363 lines
12 KiB
C
363 lines
12 KiB
C
/*对外通讯 modbus从机*/
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#include "proto_modbus_slave_ex.h"
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#include "string.h"
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#include "stdio.h"
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#include "app.h"
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#include "os_timer.h"
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#include "bsp_Uart.h"
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#include "bsp_Flash.h"
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#include "proto_print.h"
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#include "proto_modbus_master_tdlas.h"
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static modbus_analysis_data_t modbus_analysis_data;//指令解析结构体
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static modbus_communication_send_buf_t send_struct;//发送结构体
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static void proto_modbus_communication_data_analysis(u8 *pData, u16 len, void *data);
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static void proto_modbus_communication_data_send(u8 *pData, u16 len);
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static void proto_modbus_init(void);
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static void proto_modbus_task(void);
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static modbus_error_code_e proto_modbus_data_write(u16 Addr, u16 Value);
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static u16 proto_modbus_data_read(u16 Addr);
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proto_Modbus_t modbus_slave_ex=
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{
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.id = 0x01,
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.data_read = proto_modbus_data_read,
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.data_write = proto_modbus_data_write,
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.data_analysis = proto_modbus_communication_data_analysis,
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.init = proto_modbus_init,
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.task = proto_modbus_task,
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};
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static proto_Modbus_t *p_modbus = &modbus_slave_ex;
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static bsp_Uart_t * rx_uart;
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static void proto_modbus_communication_data_send(u8 *pData, u16 len)
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{
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if(&COM_Uart1 == rx_uart)
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{
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COM_Uart1.Send(&COM_Uart1,pData,len);
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}
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else if(&COM_Uart4 == rx_uart)
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{
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COM_Uart4.Send(&COM_Uart4,pData,len);
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}
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}
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static void proto_modbus_init(void)
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{
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p_modbus->id = Usr_Flash.FlashData.modbus_id;
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COM_Uart1.Rx_DataAnalysis = proto_modbus_communication_data_analysis;
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COM_Uart4.Rx_DataAnalysis = proto_modbus_communication_data_analysis;
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}
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static void proto_modbus_task(void)
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{
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}
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static void proto_modbus_communication_data_analysis(u8 *pData, u16 len,void *other_data)
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{
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modbus_error_code_e error_code;
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u16 inx;
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u16 TempAddr, TempData, crc_16;
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if (0 == modbus_lib_analysis(&modbus_analysis_data, pData, len))//检查数据长度 校验是否正确
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return;
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if (p_modbus->id != modbus_analysis_data.id && modbus_analysis_data.id != 0xe8)//判断ID是否正确
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return;
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error_code = ModbusErrorCode_Success;
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/* //检查地址是否超出范围
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if ((modbus_analysis_data.start_addr >= MODBUS_REG_LEN) || (modbus_analysis_data.reg_number >= MODBUS_REG_LEN) ||
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(modbus_analysis_data.start_addr + modbus_analysis_data.reg_number >= MODBUS_REG_LEN))
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{
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ErrorCode = ModbusErrorCode_IllegalAddr;
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goto Error;
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}
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*/
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rx_uart = (bsp_Uart_t*)other_data;
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switch (modbus_analysis_data.func)
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{
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case 0x03:
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case 0x04:
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{
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TempAddr = modbus_analysis_data.start_addr;
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send_struct.send_buffer[0] = modbus_analysis_data.id;
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send_struct.send_buffer[1] = modbus_analysis_data.func;
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send_struct.send_buffer[2] = 2 * modbus_analysis_data.reg_number;
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for (inx = 0; inx < modbus_analysis_data.reg_number; inx++)
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{
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TempData = proto_modbus_data_read(TempAddr);
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send_struct.send_buffer[3 + 2 * inx] = (TempData >> 8) & 0xff;
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send_struct.send_buffer[4 + 2 * inx] = TempData & 0xff;
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TempAddr++;
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}
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crc_16 = modbus_lib_crc16(send_struct.send_buffer, 3 + send_struct.send_buffer[2]);
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send_struct.send_buffer[3 + send_struct.send_buffer[2]] = crc_16 & 0xff;
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send_struct.send_buffer[4 + send_struct.send_buffer[2]] = (crc_16 >> 8) & 0xff;
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send_struct.len = 5 + send_struct.send_buffer[2];
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}goto Success;
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/*特殊协议*/
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case 0x41:
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{
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TempAddr = modbus_analysis_data.start_addr;
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send_struct.send_buffer[0] = modbus_analysis_data.id;
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send_struct.send_buffer[1] = modbus_analysis_data.func;
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send_struct.send_buffer[2] = modbus_analysis_data.start_addr >> 8;
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send_struct.send_buffer[3] = modbus_analysis_data.start_addr & 0xff;
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send_struct.send_buffer[4] = (2 * modbus_analysis_data.reg_number) >> 8;
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send_struct.send_buffer[5] = (2 * modbus_analysis_data.reg_number) & 0xff;
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for (inx = 0; inx < modbus_analysis_data.reg_number; inx++)
