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mic-985xx: Use sr_dev_inst to store connection handle.

This commit is contained in:
Uwe Hermann 2013-04-23 23:06:02 +02:00
parent 31e5377250
commit 886bd5e056
3 changed files with 23 additions and 17 deletions
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29
hardware/mic-985xx/api.c
View File

@ -54,6 +54,7 @@ static int clear_instances(int idx)
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
GSList *l;
struct sr_dev_driver *di;
@ -67,7 +68,8 @@ static int clear_instances(int idx)
continue;
if (!(devc = sdi->priv))
continue;
sr_serial_dev_inst_free(devc->serial);
serial = sdi->conn;
sr_serial_dev_inst_free(serial);
sr_dev_inst_free(sdi);
}
@ -118,7 +120,8 @@ static GSList *scan(const char *conn, const char *serialcomm, int idx)
goto scan_cleanup;
}
devc->serial = serial;
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
sdi->priv = devc;
sdi->driver = mic_devs[idx].di;
@ -181,11 +184,10 @@ static GSList *hw_dev_list(int idx)
static int hw_dev_open(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
devc = sdi->priv;
if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
serial = sdi->conn;
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return SR_ERR;
sdi->status = SR_ST_ACTIVE;
@ -195,12 +197,11 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
static int hw_dev_close(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
devc = sdi->priv;
if (devc->serial && devc->serial->fd != -1) {
serial_close(devc->serial);
serial = sdi->conn;
if (serial && serial->fd != -1) {
serial_close(serial);
sdi->status = SR_ST_INACTIVE;
}
@ -265,6 +266,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data, int idx)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
devc = sdi->priv;
@ -277,7 +279,8 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
/* Poll every 100ms, or whenever some data comes in. */
sr_source_add(devc->serial->fd, G_IO_IN, 100,
serial = sdi->conn;
sr_source_add(serial->fd, G_IO_IN, 100,
mic_devs[idx].receive_data, (void *)sdi);
return SR_OK;
@ -286,7 +289,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
sdi->conn, DRIVER_LOG_DOMAIN);
}
/* Driver-specific API function wrappers */

9
hardware/mic-985xx/protocol.c
View File

@ -146,13 +146,15 @@ static int handle_packet(const uint8_t *buf, struct sr_dev_inst *sdi, int idx)
static void handle_new_data(struct sr_dev_inst *sdi, int idx)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
int len, i, offset = 0;
devc = sdi->priv;
serial = sdi->conn;
/* Try to get as much data as the buffer can hold. */
len = SERIAL_BUFSIZE - devc->buflen;
len = serial_read(devc->serial, devc->buf + devc->buflen, len);
len = serial_read(serial, devc->buf + devc->buflen, len);
if (len < 1) {
sr_err("Serial port read error: %d.", len);
return;
@ -182,6 +184,7 @@ static int receive_data(int fd, int revents, int idx, void *cb_data)
struct dev_context *devc;
int64_t t;
static gboolean first_time = TRUE;
struct sr_serial_dev_inst *serial;
(void)fd;
@ -191,13 +194,15 @@ static int receive_data(int fd, int revents, int idx, void *cb_data)
if (!(devc = sdi->priv))
return TRUE;
serial = sdi->conn;
if (revents == G_IO_IN) {
/* New data arrived. */
handle_new_data(sdi, idx);
} else {
/* Timeout. */
if (first_time) {
mic_cmd_set_realtime_mode(devc->serial);
mic_cmd_set_realtime_mode(serial);
first_time = FALSE;
}
}

2
hardware/mic-985xx/protocol.h
View File

@ -78,8 +78,6 @@ struct dev_context {
int64_t starttime;
struct sr_serial_dev_inst *serial;
uint8_t buf[SERIAL_BUFSIZE];
int bufoffset;
int buflen;