X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsaleae-logic%2Fsaleae-logic.c;h=be4892a796cdc0f714235ed0c2914fdf61534f5a;hb=f3163a6c2ee7a1d7ec6865f11cfcf52b07dc31f5;hp=07491fa085427889112e05bcb12b5e22a9773959;hpb=2458ea651409c8252d33dba5b5cfe9313f3e4899;p=libsigrok.git diff --git a/hardware/saleae-logic/saleae-logic.c b/hardware/saleae-logic/saleae-logic.c index 07491fa0..be4892a7 100644 --- a/hardware/saleae-logic/saleae-logic.c +++ b/hardware/saleae-logic/saleae-logic.c @@ -24,28 +24,29 @@ #include #include #include +#include #include "config.h" -#define USB_VENDOR 0x0925 +#define USB_VENDOR 0x0925 #define USB_PRODUCT 0x3881 -#define USB_VENDOR_NAME "Saleae" -#define USB_MODEL_NAME "Logic" -#define USB_MODEL_VERSION "" +#define USB_VENDOR_NAME "Saleae" +#define USB_MODEL_NAME "Logic" +#define USB_MODEL_VERSION "" -#define USB_INTERFACE 0 -#define USB_CONFIGURATION 1 -#define NUM_PROBES 8 -#define NUM_TRIGGER_STAGES 4 -#define TRIGGER_TYPES "01" -#define FIRMWARE FIRMWARE_DIR "/saleae-logic.fw" +#define USB_INTERFACE 0 +#define USB_CONFIGURATION 1 +#define NUM_PROBES 8 +#define NUM_TRIGGER_STAGES 4 +#define TRIGGER_TYPES "01" +#define FIRMWARE FIRMWARE_DIR "/saleae-logic.fw" /* delay in ms */ -#define FIRMWARE_RENUM_DELAY 2000 -#define NUM_SIMUL_TRANSFERS 10 -#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2) +#define FIRMWARE_RENUM_DELAY 2000 +#define NUM_SIMUL_TRANSFERS 10 +#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2) /* Software trigger implementation: positive values indicate trigger stage. */ -#define TRIGGER_FIRED -1 +#define TRIGGER_FIRED -1 /* There is only one model Saleae Logic, and this is what it supports: */ static int capabilities[] = { @@ -54,6 +55,7 @@ static int capabilities[] = { /* These are really implemented in the driver, not the hardware. */ HWCAP_LIMIT_SAMPLES, + HWCAP_CONTINUOUS, 0, }; @@ -231,7 +233,7 @@ static void close_device(struct sigrok_device_instance *sdi) if (sdi->usb->devhdl == NULL) return; - g_message("closing device %d on %d.%d interface %d", sdi->index, + g_message("saleae: closing device %d on %d.%d interface %d", sdi->index, sdi->usb->bus, sdi->usb->address, USB_INTERFACE); libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE); libusb_close(sdi->usb->devhdl); @@ -296,14 +298,13 @@ static int hw_init(char *deviceinfo) libusb_device **devlist; int err, devcnt, i; - /* QUICK HACK */ + /* Avoid compiler warnings. */ deviceinfo = deviceinfo; if (libusb_init(&usb_context) != 0) { g_warning("Failed to initialize USB."); return 0; } - libusb_set_debug(usb_context, 3); /* Find all Saleae Logic devices and upload firmware to all of them. */ devcnt = 0; @@ -365,7 +366,7 @@ static int hw_opendev(int device_index) timediff = cur - upd; if (timediff < FIRMWARE_RENUM_DELAY) { timediff = FIRMWARE_RENUM_DELAY - timediff; - g_message("waiting %d ms for device to reset", + g_message("saleae: waiting %d ms for device to reset", timediff); g_usleep(timediff * 1000); firmware_updated.tv_sec = 0; @@ -481,7 +482,7 @@ static int set_configuration_samplerate(struct sigrok_device_instance *sdi, divider = (uint8_t) (48 / (samplerate / 1000000.0)) - 1; - g_message("setting samplerate to %" PRIu64 " Hz (divider %d)", + g_message("saleae: setting samplerate to %" PRIu64 " Hz (divider %d)", samplerate, divider); buf[0] = 0x01; buf[1] = divider; @@ -525,7 +526,7 @@ static int receive_data(int fd, int revents, void *user_data) { struct timeval tv; - /* QUICK HACK */ + /* Avoid compiler warnings. */ fd = fd; revents = revents; user_data = user_data; @@ -536,59 +537,6 @@ static int receive_data(int fd, int revents, void *user_data) return TRUE; } -static void trigger_helper(int i, unsigned char *cur_buf, - struct datafeed_packet *packet, void *user_data, - int *trigger_offset) -{ - if ((cur_buf[i] & trigger_mask[trigger_stage]) - == trigger_value[trigger_stage]) { - /* Match on this trigger stage. */ - trigger_buffer[trigger_stage] = cur_buf[i]; - trigger_stage++; - if (trigger_stage == NUM_TRIGGER_STAGES - || trigger_mask[trigger_stage] == 0) { - /* Match on all trigger stages, we're done. */ - *trigger_offset = i + 1; - - /* - * TODO: Send pre-trigger buffer to session bus. - * Tell the frontend we hit the trigger here. - */ - packet->type = DF_TRIGGER; - packet->length = 0; - session_bus(user_data, packet); - - /* - * Send the samples that triggered it, since we're - * skipping past them. - */ - packet->type = DF_LOGIC8; - packet->length = trigger_stage; - packet->payload = trigger_buffer; - session_bus(user_data, packet); - // break; // FIXME??? - - trigger_stage = TRIGGER_FIRED; - } - return; - } - - /* - * We had a match before, but not in the next sample. However, we may - * have a match on this stage in the next bit -- trigger on 0001 will - * fail on seeing 00001, so we need to go back to stage 0 -- but at - * the next sample from the one that matched originally, which the - * counter increment at the end of the loop takes care of. - */ - if (trigger_stage > 0) { - i -= trigger_stage; - if (i < -1) - i = -1; /* Oops, went back past this buffer. */ - /* Reset trigger stage. */ - trigger_stage = 0; - } -} - void receive_transfer(struct libusb_transfer *transfer) { static int num_samples = 0; @@ -612,7 +560,7 @@ void receive_transfer(struct libusb_transfer *transfer) return; } - g_message("receive_transfer(): status %d received %d bytes", + g_message("saleae: receive_transfer(): status %d received %d bytes", transfer->status, transfer->actual_length); /* Save incoming transfer before reusing the transfer struct. */ @@ -646,21 +594,69 @@ void receive_transfer(struct libusb_transfer *transfer) trigger_offset = 0; if (trigger_stage >= 0) { for (i = 0; i < cur_buflen; i++) { - trigger_helper(i, cur_buf, &packet, user_data, - &trigger_offset); + + if ((cur_buf[i] & trigger_mask[trigger_stage]) == trigger_value[trigger_stage]) { + /* Match on this trigger stage. */ + trigger_buffer[trigger_stage] = cur_buf[i]; + trigger_stage++; + if (trigger_stage == NUM_TRIGGER_STAGES || trigger_mask[trigger_stage] == 0) { + /* Match on all trigger stages, we're done. */ + trigger_offset = i + 1; + + /* + * TODO: Send pre-trigger buffer to session bus. + * Tell the frontend we hit the trigger here. + */ + packet.type = DF_TRIGGER; + packet.length = 0; + session_bus(user_data, &packet); + + /* + * Send the samples that triggered it, since we're + * skipping past them. + */ + packet.type = DF_LOGIC; + packet.length = trigger_stage; + packet.unitsize = 1; + packet.payload = trigger_buffer; + session_bus(user_data, &packet); + + trigger_stage = TRIGGER_FIRED; + break; + } + return; + } + + /* + * We had a match before, but not in the next sample. However, we may + * have a match on this stage in the next bit -- trigger on 0001 will + * fail on seeing 00001, so we need to go back to stage 0 -- but at + * the next sample from the one that matched originally, which the + * counter increment at the end of the loop takes care of. + */ + if (trigger_stage > 0) { + i -= trigger_stage; + if (i < -1) + i = -1; /* Oops, went back past this buffer. */ + /* Reset trigger stage. */ + trigger_stage = 0; + } + + } } if (trigger_stage == TRIGGER_FIRED) { /* Send the incoming transfer to the session bus. */ - packet.type = DF_LOGIC8; + packet.type = DF_LOGIC; packet.length = cur_buflen - trigger_offset; + packet.unitsize = 1; packet.payload = cur_buf + trigger_offset; session_bus(user_data, &packet); g_free(cur_buf); num_samples += cur_buflen; - if ((unsigned int)num_samples > limit_samples) { + if (limit_samples && (unsigned int) num_samples > limit_samples) { hw_stop_acquisition(-1, user_data); } } else { @@ -719,7 +715,8 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) gettimeofday(&header->starttime, NULL); header->samplerate = cur_samplerate; header->protocol_id = PROTO_RAW; - header->num_probes = NUM_PROBES; + header->num_logic_probes = NUM_PROBES; + header->num_analog_probes = 0; session_bus(session_device_id, packet); g_free(header); g_free(packet); @@ -732,7 +729,7 @@ static void hw_stop_acquisition(int device_index, gpointer session_device_id) { struct datafeed_packet packet; - /* QUICK HACK */ + /* Avoid compiler warnings. */ device_index = device_index; packet.type = DF_END;