X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fopenbench-logic-sniffer%2Fols.c;h=04e8649b8283e7c3eee30ef131859360a005a7bd;hb=e46b8fb154ba90ffec9c1f805399dfa819e736f9;hp=582a258c9b881abc3d7f427dc554028dae082232;hpb=1483577eed7ac27b8107b1b76e1adc5369745c29;p=libsigrok.git diff --git a/hardware/openbench-logic-sniffer/ols.c b/hardware/openbench-logic-sniffer/ols.c index 582a258c..04e8649b 100644 --- a/hardware/openbench-logic-sniffer/ols.c +++ b/hardware/openbench-logic-sniffer/ols.c @@ -43,42 +43,43 @@ #define O_NONBLOCK FIONBIO #endif -#define NUM_PROBES 32 -#define NUM_TRIGGER_STAGES 4 -#define TRIGGER_TYPES "01" -#define SERIAL_SPEED B115200 -#define CLOCK_RATE 100000000 +#define NUM_PROBES 32 +#define NUM_TRIGGER_STAGES 4 +#define TRIGGER_TYPES "01" +#define SERIAL_SPEED B115200 +#define CLOCK_RATE MHZ(100) +#define MIN_NUM_SAMPLES 4 /* Command opcodes */ -#define CMD_RESET 0x00 -#define CMD_ID 0x02 -#define CMD_SET_FLAGS 0x82 -#define CMD_SET_DIVIDER 0x80 -#define CMD_RUN 0x01 -#define CMD_CAPTURE_SIZE 0x81 -#define CMD_SET_TRIGGER_MASK_0 0xc0 -#define CMD_SET_TRIGGER_MASK_1 0xc4 -#define CMD_SET_TRIGGER_MASK_2 0xc8 -#define CMD_SET_TRIGGER_MASK_3 0xcc -#define CMD_SET_TRIGGER_VALUE_0 0xc1 -#define CMD_SET_TRIGGER_VALUE_1 0xc5 -#define CMD_SET_TRIGGER_VALUE_2 0xc9 -#define CMD_SET_TRIGGER_VALUE_3 0xcd -#define CMD_SET_TRIGGER_CONFIG_0 0xc2 -#define CMD_SET_TRIGGER_CONFIG_1 0xc6 -#define CMD_SET_TRIGGER_CONFIG_2 0xca -#define CMD_SET_TRIGGER_CONFIG_3 0xce +#define CMD_RESET 0x00 +#define CMD_ID 0x02 +#define CMD_SET_FLAGS 0x82 +#define CMD_SET_DIVIDER 0x80 +#define CMD_RUN 0x01 +#define CMD_CAPTURE_SIZE 0x81 +#define CMD_SET_TRIGGER_MASK_0 0xc0 +#define CMD_SET_TRIGGER_MASK_1 0xc4 +#define CMD_SET_TRIGGER_MASK_2 0xc8 +#define CMD_SET_TRIGGER_MASK_3 0xcc +#define CMD_SET_TRIGGER_VALUE_0 0xc1 +#define CMD_SET_TRIGGER_VALUE_1 0xc5 +#define CMD_SET_TRIGGER_VALUE_2 0xc9 +#define CMD_SET_TRIGGER_VALUE_3 0xcd +#define CMD_SET_TRIGGER_CONFIG_0 0xc2 +#define CMD_SET_TRIGGER_CONFIG_1 0xc6 +#define CMD_SET_TRIGGER_CONFIG_2 0xca +#define CMD_SET_TRIGGER_CONFIG_3 0xce /* Bitmasks for CMD_FLAGS */ -#define FLAG_DEMUX 0x01 -#define FLAG_FILTER 0x02 -#define FLAG_CHANNELGROUP_1 0x04 -#define FLAG_CHANNELGROUP_2 0x08 -#define FLAG_CHANNELGROUP_3 0x10 -#define FLAG_CHANNELGROUP_4 0x20 -#define FLAG_CLOCK_EXTERNAL 0x40 -#define FLAG_CLOCK_INVERTED 0x80 -#define FLAG_RLE 0x0100 +#define FLAG_DEMUX 0x01 +#define FLAG_FILTER 0x02 +#define FLAG_CHANNELGROUP_1 0x04 +#define FLAG_CHANNELGROUP_2 0x08 +#define FLAG_CHANNELGROUP_3 0x10 +#define FLAG_CHANNELGROUP_4 0x20 +#define FLAG_CLOCK_EXTERNAL 0x40 +#define FLAG_CLOCK_INVERTED 0x80 +#define FLAG_RLE 0x0100 static int capabilities[] = { HWCAP_LOGIC_ANALYZER, @@ -121,9 +122,9 @@ static int send_shortcommand(int fd, uint8_t command) g_debug("ols: sending cmd 0x%.2x", command); buf[0] = command; if (serial_write(fd, buf, 1) != 1) - return SIGROK_ERR; + return SR_ERR; - return SIGROK_OK; + return SR_OK; } static int send_longcommand(int fd, uint8_t command, uint32_t data) @@ -137,9 +138,9 @@ static int send_longcommand(int fd, uint8_t command, uint32_t data) buf[3] = (data & 0xff00) >> 8; buf[4] = data & 0xff; if (serial_write(fd, buf, 5) != 5) - return SIGROK_ERR; + return SR_ERR; - return SIGROK_OK; + return SR_OK; } static int configure_probes(GSList *probes) @@ -183,13 +184,13 @@ static int configure_probes(GSList *probes) * TODO: Only supporting parallel mode, with * up to 4 stages. */ - return SIGROK_ERR; + return SR_ERR; } if (stage > num_stages) num_stages = stage; } - return