97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
#include "modbus_485.h"
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//static void scom_485_send(UART_HandleTypeDef *huart, char *str)
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//{
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// RS485_RW(RS485_WR);
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// vTaskDelay(10);
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// printf("\r\n");
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// usart_printf(huart, "rs485 receive:[%s]\r\n", str);
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// printf("printf test_data:[%s]\r\n", str);
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// RS485_RW(RS485_RD);
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//}
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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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// scom_485_send(&huart2, scom->rx_buff);
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//RS485_RW(RS485_WR);
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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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//RS485_RW(RS485_RD);
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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_485(st_scom *scom)
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{
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if(scom != &scom2_rs485) return;
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//来自上位机的数据是否接收完成
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if(scom->rx_flag == TRUE)
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{
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scom->rx_flag = FALSE;
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switch (sig_trans)
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{
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case TRANS_HART:
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{
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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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//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, scom->rx_buff, sizeof(scom->rx_buff));
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scom1_hart.tx_flag = TRUE;
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}
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}
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break;
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case TRANS_BLUETOOTH:
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{
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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, scom->rx_buff, sizeof(scom->rx_buff));
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scom6_ble.tx_flag = TRUE;
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}
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break;
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case TRANS_MODBUS:
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{
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modbus_process_rtu();
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}
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break;
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case TRANS_NONE:
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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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//清空缓存区，等待新的数据
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memset(scom->rx_buff, 0, sizeof(scom->rx_buff));
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scom->rx_len = 0;
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}
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//数据是否准备完成
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if( (scom->tx_flag == TRUE) && (sig_trans != TRANS_NONE) )
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{
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scom->tx_flag = FALSE;
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vTaskDelay(10);
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//将数据发送至上位机
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HAL_UART_Transmit(&huart2, scom->tx_buff, scom->tx_len, 0xFFFF);
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//清空缓存区，等待新的数据
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memset(scom->tx_buff, 0, sizeof(scom->tx_buff));
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scom->tx_len = 0;
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}
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}
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