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Работает Modbus, проверено на ESP32-S3-Zero

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Заготовка для модбас на ИВР
This commit is contained in:
Razvalyaev
2025-08-29 20:23:34 +03:00
parent 51f6216eb7
commit 1c4f4d689a
6 changed files with 235 additions and 87 deletions
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50
modbus.cpp
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@@ -1,6 +1,6 @@
/**
**************************************************************************
* @file modbus.c
* @file modbus.cpp
* @brief Модуль для реализации MODBUS.
**************************************************************************
* @details Файл содержит реализацию функций работы с Modbus, включая:
@@ -50,16 +50,18 @@
* Таким образом, сами коилы могут представлять собой как массив так и структуру.
*
* @section Инструкция по подключению
* Для корректной работы надо подключить обработчики RS_UART_Handler(), RS_TIM_Handler(),
* в соответствубщие низкоуровневые прерывания UART_IRQHandler, TIM_IRQHandler. После HAL'овского обработчика
*
* Также необходимо в modbus_config.h настроить дефайны для нужной работы UART
* Настройте modbus_config.h дефайны для нужной работы UART
*
* После для запуска Modbus:
* @verbatim
//----------------Прием модбас----------------//
#include "rs_message.h"
MODBUS_FirstInit();
RS_Receive_IT(&hmodbus1, &MODBUS_MSG);
void loop()
{
RS_Process(&hmodbus1);(&hmodbus1, &MODBUS_MSG);
}
* @endverbatim
*
******************************************************************************/
@@ -73,6 +75,7 @@ MB_DeviceIdentificationTypeDef MB_INFO;
MB_DataStructureTypeDef MB_DATA;
RS_MsgTypeDef MODBUS_MSG;
//-------------------------------------------------------------------
//-----------------------------FOR USER------------------------------
/**
@@ -91,6 +94,7 @@ void MODBUS_FirstInit(void)
hmodbus1.sRS_RX_Size_Mode = RS_RX_Size_NotConst;
hmodbus1.pMessagePtr = &MODBUS_MSG;
// INIT
rs_huart.begin(115200, SERIAL_8N1, 8, 9);
hmodbus1.RS_STATUS = RS_Init(&hmodbus1, &rs_huart, 0);
RS_EnableReceive();
@@ -188,6 +192,7 @@ MB_ExceptionTypeDef MB_Check_Address_For_Arr(uint16_t Addr, uint16_t Qnt, uint16
// if quantity too big return error
if ((Addr - R_ARR_ADDR) + Qnt > R_ARR_NUMB)
{
MB_DEBUG_PRINT("[MB] Illegal Data Address");
return ILLEGAL_DATA_ADDRESS; // return exception code
}
// if all ok - return no errors
@@ -195,7 +200,10 @@ MB_ExceptionTypeDef MB_Check_Address_For_Arr(uint16_t Addr, uint16_t Qnt, uint16
}
// if address isnt from this array return error
else
return ILLEGAL_DATA_ADDRESS; // return exception code
{
MB_DEBUG_PRINT("[MB] Illegal Data Address");
return ILLEGAL_DATA_ADDRESS; // return exception code
}
}
/**
* @brief Define Address Origin for Input/Holding Registers
@@ -213,6 +221,7 @@ MB_ExceptionTypeDef MB_DefineRegistersAddress(uint16_t **pRegs, uint16_t Addr, u
/* check quantity error */
if (Qnt > 125)
{
MB_DEBUG_PRINT("[MB] Illegal Data Value");
return ILLEGAL_DATA_VALUE; // return exception code
}
@@ -226,6 +235,7 @@ MB_ExceptionTypeDef MB_DefineRegistersAddress(uint16_t **pRegs, uint16_t Addr, u
// if address doesnt match any array - return illegal data address response
else
{
MB_DEBUG_PRINT("[MB] Illegal Data Address");
return ILLEGAL_DATA_ADDRESS;
}
}
@@ -239,11 +249,13 @@ MB_ExceptionTypeDef MB_DefineRegistersAddress(uint16_t **pRegs, uint16_t Addr, u
// if address doesnt match any array - return illegal data address response
else
{
MB_DEBUG_PRINT("[MB] Illegal Data Address");
return ILLEGAL_DATA_ADDRESS;
}
}
else
{
MB_DEBUG_PRINT("[MB] Illegal Function");
return ILLEGAL_FUNCTION;
}
// if found requeried array return no err
@@ -266,6 +278,7 @@ MB_ExceptionTypeDef MB_DefineCoilsAddress(uint16_t **pCoils, uint16_t Addr, uint
/* check quantity error */
if (Qnt > 2000)
{
MB_DEBUG_PRINT("[MB] Illegal Data Value");
return ILLEGAL_DATA_VALUE; // return exception code
}
@@ -277,6 +290,7 @@ MB_ExceptionTypeDef MB_DefineCoilsAddress(uint16_t **pCoils, uint16_t Addr, uint
// if address doesnt match any array - return illegal data address response
else
{
MB_DEBUG_PRINT("[MB] Illegal Data Address");
