Adding sram_gpio_QT example

Examples/sram_gpio/QT_src/compile-mips

@@ -0,0 +1,5 @@
+#!/bin/sh
+QT_BASE_DIR="/home/cain/Embedded/ingenic/sakc/build/openwrt-xburst/build_dir/target-mipsel_uClibc-0.9.32/qt-everywhere-opensource-src-4.7.0-beta2"
+${QT_BASE_DIR}/bin/qmake -spec ${QT_BASE_DIR}/mkspecs/qws/linux-openwrt-g++ -o Makefile
+make
+

Examples/sram_gpio/QT_src/jz47xx_gpio.cpp

@@ -0,0 +1,108 @@
+/*
+  JZ47xx GPIO at userspace
+
+  Copyright (C) 2010      Andres Calderon andres.calderon@emqbit.com
+                                 
+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 of the License, 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; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <jz47xx_gpio.h>
+#include <jz47xx_mmap.h>
+
+
+#define JZ_GPIO_BASE 0x10010000
+
+void
+jz_gpio_as_output (JZ_PIO * pio, unsigned int o)
+{
+  pio->PXFUNC = (1 << (o));
+  pio->PXSELC = (1 << (o));
+  pio->PXDIRS = (1 << (o));
+}
+
+void
+jz_gpio_as_input (JZ_PIO * pio, unsigned int o)
+{
+  pio->PXFUNC = (1 << (o));
+  pio->PXSELC = (1 << (o));
+  pio->PXDIRC = (1 << (o));
+}
+
+void
+jz_gpio_set_pin (JZ_PIO * pio, unsigned int o)
+{
+  pio->PXDATS = (1 << (o));
+}
+
+void
+jz_gpio_clear_pin (JZ_PIO * pio, unsigned int o)
+{
+  pio->PXDATC = (1 << (o));
+}
+
+void
+jz_gpio_out (JZ_PIO * pio, unsigned int o, unsigned int val)
+{
+  if (val == 0)
+    pio->PXDATC = (1 << (o));
+  else
+    pio->PXDATS = (1 << (o));
+}
+
+unsigned int
+jz_gpio_get_pin (JZ_PIO * pio, unsigned int o)
+{
+  return (pio->PXPIN & (1 << o)) ? 1 : 0;
+}
+
+int
+jz_gpio_as_func (JZ_PIO * pio, unsigned int o, int func)
+{
+  switch (func)
+    {
+    case 0:
+      pio->PXFUNS = (1 << o);
+      pio->PXTRGC = (1 << o);
+      pio->PXSELC = (1 << o);
+      return 1;
+
+    case 1:
+      pio->PXFUNS = (1 << o);
+      pio->PXTRGC = (1 << o);
+      pio->PXSELS = (1 << o);
+      return 1;
+
+    case 2:
+      pio->PXFUNS = (1 << o);
+      pio->PXTRGS = (1 << o);
+      pio->PXSELC = (1 << o);
+      return 1;
+    }
+  return 0;
+}
+
+JZ_PIO *
+jz_gpio_map (int port)
+{
+  JZ_PIO *pio;
+
+  pio = (JZ_PIO *) jz_mmap (JZ_GPIO_BASE);
+  pio = (JZ_PIO *) ((unsigned int) pio + port * 0x100);
+
+  return pio;
+}

