clear_helper(): Use a cast to shorten all implementations.

[libsigrok.git] / src / hardware / ikalogic-scanaplus / api.c

diff --git a/src/hardware/ikalogic-scanaplus/api.c b/src/hardware/ikalogic-scanaplus/api.c
index 4a9491b896ce2719f3d5f16f33c782958ac48d0a..e9c6af04c22f04c8a1b0436e6fafd5d0d7b058e8 100644 (file)
--- a/src/hardware/ikalogic-scanaplus/api.c
+++ b/src/hardware/ikalogic-scanaplus/api.c
@@ -43,23 +43,16 @@ static const char *channel_names[] = {
 /* Note: The IKALOGIC ScanaPLUS always samples at 100MHz. */
 static const uint64_t samplerates[1] = { SR_MHZ(100) };
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi);
-
-static void clear_helper(void *priv)
+static void clear_helper(struct dev_context *devc)
 {
-       struct dev_context *devc;
-
-       devc = priv;
-
        ftdi_free(devc->ftdic);
        g_free(devc->compressed_buf);
        g_free(devc->sample_buf);
-       g_free(devc);
 }
 
 static int dev_clear(const struct sr_dev_driver *di)
 {
-       return std_dev_clear(di, clear_helper);
+       return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
@@ -145,7 +138,6 @@ static int dev_open(struct sr_dev_inst *sdi)
                       ftdi_get_error_string(devc->ftdic));
                return SR_ERR;
        }
-       sr_dbg("FTDI chip interface A set successfully.");
 
        /* Open the device. */
        ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
@@ -155,7 +147,6 @@ static int dev_open(struct sr_dev_inst *sdi)
                       ftdi_get_error_string(devc->ftdic));
                return SR_ERR;
        }
-       sr_dbg("FTDI device opened successfully.");
 
        /* Purge RX/TX buffers in the FTDI chip. */
        if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
@@ -163,7 +154,6 @@ static int dev_open(struct sr_dev_inst *sdi)
                       ret, ftdi_get_error_string(devc->ftdic));
                goto err_dev_open_close_ftdic;
        }
-       sr_dbg("FTDI chip buffers purged successfully.");
 
        /* Reset the FTDI bitmode. */
        ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
@@ -172,7 +162,6 @@ static int dev_open(struct sr_dev_inst *sdi)
                       ret, ftdi_get_error_string(devc->ftdic));
                goto err_dev_open_close_ftdic;
        }
-       sr_dbg("FTDI chip bitmode reset successfully.");
 
        /* Set FTDI bitmode to "sync FIFO". */
        ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_SYNCFF);
@@ -181,7 +170,6 @@ static int dev_open(struct sr_dev_inst *sdi)
                       ret, ftdi_get_error_string(devc->ftdic));
                goto err_dev_open_close_ftdic;
        }
-       sr_dbg("FTDI chip sync FIFO mode entered successfully.");
 
        /* Set the FTDI latency timer to 2. */
        ret = ftdi_set_latency_timer(devc->ftdic, 2);
@@ -190,7 +178,6 @@ static int dev_open(struct sr_dev_inst *sdi)
                       ret, ftdi_get_error_string(devc->ftdic));
                goto err_dev_open_close_ftdic;
        }
-       sr_dbg("FTDI chip latency timer set successfully.");
 
        /* Set the FTDI read data chunk size to 64kB. */
        ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
@@ -199,7 +186,6 @@ static int dev_open(struct sr_dev_inst *sdi)
                       ret, ftdi_get_error_string(devc->ftdic));
                goto err_dev_open_close_ftdic;
        }
-       sr_dbg("FTDI chip read data chunk size set successfully.");
 
        /* Get the ScanaPLUS device ID from the FTDI EEPROM. */
        if ((ret = scanaplus_get_device_id(devc)) < 0) {
@@ -209,33 +195,21 @@ static int dev_open(struct sr_dev_inst *sdi)
        sr_dbg("Received ScanaPLUS device ID successfully: %02x %02x %02x.",
               devc->devid[0], devc->devid[1], devc->devid[2]);
 
-       sdi->status = SR_ST_ACTIVE;
-
        return SR_OK;
 
 err_dev_open_close_ftdic:
        scanaplus_close(devc);
+
        return SR_ERR;
 }
 
 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 = scanaplus_close(devc);
-       } else {
-               sr_spew("Status not ACTIVE, nothing to do.");
-       }
-
-       sdi->status = SR_ST_INACTIVE;
-
-       return ret;
+       return scanaplus_close(devc);
 }
 
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
@@ -263,9 +237,6 @@ 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) {
@@ -327,9 +298,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        int ret;
        struct dev_context *devc;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        devc = sdi->priv;
 
        if (!devc->ftdic)
@@ -358,7 +326,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
-       sr_dbg("Stopping acquisition.");
        sr_session_source_remove(sdi->session, -1);
        std_session_send_df_end(sdi);