Allow signed for SNR

b14ckyy · Nov 3, 2024 · b5b9e58 · b5b9e58
1 parent f16f635
commit b5b9e58
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Showing 3 changed files with 7 additions and 1 deletion.
diff --git a/src/main/common/streambuf.c b/src/main/common/streambuf.c
@@ -98,6 +98,11 @@ uint8_t sbufReadU8(sbuf_t *src)
     return *src->ptr++;
 }
 
+int8_t sbufReadI8(sbuf_t *src)
+{
+    return *src->ptr++;
+}
+
 uint16_t sbufReadU16(sbuf_t *src)
 {
     uint16_t ret;

diff --git a/src/main/common/streambuf.h b/src/main/common/streambuf.h
@@ -42,6 +42,7 @@ void sbufWriteU16BigEndian(sbuf_t *dst, uint16_t val);
 void sbufWriteU32BigEndian(sbuf_t *dst, uint32_t val);
 
 uint8_t sbufReadU8(sbuf_t *src);
+int8_t sbufReadI8(sbuf_t *src);
 uint16_t sbufReadU16(sbuf_t *src);
 uint32_t sbufReadU32(sbuf_t *src);
 void sbufReadData(const sbuf_t *dst, void *data, int len);

diff --git a/src/main/fc/fc_msp.c b/src/main/fc/fc_msp.c
@@ -2924,7 +2924,7 @@ static mspResult_e mspFcProcessInCommand(uint16_t cmdMSP, sbuf_t *src)
                 rxLinkStatistics.uplinkRSSI = -sbufReadU16(src);
                 rxLinkStatistics.downlinkLQ = sbufReadU8(src);
                 rxLinkStatistics.uplinkLQ = sbufReadU8(src);
-                rxLinkStatistics.uplinkSNR = sbufReadU8(src);
+                rxLinkStatistics.uplinkSNR = sbufReadI8(src);
             }
         } else
             return MSP_RESULT_ERROR;