Added MS/TP debugging to serial port test.

bacnet-stack/ports/bdk-atxx4-mstp/device.c

@@ -49,7 +49,7 @@
    The properties that are constant can be hard coded
    into the read-property encoding. */
 static uint32_t Object_Instance_Number;
-static uint8_t Object_Name[NV_EEPROM_DEVICE_NAME_SIZE];
+static char Object_Name[NV_EEPROM_DEVICE_NAME_SIZE];
 static uint8_t Object_Name_Encoding;
 static uint8_t Object_Name_Length;
 static BACNET_DEVICE_STATUS System_Status = STATUS_OPERATIONAL;
@@ -506,7 +506,7 @@ int Device_Encode_Property_APDU(
             break;
         case 9600:
             apdu_len = encode_application_unsigned(&apdu[0], 
-			    rs485_baud_rate());
+                rs485_baud_rate());
             break;
         default:
             *error_class = ERROR_CLASS_PROPERTY;

bacnet-stack/ports/bdk-atxx4-mstp/dlmstp.c

@@ -1341,3 +1341,49 @@ void dlmstp_get_broadcast_address(
 
     return;
 }
+
+char *dlmstp_receive_state_text(void)
+{
+    switch (Receive_State) {
+        case MSTP_RECEIVE_STATE_IDLE:
+            return "idle";
+        case MSTP_RECEIVE_STATE_PREAMBLE:
+            return "preamble";
+        case MSTP_RECEIVE_STATE_HEADER:
+            return "header";
+        case MSTP_RECEIVE_STATE_DATA:
+            return "data";
+        default:
+            break;
+    }
+    
+    return "unknown";
+}
+
+char *dlmstp_master_state_text(void)
+{
+    switch (Master_State) {
+        case MSTP_MASTER_STATE_INITIALIZE:
+            return "init";
+        case MSTP_MASTER_STATE_IDLE:
+            return "idle";
+        case MSTP_MASTER_STATE_USE_TOKEN:
+            return "use-token";
+        case MSTP_MASTER_STATE_WAIT_FOR_REPLY:
+            return "wait-for-reply";
+        case MSTP_MASTER_STATE_DONE_WITH_TOKEN:
+            return "done-with-token";
+        case MSTP_MASTER_STATE_PASS_TOKEN:
+            return "pass-token";
+        case MSTP_MASTER_STATE_NO_TOKEN:
+            return "no-token";
+        case MSTP_MASTER_STATE_POLL_FOR_MASTER:
+            return "poll-for-master";
+        case MSTP_MASTER_STATE_ANSWER_DATA_REQUEST:
+            return "answer-data-request";
+        default:
+            break;
+    }
+    
+    return "unknown";
+}

bacnet-stack/ports/bdk-atxx4-mstp/main.c

@@ -25,6 +25,7 @@
 
 #include <stdbool.h>
 #include <stdint.h>
+#include <string.h>
 #include "hardware.h"
 #include "init.h"
 #include "stack.h"
@@ -173,10 +174,12 @@ void test_init(
 void test_task(
     void)
 {
-    uint8_t buffer[32] = "BACnet: 0000000\r\n";
+    char buffer[32] = "BACnet: 0000000\r\n";
     uint8_t nbytes = 17;
+    uint8_t *pBuffer = NULL;
     uint8_t data_register = 0;
 
+    pBuffer = &buffer[0];
     if (timer_elapsed_seconds(TIMER_TEST, 1)) {
         timer_reset(TIMER_TEST);
         buffer[8] = (MSTP_MAC_Address & BIT0) ? '1' : '0';
@@ -186,9 +189,11 @@ void test_task(
         buffer[12] = (MSTP_MAC_Address & BIT4) ? '1' : '0';
         buffer[13] = (MSTP_MAC_Address & BIT5) ? '1' : '0';
         buffer[14] = (MSTP_MAC_Address & BIT6) ? '1' : '0';
-        serial_bytes_send(buffer, nbytes);
+        serial_bytes_send(pBuffer, nbytes);
     }
     if (serial_byte_get(&data_register)) {
+        /* echo the character */
+        serial_byte_send(data_register);
         if (data_register == '0') {
             Binary_Output_Level_Set(0, 1, BINARY_INACTIVE);
             Binary_Output_Level_Sync(0);
@@ -207,7 +212,26 @@ void test_task(
             Binary_Output_Level_Set(1, 1, BINARY_NULL);
             Binary_Output_Level_Sync(1);
         }
-        serial_byte_send(data_register);
+        if (data_register == 'm') {
+            sprintf(buffer, "->Master State: ");
+            pBuffer = &buffer[0];
+            nbytes = strlen(pBuffer);
+            serial_bytes_send(pBuffer, nbytes);
+            extern char *dlmstp_master_state_text(void);
+            pBuffer = dlmstp_master_state_text();
+            nbytes = strlen(pBuffer);
+            serial_bytes_send(pBuffer, nbytes);
+        }
+        if (data_register == 'r') {
+            sprintf(buffer, "->Receive State: ");
+            pBuffer = &buffer[0];
+            nbytes = strlen(pBuffer);
+            serial_bytes_send(pBuffer, nbytes);
+            extern char *dlmstp_receive_state_text(void);
+            pBuffer = dlmstp_receive_state_text();
+            nbytes = strlen(pBuffer);
+            serial_bytes_send(pBuffer, nbytes);
+        }
         serial_byte_send('\r');
         serial_byte_send('\n');
         serial_byte_transmit_complete();