This header is used by waf to contain the generated version macros,
particularly using the git hash. For waf it's better to be in a separate
header since it then can keep track of changes on it a trigger
recompilation.
For the make build system, a dummy ap_version.h file has been added in
the missing/ folder so both implementations can co-exist.
../../libraries/AP_HAL/examples/Printf/Printf.cpp:63:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (ret != strlen(float_tests[i].result)) {
^
...
ardupilot/modules/gtest/include/gtest/gtest.h:1448:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (expected == actual) {
^
And similar ones.
../../libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.cpp: In function ‘void show_timing()’:
../../libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.cpp:61:88: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘uint32_t {aka unsigned int}’ [-Wformat=]
hal.console->printf("timing: mint=%lu maxt=%lu avg=%lu\n", mint, maxt, totalt/count);
^
../../libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.cpp:61:88: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘uint32_t {aka unsigned int}’ [-Wformat=]
../../libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.cpp:61:88: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘uint32_t {aka unsigned int}’ [-Wformat=]
This rangefinder uses an spi device to send pulses and an iio driver
in buffer mode to get data
The data is then analyzed and the maximum pulse received is considered to
represent the echo of the pulses that have been sent. The distance in time
between the pulse that is sent and the pulse with the maximum amplitude
is used to calculate the altitude based on the speed of sound.
There is a dependency with libiio, and in order to build, there is a need
to provide a rootfs that includes libiio.a.
The other solution is to build dynamically after having updated the rootfs
to use on compiled with a more recent toolchain and include libiio
