X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=hardware%2Fasix-sigma%2Fasix-sigma.c;h=932de635683fcf52468334f1bea9e291ab981ee4;hp=342b2a4da2a57775a2d0ba77f12bcaa49d37d0a9;hb=ba7dd8bbb8168cba432a844259a3e239aa5f36d7;hpb=0aeb0ccd5572a08c088e7903321a5998374f42e6 diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c index 342b2a4d..932de635 100644 --- a/hardware/asix-sigma/asix-sigma.c +++ b/hardware/asix-sigma/asix-sigma.c @@ -1,7 +1,7 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * - * Copyright (C) 2010 Håvard Espeland , + * Copyright (C) 2010-2012 Håvard Espeland , * Copyright (C) 2010 Martin Stensgård * Copyright (C) 2010 Carl Henrik Lunde * @@ -20,16 +20,15 @@ */ /* - * ASIX SIGMA Logic Analyzer Driver + * ASIX SIGMA/SIGMA2 logic analyzer driver */ #include #include #include #include -#include -#include "sigrok.h" -#include "sigrok-internal.h" +#include "libsigrok.h" +#include "libsigrok-internal.h" #include "asix-sigma.h" #define USB_VENDOR 0xa600 @@ -38,12 +37,14 @@ #define USB_VENDOR_NAME "ASIX" #define USB_MODEL_NAME "SIGMA" #define USB_MODEL_VERSION "" -#define TRIGGER_TYPES "rf10" +#define TRIGGER_TYPE "rf10" #define NUM_PROBES 16 -static GSList *dev_insts = NULL; +SR_PRIV struct sr_dev_driver asix_sigma_driver_info; +static struct sr_dev_driver *di = &asix_sigma_driver_info; +static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); -static uint64_t supported_samplerates[] = { +static const uint64_t samplerates[] = { SR_KHZ(200), SR_KHZ(250), SR_KHZ(500), @@ -54,49 +55,24 @@ static uint64_t supported_samplerates[] = { SR_MHZ(50), SR_MHZ(100), SR_MHZ(200), - 0, }; /* - * Probe numbers seem to go from 1-16, according to this image: + * Channel numbers seem to go from 1-16, according to this image: * http://tools.asix.net/img/sigma_sigmacab_pins_720.jpg * (the cable has two additional GND pins, and a TI and TO pin) */ -static const char *probe_names[NUM_PROBES + 1] = { - "1", - "2", - "3", - "4", - "5", - "6", - "7", - "8", - "9", - "10", - "11", - "12", - "13", - "14", - "15", - "16", +static const char *channel_names[NUM_PROBES + 1] = { + "1", "2", "3", "4", "5", "6", "7", "8", + "9", "10", "11", "12", "13", "14", "15", "16", NULL, }; -static struct sr_samplerates samplerates = { - 0, - 0, - 0, - supported_samplerates, -}; - -static int hwcaps[] = { - SR_HWCAP_LOGIC_ANALYZER, - SR_HWCAP_SAMPLERATE, - SR_HWCAP_CAPTURE_RATIO, - SR_HWCAP_PROBECONFIG, - - SR_HWCAP_LIMIT_MSEC, - 0, +static const int32_t hwcaps[] = { + SR_CONF_LOGIC_ANALYZER, + SR_CONF_SAMPLERATE, + SR_CONF_CAPTURE_RATIO, + SR_CONF_LIMIT_MSEC, }; /* Force the FPGA to reboot. */ @@ -105,7 +81,7 @@ static uint8_t suicide[] = { }; /* Prepare to upload firmware (FPGA specific). */ -static uint8_t init[] = { +static uint8_t init_array[] = { 0x03, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, }; @@ -123,38 +99,36 @@ static const char *firmware_files[] = { "asix-sigma-phasor.fw", /* Frequency counter */ }; -static int hw_dev_acquisition_stop(int dev_index, void *cb_data); - -static int sigma_read(void *buf, size_t size, struct context *ctx) +static int sigma_read(void *buf, size_t size, struct dev_context *devc) { int ret; - ret = ftdi_read_data(&ctx->ftdic, (unsigned char *)buf, size); + ret = ftdi_read_data(&devc->ftdic, (unsigned char *)buf, size); if (ret < 0) { - sr_err("sigma: ftdi_read_data failed: %s", - ftdi_get_error_string(&ctx->ftdic)); + sr_err("ftdi_read_data failed: %s", + ftdi_get_error_string(&devc->ftdic)); } return ret; } -static int sigma_write(void *buf, size_t size, struct context *ctx) +static int sigma_write(void *buf, size_t size, struct dev_context *devc) { int ret; - ret = ftdi_write_data(&ctx->ftdic, (unsigned char *)buf, size); + ret = ftdi_write_data(&devc->ftdic, (unsigned char *)buf, size); if (ret < 0) { - sr_err("sigma: ftdi_write_data failed: %s", - ftdi_get_error_string(&ctx->ftdic)); + sr_err("ftdi_write_data failed: %s", + ftdi_get_error_string(&devc->ftdic)); } else if ((size_t) ret != size) { - sr_err("sigma: ftdi_write_data did not complete write."); + sr_err("ftdi_write_data did not complete write."); } return ret; } static int sigma_write_register(uint8_t reg, uint8_t *data, size_t len, - struct context *ctx) + struct dev_context *devc) { size_t i; uint8_t buf[len + 2]; @@ -168,16 +142,16 @@ static int sigma_write_register(uint8_t reg, uint8_t *data, size_t len, buf[idx++] = REG_DATA_HIGH_WRITE | (data[i] >> 4); } - return sigma_write(buf, idx, ctx); + return sigma_write(buf, idx, devc); } -static int sigma_set_register(uint8_t reg, uint8_t value, struct context *ctx) +static int sigma_set_register(uint8_t reg, uint8_t value, struct dev_context *devc) { - return sigma_write_register(reg, &value, 1, ctx); + return sigma_write_register(reg, &value, 1, devc); } static int sigma_read_register(uint8_t reg, uint8_t *data, size_t len, - struct context *ctx) + struct dev_context *devc) { uint8_t buf[3]; @@ -185,17 +159,17 @@ static int sigma_read_register(uint8_t reg, uint8_t *data, size_t len, buf[1] = REG_ADDR_HIGH | (reg >> 4); buf[2] = REG_READ_ADDR; - sigma_write(buf, sizeof(buf), ctx); + sigma_write(buf, sizeof(buf), devc); - return sigma_read(data, len, ctx); + return sigma_read(data, len, devc); } -static uint8_t sigma_get_register(uint8_t reg, struct context *ctx) +static uint8_t sigma_get_register(uint8_t reg, struct dev_context *devc) { uint8_t value; - if (1 != sigma_read_register(reg, &value, 1, ctx)) { - sr_err("sigma: sigma_get_register: 1 byte expected"); + if (1 != sigma_read_register(reg, &value, 1, devc)) { + sr_err("sigma_get_register: 1 byte expected"); return 0; } @@ -203,7 +177,7 @@ static uint8_t sigma_get_register(uint8_t reg, struct context *ctx) } static int sigma_read_pos(uint32_t *stoppos, uint32_t *triggerpos, - struct context *ctx) + struct dev_context *devc) { uint8_t buf[] = { REG_ADDR_LOW | READ_TRIGGER_POS_LOW, @@ -217,9 +191,9 @@ static int sigma_read_pos(uint32_t *stoppos, uint32_t *triggerpos, }; uint8_t result[6]; - sigma_write(buf, sizeof(buf), ctx); + sigma_write(buf, sizeof(buf), devc); - sigma_read(result, sizeof(result), ctx); + sigma_read(result, sizeof(result), devc); *triggerpos = result[0] | (result[1] << 8) | (result[2] << 16); *stoppos = result[3] | (result[4] << 8) | (result[5] << 16); @@ -235,7 +209,7 @@ static int sigma_read_pos(uint32_t *stoppos, uint32_t *triggerpos, } static int sigma_read_dram(uint16_t startchunk, size_t numchunks, - uint8_t *data, struct context *ctx) + uint8_t *data, struct dev_context *devc) { size_t i; uint8_t buf[4096]; @@ -244,7 +218,7 @@ static int sigma_read_dram(uint16_t startchunk, size_t numchunks, /* Send the startchunk. Index start with 1. */ buf[0] = startchunk >> 8; buf[1] = startchunk & 0xff; - sigma_write_register(WRITE_MEMROW, buf, 2, ctx); + sigma_write_register(WRITE_MEMROW, buf, 2, devc); /* Read the DRAM. */ buf[idx++] = REG_DRAM_BLOCK; @@ -261,13 +235,13 @@ static int sigma_read_dram(uint16_t startchunk, size_t numchunks, buf[idx++] = REG_DRAM_WAIT_ACK; } - sigma_write(buf, idx, ctx); + sigma_write(buf, idx, devc); - return sigma_read(data, numchunks * CHUNK_SIZE, ctx); + return sigma_read(data, numchunks * CHUNK_SIZE, devc); } /* Upload trigger look-up tables to Sigma. */ -static int sigma_write_trigger_lut(struct triggerlut *lut, struct context *ctx) +static int sigma_write_trigger_lut(struct triggerlut *lut, struct dev_context *devc) { int i; uint8_t tmp[2]; @@ -314,13 +288,13 @@ static int sigma_write_trigger_lut(struct triggerlut *lut, struct context *ctx) tmp[1] |= 0x80; sigma_write_register(WRITE_TRIGGER_SELECT0, tmp, sizeof(tmp), - ctx); - sigma_set_register(WRITE_TRIGGER_SELECT1, 0x30 | i, ctx); + devc); + sigma_set_register(WRITE_TRIGGER_SELECT1, 0x30 | i, devc); } /* Send the parameters */ sigma_write_register(WRITE_TRIGGER_SELECT0, (uint8_t *) &lut->params, - sizeof(lut->params), ctx); + sizeof(lut->params), devc); return SR_OK; } @@ -330,24 +304,24 @@ static int bin2bitbang(const char *filename, unsigned char **buf, size_t *buf_size) { FILE *f; - long file_size; + unsigned long file_size; unsigned long offset = 0; unsigned char *p; - uint8_t *compressed_buf, *firmware; - uLongf csize, fwsize; + uint8_t *firmware; + unsigned long fwsize = 0; const int buffer_size = 65536; size_t i; - int c, ret, bit, v; + int c, bit, v; uint32_t imm = 0x3f6df2ab; f = g_fopen(filename, "rb"); if (!f) { - sr_err("sigma: g_fopen(\"%s\", \"rb\")", filename); + sr_err("g_fopen(\"%s\", \"rb\")", filename); return SR_ERR; } if (-1 == fseek(f, 0, SEEK_END)) { - sr_err("sigma: fseek on %s failed", filename); + sr_err("fseek on %s failed", filename); fclose(f); return SR_ERR; } @@ -356,44 +330,30 @@ static int bin2bitbang(const char *filename, fseek(f, 0, SEEK_SET); - if (!(compressed_buf = g_try_malloc(file_size))) { - sr_err("sigma: %s: compressed_buf malloc failed", __func__); - fclose(f); - return SR_ERR_MALLOC; - } - if (!(firmware = g_try_malloc(buffer_size))) { - sr_err("sigma: %s: firmware malloc failed", __func__); + sr_err("%s: firmware malloc failed", __func__); fclose(f); - g_free(compressed_buf); return SR_ERR_MALLOC; } - csize = 0; while ((c = getc(f)) != EOF) { imm = (imm + 0xa853753) % 177 + (imm * 0x8034052); - compressed_buf[csize++] = c ^ imm; + firmware[fwsize++] = c ^ imm; } fclose(f); - fwsize = buffer_size; - ret = uncompress(firmware, &fwsize, compressed_buf, csize); - if (ret < 0) { - g_free(compressed_buf); - g_free(firmware); - sr_err("sigma: Could not unpack Sigma firmware. " - "(Error %d).", ret); - return SR_ERR; + if(fwsize != file_size) { + sr_err("%s: Error reading firmware", filename); + fclose(f); + g_free(firmware); + return SR_ERR; } - g_free(compressed_buf); - *buf_size = fwsize * 2 * 8; *buf = p = (unsigned char *)g_try_malloc(*buf_size); if (!p) { - sr_err("sigma: %s: buf/p malloc failed", __func__); - g_free(compressed_buf); + sr_err("%s: buf/p malloc failed", __func__); g_free(firmware); return SR_ERR_MALLOC; } @@ -410,7 +370,7 @@ static int bin2bitbang(const char *filename, if (offset != *buf_size) { g_free(*buf); - sr_err("sigma: Error reading firmware %s " + sr_err("Error reading firmware %s " "offset=%ld, file_size=%ld, buf_size=%zd.", filename, offset, file_size, *buf_size); @@ -420,57 +380,117 @@ static int bin2bitbang(const char *filename, return SR_OK; } -static int hw_init(const char *devinfo) +static void clear_helper(void *priv) +{ + struct dev_context *devc; + + devc = priv; + + ftdi_deinit(&devc->ftdic); +} + +static int dev_clear(void) +{ + return std_dev_clear(di, clear_helper); +} + +static int init(struct sr_context *sr_ctx) +{ + return std_init(sr_ctx, di, LOG_PREFIX); +} + +static GSList *scan(GSList *options) { struct sr_dev_inst *sdi; - struct context *ctx; + struct sr_channel *ch; + struct drv_context *drvc; + struct dev_context *devc; + GSList *devices; + struct ftdi_device_list *devlist; + char serial_txt[10]; + uint32_t serial; + int ret, i; - /* Avoid compiler warnings. */ - (void)devinfo; + (void)options; - if (!