X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhantek-4032l%2Fprotocol.c;fp=src%2Fhardware%2Fhantek-4032l%2Fprotocol.c;h=77afae0e2ec5d6eea5cd456197bd105f15eb0f40;hb=c7b5c3588ef47fe3cda82284bac80d3070ccffa0;hp=1021d8fd8de150f65161345b4b6d60352864d0c5;hpb=7b9387b8f0e9ea0055b168418df2fadfce8da3da;p=libsigrok.git diff --git a/src/hardware/hantek-4032l/protocol.c b/src/hardware/hantek-4032l/protocol.c index 1021d8fd..77afae0e 100644 --- a/src/hardware/hantek-4032l/protocol.c +++ b/src/hardware/hantek-4032l/protocol.c @@ -72,7 +72,7 @@ static void free_transfer(struct libusb_transfer *transfer) unsigned int i; if ((transfer->buffer != (unsigned char *)&devc->cmd_pkt) && - (transfer->buffer != devc->buffer)) { + (transfer->buffer != devc->buf)) { g_free(transfer->buffer); } @@ -164,7 +164,7 @@ void LIBUSB_CALL h4032l_data_transfer_callback(struct libusb_transfer *transfer) struct sr_dev_inst *const sdi = transfer->user_data; struct dev_context *const devc = sdi->priv; uint32_t max_samples = transfer->actual_length / sizeof(uint32_t); - uint32_t *buffer; + uint32_t *buf; uint32_t num_samples; /* @@ -185,17 +185,17 @@ void LIBUSB_CALL h4032l_data_transfer_callback(struct libusb_transfer *transfer) return; } - buffer = (uint32_t *)transfer->buffer; + buf = (uint32_t *)transfer->buffer; num_samples = MIN(devc->remaining_samples, max_samples); devc->remaining_samples -= num_samples; - send_data(sdi, buffer, num_samples); + send_data(sdi, buf, num_samples); sr_dbg("Remaining: %d %08X %08X.", devc->remaining_samples, - buffer[0], buffer[1]); + buf[0], buf[1]); /* Close data receiving. */ if (devc->remaining_samples == 0) { - if (buffer[num_samples] != H4032L_END_PACKET_MAGIC) + if (buf[num_samples] != H4032L_END_PACKET_MAGIC) sr_err("Mismatch magic number of end poll."); abort_acquisition(devc); @@ -216,7 +216,7 @@ void LIBUSB_CALL h4032l_usb_callback(struct libusb_transfer *transfer) struct sr_usb_dev_inst *usb = sdi->conn; gboolean cmd = FALSE; uint32_t max_samples = transfer->actual_length / sizeof(uint32_t); - uint32_t *buffer; + uint32_t *buf; struct h4032l_status_packet *status; uint32_t num_samples; int ret; @@ -233,7 +233,7 @@ void LIBUSB_CALL h4032l_usb_callback(struct libusb_transfer *transfer) if (transfer->status != LIBUSB_TRANSFER_COMPLETED) sr_dbg("%s error: %d.", __func__, transfer->status); - buffer = (uint32_t *)transfer->buffer; + buf = (uint32_t *)transfer->buffer; switch (devc->status) { case H4032L_STATUS_IDLE: @@ -279,20 +279,20 @@ void LIBUSB_CALL h4032l_usb_callback(struct libusb_transfer *transfer) break; case H4032L_STATUS_FIRST_TRANSFER: /* Drop packets until H4032L_START_PACKET_MAGIC. */ - if (buffer[0] != H4032L_START_PACKET_MAGIC) { + if (buf[0] != H4032L_START_PACKET_MAGIC) { sr_dbg("Mismatch magic number of start poll."); break; } devc->status = H4032L_STATUS_TRANSFER; max_samples--; - buffer++; + buf++; /* Fallthrough. */ case H4032L_STATUS_TRANSFER: num_samples = MIN(devc->remaining_samples, max_samples); devc->remaining_samples -= num_samples; - send_data(sdi, buffer, num_samples); + send_data(sdi, buf, num_samples); sr_dbg("Remaining: %d %08X %08X.", devc->remaining_samples, - buffer[0], buffer[1]); + buf[0], buf[1]); break; } @@ -317,7 +317,7 @@ void LIBUSB_CALL h4032l_usb_callback(struct libusb_transfer *transfer) sr_dbg("Poll: %d.", devc->status); libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN, - devc->buffer, ARRAY_SIZE(devc->buffer), + devc->buf, ARRAY_SIZE(devc->buf), h4032l_usb_callback, (void *)sdi, H4032L_USB_TIMEOUT); } @@ -363,7 +363,7 @@ SR_PRIV int h4032l_start_data_transfers(const struct sr_dev_inst *sdi) struct dev_context *devc = sdi->priv; struct sr_usb_dev_inst *usb = sdi->conn; struct libusb_transfer *transfer; - uint8_t *buffer; + uint8_t *buf; unsigned int num_transfers; unsigned int i; int ret; @@ -384,12 +384,12 @@ SR_PRIV int h4032l_start_data_transfers(const struct sr_dev_inst *sdi) devc->num_transfers = num_transfers; for (i = 0; i < num_transfers; i++) { - buffer = g_malloc(H4032L_DATA_BUFFER_SIZE); + buf = g_malloc(H4032L_DATA_BUFFER_SIZE); transfer = libusb_alloc_transfer(0); libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN, - buffer, H4032L_DATA_BUFFER_SIZE, + buf, H4032L_DATA_BUFFER_SIZE, h4032l_data_transfer_callback, (void *)sdi, H4032L_USB_TIMEOUT); @@ -398,7 +398,7 @@ SR_PRIV int h4032l_start_data_transfers(const struct sr_dev_inst *sdi) sr_err("Failed to submit transfer: %s.", libusb_error_name(ret)); libusb_free_transfer(transfer); - g_free(buffer); + g_free(buf); abort_acquisition(devc); return SR_ERR; } @@ -414,13 +414,13 @@ SR_PRIV int h4032l_start(const struct sr_dev_inst *sdi) struct dev_context *devc = sdi->priv; struct sr_usb_dev_inst *usb = sdi->conn; struct libusb_transfer *transfer; - unsigned char buffer[] = {0x0f, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + unsigned char buf[] = {0x0f, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; int ret; /* Send reset command to arm the logic analyzer. */ if ((ret = libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT, CMD_RESET, - 0x00, 0x00, buffer, ARRAY_SIZE(buffer), H4032L_USB_TIMEOUT)) < 0) { + 0x00, 0x00, buf, ARRAY_SIZE(buf), H4032L_USB_TIMEOUT)) < 0) { sr_err("Failed to send vendor request %s.", libusb_error_name(ret)); return SR_ERR; @@ -544,13 +544,13 @@ SR_PRIV int h4032l_get_fpga_version(const struct sr_dev_inst *sdi) /* Attempt to get FGPA version. */ for (i = 0; i < 10; i++) { if ((ret = libusb_bulk_transfer(usb->devhdl, - 6 | LIBUSB_ENDPOINT_IN, devc->buffer, - ARRAY_SIZE(devc->buffer), &transferred, H4032L_USB_TIMEOUT)) < 0) { + 6 | LIBUSB_ENDPOINT_IN, devc->buf, + ARRAY_SIZE(devc->buf), &transferred, H4032L_USB_TIMEOUT)) < 0) { sr_err("Unable to receive FPGA version: %s.", libusb_error_name(ret)); return SR_ERR; } - status = (struct h4032l_status_packet *)devc->buffer; + status = (struct h4032l_status_packet *)devc->buf; if (status->magic == H4032L_STATUS_PACKET_MAGIC) { sr_dbg("FPGA version: 0x%x.", status->fpga_version); devc->fpga_version = status->fpga_version;