diff options
-rw-r--r-- | include/gsmd/gsmd.h | 2 | ||||
-rw-r--r-- | src/gsmd/atcmd.c | 22 | ||||
-rw-r--r-- | src/gsmd/vendor_bcm.c | 3 |
3 files changed, 21 insertions, 6 deletions
diff --git a/include/gsmd/gsmd.h b/include/gsmd/gsmd.h index 3d92619..f1773c3 100644 --- a/include/gsmd/gsmd.h +++ b/include/gsmd/gsmd.h @@ -17,6 +17,7 @@ void *gsmd_tallocs; /* Refer to 3GPP TS 07.07 v 7.8.0, Chapter 4.1 */ #define LGSM_ATCMD_F_EXTENDED 0x01 /* as opposed to basic */ #define LGSM_ATCMD_F_PARAM 0x02 /* as opposed to action */ +#define LGSM_ATCMD_F_LFCR 0x04 /* accept LFCR as a line terminator */ struct gsmd_atcmd { struct llist_head list; @@ -37,6 +38,7 @@ enum llparse_state { LLPARSE_STATE_IDLE_LF, /* LF before response (V1) */ LLPARSE_STATE_RESULT, /* within result payload */ LLPARSE_STATE_RESULT_CR, /* CR after result */ + LLPARSE_STATE_RESULT_LF, /* LF after result */ LLPARSE_STATE_PROMPT, /* within a "> " prompt */ LLPARSE_STATE_PROMPT_SPC, /* a complete "> " prompt */ LLPARSE_STATE_ERROR, /* something went wrong */ diff --git a/src/gsmd/atcmd.c b/src/gsmd/atcmd.c index 514625b..37c8538 100644 --- a/src/gsmd/atcmd.c +++ b/src/gsmd/atcmd.c @@ -76,6 +76,14 @@ static inline int llparse_append(struct llparser *llp, char byte) } } +static inline void llparse_endline(struct llparser *llp) +{ + /* re-set cursor to start of buffer */ + llp->cur = llp->buf; + llp->state = LLPARSE_STATE_IDLE; + memset(llp->buf, 0, LLPARSE_BUF_SIZE); +} + static int llparse_byte(struct llparser *llp, char byte) { int ret = 0; @@ -121,16 +129,18 @@ static int llparse_byte(struct llparser *llp, char byte) case LLPARSE_STATE_RESULT: if (byte == '\r') llp->state = LLPARSE_STATE_RESULT_CR; + else if ((llp->flags & LGSM_ATCMD_F_LFCR) && byte == '\n') + llp->state = LLPARSE_STATE_RESULT_LF; else ret = llparse_append(llp, byte); break; case LLPARSE_STATE_RESULT_CR: - if (byte == '\n') { - /* re-set cursor to start of buffer */ - llp->cur = llp->buf; - llp->state = LLPARSE_STATE_IDLE; - memset(llp->buf, 0, LLPARSE_BUF_SIZE); - } + if (byte == '\n') + llparse_endline(llp); + break; + case LLPARSE_STATE_RESULT_LF: + if (byte == '\r') + llparse_endline(llp); break; case LLPARSE_STATE_PROMPT: if (byte == ' ') diff --git a/src/gsmd/vendor_bcm.c b/src/gsmd/vendor_bcm.c index e8e1584..9bcfa1a 100644 --- a/src/gsmd/vendor_bcm.c +++ b/src/gsmd/vendor_bcm.c @@ -98,6 +98,9 @@ static int bcm_initsettings(struct gsmd *g) int rc; struct gsmd_atcmd *cmd; + /* bcm sometimes sends LFCR instead of CRLF (eg *MTSMENU message) */ + g->llp.flags |= LGSM_ATCMD_F_LFCR; + /* TODO */ return rc; } |