Examples/sram_gpio/QT_src/jz47xx_gpio.h

@@ -0,0 +1,84 @@
+/*
+  JZ47xx GPIO at userspace
+
+  Copyright (C) 2010      Andres Calderon andres.calderon@emqbit.com
+                                 
+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 of the License, 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; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef __jz47xx_gpio_h__
+#define __jz47xx_gpio_h__
+
+#define	JZ_GPIO_PORT_A 0
+#define	JZ_GPIO_PORT_B 1
+#define	JZ_GPIO_PORT_C 2
+#define	JZ_GPIO_PORT_D 3
+
+typedef volatile unsigned int JZ_REG;   /* Hardware register definition */
+
+typedef struct _JZ_PIO
+{
+  JZ_REG PXPIN;                 /* PIN Level Register */
+  JZ_REG Reserved0;
+  JZ_REG Reserved1;
+  JZ_REG Reserved2;
+  JZ_REG PXDAT;                 /* Port Data Register */
+  JZ_REG PXDATS;                /* Port Data Set Register */
+  JZ_REG PXDATC;                /* Port Data Clear Register */
+  JZ_REG Reserved3;
+  JZ_REG PXIM;                  /* Interrupt Mask Register */
+  JZ_REG PXIMS;                 /* Interrupt Mask Set Reg */
+  JZ_REG PXIMC;                 /* Interrupt Mask Clear Reg */
+  JZ_REG Reserved4;
+  JZ_REG PXPE;                  /* Pull Enable Register */
+  JZ_REG PXPES;                 /* Pull Enable Set Reg. */
+  JZ_REG PXPEC;                 /* Pull Enable Clear Reg. */
+  JZ_REG Reserved5;
+  JZ_REG PXFUN;                 /* Function Register */
+  JZ_REG PXFUNS;                /* Function Set Register */
+  JZ_REG PXFUNC;                /* Function Clear Register */
+  JZ_REG Reserved6;
+  JZ_REG PXSEL;                 /* Select Register */
+  JZ_REG PXSELS;                /* Select Set Register */
+  JZ_REG PXSELC;                /* Select Clear Register */
+  JZ_REG Reserved7;
+  JZ_REG PXDIR;                 /* Direction Register */
+  JZ_REG PXDIRS;                /* Direction Set Register */
+  JZ_REG PXDIRC;                /* Direction Clear Register */
+  JZ_REG Reserved8;
+  JZ_REG PXTRG;                 /* Trigger Register */
+  JZ_REG PXTRGS;                /* Trigger Set Register */
+  JZ_REG PXTRGC;                /* Trigger Set Register */
+  JZ_REG Reserved9;
+  JZ_REG PXFLG;                 /* Port Flag Register */
+  JZ_REG PXFLGC;                /* Port Flag clear Register */
+} JZ_PIO, *PJZ_PIO;
+
+void jz_gpio_as_output (JZ_PIO * pio, unsigned int o);
+
+void jz_gpio_as_input (JZ_PIO * pio, unsigned int o);
+
+void jz_gpio_set_pin (JZ_PIO * pio, unsigned int o);
+
+void jz_gpio_clear_pin (JZ_PIO * pio, unsigned int o);
+
+void jz_gpio_out (JZ_PIO * pio, unsigned int o, unsigned int val);
+
+unsigned int jz_gpio_get_pin (JZ_PIO * pio, unsigned int o);
+
+int jz_gpio_as_func (JZ_PIO * pio, unsigned int o, int func);
+
+JZ_PIO *jz_gpio_map (int port);
+
+#endif

Examples/sram_gpio/QT_src/jz47xx_mmap.cpp

@@ -0,0 +1,39 @@
+/*
+ * JZ47xx GPIO lines
+ *
+ * Written 2010 by Andres Calderon andres.calderon@emqbit.com
+ */
+
+#include <stdio.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include <jz47xx_mmap.h>
+
+
+unsigned int *
+jz_mmap (off_t address)
+{
+  int fd;
+
+  unsigned int *pio;
+
+  if ((fd = open ("/dev/mem", O_RDWR | O_SYNC)) == -1)
+    {
+      fprintf (stderr, "Cannot open /dev/mem.\n");
+      return 0;
+    }
+
+  pio = (unsigned int *) mmap (0, getpagesize (), PROT_READ | PROT_WRITE, MAP_SHARED, fd, address);
+
+  if (pio == (unsigned int *) -1)
+    {
+      fprintf (stderr, "Cannot mmap.\n");
+      return 0;
+    }
+
+  return pio;
+}

Examples/sram_gpio/QT_src/jz47xx_mmap.h

@@ -0,0 +1,14 @@
+/*
+ * JZ47xx GPIO lines
+ *
+ * Written 2010 by Andres Calderon andres.calderon@emqbit.com
+ */
+
+#ifndef __jz47xx_mmap_h__
+#define __jz47xx_mmap_h__
+
+#include <sys/mman.h>
+
+unsigned int * jz_mmap (off_t address);
+
+#endif

Examples/sram_gpio/QT_src/main.cpp

@@ -0,0 +1,10 @@
+#include <QtGui/QApplication>
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+    return a.exec();
+}