return ILLEGAL_DATA_ADDRESS;
}
@@ -611,20 +625,24 @@ RS_StatusTypeDef RS_Response(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *modbus_ms
{
// Read Coils
case MB_R_COILS:
MB_DEBUG_PRINT("[MB] Read Coils request");
hmodbus->f.MessageHandled = MB_Read_Coils(hmodbus->pMessagePtr);
break;
// Read Hodling Registers
case MB_R_HOLD_REGS:
MB_DEBUG_PRINT("[MB] Read Hodling Registers request");
hmodbus->f.MessageHandled = MB_Read_Hold_Regs(hmodbus->pMessagePtr);
break;
case MB_R_IN_REGS:
MB_DEBUG_PRINT("[MB] Read Input Registers request");
hmodbus->f.MessageHandled = MB_Read_Input_Regs(hmodbus->pMessagePtr);
break;
// Write Single Coils
case MB_W_COIL:
MB_DEBUG_PRINT("[MB] Write Single Coil request");
hmodbus->f.MessageHandled = MB_Write_Single_Coil(hmodbus->pMessagePtr);
if(hmodbus->f.MessageHandled)
{
@@ -634,6 +652,7 @@ RS_StatusTypeDef RS_Response(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *modbus_ms
break;
case MB_W_HOLD_REG:
MB_DEBUG_PRINT("[MB] Write Single Hodling Register request");
hmodbus->f.MessageHandled = MB_Write_Single_Reg(hmodbus->pMessagePtr);
if(hmodbus->f.MessageHandled)
{
@@ -644,6 +663,7 @@ RS_StatusTypeDef RS_Response(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *modbus_ms
// Write Multiple Coils
case MB_W_COILS:
MB_DEBUG_PRINT("[MB] Write Multiple Coils request");
hmodbus->f.MessageHandled = MB_Write_Miltuple_Coils(hmodbus->pMessagePtr);
if(hmodbus->f.MessageHandled)
{
@@ -654,6 +674,7 @@ RS_StatusTypeDef RS_Response(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *modbus_ms
// Write Multiple Registers
case MB_W_HOLD_REGS:
MB_DEBUG_PRINT("[MB] Write Multiple Hodling Registers request");
hmodbus->f.MessageHandled = MB_Write_Miltuple_Regs(hmodbus->pMessagePtr);
if(hmodbus->f.MessageHandled)
{
@@ -663,22 +684,29 @@ RS_StatusTypeDef RS_Response(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *modbus_ms
break;
case MB_R_DEVICE_INFO:
MB_DEBUG_PRINT("[MB] Read Device Information request");
hmodbus->f.MessageHandled = MB_Read_Device_Identification(hmodbus->pMessagePtr);
break;
/* unknown func code */
default: modbus_msg->Except_Code = ILLEGAL_FUNCTION; /* set exception code: illegal function */
default:
MB_DEBUG_PRINT("[MB] Illegal function");
modbus_msg->Except_Code = ILLEGAL_FUNCTION; /* set exception code: illegal function */
}
if(hmodbus->f.MessageHandled == 0)
{
MB_DEBUG_PRINT("[MB] Function not handled");
modbus_msg->Func_Code = static_cast<MB_FunctonTypeDef>(
static_cast<int>(modbus_msg->Func_Code) + ERR_VALUES_START
);
MB_ERR_DEBUG_PRINT2_HEX("[MB] Function Code:", modbus_msg->Func_Code);
MB_ERR_DEBUG_PRINT2_DEC("[MB] Error Code:", modbus_msg->Except_Code);
}
else
{
MB_DEBUG_PRINT("[MB] Function handled, responsing...");
}
@@ -733,6 +761,7 @@ RS_StatusTypeDef RS_Collect_Message(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *mo
if (modbus_msg->ByteCnt > DATA_SIZE*2) // if ByteCnt less than DATA_SIZE
{
MB_DEBUG_PRINT("[MB] Response is invalid (ByteCnt not match DataSize)");
return RS_COLLECT_MSG_ERR;
}
@@ -754,6 +783,7 @@ RS_StatusTypeDef RS_Collect_Message(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *mo
modbus_uart_buff[ind++] = modbus_msg->ByteCnt;
else // otherwise return data_size err
{
MB_DEBUG_PRINT("[MB] Response is invalid (ByteCnt not match DataSize)");
return RS_COLLECT_MSG_ERR;
}
@@ -844,6 +874,7 @@ RS_StatusTypeDef RS_Parse_Message(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *modb
modbus_msg->Func_Code = static_cast<MB_FunctonTypeDef>(
static_cast<int>(modbus_msg->Func_Code) + ERR_VALUES_START
);
MB_DEBUG_PRINT("[MB] Request is invalid (ByteCnt not match DataSize)");
return RS_PARSE_MSG_ERR;
}
uint16_t *tmp_data_addr = (uint16_t *)modbus_msg->DATA;
@@ -869,6 +900,9 @@ RS_StatusTypeDef RS_Parse_Message(RS_HandleTypeDef *hmodbus, RS_MsgTypeDef *modb
// compare crc
if (modbus_msg->MB_CRC != CRC_VALUE)
{
MB_DEBUG_PRINT("[MB] Request CRC is invalid");
MB_ERR_DEBUG_PRINT2_HEX("[MB] Request CRC: ", modbus_msg->MB_CRC);
MB_ERR_DEBUG_PRINT2_HEX("[MB] Calced CRC: ", CRC_VALUE);
modbus_msg->Func_Code = static_cast<MB_FunctonTypeDef>(
static_cast<int>(modbus_msg->Func_Code) + ERR_VALUES_START
);