[PATCH 3/4] Support text mode sms sending and receiving

--- gatchat/gatsyntax.c | 14 +++++++++++++- 1 files changed, 13 insertions(+), 1 deletions(-) diff --git a/gatchat/gatsyntax.c b/gatchat/gatsyntax.c index 040a9a5..8fa8db4 100644 --- a/gatchat/gatsyntax.c +++ b/gatchat/gatsyntax.c @@ -276,8 +276,20 @@ static GAtSyntaxResult gsm_permissive_feed(GAtSyntax *syntax, break; case GSM_PERMISSIVE_STATE_GUESS_PDU: - if (byte != '\r' && byte != '\n') + + /** + * Modify for SMS text mode, check except message length + * If >= 0, skip expect_msg_len bytes + * If == -1, keep original design + * TODO current GSMV1 syntax can't support + */ + if (syntax->expect_msg_len == -1) { + if (byte != '\r' && byte != '\n') + syntax->state = GSM_PERMISSIVE_STATE_PDU; + } else { + i += syntax->expect_msg_len; syntax->state = GSM_PERMISSIVE_STATE_PDU; + } break; case GSM_PERMISSIVE_STATE_PDU: -- 1.6.3.3