE_CIDS_TIMEOUT_TICS (UPDATE_CIDS_TIMEOUT_MS / portTICK_PERIOD_MS)
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// Timeout between polls
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#define POLL_TIMEOUT_MS (1)
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#define POLL_TIMEOUT_TICS (POLL_TIMEOUT_MS / portTICK_PERIOD_MS)
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// The macro to get offset for parameter in the appropriate structure
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#define HOLD_OFFSET(field) ((uint16_t)(offsetof(holding_reg_params_t, field) + 1))
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#define INPUT_OFFSET(field) ((uint16_t)(offsetof(input_reg_params_t, field) + 1))
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#define COIL_OFFSET(field) ((uint16_t)(offsetof(coil_reg_params_t, field) + 1))
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// Discrete offset macro
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#define DISCR_OFFSET(field) ((uint16_t)(offsetof(discrete_reg_params_t, field) + 1))
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#define STR(fieldname) ((const char*)( fieldname ))
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// Options can be used as bit masks or parameter limits
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#define OPTS(min_val, max_val, step_val) { .opt1 = min_val, .opt2 = max_val, .opt3 = step_val }
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/*´®¿ÚͨѶ½Ó¿Ú¶¨Òå*/
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#define CONFIG_MB_UART_TXD 0
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#define CONFIG_MB_UART_RXD 1
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//#define MB_PORT_NUM UART_NUM_1
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//#define MB_DEV_SPEED 9600
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// Enumeration of modbus device addresses accessed by master device
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enum {
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MB_DEVICE_ADDR1 = 1 // Only one slave device used for the test (add other slave addresses here)
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};
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// Enumeration of all supported CIDs for device (used in parameter definition table)
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enum {
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CID_INP_DATA_0 = 0,
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CID_HOLD_DATA_0,
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CID_INP_DATA_1,
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CID_HOLD_DATA_1,
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CID_INP_DATA_2,
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CID_HOLD_DATA_2,
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CID_HOLD_TEST_REG,
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CID_RELAY_P1,
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CID_RELAY_P2,
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CID_DISCR_P1,
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CID_COUNT
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};
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/*Modbus×ÜÏß³õʼ»¯º¯Êý*/
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static esp_err_t master_init(void); |