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author | 2017-05-02 17:51:53 +0200 | |
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committer | 2017-05-02 17:51:53 +0200 | |
commit | 3102ec9ce009d0f28355c5b7df9c5bd5013e6e75 (patch) | |
tree | 80a1ea19ff06cc9308b236a0d8d6358d21dd0381 /CAN-binder/libs/nanopb/examples/using_double_on_avr/encode_double.c | |
parent | 12e680a3c97a2750c657a8c561a79706f3689149 (diff) | |
parent | 278ffb890e3d8722e4c7d824baaf221a1e375fc4 (diff) |
Add 'CAN-binder/libs/nanopb/' from commit '278ffb890e3d8722e4c7d824baaf221a1e375fc4'
git-subtree-dir: CAN-binder/libs/nanopb
git-subtree-mainline: 12e680a3c97a2750c657a8c561a79706f3689149
git-subtree-split: 278ffb890e3d8722e4c7d824baaf221a1e375fc4
Diffstat (limited to 'CAN-binder/libs/nanopb/examples/using_double_on_avr/encode_double.c')
-rw-r--r-- | CAN-binder/libs/nanopb/examples/using_double_on_avr/encode_double.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/CAN-binder/libs/nanopb/examples/using_double_on_avr/encode_double.c b/CAN-binder/libs/nanopb/examples/using_double_on_avr/encode_double.c new file mode 100644 index 00000000..cd532d46 --- /dev/null +++ b/CAN-binder/libs/nanopb/examples/using_double_on_avr/encode_double.c @@ -0,0 +1,25 @@ +/* Encodes a float value into a double on the wire. + * Used to emit doubles from AVR code, which doesn't support double directly. + */ + +#include <stdio.h> +#include <pb_encode.h> +#include "double_conversion.h" +#include "doubleproto.pb.h" + +int main() +{ + AVRDoubleMessage message = { + float_to_double(1234.5678f), + float_to_double(0.00001f) + }; + + uint8_t buffer[32]; + pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer)); + + pb_encode(&stream, AVRDoubleMessage_fields, &message); + fwrite(buffer, 1, stream.bytes_written, stdout); + + return 0; +} + |