diff options
| -rw-r--r-- | include/libgsmd/libgsmd.h | 3 | ||||
| -rw-r--r-- | src/gsmd/gsmd.c | 6 | ||||
| -rw-r--r-- | src/libgsmd/libgsmd.c | 39 |
3 files changed, 41 insertions, 7 deletions
diff --git a/include/libgsmd/libgsmd.h b/include/libgsmd/libgsmd.h index 579f13d..7673a68 100644 --- a/include/libgsmd/libgsmd.h +++ b/include/libgsmd/libgsmd.h @@ -34,6 +34,9 @@ extern struct lgsm_handle *lgsm_init(void); /* Terminate usage of libgsmd */ extern int lgsm_exit(struct lgsm_handle *lh); +/* Obtain file descriptor (e.g. for select-loop under app control) */ +extern int lgsm_fd(struct lgsm_handle *lh); + /* Refer to GSM 04.08 [8] subclause 10.5.4.7 */ enum lgsm_addr_type { LGSM_ATYPE_ISDN_UNKN = 161, diff --git a/src/gsmd/gsmd.c b/src/gsmd/gsmd.c index ea44a73..b77e54e 100644 --- a/src/gsmd/gsmd.c +++ b/src/gsmd/gsmd.c @@ -34,6 +34,12 @@ static int gsmd_test(struct gsmd *gsmd) return atcmd_submit(gsmd, cmd); } +static int gsmd_initsettings(struct gsmd *gsmd) +{ + struct gsmd_atcmd *cmd; + //cmd = atcmd_fill("ATV1;+CRC=1;+CREG=2;+CLIP=1;+COLP=1", 255, &f +} + struct bdrt { int bps; u_int32_t b; diff --git a/src/libgsmd/libgsmd.c b/src/libgsmd/libgsmd.c index e514617..7eb2701 100644 --- a/src/libgsmd/libgsmd.c +++ b/src/libgsmd/libgsmd.c @@ -3,6 +3,7 @@ #include <stdlib.h> #include <stdio.h> #include <string.h> +#include <errno.h> #include <sys/types.h> #include <sys/socket.h> @@ -12,6 +13,29 @@ #include "lgsm_internals.h" +static int lgsm_get_packet(struct lgsm_handle *lh) +{ + static char buf[GSMD_MSGSIZE_MAX]; + struct gsmd_msg_hdr *hdr = (struct gsmd_msg_hdr *) buf; + int rc = read(lh->fd, buf, sizeof(buf)); + if (rc <= 0) + return rc; + + if (hdr->version != GSMD_PROTO_VERSION) + return -EINVAL; + + switch (hdr->msg_type) { + case GSMD_MSG_PASSTHROUGH: + + break; + default: + return -EINVAL; + } + + return 0; +} + + static int lgsm_open_backend(struct lgsm_handle *lh, const char *device) { int rc; @@ -33,16 +57,17 @@ static int lgsm_open_backend(struct lgsm_handle *lh, const char *device) lh->fd = -1; return rc; } - } else { - /* use direct access to device node ([virtual] tty device) */ - lh->fd = open(device, O_RDWR); - if (lh->fd < 0) - return lh->fd; - } - + } else + return -EINVAL; + return 0; } +int lgsm_fd(struct lgsm_handle *lh) +{ + return lh->fd; +} + struct lgsm_handle *lgsm_init(const char *device) { struct lgsm_handle *lh = malloc(sizeof(*lh)); |