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author | Romain Forlot <romain.forlot@iot.bzh> | 2017-06-20 10:24:05 +0000 |
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committer | Romain Forlot <romain.forlot@iot.bzh> | 2017-06-20 10:24:05 +0000 |
commit | 32e25cbca210a359b09768537b6f443fe90a3070 (patch) | |
tree | 3309794c15d8a8f8e9c1c08cad072ee1378813ba /libs/nanopb/examples/using_double_on_avr/encode_double.c | |
parent | 76c43dec62b2e21cd6446360c00d4fe6b437533f (diff) |
Separation Generator to a dedicated repo
Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'libs/nanopb/examples/using_double_on_avr/encode_double.c')
-rw-r--r-- | libs/nanopb/examples/using_double_on_avr/encode_double.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libs/nanopb/examples/using_double_on_avr/encode_double.c b/libs/nanopb/examples/using_double_on_avr/encode_double.c new file mode 100644 index 00000000..cd532d46 --- /dev/null +++ b/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; +} + |