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{
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TempData = proto_modbus_data_read(TempAddr);
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send_struct.send_buffer[6 + 2 * inx] = (TempData >> 8) & 0xff;
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send_struct.send_buffer[7 + 2 * inx] = TempData & 0xff;
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TempAddr++;
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}
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crc_16 = modbus_lib_crc16(send_struct.send_buffer, 6 + 2 * modbus_analysis_data.reg_number);
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send_struct.send_buffer[6 + 2 * modbus_analysis_data.reg_number] = crc_16 & 0xff;
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send_struct.send_buffer[7 + 2 * modbus_analysis_data.reg_number] = (crc_16 >> 8) & 0xff;
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send_struct.len = 8 + 2 * modbus_analysis_data.reg_number;
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}goto Success;
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case 0x06:
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{
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TempAddr = modbus_analysis_data.start_addr;
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TempData = (modbus_analysis_data.write_data_addr[0] << 8) | modbus_analysis_data.write_data_addr[1];
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error_code = proto_modbus_data_write(TempAddr, TempData);
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if (error_code)
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{
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goto Error;
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}
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send_struct.len = 8;
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send_struct.send_buffer[0] = modbus_analysis_data.id;
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send_struct.send_buffer[1] = modbus_analysis_data.func;
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send_struct.send_buffer[2] = modbus_analysis_data.start_addr >> 8;
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send_struct.send_buffer[3] = modbus_analysis_data.start_addr & 0xff;
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send_struct.send_buffer[4] = modbus_analysis_data.write_data_addr[0];
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send_struct.send_buffer[5] = modbus_analysis_data.write_data_addr[1];
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crc_16 = modbus_lib_crc16(send_struct.send_buffer, 6);
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send_struct.send_buffer[6] = crc_16 & 0xff;
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send_struct.send_buffer[7] = (crc_16 >> 8) & 0xff;
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}break;
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case 0x10:
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{
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TempAddr = modbus_analysis_data.start_addr;
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for (inx = 0; inx < modbus_analysis_data.reg_number; inx++)
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{
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TempData = modbus_analysis_data.write_data_addr[2 * inx];
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TempData = (TempData << 8) | modbus_analysis_data.write_data_addr[2 * inx + 1];
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error_code = proto_modbus_data_write(TempAddr, TempData);
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TempAddr++;
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if (error_code)
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{
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goto Error;
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}
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}
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send_struct.len = 8;
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send_struct.send_buffer[0] = modbus_analysis_data.id;
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send_struct.send_buffer[1] = modbus_analysis_data.func;
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send_struct.send_buffer[2] = modbus_analysis_data.start_addr >> 8;
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send_struct.send_buffer[3] = modbus_analysis_data.start_addr & 0xff;
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send_struct.send_buffer[4] = modbus_analysis_data.reg_number >> 8;
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send_struct.send_buffer[5] = modbus_analysis_data.reg_number & 0xff;
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crc_16 = modbus_lib_crc16(send_struct.send_buffer, 6);
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send_struct.send_buffer[6] = crc_16 & 0xff;
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send_struct.send_buffer[7] = (crc_16 >> 8) & 0xff;
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}
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break;
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default:
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{
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error_code = ModbusErrorCode_IllegalFunction;
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}
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goto Error;
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}
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Success:
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proto_modbus_communication_data_send(send_struct.send_buffer, send_struct.len);
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return;
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Error:
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send_struct.len = 5;
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send_struct.send_buffer[0] = modbus_analysis_data.id;
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send_struct.send_buffer[1] = modbus_analysis_data.func | 0x80;
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send_struct.send_buffer[2] = error_code;
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crc_16 = modbus_lib_crc16(send_struct.send_buffer, 3);
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send_struct.send_buffer[3] = crc_16 & 0xff;
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send_struct.send_buffer[4] = (crc_16 >> 8) & 0xff;
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proto_modbus_communication_data_send(send_struct.send_buffer, send_struct.len);
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}
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/******************************************
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* 函数: proto_modbus_data_write
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* 功能: Modbus写寄存器
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* 参数: Addr: 地址
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Value:数据
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* 返回: 无
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* 描述: 无
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******************************************/
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static modbus_error_code_e proto_modbus_data_write(u16 addr, u16 data)
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{
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modbus_error_code_e error_code;
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u8 temp_point,cali_point;
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error_code = ModbusErrorCode_Success;
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switch(addr)
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{
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/*温度 压力 湿度*/
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case 11000:
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{
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tdlas.control.fac_calib_para_set(*((u16 *)(&data)),0xffff,0xffff);
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}break;
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case 11001:
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{
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tdlas.control.fac_calib_para_set(0xffff,data,0xffff);
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}break;
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case 11002:
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{
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tdlas.control.fac_calib_para_set(0xffff,0xffff,data);