SIGROK_OK; + return SR_OK; } static uint32_t reverse16(uint32_t in) @@ -251,15 +252,15 @@ static int hw_init(char *deviceinfo) if (fd != -1) { serial_params[devcnt] = serial_backup_params(fd); serial_set_params(fd, 115200, 8, 0, 1, 2); - ret = SIGROK_OK; + ret = SR_OK; for (i = 0; i < 5; i++) { if ((ret = send_shortcommand(fd, - CMD_RESET)) != SIGROK_OK) { + CMD_RESET)) != SR_OK) { /* Serial port is not writable. */ break; } } - if (ret != SIGROK_OK) { + if (ret != SR_OK) { serial_restore_params(fd, serial_params[devcnt]); serial_close(fd); @@ -328,15 +329,15 @@ static int hw_opendev(int device_index) struct sigrok_device_instance *sdi; if (!(sdi = get_sigrok_device_instance(device_instances, device_index))) - return SIGROK_ERR; + return SR_ERR; sdi->serial->fd = serial_open(sdi->serial->port, O_RDWR); if (sdi->serial->fd == -1) - return SIGROK_ERR; + return SR_ERR; sdi->status = ST_ACTIVE; - return SIGROK_OK; + return SR_OK; } static void hw_closedev(int device_index) @@ -420,7 +421,7 @@ static int set_configuration_samplerate(struct sigrok_device_instance *sdi, uint32_t divider; if (samplerate < samplerates.low || samplerate > samplerates.high) - return SIGROK_ERR_SAMPLERATE; + return SR_ERR_SAMPLERATE; if (samplerate > CLOCK_RATE) { flag_reg |= FLAG_DEMUX; @@ -433,11 +434,11 @@ static int set_configuration_samplerate(struct sigrok_device_instance *sdi, g_message("ols: setting samplerate to %" PRIu64 " Hz (divider %u, demux %s)", samplerate, divider, flag_reg & FLAG_DEMUX ? "on" : "off"); - if (send_longcommand(sdi->serial->fd, CMD_SET_DIVIDER, reverse32(divider)) != SIGROK_OK) - return SIGROK_ERR; + if (send_longcommand(sdi->serial->fd, CMD_SET_DIVIDER, reverse32(divider)) != SR_OK) + return SR_ERR; cur_samplerate = samplerate; - return SIGROK_OK; + return SR_OK; } static int hw_set_configuration(int device_index, int capability, void *value) @@ -447,10 +448,10 @@ static int hw_set_configuration(int device_index, int capability, void *value) uint64_t *tmp_u64; if (!(sdi = get_sigrok_device_instance(device_instances, device_index))) - return SIGROK_ERR; + return SR_ERR; if (sdi->status != ST_ACTIVE) - return SIGROK_ERR; + return SR_ERR; switch (capability) { case HWCAP_SAMPLERATE: @@ -462,21 +463,23 @@ static int hw_set_configuration(int device_index, int capability, void *value) break; case HWCAP_LIMIT_SAMPLES: tmp_u64 = value; + if (*tmp_u64 < MIN_NUM_SAMPLES) + return SR_ERR; limit_samples = *tmp_u64; g_message("ols: sample limit %" PRIu64, limit_samples); - ret = SIGROK_OK; + ret = SR_OK; break; case HWCAP_CAPTURE_RATIO: tmp_u64 = value; capture_ratio = *tmp_u64; if (capture_ratio < 0 || capture_ratio > 100) { capture_ratio = 0; - ret = SIGROK_ERR; + ret = SR_ERR; } else - ret = SIGROK_OK; + ret = SR_OK; break; default: - ret = SIGROK_ERR; + ret = SR_ERR; } return ret; @@ -656,10 +659,10 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) uint8_t changrp_mask; if (!(sdi = get_sigrok_device_instance(device_instances, device_index))) - return SIGROK_ERR; + return SR_ERR; if (sdi->status != ST_ACTIVE) - return SIGROK_ERR; + return SR_ERR; readcount = limit_samples / 4; @@ -670,54 +673,54 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) trigger_at = (readcount - delaycount) * 4 - num_stages; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_0, - reverse32(trigger_mask[0])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_mask[0])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_0, - reverse32(trigger_value[0])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_value[0])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_0, - trigger_config[0]) != SIGROK_OK) - return