From: Uwe Hermann Date: Sun, 30 Oct 2011 00:10:32 +0000 (+0200) Subject: ols: Minor whitespace and coding style fixes. X-Git-Tag: libsigrok-0.1.0~236 X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=baf1d71477ea5c1dea449bc9ce72b39d02751934 ols: Minor whitespace and coding style fixes. --- diff --git a/hardware/openbench-logic-sniffer/ols.c b/hardware/openbench-logic-sniffer/ols.c index 88e585f0..7308d8b2 100644 --- a/hardware/openbench-logic-sniffer/ols.c +++ b/hardware/openbench-logic-sniffer/ols.c @@ -593,9 +593,8 @@ static int hw_set_configuration(int device_index, int capability, void *value) tmp_u64 = value; if (*tmp_u64 < MIN_NUM_SAMPLES) return SR_ERR; - if (*tmp_u64 > ols->max_samples) + if (*tmp_u64 > ols->max_samples) sr_warn("ols: sample limit exceeds hw max"); - ols->limit_samples = *tmp_u64; sr_info("ols: sample limit %" PRIu64, ols->limit_samples); ret = SR_OK; @@ -610,7 +609,7 @@ static int hw_set_configuration(int device_index, int capability, void *value) ret = SR_OK; break; case SR_HWCAP_RLE: - if(strcmp(value, "on") == 0) { + if (!strcmp(value, "on")) { sr_info("ols: enabling RLE"); ols->flag_reg |= FLAG_RLE; } @@ -675,35 +674,36 @@ static int receive_data(int fd, int revents, void *session_data) if (serial_read(fd, &byte, 1) != 1) return FALSE; - /* Ignore it if we've read enough */ - if(ols->num_samples >= ols->limit_samples) - return TRUE; + /* Ignore it if we've read enough. */ + if (ols->num_samples >= ols->limit_samples) + return TRUE; ols->sample[ols->num_bytes++] = byte; sr_dbg("ols: received byte 0x%.2x", byte); if (ols->num_bytes == num_channels) { /* Got a full sample. */ sr_dbg("ols: received sample 0x%.*x", - ols->num_bytes * 2, *(int*)ols->sample); + ols->num_bytes * 2, *(int *)ols->sample); if (ols->flag_reg & FLAG_RLE) { /* * In RLE mode -1 should never come in as a * sample, because bit 31 is the "count" flag. */ if (ols->sample[ols->num_bytes - 1] & 0x80) { - ols->sample[ols->num_bytes - 1] &= 0x7F; - /* FIXME: This will only work on - * little-endian systems + ols->sample[ols->num_bytes - 1] &= 0x7f; + /* + * FIXME: This will only work on + * little-endian systems. */ - ols->rle_count = *(int*)(ols->sample); + ols->rle_count = *(int *)(ols->sample); sr_dbg("ols: RLE count = %d", ols->rle_count); ols->num_bytes = 0; return TRUE; - } + } } ols->num_samples += ols->rle_count + 1; - if(ols->num_samples > ols->limit_samples) { - /* Save us from overrunning the buffer */ + if (ols->num_samples > ols->limit_samples) { + /* Save us from overrunning the buffer. */ ols->rle_count -= ols->num_samples - ols->limit_samples; ols->num_samples = ols->limit_samples; } @@ -731,7 +731,7 @@ static int receive_data(int fd, int revents, void *session_data) } } memcpy(ols->sample, ols->tmp_sample, 4); - sr_dbg("ols: full sample 0x%.8x", *(int*)ols->sample); + sr_dbg("ols: full sample 0x%.8x", *(int *)ols->sample); } /* the OLS sends its sample buffer backwards. @@ -739,9 +739,10 @@ static int receive_data(int fd, int revents, void *session_data) * this on the session bus later. */ offset = (ols->limit_samples - ols->num_samples) * 4; - for(i = 0; i <= ols->rle_count; i++) - memcpy(ols->raw_sample_buf + offset + (i*4), ols->sample, 4); - + for (i = 0; i <= ols->rle_count; i++) { + memcpy(ols->raw_sample_buf + offset + (i * 4), + ols->sample, 4); + } memset(ols->sample, 0, 4); ols->num_bytes = 0; ols->rle_count = 0; @@ -764,7 +765,7 @@ static int receive_data(int fd, int revents, void *session_data) packet.payload = &logic; logic.length = ols->trigger_at * 4; logic.unitsize = 4; - logic.data = ols->raw_sample_buf + + logic.data = ols->raw_sample_buf + (ols->limit_samples - ols->num_samples) * 4; sr_session_bus(session_data, &packet); } @@ -833,7 +834,7 @@ static int hw_start_acquisition(int device_index, gpointer session_data) /* * Enable/disable channel groups in the flag register according to the - * probe mask. Calculate this here, because num_channels is needed + * probe mask. Calculate this here, because num_channels is needed * to limit readcount. */ changrp_mask = 0; @@ -845,7 +846,8 @@ static int hw_start_acquisition(int device_index, gpointer session_data) } } - /* Limit readcount to prevent reading past the end of the hardware + /* + * Limit readcount to prevent reading past the end of the hardware * buffer. */ readcount = MIN(ols->max_samples / num_channels, ols->limit_samples) / 4;