modify connect

QualityReport(multical,DefaultBuild).txt

@@ -1,13 +1,13 @@
 QualityReport
-2026년 3월 13일 금요일 오전 11:32:23
+2026년 3월 16일 월요일 오후 3:13:03
 
 ------ Start build(multical, DefaultBuild) ------
 ------ Build ended(Error:0, Warning:0)(multical, DefaultBuild) ------
 
 
 --- SHA1 hash value of output files ---
-C:\Users\temp\Desktop\new_fw\DefaultBuild\multical.abs: 27faa0d66d2c305e3d33d9a142ca0c268dd53099
-C:\Users\temp\Desktop\new_fw\DefaultBuild\multical.mot: e3c9e07123793c5cd6a5bd0e8577a0905c23c28f
+C:\Users\temp\Desktop\new_fw\DefaultBuild\multical.abs: f11e23a50a4b42ef052d2effc091d61f3c612086
+C:\Users\temp\Desktop\new_fw\DefaultBuild\multical.mot: 630d25b191142533d214fb10f07cdcb7601c85c6
 
 
 --- System Information ---
@@ -35,13 +35,13 @@ C:\Users\temp\Desktop\new_fw\DefaultBuild\multical.mot: e3c9e07123793c5cd6a5bd0e
  C:\Program Files (x86)\Renesas Electronics\CS+\CC
 *Memory Usage
  *Private Working Set
-  349 MB
+  376 MB
  *Number of GDI Objects
-  2774
+  2741
  *Number of USER Objects
-  1591
+  1526
  *Opened Files
-  32 editors, 32 files, 233 KB
+  32 editors, 32 files, 236 KB
 
 --- Build Tool Plug-in Information ---
 RH850 Build tool CC-RH Plug-in

r_main.c

@@ -58,8 +58,8 @@ Includes
 #define UART_RX_BUF_SIZE  1024   
 #define RS485_BRIDGE_FIFO_SZ 2048
 
-#define BRIDGE_IDLE_DONE_US   2000000U   //  ?  3ms ?  ?
-#define BRIDGE_TOTAL_WAIT_US   6000000U
+#define BRIDGE_IDLE_DONE_US    2500000U   /* sweep 중 성공 라인 사이 최대 무응답 허용 시간 */
+#define BRIDGE_TOTAL_WAIT_US  30000000U   /* sweep 전체 브리지 최대 대기 시간 */
 
 /* =========================
  * UART RX Buffers
@@ -695,7 +695,7 @@ static void print_hex_line(CmdSource src, const uint8_t *data, uint16_t len)
     OUT_PRINT(src, out);
 }
 
-static int execute_connect_verify_sequence(CmdSource src, const app_job_t *job)
+static int run_connect_verify_one_channel(const app_job_t *job, uint8_t ch)
 {
     app_owi_result_t r_write1;
     app_owi_result_t r_read2;
@@ -708,25 +708,7 @@ static int execute_connect_verify_sequence(CmdSource src, const app_job_t *job)
     uint8_t attempt;
 
     if (!job) return 0;
-
-    /* connect 전용 패턴
-       xNNc_XXX...:owt28006 AABBCC DDEEFF
-       - id  = 0x28
-       - len = 6
-       - payload[0..2] = 첫 write 3바이트
-       - payload[3..5] = 최종 비교 기대값 3바이트
-    */
-    if (job->type  != APP_JOB_PROTO_OW) return 0;
-    if (job->proto != APP_PROTO_OWIT)   return 0;
-    if (job->id    != 0x28u)            return 0;
-    if (job->len   != 6u)               return 0;
-
-    if (job->addr != g_fixed_addr) return 0;
-
-    if (job->channel < 1 || job->channel > 20) {
-        OUT_PRINT(src, "Err:ch_range\r\n");
-        return 1;
-    }
+    if (ch < 1 || ch > 20) return 0;
 
     memcpy(write1_data,   &job->payload[0], 3);
     memcpy(expected_tail, &job->payload[3], 3);
@@ -748,8 +730,8 @@ static int execute_connect_verify_sequence(CmdSource src, const app_job_t *job)
             Eol_Init();
         }
 
