bmp: Initialize JTAG mode

Author: UweBonnes

src/bmp.cpp

@@ -121,15 +121,24 @@ Bmp::Bmp(std::string dev,
     int c = snprintf(construct, REMOTE_MAX_MSG_SIZE, "%s", REMOTE_START_STR);
     platform_buffer_write(construct, c);
     c = platform_buffer_read(construct, REMOTE_MAX_MSG_SIZE);
-
     if ((!c) || (construct[0] == REMOTE_RESP_ERR)) {
         DEBUG_WARN("Remote Start failed, error %s\n",
                    c ? (char *)&(construct[1]) : "unknown");
          throw std::runtime_error("remote_init failed");
     }
     DEBUG_PROBE("Remote is %s\n", &construct[1]);
 
-    /* Get Version to init*/
+    /* Init JTAG */
+    c = snprintf((char *)construct, REMOTE_MAX_MSG_SIZE, "%s",
+                 REMOTE_JTAG_INIT_STR);
+    platform_buffer_write(construct, c);
+    c = platform_buffer_read(construct, REMOTE_MAX_MSG_SIZE);
+    if ((!c) || (construct[0] == REMOTE_RESP_ERR)) {
+        DEBUG_WARN("jtagtap_init failed, error %s\n",
+                   c ? (char *)&(construct[1]) : "unknown");
+         throw std::runtime_error("jtag_init failed");
+    }
+    /* Get Version*/
     int s = snprintf((char *)construct, REMOTE_MAX_MSG_SIZE, "%s",
                      REMOTE_HL_CHECK_STR);
     platform_buffer_write(construct, s);

src/bmp_remote.h

@@ -138,7 +138,7 @@
 /* JTAG protocol elements */
 #define REMOTE_JTAG_PACKET 'J'
 
-#define REMOTE_JTAG_INIT_STR (char []){ '+',REMOTE_EOM, REMOTE_SOM, REMOTE_JTAG_PACKET, REMOTE_INIT, REMOTE_EOM, 0 }
+#define REMOTE_JTAG_INIT_STR (const char []){ '+',REMOTE_EOM, REMOTE_SOM, REMOTE_JTAG_PACKET, REMOTE_INIT, REMOTE_EOM, 0 }
 
 #define REMOTE_JTAG_RESET_STR (char []){ '+',REMOTE_EOM, REMOTE_SOM, REMOTE_JTAG_PACKET, REMOTE_RESET, REMOTE_EOM, 0 }