Renamed error message PV (kept old name as alias for backwards compatibility)

README.md

@@ -117,7 +117,7 @@ does not matter):
 file "$(SINQDBPATH)"
 {
 pattern
-{ AXIS,      M, DESC,                              EGU, DIR, MRES,  MSGTEXTSIZE, ENABLEMOVWATCHDOG, LIMITSOFFSET, CANSETSPEED, ADAPTPOLL }
+{ AXIS,      M, DESC,                              EGU, DIR, MRES,  ERRORMSGSIZE, ENABLEMOVWATCHDOG, LIMITSOFFSET, CANSETSPEED, ADAPTPOLL }
 { 1,    "lin1", "Linear motor doing whatever",      mm, Pos, 0.001,         200,                 1,          1.0,           1,         1 }
 { 2,    "rot1", "First rotary motor",           degree, Neg, 0.001,         200,                 0,          1.0,           0,         1 }
 { 3,    "rot2", "Second rotary motor",          degree, Pos, 0.001,         200,                 0,          0.0,           1,         0 }
@@ -146,7 +146,7 @@ The default values for those parameters are given for the individual records in
 `db/sinqMotor.db`
 - `DESC`: Description of the motor. This field is just for documentation and is
 not needed for operating a motor. Defaults to the motor name.
-- `MSGTEXTSIZE`: Buffer size for the motor message record in characters.
+- `ERRORMSGSIZE`: Buffer size for the motor message record in characters.
 Defaults to 200 characters
 - `ENABLEMOVWATCHDOG`: Sets `setWatchdogEnabled` during IOC startup to the given
 value. Defaults to 0.

db/sinqMotor.db

@@ -107,14 +107,15 @@ record(ao,"$(INSTR)$(M):RecResolution") {
 }
 
 # This record contains messages from the driver (usually error messages).
-# The macro MSGTEXTSIZE can be used to set the maximum length of the message.
+# The macro ERRORMSGSIZE can be used to set the maximum length of the message.
 # if not provided, a default value of 200 is used.
 # This record is coupled to the parameter library via motorMessageText -> MOTOR_MESSAGE_TEXT.
-record(waveform, "$(INSTR)$(M)-MsgTxt") {
+record(waveform, "$(INSTR)$(M):ErrorMessage") {
+    alias("$(INSTR)$(M)-MsgTxt") # Old PV name, aliased for backwards compatibility
     field(DTYP, "asynOctetRead")
     field(INP, "@asyn($(CONTROLLER),$(AXIS),1) MOTOR_MESSAGE_TEXT")
     field(FTVL, "CHAR")
-    field(NELM, "$(MSGTEXTSIZE=200)") # Should be the same as MAXBUF in the driver code
+    field(NELM, "$(ERRORMSGSIZE=200)") # Should be the same as MAXBUF in the driver code
     field(SCAN, "I/O Intr")
 }