-        Gate_SetByNum(job->channel, job->hash_on, job->anaout_on, job->check_on);
-        GateCtrl_SelectChannel(job->channel);
+        Gate_SetByNum(ch, job->hash_on, job->anaout_on, job->check_on);
+        GateCtrl_SelectChannel(ch);
 
         delay_us(30000);
 
@@ -771,20 +753,80 @@ static int execute_connect_verify_sequence(CmdSource src, const app_job_t *job)
             continue;
         }
 
-        /* 4) OR 28 003 -> 실제 칩 결과 읽기 */
+        /* 4) OR 28 003 */
         r_read3 = app_owi_read_basic(0x28u, 3);
         if (!r_read3.ok || r_read3.timeout || r_read3.read_len < 3) {
             continue;
         }
 
-        /* 실제 읽은 3바이트와 기대값 비교 */
         if (memcmp(r_read3.data, expected_tail, 3) == 0) {
-            OUT_PRINT(src, "Success\r\n");
             return 1;
         }
     }
 
+    return 0;
+}
+
+static void print_connect_sweep_result(CmdSource src, uint8_t ch, uint8_t ok)
+{
+    char msg[32];
+    sprintf(msg, "ch%u: %s\r\n", (unsigned)ch, ok ? "Success" : "Fail");
+    OUT_PRINT(src, msg);
+}
+
+static int execute_connect_verify_sequence(CmdSource src, const app_job_t *job)
+{
+    uint8_t ch;
+    uint8_t success_count = 0;
+
+    if (!job) return 0;
+
+    /* connect 전용 패턴
+       xNNc_XXX...:owt28006 AABBCC DDEEFF
+       - id  = 0x28
+       - len = 6
+       - payload[0..2] = 첫 write 3바이트
+       - payload[3..5] = 최종 비교 기대값 3바이트
+    */
+    if (job->type  != APP_JOB_PROTO_OW) return 0;
+    if (job->proto != APP_PROTO_OWIT)   return 0;
+    if (job->id    != 0x28u)            return 0;
+    if (job->len   != 6u)               return 0;
+
+    if (job->addr != g_fixed_addr) return 0;
+
+    /* 000 이면 1~20 sweep */
+    if (job->channel == 0u) {
+        for (ch = 1; ch <= 20; ch++) {
+            uint8_t ok = (uint8_t)run_connect_verify_one_channel(job, ch);
+
+            if (ok) {
+		print_connect_sweep_result(src, ch, 1);    
+                success_count++;
+            }
+        }
+
+        if (success_count == 0u) {
+            OUT_PRINT(src, "Fail\r\n");
+        }
+        send_end_response(src);
+        return 1;
+    }
+
+    /* 단일 채널 */
+    if (job->channel < 1 || job->channel > 20) {
+        OUT_PRINT(src, "Err:ch_range\r\n");
+        send_end_response(src);
+        return 1;
+    }
+
+    if (run_connect_verify_one_channel(job, job->channel)) {
+        OUT_PRINT(src, "Success\r\n");
+    } else {
         OUT_PRINT(src, "Fail\r\n");
+    }
+    delay_us(30000);
+    send_end_response(src);
     return 1;
 }
 
@@ -805,6 +847,7 @@ static int execute_direct_read_sequence(CmdSource src, const app_job_t *job)
 
     if (job->channel < 1 || job->channel > 20) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -840,6 +883,7 @@ static int execute_direct_read_sequence(CmdSource src, const app_job_t *job)
     r_write = app_owi_write_basic(0x28u, job->payload, 3);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -847,11 +891,13 @@ static int execute_direct_read_sequence(CmdSource src, const app_job_t *job)
     r_read = app_owi_read_basic(0x28u, read_len);
     if (!r_read.ok || r_read.timeout || r_read.read_len < read_len) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
     /* 3) 읽은 값만 출력 */
     print_owi_read_result(src, &r_read);
+    send_end_response(src);
     return 1;
 }
 