Examples/sram_gpio/QT_src/mainwindow.cpp

@@ -0,0 +1,86 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+    RAM=initFPGA_RAM();
+    LED=initGPIO_LED();
+    iter=0;
+
+    startTimer(1000);
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+JZ_PIO *
+MainWindow::initGPIO_LED()
+{
+    JZ_PIO *pio;
+
+    pio = jz_gpio_map (LED_PORT);
+    jz_gpio_as_output (pio, LED_PIN);
+    jz_gpio_clear_pin (pio, LED_PIN);
+
+    return pio;
+}
+
+JZ_REG *
+MainWindow::initFPGA_RAM()
+{
+    JZ_PIO *pio;
+    JZ_REG *virt_addr;
+
+    pio = jz_gpio_map (CS2_PORT);
+    jz_gpio_as_func (pio, CS2_PIN, 0);
+
+    virt_addr = (JZ_REG *) (jz_mmap(0x13010000) + 0x18);
+
+    if (*virt_addr != 0x0FFF7700)
+    {
+        *virt_addr = 0x0FFF7700;
+        printf ("ADC: Configuring CS2 8 bits and 0 WS: %08X\n", *virt_addr);
+    }
+    else
+        printf ("ADC: CS2, already configured: %08X\n", *virt_addr);
+
+    virt_addr = (JZ_REG *) jz_mmap (0x14000000);
+
+    return virt_addr;
+}
+
+
+void
+MainWindow::timerEvent(QTimerEvent*)
+{
+    QString plain_text;
+
+    jz_gpio_out (LED, LED_PIN, iter&0b1);
+
+    if(iter&0b1) plain_text = "[ON]"; else plain_text = "[OFF]";
+    ui->label_2->setText("LED is " + plain_text);
+    iter++;
+
+    /* Escribiendo en RAM */
+    plain_text="\t**Iteration: "+QString::number(iter)+"**\nW:";
+    for(int i = 0; i<14; i++)
+    {
+        RAM[i]= i & 0xFF;
+        plain_text+="["+QString::number(i&0xFF)+"]";
+    }
+
+    /* Leyendo de RAM */
+    int temp;
+    plain_text+="\nR:";
+    for(int i = 0; i<14; i++)
+    {
+        temp=RAM[i];
+        plain_text+="["+QString::number(temp)+"]";
+    }
+    ui->plainTextEdit->appendPlainText(plain_text);
+}

Examples/sram_gpio/QT_src/mainwindow.h

@@ -0,0 +1,39 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+
+
+#include <QMainWindow>
+#include "jz47xx_mmap.h"
+#include "jz47xx_gpio.h"
+
+#define CS2_PORT JZ_GPIO_PORT_B
+#define CS2_PIN 26
+#define LED_PORT JZ_GPIO_PORT_C
+#define LED_PIN 17
+
+
+
+
+namespace Ui {
+    class MainWindow;
+}
+
+class MainWindow : public QMainWindow {
+    Q_OBJECT
+public:
+    MainWindow(QWidget *parent = 0);
+    ~MainWindow();
+    JZ_PIO *initGPIO_LED();
+    JZ_REG *initFPGA_RAM();
+
+private:
+    Ui::MainWindow *ui;
+    JZ_PIO *LED;
+    JZ_REG *RAM;
+    int iter;
+protected:
+    void timerEvent(QTimerEvent*);
+};
+
+#endif // MAINWINDOW_H

Examples/sram_gpio/QT_src/mainwindow.ui

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>320</width>
+    <height>240</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <widget class="QPlainTextEdit" name="plainTextEdit">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>0</y>
+      <width>261</width>
+      <height>151</height>
+     </rect>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label">
+    <property name="geometry">
+     <rect>
+      <x>90</x>
+      <y>160</y>
+      <width>62</width>
+      <height>17</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>TextLabel</string>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label_2">
+    <property name="geometry">
+     <rect>
+      <x>210</x>
+      <y>160</y>
+      <width>62</width>
+      <height>17</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>TextLabel</string>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>320</width>
+     <height>23</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+  </widget>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>

Examples/sram_gpio/QT_src/sram_gpio_QT.pro

@@ -0,0 +1,13 @@
+# -------------------------------------------------
+# Project created by QtCreator 2010-09-24T09:17:13
+# -------------------------------------------------
+TARGET = sram_gpio_QT
+TEMPLATE = app
+SOURCES += main.cpp \
+    mainwindow.cpp \
+    jz47xx_mmap.cpp \
+    jz47xx_gpio.cpp
+HEADERS += mainwindow.h \
+    jz47xx_mmap.h \
+    jz47xx_gpio.h
+FORMS += mainwindow.ui

lm32/logic/sakc/system_tb.v

@@ -52,8 +52,8 @@ initial begin
 
 	$dumpfile("system_tb.vcd");
 	//$monitor("%b,%b,%b,%b",clk,rst,uart_txd,uart_rxd);
-	$dumpvars(-1, dut);
+//	$dumpvars(-1, dut);
-//	$dumpvars(-1,clk,rst,uart_txd,uart_rxd);
+	$dumpvars(-1,clk,rst,uart_txd,uart_rxd);
 	// reset
 	#0  rst <= 0;
 	#80 rst <= 1;