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tondaj-sl-814: Use sr_dev_inst to store connection handle.

This commit is contained in:
Uwe Hermann 2013-04-24 19:14:52 +02:00
parent 44f91e2950
commit a5e44c3247
3 changed files with 26 additions and 20 deletions
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34
hardware/tondaj-sl-814/api.c
View File

@ -46,6 +46,7 @@ static int clear_instances(void)
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
GSList *l;
if (!(drvc = di->priv))
@ -56,7 +57,8 @@ static int clear_instances(void)
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);
}
@ -80,6 +82,7 @@ static GSList *hw_scan(GSList *options)
struct sr_probe *probe;
GSList *devices, *l;
const char *conn, *serialcomm;
struct sr_serial_dev_inst *serial;
drvc = di->priv;
drvc->instances = NULL;
@ -120,12 +123,15 @@ static GSList *hw_scan(GSList *options)
return NULL;
}
if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
sdi->priv = devc;
sdi->driver = di;
probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
@ -147,11 +153,10 @@ static GSList *hw_dev_list(void)
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;
@ -161,12 +166,11 @@ 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;
}
@ -227,6 +231,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
@ -238,7 +243,8 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
/* Poll every 500ms, or whenever some data comes in. */
sr_source_add(devc->serial->fd, G_IO_IN, 500,
serial = sdi->conn;
sr_source_add(serial->fd, G_IO_IN, 500,
tondaj_sl_814_receive_data, (void *)sdi);
return SR_OK;
@ -247,7 +253,7 @@ 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);
}
SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {

10
hardware/tondaj-sl-814/protocol.c
View File

@ -112,6 +112,7 @@ int tondaj_sl_814_receive_data(int fd, int revents, void *cb_data)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
uint8_t buf[3];
int ret;
@ -119,6 +120,7 @@ int tondaj_sl_814_receive_data(int fd, int revents, void *cb_data)
(void)revents;
sdi = cb_data;
serial = sdi->conn;
devc = sdi->priv;
/* TODO: Parts of this code need to be improved later. */
@ -131,14 +133,14 @@ int tondaj_sl_814_receive_data(int fd, int revents, void *cb_data)
buf[2] = 0x0d;
sr_spew("Sending init command: %02x %02x %02x.",
buf[0], buf[1], buf[2]);
if ((ret = serial_write(devc->serial, buf, 3)) < 0) {
if ((ret = serial_write(serial, buf, 3)) < 0) {
sr_err("Error sending init command: %d.", ret);
return FALSE;
}
devc->state = GET_INIT_REPLY;
} else if (devc->state == GET_INIT_REPLY) {
/* If we just sent the "init" command, get its reply. */
if ((ret = serial_read(devc->serial, buf, 2)) < 0) {
if ((ret = serial_read(serial, buf, 2)) < 0) {
sr_err("Error reading init reply: %d.", ret);
return FALSE;
}
@ -157,7 +159,7 @@ int tondaj_sl_814_receive_data(int fd, int revents, void *cb_data)
buf[2] = 0x0d;
sr_spew("Sending data request command: %02x %02x %02x.",
buf[0], buf[1], buf[2]);
if ((ret = serial_write(devc->serial, buf, 3)) < 0) {
if ((ret = serial_write(serial, buf, 3)) < 0) {
sr_err("Error sending request command: %d.", ret);
return FALSE;
}
@ -165,7 +167,7 @@ int tondaj_sl_814_receive_data(int fd, int revents, void *cb_data)
devc->state = GET_PACKET;
} else if (devc->state == GET_PACKET) {
/* Read a packet from the device. */
ret = serial_read(devc->serial, devc->buf + devc->buflen,
ret = serial_read(serial, devc->buf + devc->buflen,
4 - devc->buflen);
if (ret < 0) {
sr_err("Error reading packet: %d.", ret);

2
hardware/tondaj-sl-814/protocol.h
View File

@ -48,8 +48,6 @@ struct dev_context {
/** The current number of already received samples. */
uint64_t num_samples;
struct sr_serial_dev_inst *serial;
int state;
uint8_t buf[4];