altos: Make sure pa to altitude conversion is done with 32 bits

[fw/altos] / src / core / ao_fec.h

diff --git a/src/core/ao_fec.h b/src/core/ao_fec.h
index f1192b62890218c3b3ac84e2e4b959ec89334d45..eedea8f42aba7dd81d4dab571f5116ae90e4a2af 100644 (file)
--- a/src/core/ao_fec.h
+++ b/src/core/ao_fec.h
@@ -70,8 +70,10 @@ ao_fec_encode(const uint8_t *in, uint8_t len, uint8_t *out);
 
 #define AO_FEC_DECODE_BLOCK    (32)    /* callback must return multiples of this many bits */
 
+#define AO_FEC_DECODE_CRC_OK   0x80    /* stored in out[out_len-1] */
+
 uint8_t
-ao_fec_decode(const uint8_t *in, uint16_t in_len, uint8_t *out, uint8_t out_len, uint16_t (*callback)());
+ao_fec_decode(const uint8_t *in, uint16_t in_len, uint8_t *out, uint8_t out_len, uint16_t (*callback)(void));
 
 /*
  * Interleave data packed in bytes. 'out' must be 'len' bytes long.