@@ -902,11 +948,13 @@ static int execute_write_coeff_sequence(CmdSource src, const app_job_t *job)
     /* 길이는 정확히 33바이트여야 함 */
     if (job->len != 33u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
     if (job->channel < 1 || job->channel > 20) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -927,6 +975,7 @@ static int execute_write_coeff_sequence(CmdSource src, const app_job_t *job)
     r_write1 = app_owi_write_basic(0x28u, job->payload, (uint8_t)job->len);
     if (!r_write1.ok || r_write1.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -934,11 +983,13 @@ static int execute_write_coeff_sequence(CmdSource src, const app_job_t *job)
     r_read1 = app_owi_read_basic(0x28u, 1);
     if (!r_read1.ok || r_read1.timeout || r_read1.read_len < 1) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
     if (r_read1.data[0] != 0x23u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -946,6 +997,7 @@ static int execute_write_coeff_sequence(CmdSource src, const app_job_t *job)
     r_write2 = app_owi_write_basic(0x28u, nvm_read_cmd, 3);
     if (!r_write2.ok || r_write2.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -953,12 +1005,14 @@ static int execute_write_coeff_sequence(CmdSource src, const app_job_t *job)
     r_read2 = app_owi_read_basic(0x28u, 127);
     if (!r_read2.ok || r_read2.timeout || r_read2.read_len < 127) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
     /* NVM read 응답 첫 바이트는 0x26 이어야 정상 */
     if (r_read2.data[0] != 0x26u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -973,7 +1027,7 @@ static int execute_write_coeff_sequence(CmdSource src, const app_job_t *job)
     } else {
         OUT_PRINT(src, "Fail\r\n");
     }
-
+    send_end_response(src);
     return 1;
 }
 
@@ -1017,11 +1071,13 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     /* 전체 길이는 정확히 121바이트 */
     if (job->len != 121u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
     if (job->channel < 1 || job->channel > 20) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1043,6 +1099,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, job->payload, 119u);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1054,6 +1111,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     }
     if (r_read.data[0] != 0x23u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1061,6 +1119,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, cmd_crc_44, 3);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1068,15 +1127,18 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_read = app_owi_read_basic(0x28u, 3);
     if (!r_read.ok || r_read.timeout || r_read.read_len < 3) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
     if (r_read.data[0] != 0x44u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (memcmp(&r_read.data[1], gui_crc, 2) != 0) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1084,6 +1146,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, cmd_15_3c5b, 3);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1091,10 +1154,12 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_read = app_owi_read_basic(0x28u, 3);
     if (!r_read.ok || r_read.timeout || r_read.read_len < 3) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (!(r_read.data[0] == 0x15u && r_read.data[1] == 0x00u && r_read.data[2] == 0x01u)) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1102,6 +1167,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, cmd_14, 1);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1109,10 +1175,12 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_read = app_owi_read_basic(0x28u, 3);
     if (!r_read.ok || r_read.timeout || r_read.read_len < 3) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (!(r_read.data[0] == 0x14u && r_read.data[1] == 0x00u && r_read.data[2] == 0x01u)) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1120,6 +1188,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
 	r_write = app_owi_write_basic(0x28u, cmd_1a, 1);
 	if (!r_write.ok || r_write.timeout) {
 	    OUT_PRINT(src, "Fail\r\n");
+	    send_end_response(src);
 	    return 1;
 	}
 
@@ -1129,6 +1198,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
 	    r_read = app_owi_read_basic(0x28u, 3);
 	    if (!r_read.ok || r_read.timeout || r_read.read_len < 3) {
 	        OUT_PRINT(src, "Fail\r\n");
+		send_end_response(src);
 	        return 1;
 	    }
 