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}break;
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/*零点校准*/
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case 11003:
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{
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tdlas.control.zero_calib(0);
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}break;
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/*量程点校准*/
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case 11004:
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{
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tdlas.control.span_calib(data);
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}break;
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/*厂家标定*/
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case 11010 ... 11109:
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{
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temp_point = (addr - 11010) / 10;
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cali_point = (addr - 11010) % 10;
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tdlas.control.fac_calib(data,cali_point,temp_point);
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}break;
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/*转发传感器标定信息*/
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case 11200:
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{
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tdlas.control.fac_calib_data_get(data);
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}break;
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/*sn*/
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case 20000 ... 20004:
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{
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Usr_Flash.FlashData.sn[addr - 20000] = data;
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Usr_Flash.Write();
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}break;
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/*modbus_id*/
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case 20005:
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{
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Usr_Flash.FlashData.modbus_id = data;
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modbus_slave_ex.id = Usr_Flash.FlashData.modbus_id;
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Usr_Flash.Write();
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}break;
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/*modbus_read_reg_num*/
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case 20006:
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{
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if(data > 1000)
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{
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error_code = ModbusErrorCode_IllegalData;
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}
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else
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{
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Usr_Flash.FlashData.modbus_read_reg_num = data;
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Usr_Flash.Write();
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}
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}break;
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case 20007:
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{
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if(data > 16)
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{
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error_code = ModbusErrorCode_IllegalData;
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}
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else
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{
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Usr_Flash.FlashData.modbus_read_sensor_num = data;
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Usr_Flash.Write();
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}
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}break;
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/*FC打印相关数据*/
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case 252:
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{
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print.set(data);
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}break;
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}
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return error_code;
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}
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/******************************************
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* 函数: proto_modbus_data_read
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* 功能: Modbus读寄存器数据
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* 参数: Addr: 地址
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* 返回: 地址对应的数据
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* 描述: 无
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******************************************/
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static u16 proto_modbus_data_read(u16 addr)
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{
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u16 data = 0;
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u16 *p_data;
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u16 num,offset;
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switch(addr)
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{
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/*实时数据*/
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case 0 ... 639:
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{
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u16 size;
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size = sizeof(gas_data_t);
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/* TDLAS默认读取*/
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if( size== (2 * Usr_Flash.FlashData.modbus_read_reg_num))
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{
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p_data = (u16 *)&gas_data;
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data = p_data[addr];
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}
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else if((2 * Usr_Flash.FlashData.modbus_read_reg_num )< sizeof(gas_data_t))/*其他传感器*/
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{
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num = addr / Usr_Flash.FlashData.modbus_read_reg_num;
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offset = addr % Usr_Flash.FlashData.modbus_read_reg_num;
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p_data = (u16 *)&gas_data[num];
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data = p_data[offset];
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}
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}break;
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/*sn*/
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case 20000 ... 20004:
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{
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data = Usr_Flash.FlashData.sn[addr - 20000];
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}break;
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/*modbus_id*/
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case 20005:
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{
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data = Usr_Flash.FlashData.modbus_id;
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}break;
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/*modbus_read_reg_num*/
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case 20006:
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{
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data = Usr_Flash.FlashData.modbus_read_reg_num;
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}break;
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case 20007:
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{
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data = Usr_Flash.FlashData.modbus_read_sensor_num;
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}break;
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default:data = 0;
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}
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return data;
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}
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