X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=strutil.c;h=9232ed2f56d96a28b608d9f52fb88cc0374d3c9e;hb=6c39d99a2809c0065b8bd547c426a08f42445e92;hp=cb84e57f9c106cfbdf1b314a85b364c685de138e;hpb=bb7ef79377ae617e1275373e0b631beb7f909d73;p=libsigrok.git diff --git a/strutil.c b/strutil.c index cb84e57f..9232ed2f 100644 --- a/strutil.c +++ b/strutil.c @@ -27,7 +27,8 @@ /** * Convert a numeric samplerate value to its "natural" string representation. * - * E.g. a value of 3000000 would be converted to "3 MHz", 20000 to "20 kHz". + * E.g. a value of 3000000 would be converted to "3 MHz", 20000 to "20 kHz", + * 31500 would become "31.5 kHz". * * @param samplerate The samplerate in Hz. * @@ -38,26 +39,30 @@ SR_API char *sr_samplerate_string(uint64_t samplerate) { char *o; - int r; + uint64_t s = samplerate; - /* Allocate enough for a uint64_t as string + " GHz". */ - if (!(o = g_try_malloc0(30 + 1))) { - sr_err("strutil: %s: o malloc failed", __func__); - return NULL; + if ((s >= SR_GHZ(1)) && (s % SR_GHZ(1) == 0)) { + o = g_strdup_printf("%" PRIu64 " GHz", s / SR_GHZ(1)); + } else if ((s >= SR_GHZ(1)) && (s % SR_GHZ(1) != 0)) { + o = g_strdup_printf("%" PRIu64 ".%" PRIu64 " GHz", + s / SR_GHZ(1), s % SR_GHZ(1)); + } else if ((s >= SR_MHZ(1)) && (s % SR_MHZ(1) == 0)) { + o = g_strdup_printf("%" PRIu64 " MHz", s / SR_MHZ(1)); + } else if ((s >= SR_MHZ(1)) && (s % SR_MHZ(1) != 0)) { + o = g_strdup_printf("%" PRIu64 ".%" PRIu64 " MHz", + s / SR_MHZ(1), s % SR_MHZ(1)); + } else if ((s >= SR_KHZ(1)) && (s % SR_KHZ(1) == 0)) { + o = g_strdup_printf("%" PRIu64 " kHz", s / SR_KHZ(1)); + } else if ((s >= SR_KHZ(1)) && (s % SR_KHZ(1) != 0)) { + o = g_strdup_printf("%" PRIu64 ".%" PRIu64 " kHz", + s / SR_KHZ(1), s % SR_KHZ(1)); + } else { + o = g_strdup_printf("%" PRIu64 " Hz", s); } - if (samplerate >= SR_GHZ(1)) - r = snprintf(o, 30, "%" PRIu64 " GHz", samplerate / 1000000000); - else if (samplerate >= SR_MHZ(1)) - r = snprintf(o, 30, "%" PRIu64 " MHz", samplerate / 1000000); - else if (samplerate >= SR_KHZ(1)) - r = snprintf(o, 30, "%" PRIu64 " kHz", samplerate / 1000); - else - r = snprintf(o, 30, "%" PRIu64 " Hz", samplerate); - - if (r < 0) { - /* Something went wrong... */ - g_free(o); + if (!o) { + sr_err("strutil: %s: Error creating samplerate string.", + __func__); return NULL; } @@ -131,7 +136,7 @@ SR_API char **sr_parse_triggerstring(struct sr_dev *dev, } tokens = g_strsplit(triggerstring, ",", max_probes); - trigger_types = dev->plugin->get_dev_info(0, SR_DI_TRIGGER_TYPES); + trigger_types = dev->plugin->dev_info_get(0, SR_DI_TRIGGER_TYPES); if (trigger_types == NULL) return NULL;