test program to program CPLD from microcontroller

firmware/common/Makefile_inc.mk

@@ -129,6 +129,8 @@ clean:
 	$(Q)rm -f ../common/*.o
 	$(Q)rm -f ../common/*.d
 	$(Q)rm -f ../common/*.lst
+	$(Q)rm -f ../common/xapp058/*.o
+	$(Q)rm -f ../common/xapp058/*.d
 
 .PHONY: images clean
 

firmware/common/cpld_jtag.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2013 Michael Ossmann <mike@ossmann.com>
+ *
+ * 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 "cpld_jtag.h"
+#include "hackrf_core.h"
+#include "xapp058/micro.h"
+#include <libopencm3/lpc43xx/gpio.h>
+#include <libopencm3/lpc43xx/scu.h>
+#include <stdint.h>
+
+uint32_t xsvf_len;
+unsigned char* xsvf_data;
+
+void cpld_jtag_setup(void) {
+	scu_pinmux(SCU_PINMUX_CPLD_TDO, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION4);
+	scu_pinmux(SCU_PINMUX_CPLD_TCK, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_CPLD_TMS, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_CPLD_TDI, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
+	
+	/* TDO is an input */
+	GPIO_DIR(PORT_CPLD_TDO) &= ~PIN_CPLD_TDO;
+
+	/* the rest are outputs */
+	GPIO_DIR(PORT_CPLD_TCK) |= PIN_CPLD_TCK;
+	GPIO_DIR(PORT_CPLD_TMS) |= PIN_CPLD_TMS;
+	GPIO_DIR(PORT_CPLD_TDI) |= PIN_CPLD_TDI;
+}
+
+/* set pins as inputs so we don't interfere with an external JTAG device */
+void cpld_jtag_release(void) {
+	scu_pinmux(SCU_PINMUX_CPLD_TDO, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION4);
+	scu_pinmux(SCU_PINMUX_CPLD_TCK, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_CPLD_TMS, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_CPLD_TDI, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
+	
+	GPIO_DIR(PORT_CPLD_TDO) &= ~PIN_CPLD_TDO;
+	GPIO_DIR(PORT_CPLD_TCK) &= ~PIN_CPLD_TCK;
+	GPIO_DIR(PORT_CPLD_TMS) &= ~PIN_CPLD_TMS;
+	GPIO_DIR(PORT_CPLD_TDI) &= ~PIN_CPLD_TDI;
+}
+
+void cpld_jtag_program(const uint32_t len, unsigned char* const data) {
+	cpld_jtag_setup();
+	xsvf_data = data;
+	xsvf_len = len;
+	xsvfExecute();
+	cpld_jtag_release();
+}
+
+/* this gets called by the XAPP058 code */
+unsigned char cpld_jtag_get_next_byte(void) {
+	unsigned char byte = *xsvf_data;
+
+	if (xsvf_len > 1) {
+		xsvf_data++;
+		xsvf_len--;
+	}
+
+	return byte;
+}

firmware/common/cpld_jtag.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2013 Michael Ossmann <mike@ossmann.com>
+ *
+ * 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.
+ */
+
+#ifndef __CPLD_JTAG_H__
+#define __CPLD_JTAG_H__
+
+#include <stdint.h>
+
+void cpld_jtag_release(void);
+void cpld_jtag_program(const uint32_t len, unsigned char* const data);
+unsigned char cpld_jtag_get_next_byte(void);
+
+#endif//__CPLD_JTAG_H__

firmware/common/xapp058/micro.c

@@ -1554,6 +1554,7 @@ int xsvfDoXCOMMENT( SXsvfInfo* pXsvfInfo )
     /* Otherwise, read through the comment to the end '\0' and ignore */
     unsigned char   ucText;
 
+#ifdef DEBUG_MODE
     if ( xsvf_iDebugLevel > 0 )
     {
         putchar( ' ' );
@@ -1567,6 +1568,7 @@ int xsvfDoXCOMMENT( SXsvfInfo* pXsvfInfo )
             putchar( ucText ? ucText : '\n' );
         }
     } while ( ucText );
+#endif
 
     pXsvfInfo->iErrorCode   = XSVF_ERROR_NONE;
 

firmware/common/xapp058/ports.c

@@ -14,8 +14,10 @@
 
 //#include "stdio.h"
 #include "hackrf_core.h"
+#include "cpld_jtag.h"
+#include <libopencm3/lpc43xx/gpio.h>
 
