X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=device.c;h=f437c18a5fdb88e544fc4cdc1821070f641083c5;hb=8be8746951e5538147370d9871a4c1ed0268db52;hp=e9f6c7bcdd661a644221acbd07e5b43804b56365;hpb=e8d3d6c84378481b5c0b53236e2fb09288e211b1;p=libsigrok.git diff --git a/device.c b/device.c index e9f6c7bc..f437c18a 100644 --- a/device.c +++ b/device.c @@ -19,16 +19,41 @@ #include #include +#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */ #include "libsigrok.h" #include "libsigrok-internal.h" +/* Message logging helpers with driver-specific prefix string. */ +#define DRIVER_LOG_DOMAIN "device: " +#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) +#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) +#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) +#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) +#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) +#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) + +/** + * @file + * + * Device handling in libsigrok. + */ + +/** + * @defgroup grp_devices Devices + * + * Device handling in libsigrok. + * + * @{ + */ + +/** @private */ SR_PRIV struct sr_probe *sr_probe_new(int index, int type, gboolean enabled, const char *name) { struct sr_probe *probe; if (!(probe = g_try_malloc0(sizeof(struct sr_probe)))) { - sr_err("hwdriver: probe malloc failed"); + sr_err("Probe malloc failed."); return NULL; } @@ -151,9 +176,10 @@ SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum, } /** - * Determine whether the specified device has the specified capability. + * Determine whether the specified device instance has the specified + * capability. * - * @param dev Pointer to the device instance to be checked. Must not be NULL. + * @param sdi Pointer to the device instance to be checked. Must not be NULL. * If the device's 'driver' field is NULL (virtual device), this * function will always return FALSE (virtual devices don't have * a hardware capabilities list). @@ -184,13 +210,14 @@ SR_API gboolean sr_dev_has_hwcap(const struct sr_dev_inst *sdi, int hwcap) return FALSE; } +/** @private */ SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status, const char *vendor, const char *model, const char *version) { struct sr_dev_inst *sdi; if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) { - sr_err("hwdriver: %s: sdi malloc failed", __func__); + sr_err("%s: sdi malloc failed", __func__); return NULL; } @@ -207,24 +234,36 @@ SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status, return sdi; } +/** @private */ SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi) { + struct sr_probe *probe; + GSList *l; + + for (l = sdi->probes; l; l = l->next) { + probe = l->data; + g_free(probe->name); + g_free(probe); + } + g_free(sdi->priv); g_free(sdi->vendor); g_free(sdi->model); g_free(sdi->version); g_free(sdi); + } #ifdef HAVE_LIBUSB_1_0 +/** @private */ SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus, uint8_t address, struct libusb_device_handle *hdl) { struct sr_usb_dev_inst *udi; if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) { - sr_err("hwdriver: %s: udi malloc failed", __func__); + sr_err("%s: udi malloc failed", __func__); return NULL; } @@ -235,9 +274,9 @@ SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus, return udi; } +/** @private */ SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb) { - /* Avoid compiler warnings. */ (void)usb; /* Nothing to do for this device instance type. */ @@ -245,24 +284,81 @@ SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb) #endif +/** @private + * @param pathname OS-specific serial port specification. Examples: + * "/dev/ttyUSB0", "/dev/ttyACM1", "/dev/tty.Modem-0", "COM1". + * @param serialcomm A serial communication parameters string, in the form + * of /, for example "9600/8n1" or + * "600/7o2". This is an optional parameter; it may be filled in later. + * @return A pointer to a newly initialized struct sr_serial_dev_inst, + * or NULL on error. + * + * Both parameters are copied to newly allocated strings, and freed + * automatically by sr_serial_dev_inst_free(). + */ SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port, - int fd) + const char *serialcomm) { struct sr_serial_dev_inst *serial; - if (!(serial = g_try_malloc(sizeof(struct sr_serial_dev_inst)))) { - sr_err("hwdriver: %s: serial malloc failed", __func__); + if (!port) { + sr_err("hwdriver: serial port required"); + return NULL; + } + + if (!(serial = g_try_malloc0(sizeof(struct sr_serial_dev_inst)))) { + sr_err("hwdriver: serial malloc failed"); return NULL; } serial->port = g_strdup(port); - serial->fd = fd; + if (serialcomm) + serial->serialcomm = g_strdup(serialcomm); + serial->fd = -1; return serial; } +/** @private */ SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial) { + g_free(serial->port); + g_free(serial->serialcomm); + +} + +SR_API int sr_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, + const void *value) +{ + int ret; + + if (!sdi || !sdi->driver || !sdi->driver->dev_config_set) { + sr_err("Unable to set config option."); + return SR_ERR; + } + + ret = sdi->driver->dev_config_set(sdi, hwcap, value); + + return ret; +} + +SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver) +{ + + if (driver && driver->dev_list) + return driver->dev_list(); + else + return NULL; +} + +SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver) +{ + + if (driver && driver->dev_clear) + return driver->dev_clear(); + else + return SR_OK; } +/** @} */