]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/pipistrello-ols/api.c
drivers: Provide proper drvopts.
[libsigrok.git] / src / hardware / pipistrello-ols / api.c
index e877234a21357470aefc45900223c7a090d7c57f..f16b659e1aabad0bdc66e605e9e22a249874f3c1 100644 (file)
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include "protocol.h"
 
-static const uint32_t devopts[] = {
+static const uint32_t drvopts[] = {
        SR_CONF_LOGIC_ANALYZER,
+};
+
+static const uint32_t devopts[] = {
        SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
        SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
        SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
@@ -61,11 +65,10 @@ static const char *patterns[] = {
 };
 
 /* Channels are numbered 0-31 (on the PCB silkscreen). */
-SR_PRIV const char *p_ols_channel_names[NUM_CHANNELS + 1] = {
+SR_PRIV const char *p_ols_channel_names[] = {
        "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
        "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
        "24", "25", "26", "27", "28", "29", "30", "31",
-       NULL,
 };
 
 /* Default supported samplerates, can be overridden by device metadata. */
@@ -75,17 +78,9 @@ static const uint64_t samplerates[] = {
        SR_HZ(1),
 };
 
-SR_PRIV struct sr_dev_driver p_ols_driver_info;
-
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
-       return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
        struct sr_dev_inst *sdi;
-       struct drv_context *drvc;
        struct dev_context *devc;
        GSList *devices;
        int ret, i;
@@ -94,8 +89,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
        (void)options;
 
-       drvc = di->priv;
-
        devices = NULL;
 
        /* Allocate memory for our private device context. */
@@ -111,10 +104,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        devc->flag_reg = 0;
 
        /* Allocate memory for the incoming ftdi data. */
-       if (!(devc->ftdi_buf = g_try_malloc0(FTDI_BUF_SIZE))) {
-               sr_err("ftdi_buf malloc failed.");
-               goto err_free_devc;
-       }
+       devc->ftdi_buf = g_malloc0(FTDI_BUF_SIZE);
 
        /* Allocate memory for the FTDI context (ftdic) and initialize it. */
        if (!(devc->ftdic = ftdi_new())) {
@@ -126,7 +116,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        if (p_ols_open(devc) != SR_OK) {
                goto err_free_ftdic;
        }
-       
+
        /* The discovery procedure is like this: first send the Reset
         * command (0x00) 5 times, since the device could be anywhere
         * in a 5-byte command. Then send the ID command (0x02).
@@ -187,10 +177,9 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                sr_dbg("Failed to set default samplerate (%"PRIu64").",
                                DEFAULT_SAMPLERATE);
 
-       drvc->instances = g_slist_append(drvc->instances, sdi);
        devices = g_slist_append(devices, sdi);
 
-       return devices;
+       return std_scan_complete(di, devices);
 
 err_close_ftdic:
        p_ols_close(devc);
@@ -198,35 +187,20 @@ err_free_ftdic:
        ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
 err_free_ftdi_buf:
        g_free(devc->ftdi_buf);
-err_free_devc:
        g_free(devc);
 
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
+static void clear_helper(struct dev_context *devc)
 {
-       return ((struct drv_context *)(di->priv))->instances;
-}
-
-static void clear_helper(void *priv)
-{
-       struct dev_context *devc;
-
-       devc = priv;
-
        ftdi_free(devc->ftdic);
        g_free(devc->ftdi_buf);
 }
 
 static int dev_clear(const struct sr_dev_driver *di)
 {
-       return std_dev_clear(di, clear_helper);
-}
-
-static int cleanup(const struct sr_dev_driver *di)
-{
-       return dev_clear(di);
+       return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
@@ -282,9 +256,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 
        (void)cg;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        devc = sdi->priv;
 
        switch (key) {
@@ -303,10 +274,9 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                break;
        case SR_CONF_CAPTURE_RATIO:
                devc->capture_ratio = g_variant_get_uint64(data);
-               if (devc->capture_ratio < 0 || devc->capture_ratio > 100) {
-                       devc->capture_ratio = 0;
+               if (devc->capture_ratio < 0 || devc->capture_ratio > 100)
                        ret = SR_ERR;
-               else
+               else
                        ret = SR_OK;
                break;
        case SR_CONF_EXTERNAL_CLOCK:
@@ -376,13 +346,9 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
        GVariantBuilder gvb;
        int num_pols_changrp, i;
 
