Ok.. same if i try the BMP180 ... i am thinking something is wrong in my compile.. i see warnings.. Does any of this make sense?
I especially wonder if "at 1: warning 119: don't know what to do with file ''. file extension unsupported" may have something to do with it?
Build options changed, rebuilding all
Using library ZUNO_BMP180 in folder: C:\Users\j2\AppData\Roaming\Arduino15\packages\Z-Uno\hardware\zw8051\2.0.6\libraries\ZUNO_BMP180 (legacy)
C:\Users\j2\AppData\Roaming\Arduino15\packages\Z-Uno\tools\zuno_toolchain\00.08.10/zuno_toolchain/compiler build C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp/BMP180Test.cpp -r C:\Users\j2\AppData\Roaming\Arduino15\packages\Z-Uno\hardware\zw8051\2.0.6
************* Building Arduino Sketch *************
C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp/BMP180Test.cpp
***************************************************
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Print.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Print_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Stream.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Stream_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Wire.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Wire_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HardwareSerial.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HardwareSerial_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HLCore.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HLCore_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\ZUNO_BMP180.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\ZUNO_BMP180_sdcpp_.cpp ...
ZUNO_BMP180_sdcpp_.cpp:516:1

control may reach end of non-void function
ZUNO_BMP180_sdcpp_.cpp:519:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:520:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:521:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:522:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:523:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:524:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:526:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:527:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:529:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:531:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:532:16

conversion from string literal to 'char *' is deprecated
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\_BMP180Test.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\_BMP180Test_sdcpp_.cpp ...
BMP180Test.ino:37:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:45:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:47:20

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:50:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:52:20

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:56:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:58:20

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:64:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:66:20

conversion from string literal to 'char *' is deprecated
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Print.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Print_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Stream.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Stream_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Wire.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Wire_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HardwareSerial.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HardwareSerial_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HLCore.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HLCore_sdcpp_.cpp ...
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\ZUNO_BMP180.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\ZUNO_BMP180_sdcpp_.cpp ...
ZUNO_BMP180_sdcpp_.cpp:516:1

control may reach end of non-void function
ZUNO_BMP180_sdcpp_.cpp:519:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:520:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:521:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:522:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:523:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:524:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:526:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:527:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:529:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:531:16

conversion from string literal to 'char *' is deprecated
ZUNO_BMP180_sdcpp_.cpp:532:16

conversion from string literal to 'char *' is deprecated
Preprocessing file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\_BMP180Test.cpp with SDCPP...
Compiling C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\_BMP180Test_sdcpp_.cpp ...
BMP180Test.ino:37:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:45:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:47:20

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:50:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:52:20

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:56:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:58:20

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:64:18

conversion from string literal to 'char *' is deprecated
BMP180Test.ino:66:20

conversion from string literal to 'char *' is deprecatedCompiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\LLCore_arduino.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\LLCore_arduino.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "LLCore_arduino.rel" "LLCore_arduino".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\LLCore_arduino.c:25: warning 85: in function NOPS unreferenced function argument : 'i'
C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\LLCore_arduino.c:208: warning 85: in function delayMicroseconds unreferenced function argument : 'value'
Compiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Print_ucxx.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Print_ucxx.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "Print_ucxx.rel" "Print_ucxx".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Print_ucxx.c:328: warning 85: in function __cxx__Print__method__write0105 unreferenced local variable : 'cxx_sloc'
Compiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Stream_ucxx.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Stream_ucxx.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "Stream_ucxx.rel" "Stream_ucxx".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Stream_ucxx.c:244: warning 85: in function __cxx__Stream__method__read00 unreferenced local variable : 'cxx_sloc'
Compiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Wire_ucxx.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Wire_ucxx.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "Wire_ucxx.rel" "Wire_ucxx".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\Wire_ucxx.c:876: warning 85: in function __cxx__TwoWire__method__endTransmission0105 unreferenced function argument : 'stop'
Compiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HardwareSerial_ucxx.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HardwareSerial_ucxx.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "HardwareSerial_ucxx.rel" "HardwareSerial_ucxx".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
Compiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HLCore_ucxx.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\HLCore_ucxx.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "HLCore_ucxx.rel" "HLCore_ucxx".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
Compiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\ZUNO_BMP180_ucxx.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\ZUNO_BMP180_ucxx.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "ZUNO_BMP180_ucxx.rel" "ZUNO_BMP180_ucxx".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\ZUNO_BMP180_ucxx.c:416: warning 59: function '__cxx__ZUNO_BMP180__method__begin0105' must return value
Compiling file "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\_BMP180Test_ucxx.c" by means of SDCC...
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp\_BMP180Test_ucxx.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "_BMP180Test_ucxx.rel" "_BMP180Test_ucxx".asm
at 1: warning 119: don't know what to do with file ''. file extension unsupported
sdcc: Calling preprocessor...
sdcc: sdcpp.exe -nostdinc -Wall -obj-ext=.rel -D__SDCC_STACK_AUTO -D__SDCC_MODEL_LARGE -D__SDCC_INT_LONG_REENT -D__SDCC_FLOAT_REENT -D__SDCC=3_5_0 -DSDCC=350 -D__SDCC_REVISION=9253 -D__SDCC_mcs51 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__ -D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include\mcs51" -isystem "C:\Users\j2\AppData\Roaming\ARDUIN~1\packages\Z-Uno\tools\ZUNO_T~1\0008~1.10\ZUNO_T~1/sdcc/\bin\..\include" "C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp/main.c"
sdcc: Generating code...
sdcc: Calling assembler...
sdcc: sdas8051.exe -plosgffw "main.rel" "main".asm
sdcc: Calling linker...
sdcc: sdld.exe -nf "main.lk"
at 1: warning 119: don't know what to do with file ''. file extension unsupported
Making firmware file: C:\Users\j2\AppData\Local\Temp\build844417894697283922.tmp/BMP180Test-0206.hex ...packihx: read 643 lines, wrote 1237: OK.
[Done]
Conversion: hex->bin
Elapsed:4.59999990463 s
[OK]
Sketch uses 19,612 bytes (60%) of program storage space. Maximum is 32,256 bytes.
Global variables use 203 bytes of dynamic memory.