Updated HackRF firmware

SoftwareDefined/HackRF/hackrf-2021.03.1/firmware/common/max5864_target.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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 "max5864_target.h"
+
+#include <libopencm3/lpc43xx/scu.h>
+#include "hackrf_core.h"
+
+void max5864_target_init(max5864_driver_t* const drv) {
+	(void)drv;
+	
+	/* Configure SSP1 Peripheral (to be moved later in SSP driver) */
+	scu_pinmux(SCU_SSP1_CIPO, (SCU_SSP_IO | SCU_CONF_FUNCTION5));
+	scu_pinmux(SCU_SSP1_COPI, (SCU_SSP_IO | SCU_CONF_FUNCTION5));
+	scu_pinmux(SCU_SSP1_SCK,  (SCU_SSP_IO | SCU_CONF_FUNCTION1));
+
+	/*
+	 * Configure CS_AD pin to keep the MAX5864 SPI disabled while we use the
+	 * SPI bus for the MAX2837. FIXME: this should probably be somewhere else.
+	 */
+	scu_pinmux(SCU_AD_CS, SCU_GPIO_FAST);
+}