X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=device.c;h=0a78a802e3c7f14f9cf90dda983c358504ac64ac;hb=c8733a2bbb876496e3c6eb9e95084d9d5fb7e834;hp=f609001dd61dc43fdda2f0b3d33cf6e458cbc861;hpb=a885ce3ee9ed770594d5b231f6dec0b740bba03b;p=libsigrok.git diff --git a/device.c b/device.c index f609001d..0a78a802 100644 --- a/device.c +++ b/device.c @@ -1,7 +1,7 @@ /* * This file is part of the sigrok project. * - * Copyright (C) 2010-2012 Bert Vermeulen + * Copyright (C) 2013 Bert Vermeulen * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -183,31 +183,37 @@ SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum, * 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). - * @param hwcap The capability that should be checked (whether it's supported - * by the specified device). + * @param key The option that should be checked for support on the + * specified device. * - * @return TRUE if the device has the specified capability, FALSE otherwise. - * FALSE is also returned upon invalid input parameters or other + * @return TRUE if the device has the specified option, FALSE otherwise. + * FALSE is also returned on invalid input parameters or other * error conditions. */ -SR_API gboolean sr_dev_has_hwcap(const struct sr_dev_inst *sdi, int hwcap) +SR_API gboolean sr_dev_has_option(const struct sr_dev_inst *sdi, int key) { - const int *hwcaps; - int i; + GVariant *gvar; + const int *devopts; + gsize num_opts, i; + int ret; - if (!sdi || !sdi->driver) + if (!sdi || !sdi->driver || !sdi->driver->config_list) return FALSE; - if (sdi->driver->info_get(SR_DI_HWCAPS, - (const void **)&hwcaps, NULL) != SR_OK) + if (sdi->driver->config_list(SR_CONF_DEVICE_OPTIONS, &gvar, NULL) != SR_OK) return FALSE; - for (i = 0; hwcaps[i]; i++) { - if (hwcaps[i] == hwcap) - return TRUE; + ret = FALSE; + devopts = g_variant_get_fixed_array(gvar, &num_opts, sizeof(int32_t)); + for (i = 0; i < num_opts; i++) { + if (devopts[i] == key) { + ret = TRUE; + break; + } } + g_variant_unref(gvar); - return FALSE; + return ret; } /** @private */ @@ -217,7 +223,7 @@ SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status, struct sr_dev_inst *sdi; if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) { - sr_err("%s: sdi malloc failed", __func__); + sr_err("Device instance malloc failed."); return NULL; } @@ -263,7 +269,7 @@ SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus, struct sr_usb_dev_inst *udi; if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) { - sr_err("%s: udi malloc failed", __func__); + sr_err("USB device instance malloc failed."); return NULL; } @@ -284,19 +290,37 @@ SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb) #endif -/** @private */ +/** @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("%s: serial malloc failed", __func__); + if (!port) { + sr_err("Serial port required."); + return NULL; + } + + if (!(serial = g_try_malloc0(sizeof(struct sr_serial_dev_inst)))) { + sr_err("Serial device instance malloc failed."); return NULL; } serial->port = g_strdup(port); - serial->fd = fd; + if (serialcomm) + serial->serialcomm = g_strdup(serialcomm); + serial->fd = -1; return serial; } @@ -305,26 +329,12 @@ SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port, SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial) { g_free(serial->port); -} - -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; + g_free(serial->serialcomm); + g_free(serial); } SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver) { - if (driver && driver->dev_list) return driver->dev_list(); else @@ -333,7 +343,6 @@ SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver) SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver) { - if (driver && driver->dev_clear) return driver->dev_clear(); else