-extern FILE *in;
+//extern FILE *in;
 //static int  g_iTCK = 0; /* For xapp058_example .exe */
 //static int  g_iTMS = 0; /* For xapp058_example .exe */
 //static int  g_iTDI = 0; /* For xapp058_example .exe */
@@ -107,21 +109,22 @@ void setPort(short p,short val)
         printf( "TCK = %d;  TMS = %d;  TDI = %d\n", g_iTCK, g_iTMS, g_iTDI );
     }
 */
-	if (p==TMS)
+	if (p==TMS) {
 		if (val)
 			gpio_set(PORT_CPLD_TMS, PIN_CPLD_TMS);
 		else
 			gpio_clear(PORT_CPLD_TMS, PIN_CPLD_TMS);
-	if (p==TDI)
+	} if (p==TDI) {
 		if (val)
 			gpio_set(PORT_CPLD_TDI, PIN_CPLD_TDI);
 		else
 			gpio_clear(PORT_CPLD_TDI, PIN_CPLD_TDI);
-	if (p==TCK)
+	} if (p==TCK) {
 		if (val)
 			gpio_set(PORT_CPLD_TCK, PIN_CPLD_TCK);
 		else
 			gpio_clear(PORT_CPLD_TCK, PIN_CPLD_TCK);
+	}
 
 	/* conservative delay */
 	delay(20000);
@@ -143,8 +146,9 @@ void pulseClock()
 void readByte(unsigned char *data)
 {
     /* pretend reading using a file */
-    *data   = (unsigned char)fgetc( in );
+    //*data   = (unsigned char)fgetc( in );
     /**data=*xsvf_data++;*/
+	*data = cpld_jtag_get_next_byte();
 }
 
 /* readTDOBit:  Implement to return the current value of the JTAG TDO signal.*/

firmware/cpldjtagprog/Makefile

@@ -0,0 +1,35 @@
+# Hey Emacs, this is a -*- makefile -*-
+#
+# Copyright 2012 Michael Ossmann <mike@ossmann.com>
+# Copyright 2012 Jared Boone <jared@sharebrained.com>
+#
+# 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.
+#
+
+BINARY = cpldjtagprog
+
+SRC = $(BINARY).c \
+	../common/hackrf_core.c \
+	../common/si5351c.c \
+	../common/max2837.c \
+	../common/cpld_jtag.c \
+	../common/xapp058/lenval.c \
+	../common/xapp058/micro.c \
+	../common/xapp058/ports.c
+
+include ../common/Makefile_inc.mk

firmware/cpldjtagprog/README

@@ -0,0 +1 @@
+This is a test program for CPLD JTAG programming.

firmware/cpldjtagprog/cpldjtagprog.c

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010 - 2013 Michael Ossmann
+ *
+ * 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 "hackrf_core.h"
+#include "cpld_jtag.h"
+#include "sgpio_if_xsvf.h"
+
+int main(void)
+{
+	int i;
+
+	pin_setup();
+
+	/* Set 1V8 */
+	gpio_set(PORT_EN1V8, PIN_EN1V8);
+
+	/* program test bitstream to CPLD */
+	cpld_jtag_program(sgpio_if_xsvf_len, &sgpio_if_xsvf[0]);
+
+	/* blink LED1 and LED3 */
+	while (1) 
+	{
+		gpio_set(PORT_LED1_3, (PIN_LED1|PIN_LED3)); /* LEDs on */
+		for (i = 0; i < 2000000; i++)	/* Wait a bit. */
+			__asm__("nop");
+		gpio_clear(PORT_LED1_3, (PIN_LED1|PIN_LED3)); /* LED off */
+		for (i = 0; i < 2000000; i++)	/* Wait a bit. */
+			__asm__("nop");
+	}
+
+	return 0;
+}