199 lines
6.5 KiB
C
199 lines
6.5 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef _IOT_MODBUS_TASK_H_
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#define _IOT_MODBUS_TASK_H_
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#include "iot_task_api.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if PLC_SUPPORT_CCO_ROLE
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#define IOT_MODBUS_RT_TABLE_SUPPORT 1
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#endif
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/** Message type defination: */
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#define IOT_MODBUS_TASK_MT_UART 1 /** message from uart. */
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#define IOT_MODBUS_TASK_MT_TIMER 2 /** message from timer. */
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#define IOT_MODBUS_TASK_MT_INTERNAL 3 /** message from modbus-task. */
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/* message id for IOT_MODBUS_TASK_MT_TIMER */
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#define IOT_MODBUS_TASK_MSG_ID_TMR_GE_START_MONITOR (1)
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#define IOT_MODBUS_TASK_MSG_ID_TMR_UART_MB_TIMEOUT (2)
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#define IOT_MODBUS_TASK_MSG_ID_CMD_HANDLE (3)
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#if IOT_MODBUS_RT_TABLE_SUPPORT
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#define IOT_MODBUS_TASK_MSG_ID_TMR_RT_UPDATE_TIMEOUT (4)
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/* rout table update period, 20S */
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#define IOT_MODBUS_TASK_RT_TIMER_PERIOD (20*1000) /* units:ms */
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/* iot mac address hash table handle */
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typedef void *iot_modbus_addr_rout_table_h;
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#endif
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#define IOT_MODBUS_MSG_ID_TMR_MB_EXT_RESP_TIMEOUT (5)
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#define IOT_MODBUS_TASK_ID IOT_MODBUS_MID
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/* stack size of task */
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#if (IOT_PSRAM_ENABLE)
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#define IOT_MODBUS_TASK_TASK_STACK_SIZE (2048)
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#else
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#define IOT_MODBUS_TASK_TASK_STACK_SIZE (512)
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#endif
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#define IOT_MODBUS_TASK_PROTO_TASK_PRIO (6)
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/* number of messages pending in queue. */
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#if (IOT_PSRAM_ENABLE)
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#define IOT_MODBUS_TASK_TASK_POOL_SIZE (128)
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#else
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#define IOT_MODBUS_TASK_TASK_POOL_SIZE (32)
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#endif
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#define IOT_MODBUS_TASK_GE_START_TIMER_PERIOD (100) /* units:ms */
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/* should greater than IOT_UART_NO_FMT_TIMEOUT(default 100ms) */
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#define IOT_MODBUS_TASK_UART_MB_TIMER_PERIOD (120) /* units:ms */
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#define IOT_FN160_TYPE_MODBUS (0x01)
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/* define uart recv buffer. */
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#define IOT_MODBUS_MAX_BUF_SIZE (1024)
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#pragma pack(push) /* save the pack status */
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#pragma pack(1) /* 1 byte align */
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typedef struct _iot_mb_task_t {
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/* task handle */
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iot_task_h task;
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/* uart handle */
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iot_uart_h uart_h;
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/* timer handle */
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timer_id_t ge_start_timer;
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timer_id_t uart_timer;
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timer_id_t rt_update_timer;
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timer_id_t mb_ext_resp_timer;
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/* local mac address. */
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uint8_t local_mac[IOT_MAC_ADDR_LEN];
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#if PLC_SUPPORT_STA_ROLE
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/* dest cco mac */
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uint8_t dest_cco_mac[IOT_MAC_ADDR_LEN];
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#endif
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/* local device slave address for modbus */
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uint8_t slave_addr;
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/* buf to save uart modbus data */
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uint8_t uart_mb_buf[IOT_MODBUS_MAX_BUF_SIZE];
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/* uart modbus len */
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uint32_t uart_mb_len;
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/* buf to save ge modbus data */
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uint8_t ge_mb_buf[IOT_MODBUS_MAX_BUF_SIZE];
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/* ge modbus len */
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uint32_t ge_mb_len;
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#if IOT_MODBUS_RT_TABLE_SUPPORT
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/* route table */
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iot_modbus_addr_rout_table_h rt_table;
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#endif
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} iot_mb_task_t;
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typedef struct _ge_fn160_appdata_mb_t {
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uint8_t type; /* trans proto type */
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uint8_t src_mac[IOT_MAC_ADDR_LEN];
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uint8_t frame_total : 4, /* total frames */
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frame_idx : 4; /* index current frame */
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uint8_t data[0]; /* modbus raw data */
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} ge_fn160_appdata_mb_t;
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#pragma pack(pop)
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/** modbus func code:
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## bit access
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0x02(2) Read Input Discrete
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0x01(1) Read Coils
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0x05(5) Write Single Coil
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0x0F(15) Write Multiple Coils
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## 16 bits access
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0x04(4) Read Input Register
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0x03(3) Read Multiple Registers
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0x06(6) Write Single Register
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0x10(16) Write Multiple Registers
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0x17(23) Read/Write Multiple Registers
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0x16(22) Mask Write Register
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## error function code
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the msb is 1 when above function code is error.
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*/
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typedef struct _iot_mb_data_check_t {
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uint8_t func_code; /* modbus function code */
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uint8_t min_len; /* modbus min len */
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uint8_t not_fix_len; /* 0:use min_len;1:use min_len+append data len */
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uint8_t byte_count_idx;/* append data len index */
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} iot_mb_data_check_t;
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/**
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* @brief iot_modbus_rtu_crc16() - Compute the MODBUS RTU CRC
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* @param buf: the pointer of data.
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* @param len : data length.
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* @return : crc16 of the modbus rtu.
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*/
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uint16_t iot_modbus_rtu_crc16(uint8_t *buf, uint32_t len);
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/**
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* @brief iot_modbus_fn160_appdata_pack() - pack fn160 appdata.
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* @param mb_data: the pointer of data.
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* @param mb_len : data length.
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* @return : the packed data of fn160 appdata.
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*/
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iot_pkt_t *iot_modbus_fn160_appdata_pack(uint8_t *mb_data, uint32_t mb_len,
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uint32_t curr_idx, uint32_t total_idx);
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/**
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* @brief iot_mb_task_post_uart_cmd() - recveived command from uart, send to
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* common proto
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* @param data: command data.
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* @param len : command data length.
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* @param param : other param.
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* @return : ERR_OK - send successfully.
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* ERR_FAIL - send failed.
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*/
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uint8_t iot_mb_task_post_uart_cmd(uint8_t * data, uint16_t len, uint32_t param);
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/**
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* @brief iot_mb_task_msg_post() - port pkt data.
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* @param msg_type: message type.
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* @param msg_id : message id.
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* @param data : iot_pkt data will be post.
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*/
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void iot_mb_task_msg_post(uint16_t msg_type, uint16_t msg_id, iot_pkt_t *data);
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/**
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* @brief iot_mb_task_msg_post_to_uart() - send data to uart port.
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* @param p_pkt_frame: pointer of pkt frame data buffer.
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* @return ERR_OK
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*/
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uint32_t iot_mb_task_msg_post_to_uart(iot_uart_h uart_h, iot_pkt_t *p_pkt_frame);
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/**
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* @brief app_modbus_task_entry() - ge modbus app.
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* @param none.
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* @return: ERR_OK - successfully.
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* ERR_FAIL - failed.
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*/
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uint32_t app_modbus_task_entry(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _IOT_MODBUS_TASK_H_ */
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