apps/modbus/mb_m.c: missing eMBMasterASCIIStart definition

[acassis]

(This issue was reported by user @klmchp at incubator-nuttx repository)

Error message as shown below when enabled MB_ASCII_MASTER: mb_m.c: In function 'eMBMasterInit': mb_m.c:176:33: error: 'eMBMasterASCIIStart' undeclared (first use in this function); did you mean 'eMBMasterRTUStart'? 176 | pvMBMasterFrameStartCur = eMBMasterASCIIStart; | ^~~~~~~~~~~~~~~~~~~ | eMBMasterRTUStart mb_m.c:176:33: note: each undeclared identifier is reported only once for each function it appears in mb_m.c:177:32: error: 'eMBMasterASCIIStop' undeclared (first use in this function); did you mean 'eMBMasterRTUStop'? 177 | pvMBMasterFrameStopCur = eMBMasterASCIIStop; | ^~~~~~~~~~~~~~~~~~ | eMBMasterRTUStop mb_m.c:178:32: error: 'eMBMasterASCIISend' undeclared (first use in this function); did you mean 'eMBMasterRTUSend'? 178 | peMBMasterFrameSendCur = eMBMasterASCIISend; | ^~~~~~~~~~~~~~~~~~ | eMBMasterRTUSend mb_m.c:179:35: error: 'eMBMasterASCIIReceive' undeclared (first use in this function); did you mean 'eMBMasterRTUReceive'? 179 | peMBMasterFrameReceiveCur = eMBMasterASCIIReceive; | ^~~~~~~~~~~~~~~~~~~~~ | eMBMasterRTUReceive mb_m.c:181:39: error: 'xMBMasterASCIIReceiveFSM' undeclared (first use in this function); did you mean 'xMBMasterRTUReceiveFSM'? 181 | pxMBMasterFrameCBByteReceived = xMBMasterASCIIReceiveFSM; | ^~~~~~~~~~~~~~~~~~~~~~~~ | xMBMasterRTUReceiveFSM mb_m.c:182:43: error: 'xMBMasterASCIITransmitFSM' undeclared (first use in this function); did you mean 'xMBMasterRTUTransmitFSM'? 182 | pxMBMasterFrameCBTransmitterEmpty = xMBMasterASCIITransmitFSM; | ^~~~~~~~~~~~~~~~~~~~~~~~~ | xMBMasterRTUTransmitFSM mb_m.c:183:38: error: 'xMBMasterASCIITimerT1SExpired' undeclared (first use in this function); did you mean 'xMBASCIITimerT1SExpired'? 183 | pxMBMasterPortCBTimerExpired = xMBMasterASCIITimerT1SExpired; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | xMBASCIITimerT1SExpired mb_m.c:185:17: warning: implicit declaration of function 'eMBMasterASCIIInit'; did you mean 'eMBMasterTCPInit'? [-Wimplicit-function-declaration] 185 | eStatus = eMBMasterASCIIInit(ucPort, ulBaudRate, eParity); | ^~~~~~~~~~~~~~~~~~ | eMBMasterTCPInit mb_m.c: In function 'eMBMasterPoll': mb_m.c:301:7: warning: enumeration value 'EV_MASTER_PROCESS_SUCCESS' not handled in switch [-Wswitch] 301 | switch (eEvent) | ^~~~~~ mb_m.c:301:7: warning: enumeration value 'EV_MASTER_ERROR_RESPOND_TIMEOUT' not handled in switch [-Wswitch] mb_m.c:301:7: warning: enumeration value 'EV_MASTER_ERROR_RECEIVE_DATA' not handled in switch [-Wswitch] mb_m.c:301:7: warning: enumeration value 'EV_MASTER_ERROR_EXECUTE_FUNCTION' not handled in switch [-Wswitch]