ols: change driver dev_acquisition_start/_stop calls to use sdi

[libsigrok.git] / hardware / openbench-logic-sniffer / ols.c

diff --git a/hardware/openbench-logic-sniffer/ols.c b/hardware/openbench-logic-sniffer/ols.c
index e486d519048ec6e8518dc02ab79de9f5bc7a9a18..ad5e7f29ed86f9220202d471b5e7a0cfb509d97a 100644 (file)
--- a/hardware/openbench-logic-sniffer/ols.c
+++ b/hardware/openbench-logic-sniffer/ols.c
@@ -509,14 +509,10 @@ hw_init_free_ports:
        return devices;
 }
 
-static int hw_dev_open(int dev_index)
+static int hw_dev_open(struct sr_dev_inst *sdi)
 {
-       struct sr_dev_inst *sdi;
        struct context *ctx;
 
-       if (!(sdi = sr_dev_inst_get(odi->instances, dev_index)))
-               return SR_ERR;
-
        ctx = sdi->priv;
 
        ctx->serial->fd = serial_open(ctx->serial->port, O_RDWR);
@@ -528,19 +524,12 @@ static int hw_dev_open(int dev_index)
        return SR_OK;
 }
 
-static int hw_dev_close(int dev_index)
+static int hw_dev_close(struct sr_dev_inst *sdi)
 {
-       struct sr_dev_inst *sdi;
        struct context *ctx;
 
-       if (!(sdi = sr_dev_inst_get(odi->instances, dev_index))) {
-               sr_err("ols: %s: sdi was NULL", __func__);
-               return SR_ERR_BUG;
-       }
-
        ctx = sdi->priv;
 
-       /* TODO */
        if (ctx->serial->fd != -1) {
                serial_close(ctx->serial->fd);
                ctx->serial->fd = -1;
@@ -593,6 +582,9 @@ static int hw_info_get(int info_id, const void **data,
        case SR_DI_INST:
                *data = sdi;
                break;
+       case SR_DI_HWCAPS:
+               *data = hwcaps;
+               break;
        case SR_DI_NUM_PROBES:
                *data = GINT_TO_POINTER(1);
                break;
@@ -629,7 +621,7 @@ static int hw_dev_status_get(int dev_index)
        return sdi->status;
 }
 
-static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate)
+static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate)
 {
        struct context *ctx;
 
@@ -661,15 +653,13 @@ static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate)
        return SR_OK;
 }
 
-static int hw_dev_config_set(int dev_index, int hwcap, const void *value)
+static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
+               const void *value)
 {
-       struct sr_dev_inst *sdi;
        struct context *ctx;
        int ret;
        const uint64_t *tmp_u64;
 
-       if (!(sdi = sr_dev_inst_get(odi->instances, dev_index)))
-               return SR_ERR;
        ctx = sdi->priv;
 
        if (sdi->status != SR_ST_ACTIVE)
@@ -894,12 +884,12 @@ static int receive_data(int fd, int revents, void *cb_data)
        return TRUE;
 }
 
-static int hw_dev_acquisition_start(int dev_index, void *cb_data)
+static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
+               void *cb_data)
 {
        struct sr_datafeed_packet *packet;
        struct sr_datafeed_header *header;
        struct sr_datafeed_meta_logic meta;
-       struct sr_dev_inst *sdi;
        struct context *ctx;
        uint32_t trigger_config[4];
        uint32_t data;
@@ -908,9 +898,6 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data)
        int num_channels;
        int i;
 
-       if (!(sdi = sr_dev_inst_get(odi->instances, dev_index)))
-               return SR_ERR;
-
        ctx = sdi->priv;
 
        if (sdi->status != SR_ST_ACTIVE)
@@ -1054,12 +1041,13 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data)
 }
 
 /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
-static int hw_dev_acquisition_stop(int dev_index, void *cb_data)
+static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
+               void *cb_data)
 {
        struct sr_datafeed_packet packet;
 
        /* Avoid compiler warnings. */
-       (void)dev_index;
+       (void)sdi;
 
        packet.type = SR_DF_END;
        sr_session_send(cb_data, &packet);