@@ -1143,6 +1213,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
 
     if (poll_count >= 50u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1150,6 +1221,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, cmd_crc_40, 3);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1157,14 +1229,17 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_read = app_owi_read_basic(0x28u, 3);
     if (!r_read.ok || r_read.timeout || r_read.read_len < 3) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (r_read.data[0] != 0x40u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (memcmp(&r_read.data[1], gui_crc, 2) != 0) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1172,6 +1247,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, cmd_crc_42, 3);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1179,14 +1255,17 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_read = app_owi_read_basic(0x28u, 3);
     if (!r_read.ok || r_read.timeout || r_read.read_len < 3) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (r_read.data[0] != 0x42u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (memcmp(&r_read.data[1], gui_crc, 2) != 0) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     
@@ -1194,6 +1273,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, cmd_15_0000, 3);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1201,10 +1281,12 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_read = app_owi_read_basic(0x28u, 3);
     if (!r_read.ok || r_read.timeout || r_read.read_len < 3) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (!(r_read.data[0] == 0x15u && r_read.data[1] == 0x00u && r_read.data[2] == 0x00u)) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1212,6 +1294,7 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_write = app_owi_write_basic(0x28u, cmd_nvm_read, 3);
     if (!r_write.ok || r_write.timeout) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
@@ -1219,14 +1302,17 @@ static int execute_shadow_write_copy_nvm_sequence(CmdSource src, const app_job_t
     r_read = app_owi_read_basic(0x28u, 127);
     if (!r_read.ok || r_read.timeout || r_read.read_len < 127) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
     if (r_read.data[0] != 0x26u) {
         OUT_PRINT(src, "Fail\r\n");
+	send_end_response(src);
         return 1;
     }
 
     print_owi_read_result(src, &r_read);
+    send_end_response(src);
     return 1;
 }
 
@@ -1296,7 +1382,6 @@ static void forward_line_rs485_and_bridge(const char *line)
 {
     static char txbuf[UART_RX_BUF_SIZE + 4];
     uint32_t total_us;
-    uint32_t idle_us = 0;
     char linebuf[320];
     int line_len = 0;
     int n;
@@ -1333,58 +1418,50 @@ static void forward_line_rs485_and_bridge(const char *line)
     linebuf[0] = '\0';
 
     while (total_us >= 50U) {
-        uint8_t had_byte = 0;
-
-        /* FIFO에서 바이트를 하나씩 꺼내 누적 */
         while (s_rb_tail != s_rb_head) {
             char c = (char)s_rb_fifo[s_rb_tail];
             s_rb_tail++;
             if (s_rb_tail >= RS485_BRIDGE_FIFO_SZ) s_rb_tail = 0;
 
-            had_byte = 1;
-
             /* CR 무시 */
             if (c == '\r') continue;
 
-            /* 버퍼에 누적 */
+            /* line buffer 누적 */
             if (line_len < (int)sizeof(linebuf) - 1) {
                 linebuf[line_len++] = c;
                 linebuf[line_len] = '\0';
             } else {
-                /* overflow 보호: 강제로 한 줄 종료 처리 */
+                /* overflow 보호 */
                 linebuf[line_len] = '\0';
+
                 if (!(linebuf[0] == 'x' || linebuf[0] == 'X')) {
                     PC_PrintLine_CRLF(linebuf);
                     got_any_line = 1;
+
+                    if (strstr(linebuf, "<end>") != 0) {
+                        g_rs485_bridge_active = 0;
+                        return;
                     }
+                }
+
                 line_len = 0;
                 linebuf[0] = '\0';
             }
 
-            /* LF 도착 = 한 줄 완성 */
+            /* LF = 한 줄 완성 */
             if (c == '\n') {
                 if (!(linebuf[0] == 'x' || linebuf[0] == 'X')) {
                     PC_PrintLine_CRLF(linebuf);
                     got_any_line = 1;
-                }
-
-                line_len = 0;
-                linebuf[0] = '\0';
 
