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-rw-r--r--src/gprs_coding_scheme.cpp56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/gprs_coding_scheme.cpp b/src/gprs_coding_scheme.cpp
index 04eb3b6..a460103 100644
--- a/src/gprs_coding_scheme.cpp
+++ b/src/gprs_coding_scheme.cpp
@@ -120,3 +120,59 @@ GprsCodingScheme::HeaderType GprsCodingScheme::headerTypeData() const
{
return mcs_info[m_scheme].data_hdr;
}
+
+void GprsCodingScheme::inc(Mode mode)
+{
+ if (!isCompatible(mode))
+ /* This should not happen. TODO: Use assert? */
+ return;
+
+ Scheme new_cs(Scheme(m_scheme + 1));
+ if (!GprsCodingScheme(new_cs).isCompatible(mode))
+ /* Clipping, do not change the value */
+ return;
+
+ m_scheme = new_cs;
+}
+
+void GprsCodingScheme::dec(Mode mode)
+{
+ if (!isCompatible(mode))
+ /* This should not happen. TODO: Use assert? */
+ return;
+
+ Scheme new_cs(Scheme(m_scheme - 1));
+ if (!GprsCodingScheme(new_cs).isCompatible(mode))
+ /* Clipping, do not change the value */
+ return;
+
+ m_scheme = new_cs;
+}
+
+void GprsCodingScheme::inc()
+{
+ if (isGprs() && m_scheme == CS4)
+ return;
+
+ if (isEgprs() && m_scheme == MCS9)
+ return;
+
+ if (!isValid())
+ return;
+
+ m_scheme = Scheme(m_scheme + 1);
+}
+
+void GprsCodingScheme::dec()
+{
+ if (isGprs() && m_scheme == CS1)
+ return;
+
+ if (isEgprs() && m_scheme == MCS1)
+ return;
+
+ if (!isValid())
+ return;
+
+ m_scheme = Scheme(m_scheme - 1);
+}