(ctx = g_try_malloc(sizeof(struct context)))) { - sr_err("sigma: %s: ctx malloc failed", __func__); - return 0; /* FIXME: Should be SR_ERR_MALLOC. */ + drvc = di->priv; + + devices = NULL; + + if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { + sr_err("%s: devc malloc failed", __func__); + return NULL; } - ftdi_init(&ctx->ftdic); + ftdi_init(&devc->ftdic); /* Look for SIGMAs. */ - if (ftdi_usb_open_desc(&ctx->ftdic, USB_VENDOR, USB_PRODUCT, - USB_DESCRIPTION, NULL) < 0) + + if ((ret = ftdi_usb_find_all(&devc->ftdic, &devlist, + USB_VENDOR, USB_PRODUCT)) <= 0) { + if (ret < 0) + sr_err("ftdi_usb_find_all(): %d", ret); goto free; + } + + /* Make sure it's a version 1 or 2 SIGMA. */ + ftdi_usb_get_strings(&devc->ftdic, devlist->dev, NULL, 0, NULL, 0, + serial_txt, sizeof(serial_txt)); + sscanf(serial_txt, "%x", &serial); + + if (serial < 0xa6010000 || serial > 0xa602ffff) { + sr_err("Only SIGMA and SIGMA2 are supported " + "in this version of libsigrok."); + goto free; + } + + sr_info("Found ASIX SIGMA - Serial: %s", serial_txt); - ctx->cur_samplerate = 0; - ctx->period_ps = 0; - ctx->limit_msec = 0; - ctx->cur_firmware = -1; - ctx->num_probes = 0; - ctx->samples_per_event = 0; - ctx->capture_ratio = 50; - ctx->use_triggers = 0; + devc->cur_samplerate = 0; + devc->period_ps = 0; + devc->limit_msec = 0; + devc->cur_firmware = -1; + devc->num_channels = 0; + devc->samples_per_event = 0; + devc->capture_ratio = 50; + devc->use_triggers = 0; /* Register SIGMA device. */ if (!(sdi = sr_dev_inst_new(0, SR_ST_INITIALIZING, USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION))) { - sr_err("sigma: %s: sdi was NULL", __func__); + sr_err("%s: sdi was NULL", __func__); goto free; } + sdi->driver = di; - sdi->priv = ctx; + for (i = 0; channel_names[i]; i++) { + if (!(ch = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, + channel_names[i]))) + return NULL; + sdi->channels = g_slist_append(sdi->channels, ch); + } - dev_insts = g_slist_append(dev_insts, sdi); + devices = g_slist_append(devices, sdi); + drvc->instances = g_slist_append(drvc->instances, sdi); + sdi->priv = devc; /* We will open the device again when we need it. */ - ftdi_usb_close(&ctx->ftdic); + ftdi_list_free(&devlist); - return 1; + return devices; free: - g_free(ctx); - return 0; + ftdi_deinit(&devc->ftdic); + g_free(devc); + return NULL; +} + +static GSList *dev_list(void) +{ + return ((struct drv_context *)(di->priv))->instances; } -static int upload_firmware(int firmware_idx, struct context *ctx) +static int upload_firmware(int firmware_idx, struct dev_context *devc) { int ret; unsigned char *buf; @@ -480,40 +500,40 @@ static int upload_firmware(int firmware_idx, struct context *ctx) char firmware_path[128]; /* Make sure it's an ASIX SIGMA. */ - if ((ret = ftdi_usb_open_desc(&ctx->ftdic, + if ((ret = ftdi_usb_open_desc(&devc->ftdic, USB_VENDOR, USB_PRODUCT, USB_DESCRIPTION, NULL)) < 0) { - sr_err("sigma: ftdi_usb_open failed: %s", - ftdi_get_error_string(&ctx->ftdic)); + sr_err("ftdi_usb_open failed: %s", + ftdi_get_error_string(&devc->ftdic)); return 0; } - if ((ret = ftdi_set_bitmode(&ctx->ftdic, 0xdf, BITMODE_BITBANG)) < 0) { - sr_err("sigma: ftdi_set_bitmode failed: %s", - ftdi_get_error_string(&ctx->ftdic)); + if ((ret = ftdi_set_bitmode(&devc->ftdic, 0xdf, BITMODE_BITBANG)) < 0) { + sr_err("ftdi_set_bitmode failed: %s", + ftdi_get_error_string(&devc->ftdic)); return 0; } /* Four times the speed of sigmalogan - Works well. */ - if ((ret = ftdi_set_baudrate(&ctx->ftdic, 750000)) < 0) { - sr_err("sigma: ftdi_set_baudrate failed: %s", - ftdi_get_error_string(&ctx->ftdic)); + if ((ret = ftdi_set_baudrate(&devc->ftdic, 750000)) < 0) { + sr_err("ftdi_set_baudrate failed: %s", + ftdi_get_error_string(&devc->ftdic)); return 0; } /* Force the FPGA to reboot. */ - sigma_write(suicide, sizeof(suicide), ctx); - sigma_write(suicide, sizeof(suicide), ctx); - sigma_write(suicide, sizeof(suicide), ctx); - sigma_write(suicide, sizeof(suicide), ctx); + sigma_write(suicide, sizeof(suicide), devc); + sigma_write(suicide, sizeof(suicide), devc); + sigma_write(suicide, sizeof(suicide), devc); + sigma_write(suicide, sizeof(suicide), devc); /* Prepare to upload firmware (FPGA specific). */ - sigma_write(init, sizeof(init), ctx); + sigma_write(init_array, sizeof(init_array), devc); - ftdi_usb_purge_buffers(&ctx->ftdic); + ftdi_usb_purge_buffers(&devc->ftdic); /* Wait until the FPGA asserts INIT_B. */ while (1) { - ret = sigma_read(result, 1, ctx); + ret = sigma_read(result, 1, devc); if (result[0] & 0x20) break; } @@ -523,61 +543,60 @@ static int upload_firmware(int firmware_idx, struct context *ctx) firmware_files[firmware_idx]); if ((ret = bin2bitbang(firmware_path, &buf, &buf_size)) != SR_OK) { - sr_err("sigma: An error occured while reading the firmware: %s", + sr_err("An error occured while reading the firmware: %s", firmware_path); return ret; } /* Upload firmare. */ - sigma_write(buf, buf_size, ctx); + sr_info("Uploading firmware file '%s'.", firmware_files[firmware_idx]); + sigma_write(buf, buf_size, devc); g_free(buf); - if ((ret = ftdi_set_bitmode(&ctx->ftdic, 0x00, BITMODE_RESET)) < 0) { - sr_err("sigma: ftdi_set_bitmode failed: %s", - ftdi_get_error_string(&ctx->ftdic)); + if ((ret = ftdi_set_bitmode(&devc->ftdic, 0x00, BITMODE_RESET)) < 0) { + sr_err("ftdi_set_bitmode failed: %s", + ftdi_get_error_string(&devc->ftdic)); return SR_ERR; } - ftdi_usb_purge_buffers(&ctx->ftdic); + ftdi_usb_purge_buffers(&devc->ftdic); /* Discard garbage. */ - while (1 == sigma_read(&pins, 1, ctx)) + while (1 == sigma_read(&pins, 1, devc)) ; /* Initialize the logic analyzer mode. */ - sigma_write(logic_mode_start, sizeof(logic_mode_start), ctx); + sigma_write(logic_mode_start, sizeof(logic_mode_start), devc); /* Expect a 3 byte reply. */ - ret = sigma_read(result, 3, ctx); + ret = sigma_read(result, 3, devc); if (ret != 3 || result[0] != 0xa6 || result[1] != 0x55 || result[2] != 0xaa) { - sr_err("sigma: Configuration failed. Invalid reply received."); + sr_err("Configuration failed. Invalid reply received."); return SR_ERR; } - ctx->cur_firmware = firmware_idx; + devc->cur_firmware = firmware_idx; + + sr_info("Firmware uploaded."); return SR_OK; } -static int hw_dev_open(int dev_index) +static int dev_open(struct sr_dev_inst *sdi) { - struct sr_dev_inst *sdi; - struct context *ctx; + struct dev_context *devc; int ret; - if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) - return SR_ERR; - - ctx = sdi->priv; + devc = sdi->priv; /* Make sure it's an ASIX SIGMA. */ - if ((ret = ftdi_usb_open_desc(&ctx->ftdic, + if ((ret = ftdi_usb_open_desc(&devc->ftdic, USB_VENDOR, USB_PRODUCT, USB_DESCRIPTION, NULL)) < 0) { - sr_err("sigma: ftdi_usb_open failed: %s", - ftdi_get_error_string(&ctx->ftdic)); + sr_err("ftdi_usb_open failed: %s", + ftdi_get_error_string(&devc->ftdic)); return 0; } @@ -587,37 +606,39 @@ static int hw_dev_open(int dev_index) return SR_OK; } -static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate) +static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate) { - int i, ret; - struct context *ctx = sdi->priv; + struct dev_context *devc; + unsigned int i; + int ret; - for (i = 0; supported_samplerates[i]; i++) { - if (supported_samplerates[i] == samplerate) + devc = sdi->priv; + ret = SR_OK; + + for (i = 0; i < ARRAY_SIZE(samplerates); i++) { + if (samplerates[i] == samplerate) break; } - if (supported_samplerates[i] == 0) + if (samplerates[i] == 0) return SR_ERR_SAMPLERATE; if (samplerate <= SR_MHZ(50)) { - ret = upload_firmware(0, ctx); - ctx->num_probes = 16; + ret = upload_firmware(0, devc); + devc->num_channels = 16; } if (samplerate == SR_MHZ(100)) { - ret = upload_firmware(1, ctx); - ctx->num_probes = 8; + ret = upload_firmware(1, devc); + devc->num_channels = 8; } else if (samplerate == SR_MHZ(200)) { - ret = upload_firmware(2, ctx); - ctx->num_probes = 4; + ret = upload_firmware(2, devc); + devc->num_channels = 4; } - ctx->cur_samplerate = samplerate; - ctx->period_ps = 1000000000000 / samplerate; - ctx->samples_per_event = 16 / ctx->num_probes; - ctx->state.state = SIGMA_IDLE; - - sr_info("sigma: Firmware uploaded"); + devc->cur_samplerate = samplerate; + devc->period_ps = 1000000000000ULL / samplerate; + devc->samples_per_event = 16 / devc->num_channels; + devc->state.state = SIGMA_IDLE; return ret; } @@ -625,63 +646,62 @@ static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate) /* * In 100 and 200 MHz mode, only a single pin rising/falling can be * set as trigger. In other modes, two rising/falling triggers can be set, - * in addition to value/mask trigger for any number of probes. + * in addition to value/mask trigger for any number of channels. * * The Sigma supports complex triggers using boolean expressions, but this * has not been implemented yet. */ -static int configure_probes(struct sr_dev_inst *sdi, GSList *probes) +static int configure_channels(const struct sr_dev_inst *sdi) { - struct context *ctx = sdi->priv; - struct sr_probe *probe; - GSList *l; + struct dev_context *devc = sdi->priv; + const struct sr_channel *ch; + const GSList *l; int trigger_set = 0; - int probebit; + int channelbit; - memset(&ctx->trigger, 0, sizeof(struct sigma_trigger)); + memset(&devc->trigger, 0, sizeof(struct sigma_trigger)); - for (l = probes; l; l = l->next) { - probe = (struct sr_probe *)l->data; - probebit = 1 << (probe->index - 1); + for (l = sdi->channels; l; l = l->next) { + ch = (struct sr_channel *)l->data; + channelbit = 1 << (ch->index); - if (!probe->enabled || !probe->trigger) + if (!ch->enabled || !ch->trigger) continue; - if (ctx->cur_samplerate >= SR_MHZ(100)) { + if (devc->cur_samplerate >= SR_MHZ(100)) { /* Fast trigger support. */ if (trigger_set) { - sr_err("sigma: ASIX SIGMA only supports a single " - "pin trigger in 100 and 200MHz mode."); + sr_err("Only a single pin trigger in 100 and " + "200MHz mode is supported."); return SR_ERR; } - if (probe->trigger[0] == 'f') - ctx->trigger.fallingmask |= probebit; - else if (probe->trigger[0] == 'r') - ctx->trigger.risingmask |= probebit; + if (ch->trigger[0] == 'f') + devc->trigger.fallingmask |= channelbit; + else if (ch->trigger[0] == 'r') + devc->trigger.risingmask |= channelbit; else { - sr_err("sigma: ASIX SIGMA only supports " - "rising/falling trigger in 100 " - "and 200MHz mode."); + sr_err("Only rising/falling trigger in 100 " + "and 200MHz mode is supported."); return SR_ERR; } ++trigger_set; } else { /* Simple trigger support (event). */ - if (probe->trigger[0] == '1') { - ctx->trigger.simplevalue |= probebit; - ctx->trigger.simplemask |= probebit; + if (ch->trigger[0] == '1') { + devc->trigger.simplevalue |= channelbit; + devc->trigger.simplemask |= channelbit; } - else if (probe->trigger[0] == '0') { - ctx->trigger.simplevalue &= ~probebit; - ctx->trigger.simplemask |= probebit; + else if (ch->trigger[0] == '0') { + devc->trigger.simplevalue &= ~channelbit; + devc->trigger.simplemask |= channelbit; } - else if (probe->trigger[0] == 'f') { - ctx->trigger.fallingmask |= probebit; + else if (ch->trigger[0] == 'f') { + devc->trigger.fallingmask |= channelbit; ++trigger_set; } - else if (probe->trigger[0] == 'r') { - ctx->trigger.risingmask |= probebit; + else if (ch->trigger[0] == 'r') { + devc->trigger.risingmask |= channelbit; ++trigger_set; } @@ -691,152 +711,126 @@ static int configure_probes(struct sr_dev_inst *sdi, GSList *probes) * does not permit ORed triggers. */ if (trigger_set > 1) { - sr_err("sigma: ASIX SIGMA only supports 1 " - "rising/falling triggers."); + sr_err("Only 1 rising/falling trigger " + "is supported."); return SR_ERR; } } if (trigger_set) - ctx->use_triggers = 1; + devc->use_triggers = 1; } return SR_OK; } -static int hw_dev_close(int dev_index) +static int dev_close(struct sr_dev_inst *sdi) { - struct sr_dev_inst *sdi; - struct context *ctx; + struct dev_context *devc; - if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { - sr_err("sigma: %s: sdi was NULL", __func__); - return SR_ERR_BUG; - } - - if (!(ctx = sdi->priv)) { - sr_err("sigma: %s: sdi->priv was NULL", __func__); - return SR_ERR_BUG; - } + devc = sdi->priv; /* TODO */ if (sdi->status == SR_ST_ACTIVE) - ftdi_usb_close(&ctx->ftdic); + ftdi_usb_close(&devc->ftdic); sdi->status = SR_ST_INACTIVE; return SR_OK; } -static int hw_cleanup(void) +static int cleanup(void) { - GSList *l; - struct sr_dev_inst *sdi; - int ret = SR_OK; - - /* Properly close all devices. */ - for (l = dev_insts; l; l = l->next) { - if (!(sdi = l->data)) { - /* Log error, but continue cleaning up the rest. */ - sr_err("sigma: %s: sdi was NULL, continuing", __func__); - ret = SR_ERR_BUG; - continue; - } - sr_dev_inst_free(sdi); - } - g_slist_free(dev_insts); - dev_insts = NULL; - - return ret; + return dev_clear(); } -static void *hw_dev_info_get(int dev_index, int dev_info_id) +static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { - struct sr_dev_inst *sdi; - struct context *ctx; - void *info = NULL; + struct dev_context *devc; - if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { - sr_err("sigma: %s: sdi was NULL", __func__); - return NULL; - } - - ctx = sdi->priv; + (void)cg; - switch (dev_info_id) { - case SR_DI_INST: - info = sdi; - break; - case SR_DI_NUM_PROBES: - info = GINT_TO_POINTER(NUM_PROBES); - break; - case SR_DI_PROBE_NAMES: - info = probe_names; - break; - case SR_DI_SAMPLERATES: - info = &samplerates; - break; - case SR_DI_TRIGGER_TYPES: - info = (char *)TRIGGER_TYPES; - break; - case SR_DI_CUR_SAMPLERATE: - info = &ctx->cur_samplerate; + switch (id) { + case SR_CONF_SAMPLERATE: + if (sdi) { + devc = sdi->priv; + *data = g_variant_new_uint64(devc->cur_samplerate); + } else + return SR_ERR; break; + default: + return SR_ERR_NA; } - return info; -} - -static int hw_dev_status_get(int dev_index) -{ - struct sr_dev_inst *sdi; - - sdi = sr_dev_inst_get(dev_insts, dev_index); - if (sdi) - return sdi->status; - else - return SR_ST_NOT_FOUND; -} - -static int *hw_hwcap_get_all(void) -{ - return hwcaps; + return SR_OK; } -static int hw_dev_config_set(int dev_index, int hwcap, void *value) +static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { - struct sr_dev_inst *sdi; - struct context *ctx; + struct dev_context *devc; int ret; - if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) - return SR_ERR; + (void)cg; - ctx = sdi->priv; + if (sdi->status != SR_ST_ACTIVE) + return SR_ERR_DEV_CLOSED; - if (hwcap == SR_HWCAP_SAMPLERATE) { - ret = set_samplerate(sdi, *(uint64_t *)value); - } else if (hwcap == SR_HWCAP_PROBECONFIG) { - ret = configure_probes(sdi, value); - } else if (hwcap == SR_HWCAP_LIMIT_MSEC) { - ctx->limit_msec = *(uint64_t *)value; - if (ctx->limit_msec > 0) + devc = sdi->priv; + + if (id == SR_CONF_SAMPLERATE) { + ret = set_samplerate(sdi, g_variant_get_uint64(data)); + } else if (id == SR_CONF_LIMIT_MSEC) { + devc->limit_msec = g_variant_get_uint64(data); + if (devc->limit_msec > 0) ret = SR_OK; else ret = SR_ERR; - } else if (hwcap == SR_HWCAP_CAPTURE_RATIO) { - ctx->capture_ratio = *(uint64_t *)value; - if (ctx->capture_ratio < 0 || ctx->capture_ratio > 100) + } else if (id == SR_CONF_CAPTURE_RATIO) { + devc->capture_ratio = g_variant_get_uint64(data); + if (devc->capture_ratio < 0 || devc->capture_ratio > 100) ret = SR_ERR; else ret = SR_OK; } else { - ret = SR_ERR; + ret = SR_ERR_NA; } return ret; } +static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) +{ + GVariant *gvar; + GVariantBuilder gvb; + + (void)sdi; + (void)cg; + + switch (key) { + case SR_CONF_DEVICE_OPTIONS: + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, + hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); + break; + case SR_CONF_SAMPLERATE: + g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); + gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, + ARRAY_SIZE(samplerates), sizeof(uint64_t)); + g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); + *data = g_variant_builder_end(&gvb); + break; + case SR_CONF_TRIGGER_TYPE: + *data = g_variant_new_string(TRIGGER_TYPE); + break; + default: + return SR_ERR_NA; + } + + return SR_OK; +} + /* Software trigger to determine exact trigger position. */ static int get_trigger_offset(uint16_t *samples, uint16_t last_sample, struct sigma_trigger *t) @@ -882,21 +876,21 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, uint16_t limit_chunk, void *cb_data) { struct sr_dev_inst *sdi = cb_data; - struct context *ctx = sdi->priv; + struct dev_context *devc = sdi->priv; uint16_t tsdiff, ts; - uint16_t samples[65536 * ctx->samples_per_event]; + uint16_t samples[65536 * devc->samples_per_event]; struct sr_datafeed_packet packet; struct sr_datafeed_logic logic; int i, j, k, l, numpad, tosend; size_t n = 0, sent = 0; - int clustersize = EVENTS_PER_CLUSTER * ctx->samples_per_event; + int clustersize = EVENTS_PER_CLUSTER * devc->samples_per_event; uint16_t *event; uint16_t cur_sample; int triggerts = -1; /* Check if trigger is in this chunk. */ if (triggerpos != -1) { - if (ctx->cur_samplerate <= SR_MHZ(50)) + if (devc->cur_samplerate <= SR_MHZ(50)) triggerpos -= EVENTS_PER_CLUSTER - 1; if (triggerpos < 0) @@ -917,7 +911,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, return SR_OK; /* Pad last sample up to current point. */ - numpad = tsdiff * ctx->samples_per_event - clustersize; + numpad = tsdiff * devc->samples_per_event - clustersize; if (numpad > 0) { for (j = 0; j < numpad; ++j) samples[j] = *lastsample; @@ -935,7 +929,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, logic.length = tosend * sizeof(uint16_t); logic.unitsize = 2; logic.data = samples + sent; - sr_session_send(ctx->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); sent += tosend; } @@ -948,13 +942,13 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, for (j = 0; j < 7; ++j) { /* For each sample in event. */ - for (k = 0; k < ctx->samples_per_event; ++k) { + for (k = 0; k < devc->samples_per_event; ++k) { cur_sample = 0; - /* For each probe. */ - for (l = 0; l < ctx->num_probes; ++l) + /* For each channel. */ + for (l = 0; l < devc->num_channels; ++l) cur_sample |= (!!(event[j] & (1 << (l * - ctx->samples_per_event + k)))) << l; + devc->samples_per_event + k)))) << l; samples[n++] = cur_sample; } @@ -970,7 +964,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, * samples to pinpoint the exact position of the trigger. */ tosend = get_trigger_offset(samples, *lastsample, - &ctx->trigger); + &devc->trigger); if (tosend > 0) { packet.type = SR_DF_LOGIC; @@ -978,15 +972,15 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, logic.length = tosend * sizeof(uint16_t); logic.unitsize = 2; logic.data = samples; - sr_session_send(ctx->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); sent += tosend; } /* Only send trigger if explicitly enabled. */ - if (ctx->use_triggers) { + if (devc->use_triggers) { packet.type = SR_DF_TRIGGER; - sr_session_send(ctx->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); } } @@ -999,7 +993,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, logic.length = tosend * sizeof(uint16_t); logic.unitsize = 2; logic.data = samples + sent; - sr_session_send(ctx->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); } *lastsample = samples[n - 1]; @@ -1011,7 +1005,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts, static int receive_data(int fd, int revents, void *cb_data) { struct sr_dev_inst *sdi = cb_data; - struct context *ctx = sdi->priv; + struct dev_context *devc = sdi->priv; struct sr_datafeed_packet packet; const int chunks_per_read = 32; unsigned char buf[chunks_per_read * CHUNK_SIZE]; @@ -1019,53 +1013,56 @@ static int receive_data(int fd, int revents, void *cb_data) uint64_t running_msec; struct timeval tv; - /* Avoid compiler warnings. */ (void)fd; (void)revents; - numchunks = (ctx->state.stoppos + 511) / 512; + /* Get the current position. */ + sigma_read_pos(&devc->state.stoppos, &devc->state.triggerpos, devc); - if (ctx->state.state == SIGMA_IDLE) - return FALSE; + numchunks = (devc->state.stoppos + 511) / 512; - if (ctx->state.state == SIGMA_CAPTURE) { + if (devc->state.state == SIGMA_IDLE) + return TRUE; + + if (devc->state.state == SIGMA_CAPTURE) { /* Check if the timer has expired, or memory is full. */ gettimeofday(&tv, 0); - running_msec = (tv.tv_sec - ctx->start_tv.tv_sec) * 1000 + - (tv.tv_usec - ctx->start_tv.tv_usec) / 1000; + running_msec = (tv.tv_sec - devc->start_tv.tv_sec) * 1000 + + (tv.tv_usec - devc->start_tv.tv_usec) / 1000; - if (running_msec < ctx->limit_msec && numchunks < 32767) - return FALSE; + if (running_msec < devc->limit_msec && numchunks < 32767) + return TRUE; /* While capturing... */ + else + dev_acquisition_stop(sdi, sdi); - hw_dev_acquisition_stop(sdi->index, sdi); + } - return FALSE; - } else if (ctx->state.state == SIGMA_DOWNLOAD) { - if (ctx->state.chunks_downloaded >= numchunks) { + if (devc->state.state == SIGMA_DOWNLOAD) { + if (devc->state.chunks_downloaded >= numchunks) { /* End of samples. */ packet.type = SR_DF_END; - sr_session_send(ctx->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); - ctx->state.state = SIGMA_IDLE; + devc->state.state = SIGMA_IDLE; return TRUE; } newchunks = MIN(chunks_per_read, - numchunks - ctx->state.chunks_downloaded); + numchunks - devc->state.chunks_downloaded); - sr_info("sigma: Downloading sample data: %.0f %%", - 100.0 * ctx->state.chunks_downloaded / numchunks); + sr_info("Downloading sample data: %.0f %%.", + 100.0 * devc->state.chunks_downloaded / numchunks); - bufsz = sigma_read_dram(ctx->state.chunks_downloaded, - newchunks, buf, ctx); + bufsz = sigma_read_dram(devc->state.chunks_downloaded, + newchunks, buf, devc); /* TODO: Check bufsz. For now, just avoid compiler warnings. */ (void)bufsz; /* Find first ts. */ - if (ctx->state.chunks_downloaded == 0) { - ctx->state.lastts = *(uint16_t *) buf - 1; - ctx->state.lastsample = 0; + if (devc->state.chunks_downloaded == 0) { + devc->state.lastts = RL16(buf) - 1; + devc->state.lastsample = 0; } /* Decode chunks and send them to sigrok. */ @@ -1073,24 +1070,24 @@ static int receive_data(int fd, int revents, void *cb_data) int limit_chunk = 0; /* The last chunk may potentially be only in part. */ - if (ctx->state.chunks_downloaded == numchunks - 1) { + if (devc->state.chunks_downloaded == numchunks - 1) { /* Find the last valid timestamp */ - limit_chunk = ctx->state.stoppos % 512 + ctx->state.lastts; + limit_chunk = devc->state.stoppos % 512 + devc->state.lastts; } - if (ctx->state.chunks_downloaded + i == ctx->state.triggerchunk) + if (devc->state.chunks_downloaded + i == devc->state.triggerchunk) decode_chunk_ts(buf + (i * CHUNK_SIZE), - &ctx->state.lastts, - &ctx->state.lastsample, - ctx->state.triggerpos & 0x1ff, + &devc->state.lastts, + &devc->state.lastsample, + devc->state.triggerpos & 0x1ff, limit_chunk, sdi); else decode_chunk_ts(buf + (i * CHUNK_SIZE), - &ctx->state.lastts, - &ctx->state.lastsample, + &devc->state.lastts, + &devc->state.lastsample, -1, limit_chunk, sdi); - ++ctx->state.chunks_downloaded; + ++devc->state.chunks_downloaded; } } @@ -1102,14 +1099,14 @@ static void build_lut_entry(uint16_t value, uint16_t mask, uint16_t *entry) { int i, j, k, bit; - /* For each quad probe. */ + /* For each quad channel. */ for (i = 0; i < 4; ++i) { entry[i] = 0xffff; /* For each bit in LUT. */ for (j = 0; j < 16; ++j) - /* For each probe in quad. */ + /* For each channel in quad. */ for (k = 0; k < 4; ++k) { bit = 1 << (i * 4 + k); @@ -1208,7 +1205,7 @@ static void add_trigger_function(enum triggerop oper, enum triggerfunc func, * simple pin change and state triggers. Only two transitions (rise/fall) can be * set at any time, but a full mask and value can be set (0/1). */ -static int build_basic_trigger(struct triggerlut *lut, struct context *ctx) +static int build_basic_trigger(struct triggerlut *lut, struct dev_context *devc) { int i,j; uint16_t masks[2] = { 0, 0 }; @@ -1219,13 +1216,13 @@ static int build_basic_trigger(struct triggerlut *lut, struct context *ctx) lut->m4 = 0xa000; /* Value/mask trigger support. */ - build_lut_entry(ctx->trigger.simplevalue, ctx->trigger.simplemask, + build_lut_entry(devc->trigger.simplevalue, devc->trigger.simplemask, lut->m2d); /* Rise/fall trigger support. */ for (i = 0, j = 0; i < 16; ++i) { - if (ctx->trigger.risingmask & (1 << i) || - ctx->trigger.fallingmask & (1 << i)) + if (devc->trigger.risingmask & (1 << i) || + devc->trigger.fallingmask & (1 << i)) masks[j++] = 1 << i; } @@ -1235,13 +1232,13 @@ static int build_basic_trigger(struct triggerlut *lut, struct context *ctx) /* Add glue logic */ if (masks[0] || masks[1]) { /* Transition trigger. */ - if (masks[0] & ctx->trigger.risingmask) + if (masks[0] & devc->trigger.risingmask) add_trigger_function(OP_RISE, FUNC_OR, 0, 0, &lut->m3); - if (masks[0] & ctx->trigger.fallingmask) + if (masks[0] & devc->trigger.fallingmask) add_trigger_function(OP_FALL, FUNC_OR, 0, 0, &lut->m3); - if (masks[1] & ctx->trigger.risingmask) + if (masks[1] & devc->trigger.risingmask) add_trigger_function(OP_RISE, FUNC_OR, 1, 0, &lut->m3); - if (masks[1] & ctx->trigger.fallingmask) + if (masks[1] & devc->trigger.fallingmask) add_trigger_function(OP_FALL, FUNC_OR, 1, 0, &lut->m3); } else { /* Only value/mask trigger. */ @@ -1254,39 +1251,41 @@ static int build_basic_trigger(struct triggerlut *lut, struct context *ctx) return SR_OK; } -static int hw_dev_acquisition_start(int dev_index, void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { - struct sr_dev_inst *sdi; - struct context *ctx; - struct sr_datafeed_packet packet; - struct sr_datafeed_header header; + struct dev_context *devc; struct clockselect_50 clockselect; int frac, triggerpin, ret; - uint8_t triggerselect; + uint8_t triggerselect = 0; struct triggerinout triggerinout_conf; struct triggerlut lut; - if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) - return SR_ERR; + if (sdi->status != SR_ST_ACTIVE) + return SR_ERR_DEV_CLOSED; - ctx = sdi->priv; + devc = sdi->priv; + + if (configure_channels(sdi) != SR_OK) { + sr_err("Failed to configure channels."); + return SR_ERR; + } /* If the samplerate has not been set, default to 200 kHz. */ - if (ctx->cur_firmware == -1) { + if (devc->cur_firmware == -1) { if ((ret = set_samplerate(sdi, SR_KHZ(200))) != SR_OK) return ret; } /* Enter trigger programming mode. */ - sigma_set_register(WRITE_TRIGGER_SELECT1, 0x20, ctx); + sigma_set_register(WRITE_TRIGGER_SELECT1, 0x20, devc); /* 100 and 200 MHz mode. */ - if (ctx->cur_samplerate >= SR_MHZ(100)) { - sigma_set_register(WRITE_TRIGGER_SELECT1, 0x81, ctx); + if (devc->cur_samplerate >= SR_MHZ(100)) { + sigma_set_register(WRITE_TRIGGER_SELECT1, 0x81, devc); /* Find which pin to trigger on from mask. */ for (triggerpin = 0; triggerpin < 8; ++triggerpin) - if ((ctx->trigger.risingmask | ctx->trigger.fallingmask) & + if ((devc->trigger.risingmask | devc->trigger.fallingmask) & (1 << triggerpin)) break; @@ -1294,14 +1293,14 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data) triggerselect = (1 << LEDSEL1) | (triggerpin & 0x7); /* Default rising edge. */ - if (ctx->trigger.fallingmask) + if (devc->trigger.fallingmask) triggerselect |= 1 << 3; /* All other modes. */ - } else if (ctx->cur_samplerate <= SR_MHZ(50)) { - build_basic_trigger(&lut, ctx); + } else if (devc->cur_samplerate <= SR_MHZ(50)) { + build_basic_trigger(&lut, devc); - sigma_write_trigger_lut(&lut, ctx); + sigma_write_trigger_lut(&lut, devc); triggerselect = (1 << LEDSEL1) | (1 << LEDSEL0); } @@ -1313,115 +1312,107 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data) sigma_write_register(WRITE_TRIGGER_OPTION, (uint8_t *) &triggerinout_conf, - sizeof(struct triggerinout), ctx); + sizeof(struct triggerinout), devc); /* Go back to normal mode. */ - sigma_set_register(WRITE_TRIGGER_SELECT1, triggerselect, ctx); + sigma_set_register(WRITE_TRIGGER_SELECT1, triggerselect, devc); /* Set clock select register. */ - if (ctx->cur_samplerate == SR_MHZ(200)) - /* Enable 4 probes. */ - sigma_set_register(WRITE_CLOCK_SELECT, 0xf0, ctx); - else if (ctx->cur_samplerate == SR_MHZ(100)) - /* Enable 8 probes. */ - sigma_set_register(WRITE_CLOCK_SELECT, 0x00, ctx); + if (devc->cur_samplerate == SR_MHZ(200)) + /* Enable 4 channels. */ + sigma_set_register(WRITE_CLOCK_SELECT, 0xf0, devc); + else if (devc->cur_samplerate == SR_MHZ(100)) + /* Enable 8 channels. */ + sigma_set_register(WRITE_CLOCK_SELECT, 0x00, devc); else { /* * 50 MHz mode (or fraction thereof). Any fraction down to * 50 MHz / 256 can be used, but is not supported by sigrok API. */ - frac = SR_MHZ(50) / ctx->cur_samplerate - 1; + frac = SR_MHZ(50) / devc->cur_samplerate - 1; clockselect.async = 0; clockselect.fraction = frac; - clockselect.disabled_probes = 0; + clockselect.disabled_channels = 0; sigma_write_register(WRITE_CLOCK_SELECT, (uint8_t *) &clockselect, - sizeof(clockselect), ctx); + sizeof(clockselect), devc); } /* Setup maximum post trigger time. */ sigma_set_register(WRITE_POST_TRIGGER, - (ctx->capture_ratio * 255) / 100, ctx); + (devc->capture_ratio * 255) / 100, devc); /* Start acqusition. */ - gettimeofday(&ctx->start_tv, 0); - sigma_set_register(WRITE_MODE, 0x0d, ctx); + gettimeofday(&devc->start_tv, 0); + sigma_set_register(WRITE_MODE, 0x0d, devc); - ctx->session_dev_id = cb_data; + devc->cb_data = cb_data; /* Send header packet to the session bus. */ - packet.type = SR_DF_HEADER; - packet.payload = &header; - header.feed_version = 1; - gettimeofday(&header.starttime, NULL); - header.samplerate = ctx->cur_samplerate; - header.num_logic_probes = ctx->num_probes; - sr_session_send(ctx->session_dev_id, &packet); + std_session_send_df_header(cb_data, LOG_PREFIX); /* Add capture source. */ - sr_source_add(0, G_IO_IN, 10, receive_data, sdi); + sr_source_add(0, G_IO_IN, 10, receive_data, (void *)sdi); - ctx->state.state = SIGMA_CAPTURE; + devc->state.state = SIGMA_CAPTURE; return SR_OK; } -static int hw_dev_acquisition_stop(int dev_index, void *cb_data) +static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) { - struct sr_dev_inst *sdi; - struct context *ctx; + struct dev_context *devc; uint8_t modestatus; - /* Avoid compiler warnings. */ (void)cb_data; - if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { - sr_err("sigma: %s: sdi was NULL", __func__); - return SR_ERR_BUG; - } + sr_source_remove(0); - if (!(ctx = sdi->priv)) { - sr_err("sigma: %s: sdi->priv was NULL", __func__); + if (!(devc = sdi->priv)) { + sr_err("%s: sdi->priv was NULL", __func__); return SR_ERR_BUG; } /* Stop acquisition. */ - sigma_set_register(WRITE_MODE, 0x11, ctx); + sigma_set_register(WRITE_MODE, 0x11, devc); /* Set SDRAM Read Enable. */ - sigma_set_register(WRITE_MODE, 0x02, ctx); + sigma_set_register(WRITE_MODE, 0x02, devc); /* Get the current position. */ - sigma_read_pos(&ctx->state.stoppos, &ctx->state.triggerpos, ctx); + sigma_read_pos(&devc->state.stoppos, &devc->state.triggerpos, devc); /* Check if trigger has fired. */ - modestatus = sigma_get_register(READ_MODE, ctx); + modestatus = sigma_get_register(READ_MODE, devc); if (modestatus & 0x20) - ctx->state.triggerchunk = ctx->state.triggerpos / 512; + devc->state.triggerchunk = devc->state.triggerpos / 512; else - ctx->state.triggerchunk = -1; + devc->state.triggerchunk = -1; - ctx->state.chunks_downloaded = 0; + devc->state.chunks_downloaded = 0; - ctx->state.state = SIGMA_DOWNLOAD; + devc->state.state = SIGMA_DOWNLOAD; return SR_OK; } SR_PRIV struct sr_dev_driver asix_sigma_driver_info = { .name = "asix-sigma", - .longname = "ASIX SIGMA", + .longname = "ASIX SIGMA/SIGMA2", .api_version = 1, - .init = hw_init, - .cleanup = hw_cleanup, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .dev_info_get = hw_dev_info_get, - .dev_status_get = hw_dev_status_get, - .hwcap_get_all = hw_hwcap_get_all, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, + .init = init, + .cleanup = cleanup, + .scan = scan, + .dev_list = dev_list, + .dev_clear = dev_clear, + .config_get = config_get, + .config_set = config_set, + .config_list = config_list, + .dev_open = dev_open, + .dev_close = dev_close, + .dev_acquisition_start = dev_acquisition_start, + .dev_acquisition_stop = dev_acquisition_stop, + .priv = NULL, };