Updated HackRF firmware

SoftwareDefined/HackRF/hackrf-2021.03.1/firmware/hackrf_usb/usb_api_cpld.c

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2012 Jared Boone
+ * Copyright 2013 Benjamin Vernoux
+ *
+ * This file is part of HackRF.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "usb_api_cpld.h"
+
+#include <hackrf_core.h>
+#include <cpld_jtag.h>
+#include <cpld_xc2c.h>
+#include <usb_queue.h>
+
+#include "usb_endpoint.h"
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+uint8_t cpld_xsvf_buffer[512];
+volatile bool cpld_wait = false;
+
+static void cpld_buffer_refilled(void* user_data, unsigned int length)
+{
+	(void)user_data;
+	(void)length;
+	cpld_wait = false;
+}
+
+static void refill_cpld_buffer(void)
+{
+	cpld_wait = true;
+	usb_transfer_schedule(
+		&usb_endpoint_bulk_out,
+		cpld_xsvf_buffer,
+		sizeof(cpld_xsvf_buffer),
+		cpld_buffer_refilled,
+		NULL
+		);
+
+	// Wait until transfer finishes
+	while (cpld_wait);
+}
+
+void cpld_update(void)
+{
+	int error;
+
+	usb_queue_flush_endpoint(&usb_endpoint_bulk_in);
+	usb_queue_flush_endpoint(&usb_endpoint_bulk_out);
+
+	refill_cpld_buffer();
+
+	error = cpld_jtag_program(&jtag_cpld, sizeof(cpld_xsvf_buffer),
+				  cpld_xsvf_buffer,
+				  refill_cpld_buffer);
+	if(error == 0)
+	{
+		halt_and_flash(6000000);
+	}else
+	{
+		/* LED3 (Red) steady on error */
+		led_on(LED3);
+		while (1);
+	}
+}
+
+usb_request_status_t usb_vendor_request_cpld_checksum(
+	usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
+{
+	static uint32_t cpld_crc;
+	uint8_t length;
+
+	if (stage == USB_TRANSFER_STAGE_SETUP) 
+	{
+		cpld_jtag_take(&jtag_cpld);
+		const bool checksum_success = cpld_xc2c64a_jtag_checksum(&jtag_cpld, &cpld_hackrf_verify, &cpld_crc);
+		cpld_jtag_release(&jtag_cpld);
+
+		if(!checksum_success) {
+			return USB_REQUEST_STATUS_STALL;
+		}
+		
+		length = (uint8_t)sizeof(cpld_crc);
+		usb_transfer_schedule_block(endpoint->in, &cpld_crc, length,
+					    NULL, NULL);
+		usb_transfer_schedule_ack(endpoint->out);
+	}
+	return USB_REQUEST_STATUS_OK;
+}