diff options
Diffstat (limited to 'examples/using_double_on_avr/encode_double.c')
-rw-r--r-- | examples/using_double_on_avr/encode_double.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/examples/using_double_on_avr/encode_double.c b/examples/using_double_on_avr/encode_double.c new file mode 100644 index 00000000..cd532d46 --- /dev/null +++ b/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; +} + |