Pass driver struct pointer to driver callbacks.

[libsigrok.git] / src / hardware / testo / api.c

diff --git a/src/hardware/testo/api.c b/src/hardware/testo/api.c
index 58a5159f28d0d295eac42c6ef97117b200789c05..da6d171a3ac8c52aedb64c549fb7a395c84eb096 100644 (file)
--- a/src/hardware/testo/api.c
+++ b/src/hardware/testo/api.c
@@ -23,7 +23,6 @@
 #define SERIALCOMM "115200/8n1"
 
 SR_PRIV struct sr_dev_driver testo_driver_info;
-static struct sr_dev_driver *di = &testo_driver_info;
 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
 
 static const uint32_t scanopts[] = {
@@ -42,12 +41,12 @@ struct testo_model models[] = {
        { "435", 9, TESTO_x35_REQUEST },
 };
 
-static int init(struct sr_context *sr_ctx)
+static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
 {
        return std_init(sr_ctx, di, LOG_PREFIX);
 }
 
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
        struct drv_context *drvc;
        struct dev_context *devc;
@@ -149,18 +148,19 @@ static GSList *scan(GSList *options)
        return devices;
 }
 
-static GSList *dev_list(void)
+static GSList *dev_list(const struct sr_dev_driver *di)
 {
        return ((struct drv_context *)(di->priv))->instances;
 }
 
-static int dev_clear(void)
+static int dev_clear(const struct sr_dev_driver *di)
 {
        return std_dev_clear(di, NULL);
 }
 
 static int dev_open(struct sr_dev_inst *sdi)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct drv_context *drvc = di->priv;
        struct sr_usb_dev_inst *usb;
        libusb_device **devlist;
@@ -211,6 +211,7 @@ static int dev_open(struct sr_dev_inst *sdi)
 
 static int dev_close(struct sr_dev_inst *sdi)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct sr_usb_dev_inst *usb;
 
        if (!di->priv) {
@@ -231,7 +232,7 @@ static int dev_close(struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-static int cleanup(void)
+static int cleanup(const struct sr_dev_driver *di)
 {
        int ret;
        struct drv_context *drvc;
@@ -239,9 +240,8 @@ static int cleanup(void)
        if (!(drvc = di->priv))
                return SR_OK;
 
-       ret = dev_clear();
+       ret = dev_clear(di);
        g_free(drvc);
-       di->priv = NULL;
 
        return ret;
 }
@@ -272,6 +272,7 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct dev_context *devc;
        gint64 now;
        int ret;
@@ -415,8 +416,9 @@ SR_PRIV void receive_transfer(struct libusb_transfer *transfer)
 
 static int handle_events(int fd, int revents, void *cb_data)
 {
+       struct sr_dev_driver *di;
        struct dev_context *devc;
-       struct drv_context *drvc = di->priv;
+       struct drv_context *drvc;
        struct sr_datafeed_packet packet;
        struct sr_dev_inst *sdi;
        struct timeval tv;
@@ -427,6 +429,8 @@ static int handle_events(int fd, int revents, void *cb_data)
 
        sdi = cb_data;
        devc = sdi->priv;
+       di = sdi->driver;
+       drvc = di->priv;
 
        if (devc->limit_msec) {
                now = g_get_monotonic_time() / 1000;
@@ -452,6 +456,7 @@ static int handle_events(int fd, int revents, void *cb_data)
 
 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct drv_context *drvc;
        struct dev_context *devc;
        struct sr_usb_dev_inst *usb;
@@ -505,6 +510,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 {
+       struct sr_dev_driver *di = sdi->driver;
        (void)cb_data;
 
        if (!di->priv) {