SIGROK_ERR; + trigger_config[0]) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_1, - reverse32(trigger_mask[1])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_mask[1])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_1, - reverse32(trigger_value[1])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_value[1])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_1, - trigger_config[1]) != SIGROK_OK) - return SIGROK_ERR; + trigger_config[1]) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_2, - reverse32(trigger_mask[2])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_mask[2])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_2, - reverse32(trigger_value[2])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_value[2])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_2, - trigger_config[2]) != SIGROK_OK) - return SIGROK_ERR; + trigger_config[2]) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_3, - reverse32(trigger_mask[3])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_mask[3])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_3, - reverse32(trigger_value[3])) != SIGROK_OK) - return SIGROK_ERR; + reverse32(trigger_value[3])) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_3, - trigger_config[3]) != SIGROK_OK) - return SIGROK_ERR; + trigger_config[3]) != SR_OK) + return SR_ERR; } else { if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_0, - trigger_mask[0]) != SIGROK_OK) - return SIGROK_ERR; + trigger_mask[0]) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_0, - trigger_value[0]) != SIGROK_OK) - return SIGROK_ERR; + trigger_value[0]) != SR_OK) + return SR_ERR; if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_0, - 0x00000008) != SIGROK_OK) - return SIGROK_ERR; + 0x00000008) != SR_OK) + return SR_ERR; delaycount = readcount; } @@ -726,8 +729,8 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) /* Send sample limit and pre/post-trigger capture ratio. */ data = ((readcount - 1) & 0xffff) << 16; data |= (delaycount - 1) & 0xffff; - if (send_longcommand(sdi->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SIGROK_OK) - return SIGROK_ERR; + if (send_longcommand(sdi->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) + return SR_ERR; /* * Enable/disable channel groups in the flag register according to the @@ -743,12 +746,12 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) flag_reg |= ~(changrp_mask << 2) & 0x3c; flag_reg |= FLAG_FILTER; data = flag_reg << 24; - if (send_longcommand(sdi->serial->fd, CMD_SET_FLAGS, data) != SIGROK_OK) - return SIGROK_ERR; + if (send_longcommand(sdi->serial->fd, CMD_SET_FLAGS, data) != SR_OK) + return SR_ERR; /* Start acquisition on the device. */ - if (send_shortcommand(sdi->serial->fd, CMD_RUN) != SIGROK_OK) - return SIGROK_ERR; + if (send_shortcommand(sdi->serial->fd, CMD_RUN) != SR_OK) + return SR_ERR; source_add(sdi->serial->fd, G_IO_IN, -1, receive_data, session_device_id); @@ -757,7 +760,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) packet = g_malloc(sizeof(struct datafeed_packet)); header = g_malloc(sizeof(struct datafeed_header)); if (!packet || !header) - return SIGROK_ERR; + return SR_ERR; packet->type = DF_HEADER; packet->length = sizeof(struct datafeed_header); packet->payload = (unsigned char *)header; @@ -771,7 +774,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) g_free(header); g_free(packet); - return SIGROK_OK; + return SR_OK; } static void hw_stop_acquisition(int device_index, gpointer session_device_id)