358 lines
9.4 KiB
C
358 lines
9.4 KiB
C
#include "modbus_485.h"
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uint32_t tick_start = 0;
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uint32_t tick_middle = 0;
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uint32_t tick_end = 0;
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//uint32_t trans_log_rx = 0;
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uint32_t trans_log_tx = 0;
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TRANS_PROCESS st_flag = TRANSPARENT_WAIT;
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void parse_scom_485(st_scom *scom)
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{
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if ((scom == &scom2_rs485) && (scom->rx_flag == TRUE))
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{
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scom->rx_flag = FALSE;
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if ((scom->rx_buff[0] == 0xff) && (scom->rx_buff[1] == 0xff) && (scom->rx_buff[scom->rx_len - 1] == 0xaa))
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{
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vTaskDelay(10);
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HAL_UART_Transmit(&huart2, scom->rx_buff, scom->rx_len, 0xFFFF);
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}
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scom->rx_len = 0;
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}
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}
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void transparent_tim(void)
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{
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switch (sig_trans)
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{
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case TRANS_NONE:
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{}
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break;
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case TRANS_HART_TO_PC:
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{
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trans_hart2pc();
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}
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break;
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case TRANS_PC_TO_HART:
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{
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trans_pc2hart();
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}
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break;
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case TRANS_BLE_TO_PC:
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{
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trans_ble2pc();
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}
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break;
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case TRANS_PC_TO_BLE:
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{
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trans_pc2ble();
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}
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break;
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case TRANS_MODBUS_PC_TO_SIG:
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{
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trans_modbus_pc2sig();
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}
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break;
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case TRANS_MODBUS_SIG_TO_SLAVE:
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{
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trans_modbus_sig2slave();
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}
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break;
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default:
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break;
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}
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}
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void trans_hart2pc(void)
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{
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//来自HART设备的数据是否接收完成
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if (scom1_hart.rx_flag == TRUE)
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{
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scom1_hart.rx_flag = FALSE;
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//接收到的数据是否符合HART数据报，符合则写入485的tx，准备发送至上位机
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if ((scom1_hart.rx_buff[0] == 0xff) && (scom1_hart.rx_buff[1] == 0xff) && (scom1_hart.rx_buff[scom1_hart.rx_len - 1] == 0xAA))
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{
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memcpy(scom2_rs485.tx_buff, scom1_hart.rx_buff, scom1_hart.rx_len);
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scom2_rs485.tx_len = scom1_hart.rx_len;
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scom2_rs485.tx_flag = TRUE;
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}
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if(scom2_rs485.tx_flag == TRUE)
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{
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scom2_rs485.tx_flag = FALSE;
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//将数据发送至上位机
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HAL_UART_Transmit_DMA(&huart2, scom2_rs485.tx_buff, scom2_rs485.tx_len);
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}
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//清空缓存区，等待新的数据
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memset(scom1_hart.rx_buff, 0, scom1_hart.rx_len);
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scom1_hart.rx_len = 0;
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}
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}
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void trans_pc2hart(void)
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{
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if (scom2_rs485.rx_flag == TRUE)
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{
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scom2_rs485.rx_flag = FALSE;
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if ((scom2_rs485.rx_buff[0] == 0xff) && (scom2_rs485.rx_buff[1] == 0xff) && (scom2_rs485.rx_buff[scom2_rs485.rx_len - 1] == 0xaa))
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{
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//接收到的数据是否符合HART数据报，符合则写入HART的tx，准备发送至HART设备
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memcpy(scom1_hart.tx_buff, scom2_rs485.rx_buff, scom2_rs485.rx_len);
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scom1_hart.tx_len = scom2_rs485.rx_len;
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scom1_hart.tx_flag = TRUE;
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}
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//来自上位机的数据是否准备完毕
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if (scom1_hart.tx_flag == TRUE)
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{
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scom1_hart.tx_flag = FALSE;
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HART_RTS(RTS_ON);
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wu_delay_us(10000);
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//将tx中的数据发送至HART设备
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HAL_UART_Transmit_DMA(&huart1, scom1_hart.tx_buff, scom1_hart.tx_len);
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}
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//清空缓存区，等待新的数据
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memset(scom2_rs485.rx_buff, 0, scom2_rs485.rx_len);
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scom2_rs485.rx_len = 0;
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}
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}
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void trans_ble2pc(void)
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{
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if( ble_init() == 0 ) return;
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if (scom6_ble.rx_flag == TRUE)
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{
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scom6_ble.rx_flag = FALSE;
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//将接收到的数据存入485的tx，准备发送至上位机
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memcpy(scom2_rs485.tx_buff, scom6_ble.rx_buff, scom6_ble.rx_len);
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scom2_rs485.tx_len = scom6_ble.rx_len;
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scom2_rs485.tx_flag = TRUE;
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if(scom2_rs485.tx_flag == TRUE)
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{
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scom2_rs485.tx_flag = FALSE;
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//将数据发送至上位机
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HAL_UART_Transmit_DMA(&huart2, scom2_rs485.tx_buff, scom2_rs485.tx_len);
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}
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//清空缓存区，等待新的数据
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memset(scom6_ble.rx_buff, 0, scom6_ble.rx_len);
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scom6_ble.rx_len = 0;
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}
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}
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void trans_pc2ble(void)
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{
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if (scom2_rs485.rx_flag == TRUE)
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{
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scom2_rs485.rx_flag = FALSE;
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//将接收到的数据存入BLE的tx，准备发送至蓝牙设备
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memcpy(scom6_ble.tx_buff, scom2_rs485.rx_buff, scom2_rs485.rx_len);
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scom6_ble.tx_len = scom2_rs485.rx_len;
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scom6_ble.tx_flag = TRUE;
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//来自上位机的数据是否准备完毕
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if (scom6_ble.tx_flag == TRUE)
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{
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scom6_ble.tx_flag = FALSE;
