X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fopenbench-logic-sniffer%2Fprotocol.c;h=7f274258ddafe8b1245ff887fc663d55394db9db;hb=3be42bc22f8b36599a448273c12a76d3e0f7a940;hp=584164e7ba412e02382b257ebc73a0339f4cebed;hpb=f57d8ffe66612a1fdc20ed09c222f8ea59bd84d4;p=libsigrok.git diff --git a/src/hardware/openbench-logic-sniffer/protocol.c b/src/hardware/openbench-logic-sniffer/protocol.c index 584164e7..7f274258 100644 --- a/src/hardware/openbench-logic-sniffer/protocol.c +++ b/src/hardware/openbench-logic-sniffer/protocol.c @@ -17,11 +17,10 @@ * along with this program. If not, see . */ +#include #include "protocol.h" -#include extern SR_PRIV struct sr_dev_driver ols_driver_info; -static struct sr_dev_driver *di = &ols_driver_info; SR_PRIV int send_shortcommand(struct sr_serial_dev_inst *serial, uint8_t command) @@ -142,7 +141,6 @@ SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial) { struct sr_dev_inst *sdi; struct dev_context *devc; - struct sr_channel *ch; uint32_t tmp_int, ui; uint8_t key, type, token; int delay_ms; @@ -151,7 +149,7 @@ SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial) sdi = g_malloc0(sizeof(struct sr_dev_inst)); sdi->status = SR_ST_INACTIVE; - sdi->driver = di; + sdi->driver = &ols_driver_info; devc = ols_dev_new(); sdi->priv = devc; @@ -215,12 +213,9 @@ SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial) switch (token) { case 0x00: /* Number of usable channels */ - for (ui = 0; ui < tmp_int; ui++) { - if (!(ch = sr_channel_new(ui, SR_CHANNEL_LOGIC, TRUE, - ols_channel_names[ui]))) - return 0; - sdi->channels = g_slist_append(sdi->channels, ch); - } + for (ui = 0; ui < tmp_int; ui++) + sr_channel_new(sdi, ui, SR_CHANNEL_LOGIC, TRUE, + ols_channel_names[ui]); break; case 0x01: /* Amount of sample memory available (bytes) */ @@ -231,7 +226,7 @@ SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial) /* what is this for? */ break; case 0x03: - /* Maximum sample rate (hz) */ + /* Maximum sample rate (Hz) */ devc->max_samplerate = tmp_int; break; case 0x04: @@ -254,12 +249,9 @@ SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial) switch (token) { case 0x00: /* Number of usable channels */ - for (ui = 0; ui < tmp_c; ui++) { - if (!(ch = sr_channel_new(ui, SR_CHANNEL_LOGIC, TRUE, - ols_channel_names[ui]))) - return 0; - sdi->channels = g_slist_append(sdi->channels, ch); - } + for (ui = 0; ui < tmp_c; ui++) + sr_channel_new(sdi, ui, SR_CHANNEL_LOGIC, TRUE, + ols_channel_names[ui]); break; case 0x01: /* protocol version */ @@ -323,15 +315,12 @@ SR_PRIV int ols_set_samplerate(const struct sr_dev_inst *sdi, SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi) { - struct sr_datafeed_packet packet; struct sr_serial_dev_inst *serial; serial = sdi->conn; serial_source_remove(sdi->session, serial); - /* Terminate session */ - packet.type = SR_DF_END; - sr_session_send(sdi, &packet); + std_session_send_df_end(sdi, LOG_PREFIX); } SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data) @@ -352,16 +341,12 @@ SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data) serial = sdi->conn; devc = sdi->priv; + if (devc->num_transfers == 0 && revents == 0) { + /* Ignore timeouts as long as we haven't received anything */ + return TRUE; + } + if (devc->num_transfers++ == 0) { - /* - * First time round, means the device started sending data, - * and will not stop until done. If it stops sending for - * longer than it takes to send a byte, that means it's - * finished. We'll double that to 30ms to be sure... - */ - serial_source_remove(sdi->session, serial); - serial_source_add(sdi->session, serial, G_IO_IN, 30, - ols_receive_data, cb_data); devc->raw_sample_buf = g_try_malloc(devc->limit_samples * 4); if (!devc->raw_sample_buf) { sr_err("Sample buffer malloc failed.");