108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/*
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* Copyright 2012 Jared Boone
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* Copyright 2013 Benjamin Vernoux
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*
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* This file is part of HackRF.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "usb_api_cpld.h"
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#include <hackrf_core.h>
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#include <cpld_jtag.h>
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#include <cpld_xc2c.h>
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#include <usb_queue.h>
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#include "usb_endpoint.h"
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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volatile bool start_cpld_update = false;
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uint8_t cpld_xsvf_buffer[512];
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volatile bool cpld_wait = false;
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static void cpld_buffer_refilled(void* user_data, unsigned int length)
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{
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(void)user_data;
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(void)length;
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cpld_wait = false;
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}
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static void refill_cpld_buffer(void)
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{
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cpld_wait = true;
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usb_transfer_schedule(
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&usb_endpoint_bulk_out,
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cpld_xsvf_buffer,
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sizeof(cpld_xsvf_buffer),
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cpld_buffer_refilled,
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NULL
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);
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// Wait until transfer finishes
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while (cpld_wait);
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}
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void cpld_update(void)
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{
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int error;
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usb_queue_flush_endpoint(&usb_endpoint_bulk_in);
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usb_queue_flush_endpoint(&usb_endpoint_bulk_out);
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refill_cpld_buffer();
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error = cpld_jtag_program(&jtag_cpld, sizeof(cpld_xsvf_buffer),
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cpld_xsvf_buffer,
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refill_cpld_buffer);
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if(error == 0)
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{
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halt_and_flash(6000000);
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}else
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{
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/* LED3 (Red) steady on error */
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led_on(LED3);
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while (1);
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}
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}
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usb_request_status_t usb_vendor_request_cpld_checksum(
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usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
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{
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static uint32_t cpld_crc;
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uint8_t length;
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if (stage == USB_TRANSFER_STAGE_SETUP)
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{
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cpld_jtag_take(&jtag_cpld);
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const bool checksum_success = cpld_xc2c64a_jtag_checksum(&jtag_cpld, &cpld_hackrf_verify, &cpld_crc);
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cpld_jtag_release(&jtag_cpld);
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if(!checksum_success) {
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return USB_REQUEST_STATUS_STALL;
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}
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length = (uint8_t)sizeof(cpld_crc);
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usb_transfer_schedule_block(endpoint->in, &cpld_crc, length,
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NULL, NULL);
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usb_transfer_schedule_ack(endpoint->out);
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}
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return USB_REQUEST_STATUS_OK;
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}
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