-                /* OFF 응답처럼 <end>가 오면 종료 */
-                if (g_rs485_bridge_done) {
+                    if (strstr(linebuf, "<end>") != 0) {
                         g_rs485_bridge_active = 0;
                         return;
                     }
                 }
-        }
 
-        if (had_byte) {
-            idle_us = 0;
-        } else if (got_any_line) {
-            idle_us += 50U;
-            if (idle_us >= BRIDGE_IDLE_DONE_US) {
-                break;
+                line_len = 0;
+                linebuf[0] = '\0';
             }
         }
 
@@ -1392,17 +1469,33 @@ static void forward_line_rs485_and_bridge(const char *line)
         total_us -= 50U;
     }
 
-    /* 남은 partial line이 있으면 마지막으로 출력 */
+    /* timeout 시 partial line도 보여줌 */
     if (line_len > 0) {
         linebuf[line_len] = '\0';
+
         if (!(linebuf[0] == 'x' || linebuf[0] == 'X')) {
             PC_PrintLine_CRLF(linebuf);
             got_any_line = 1;
+
+            if (strstr(linebuf, "<end>") != 0) {
+                g_rs485_bridge_active = 0;
+                return;
+            }
         }
     }
 
     if (!got_any_line) {
         OUT_PRINT(CMD_SRC_PC, "Err:rs485_no_response\r\n");
+    } else {
+        char dbg[128];
+
+        if (line_len > 0) {
+            sprintf(dbg, "Err:rs485_no_end partial=%s\r\n", linebuf);
+        } else {
+            sprintf(dbg, "Err:rs485_no_end partial=<none>\r\n");
+        }
+
+        OUT_PRINT(CMD_SRC_PC, dbg);
     }
 
     g_rs485_bridge_active = 0;
@@ -1637,6 +1730,7 @@ static void process_one_line_now(CmdSource src, const char *input_line)
             for (a = 1; a <= 31; a++) {
                 scan_one_addr_rs485(a);
             }
+	    send_end_response(CMD_SRC_PC);
             return;
         }
 
@@ -1914,7 +2008,7 @@ static void app_job_tick(void)
                 g_app_runtime_job.current_scan_addr++;
                 return;
             }
-
+	    send_end_response(CMD_SRC_PC);
             app_runtime_reset();
             return;
         }

uart.c

@@ -56,6 +56,8 @@ void rs485_recover(void)
 
 /* UART1 송신용 내부 버퍼(스택 포인터 안전) */
 static uint8_t s_uart1_txbuf[1024];
+static uint8_t s_uart0_txbuf[256];
+static volatile uint16_t s_uart0_tx_len = 0;
                                   
 				  
 static void UART1_WaitTxIdle(void)
@@ -91,11 +93,24 @@ void RS485_Send(const uint8_t* data, uint16_t len)
 {
     if (!data || len == 0) return;
 
-    UART0_WaitTxDone_Us(5000U);
+    /* 이전 전송 완료 대기 */
+    UART0_WaitTxDone_Us(20000U);
+
+    /* 내부 버퍼 크기 제한 */
+    if (len >= (uint16_t)sizeof(s_uart0_txbuf)) {
+        len = (uint16_t)(sizeof(s_uart0_txbuf) - 1);
+    }
+
+    /* 호출자 버퍼 -> 내부 안전 버퍼 복사 */
+    memcpy(s_uart0_txbuf, data, len);
+    s_uart0_tx_len = len;
+
     g_uart0_tx_done = 0;
     rs485_set_tx(1);
     delay_us(30U);
-    R_UART0_Send((uint8_t*)data, len);
+
+    /* 내부 버퍼 기준 비동기 송신 */
+    R_UART0_Send((uint8_t*)s_uart0_txbuf, len);
 }
 
 void RS485_SendString(const char* s)