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//将tx中的数据发送至蓝牙设备
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HAL_UART_Transmit_DMA(&huart6, scom6_ble.tx_buff, scom6_ble.tx_len);
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}
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//清空缓存区，等待新的数据
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memset(scom2_rs485.rx_buff, 0, scom2_rs485.rx_len);
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scom2_rs485.rx_len = 0;
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}
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}
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void trans_modbus_pc2sig(void)
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{
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if (scom2_rs485.rx_flag == TRUE)
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{
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scom2_rs485.rx_flag = FALSE;
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modbus_process_rtu();
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if(scom2_rs485.tx_flag == TRUE)
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{
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scom2_rs485.tx_flag = FALSE;
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//将数据发送至上位机
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HAL_UART_Transmit_DMA(&huart2, scom2_rs485.tx_buff, scom2_rs485.tx_len);
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}
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//清空缓存区，等待新的数据
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memset(scom2_rs485.rx_buff, 0, scom2_rs485.rx_len);
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scom2_rs485.rx_len = 0;
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}
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}
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uint8_t sig2slave_step = 0;
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uint8_t sig2slave_data_length_total = 0;
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uint8_t buffer_size_temp = BUFFER_SIZE;
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void trans_modbus_sig2slave(void)
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{
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if (scom2_rs485.rx_flag == TRUE)
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{
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scom2_rs485.rx_flag = FALSE;
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switch (sig2slave_step)
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{
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case 0:
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{
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//进入此处说明已经接收完成一部分数据，重新开始超时计时，发送标志复位
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mod_master.tx_flag = TX_NONE;
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sig2slave_current_tick = 0;
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//记录第一次接收到的数据长度
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sig2slave_data_length_total = scom2_rs485.rx_len;
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//修改剩余buff长度，继续接收
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buffer_size_temp -= scom2_rs485.rx_len;
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HAL_UART_Receive_DMA(&huart2, scom2_rs485.rx_buff + sig2slave_data_length_total, buffer_size_temp);
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sig2slave_step++;
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}
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break;
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case 1:
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{
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//超时时间内再次收到数据，重新开始超时计时
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sig2slave_current_tick = 0;
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//本次收到的数据长度
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uint8_t sig2slave_data_length_temp = buffer_size_temp - __HAL_DMA_GET_COUNTER(huart2.hdmarx);
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//累计收到的数据长度
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sig2slave_data_length_total += sig2slave_data_length_temp;
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scom2_rs485.rx_len = sig2slave_data_length_total;
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if(scom2_rs485.rx_len < BUFFER_SIZE)
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{
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//继续接收
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buffer_size_temp -= sig2slave_data_length_temp;
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HAL_UART_Receive_DMA(&huart2, scom2_rs485.rx_buff + sig2slave_data_length_total, buffer_size_temp);
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}
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}
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break;
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case 2:
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{
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if(mod_master.rx_error_message != RX_ERROR_TIMEOUT)
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{
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//进入此处说明收到了数据，并且超时计时期间内未收到新的数据
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modbus_rtu_master_analysis();
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}
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else
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{
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strcpy(mod_master.result_display, "ERROR: TIMEOUT");
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}
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//在屏幕上显示 mod_master.result_display 字符串
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lv_label_set_text(guider_ui.screen_modbus_trx_value_Rx, mod_master.result_display);
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//数据传输状态复位
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sig2slave_step = 0;
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sig_trans = TRANS_NONE;
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//数据处理完成后，情况接收数据
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memset(scom2_rs485.rx_buff, 0, scom2_rs485.rx_len);
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scom2_rs485.rx_len = 0;
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//DMA连续接收参数复位
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sig2slave_data_length_total = 0;
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buffer_size_temp = BUFFER_SIZE;
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HAL_UART_Receive_DMA(&huart2, scom2_rs485.rx_buff, BUFFER_SIZE);
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}
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break;
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default:
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break;
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}
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}
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}
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uint8_t trans_enable_check(st_scom *scom)
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{
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uint8_t result = 0;
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if( scom == &scom1_hart )
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{
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if(tabdata.hart_enable)
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{
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result = 1;
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sig_trans = TRANS_HART_TO_PC;
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}
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}
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if( scom == &scom6_ble )
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{
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if(tabdata.bluetooth_enable)
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{
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result = 1;
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sig_trans = TRANS_BLE_TO_PC;
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}
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}
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if( scom == &scom2_rs485 )
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{
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if(tabdata.hart_enable)
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{
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result = 1;
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sig_trans = TRANS_PC_TO_HART;
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}
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else if(tabdata.bluetooth_enable)
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{
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result = 1;
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sig_trans = TRANS_PC_TO_BLE;
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}
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else if(tabdata.modbus_enable)
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{
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result = 1;
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switch (tabdata.modbus_type)
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{
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case SIG_SLAVE:
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{
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sig_trans = TRANS_MODBUS_PC_TO_SIG;
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}
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break;
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case SIG_MASTER:
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{
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sig_trans = TRANS_MODBUS_SIG_TO_SLAVE;
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}
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break;
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default:
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break;
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}
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}
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}
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return result;
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}
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