-       (void)cg;
-
        switch (key) {
        case SR_CONF_DEVICE_OPTIONS:
-               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
-               break;
+               return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
        case SR_CONF_SAMPLERATE:
                g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
                gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
@@ -440,32 +406,16 @@ static int dev_open(struct sr_dev_inst *sdi)
 
        devc = sdi->priv;
 
-       if (p_ols_open(devc) != SR_OK) {
-               return SR_ERR;
-       } else {
-         sdi->status = SR_ST_ACTIVE;
-               return SR_OK;
-       }
+       return p_ols_open(devc);
 }
 
 static int dev_close(struct sr_dev_inst *sdi)
 {
-       int ret;
        struct dev_context *devc;
 
-       ret = SR_OK;
        devc = sdi->priv;
 
-       if (sdi->status == SR_ST_ACTIVE) {
-               sr_dbg("Status ACTIVE, closing device.");
-               ret = p_ols_close(devc);
-       } else {
-               sr_spew("Status not ACTIVE, nothing to do.");
-       }
-
-       sdi->status = SR_ST_INACTIVE;
-
-       return ret;
+       return p_ols_close(devc);
 }
 
 static int set_trigger(const struct sr_dev_inst *sdi, int stage)
@@ -540,8 +490,7 @@ static int disable_trigger(const struct sr_dev_inst *sdi, int stage)
        return SR_OK;
 }
 
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
-               void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        uint32_t samplecount, readcount, delaycount;
@@ -550,9 +499,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
        int num_pols_changrp, samplespercount;
        int ret, i;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        devc = sdi->priv;
 
        pols_channel_mask(sdi);
@@ -581,7 +527,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
         * buffer.
         */
        sr_dbg("max_samples = %d", devc->max_samples);
-       sr_dbg("limit_samples = %d", devc->limit_samples);
+       sr_dbg("limit_samples = %" PRIu64, devc->limit_samples);
        samplecount = MIN(devc->max_samples, devc->limit_samples);
        sr_dbg("Samplecount = %d", samplecount);
 
@@ -669,8 +615,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
        sr_dbg("flag_reg = %x", devc->flag_reg);
 
        /*
-       * In demux mode the OLS is processing two 8-bit or 16-bit samples 
-       * in parallel and for this to work the lower two bits of the four 
+       * In demux mode the OLS is processing two 8-bit or 16-bit samples
+       * in parallel and for this to work the lower two bits of the four
        * "channel_disable" bits must be replicated to the upper two bits.
        */
        flag_tmp = devc->flag_reg;
@@ -694,36 +640,30 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
        devc->cnt_bytes = devc->cnt_samples = devc->cnt_samples_rle = 0;
        memset(devc->sample, 0, 4);
 
-       /* Send header packet to the session bus. */
-       std_session_send_df_header(cb_data, LOG_PREFIX);
+       std_session_send_df_header(sdi);
 
        /* Hook up a dummy handler to receive data from the device. */
-       sr_session_source_add(sdi->session, 0, G_IO_IN, 10, p_ols_receive_data,
-                       cb_data);
+       sr_session_source_add(sdi->session, -1, 0, 10, p_ols_receive_data,
+                               (struct sr_dev_inst *)sdi);
 
        return SR_OK;
 }
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
-       struct sr_datafeed_packet packet;
 
        devc = sdi->priv;
 
-       sr_dbg("Stopping acquisition.");
        write_shortcommand(devc, CMD_RESET);
        write_shortcommand(devc, CMD_RESET);
        write_shortcommand(devc, CMD_RESET);
        write_shortcommand(devc, CMD_RESET);
        write_shortcommand(devc, CMD_RESET);
 
-       sr_session_source_remove(sdi->session, 0);
+       sr_session_source_remove(sdi->session, -1);
 
-       /* Send end packet to the session bus. */
-       sr_dbg("Sending SR_DF_END.");
-       packet.type = SR_DF_END;
-       sr_session_send(cb_data, &packet);
+       std_session_send_df_end(sdi);
 
        return SR_OK;
 }
@@ -732,10 +672,10 @@ SR_PRIV struct sr_dev_driver p_ols_driver_info = {
        .name = "p-ols",
        .longname = "Pipistrello OLS",
        .api_version = 1,
-       .init = init,
-       .cleanup = cleanup,
+       .init = std_init,
+       .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
@@ -744,5 +684,6 @@ SR_PRIV struct sr_dev_driver p_ols_driver_info = {
        .dev_close = dev_close,
        .dev_acquisition_start = dev_acquisition_start,
        .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(p_ols_driver_info);