删除发送错误标志，主站软件改C代码

tb/sw/src/SlvMain.c

@@ -126,6 +126,15 @@ void main()
 			);
 
 
+			if(!isLast){
+				//等待发送完成标志
+				asm volatile (
+					"1:\n"
+					"andi ra, sp, 0x01\n"
+					"beqz ra, 1b\n"
+					"andi sp, sp, 0xFE\n"
+				);
+			}
 
 
 
@@ -152,31 +161,43 @@ void main()
 					"beqz ra, 1b\n"
 					"andi sp, sp, 0xFB\n"
 				);
-
-				readDat = *cdr_rxFifo;
-				operator = (readDat >> 16) & 0xf;
-				upRecvLen = readDat >> 20;
-				totNum = slvNum + (upRecvLen >> 3) - 1;
-
-				//接收第二个包
-				asm volatile (
-					"andi ra, sp, 0x08\n"
-					"1:\n"
-					"bnez ra, 1b\n" //error
-				);
+				
 				readDat = *cdr_rxFifo;	
 
+
+
+				// operator = (readDat >> 16) & 0xf; //速度不够，不校验
+				upRecvLen = readDat >> 20;
+
+
+
+
+				
+
+
+
 				//发送上行包头
 				*cdr_txLen = upRecvLen + 16; //upSendLen + 8
 				*cdr_txFifo = ((upRecvLen + 8) << 20) |( 0 << 16) | 0;
 				*cdr_txFifo = 0;
 
-				for( uint8_t i = 0; i < 8/4; i ++ ){
+				for( uint32_t i = 0; i < 8/4; i ++ ){
 					*cdr_txFifo = 0;
 				}
 
+
+
+				//接收第二个包
+				// asm volatile (
+				// 	"andi ra, sp, 0x08\n"
+				// 	"1:\n"
+				// 	"bnez ra, 1b\n" //error //速度不够，不校验
+				// );
+
+				uint32_t temp = *cdr_rxFifo;
+
 				//上行转发负载
-				for( uint16_t i = 0; i < upRecvLen >> 2; i ++ ){ //一次传4byte
+				for( uint32_t i = 0; i < (upRecvLen >> 2); i ++ ){ //一次传4byte
 					asm volatile (
 						"andi ra, sp, 0x80\n"
 						"1:\n"
@@ -204,19 +225,27 @@ void main()
 					"andi sp, sp, 0xF7\n"
 				);
 
-
+				totNum = slvNum + (upRecvLen >> 3) - 1;
 			} else { //islast
 				//发送上行包头
 				*cdr_txLen = 16; //upSendLen + 8
 				*cdr_txFifo = (8 << 20) |( 0 << 16) | 0;
 				*cdr_txFifo = 0;
 
-				for( uint8_t i = 0; i < 8/4; i ++ ){
+				for( uint32_t i = 0; i < 8/4; i ++ ){
 					*cdr_txFifo = 0;
 				}
+
+
 			}
 
-
+				//等待发送完成标志
+				asm volatile (
+					"1:\n"
+					"andi ra, sp, 0x01\n"
+					"beqz ra, 1b\n"
+					"andi sp, sp, 0xFE\n"
+				);