Initial commit of files

SoftwareDefined/HackRF/hackrf-2015.07.2/firmware/sgpio/sgpio_test.c

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2012 Michael Ossmann
+ * Copyright (C) 2012 Jared Boone
+ *
+ * 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 <libopencm3/lpc43xx/gpio.h>
+#include <libopencm3/lpc43xx/scu.h>
+#include <libopencm3/lpc43xx/sgpio.h>
+#include <libopencm3/lpc43xx/cgu.h>
+#include <libopencm3/cm3/scs.h>
+
+#include <hackrf_core.h>
+#include <max5864.h>
+#include <sgpio.h>
+
+volatile uint32_t buffer[4096];
+
+void tx_test() {
+	sgpio_set_slice_mode(false);
+	sgpio_configure(TRANSCEIVER_MODE_TX);
+
+	// LSB goes out first, samples are 0x<Q1><I1><Q0><I0>
+	buffer[0] = 0xda808080;
+	buffer[1] = 0xda80ff80;
+	buffer[2] = 0x26808080;
+	buffer[3] = 0x26800180;
+
+	uint32_t i = 0;
+
+	sgpio_cpld_stream_enable();
+
+	while(true) {
+		while(SGPIO_STATUS_1 == 0);
+		SGPIO_REG_SS(SGPIO_SLICE_A) = buffer[(i++) & 3];
+		SGPIO_CLR_STATUS_1 = 1;
+	}
+}
+
+void rx_test() {
+	sgpio_set_slice_mode(false);
+	sgpio_configure(TRANSCEIVER_MODE_RX);
+    
+    uint32_t i = 0;
+
+	sgpio_cpld_stream_enable();
+
+    while(true) {
+        while(SGPIO_STATUS_1 == 0);
+        SGPIO_CLR_STATUS_1 = 1;
+        buffer[i++ & 4095] = SGPIO_REG_SS(SGPIO_SLICE_A);
+    }
+}
+
+int main(void) {
+	pin_setup();
+	enable_1v8_power();
+	cpu_clock_init();
+	ssp1_init();
+
+	gpio_set(PORT_LED1_3, PIN_LED1);
+
+	ssp1_set_mode_max5864();
+	max5864_xcvr();
+
+	while (1) {
+
+	}
+
+	return 0;
+}